Heatilator CD4842ILR-C Owner's Manual

Owner’s Manual
Installation and Operation
Models:
CD4236IR-C
CD4842IR-C
CD4236ILR-C
CD4842ILR-C
NOTICE
DO NOT DISCARD THIS MANUAL
• Important operating
and maintenance
instructions included.
• Read, understand and follow
these instructions for safe
installation and operation.
WARNING: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing property
damage, personal injury, or death.
• DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity of this
or any other appliance.
• What to do if you smell gas
- DO NOT try to light any appliance.
- DO NOT touch any electrical switch. DO
NOT use any phone in your building.
- Immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s instructions.
- If you cannot reach your gas supplier, call
the fire department.
• Installation and service must be performed
by a qualified installer, service agency, or the
gas supplier.
This appliance may be installed as an OEM installation in
manufactured home (USA only) or mobile home and must be
installed in accordance with the manufacturer’s instructions
and the manufactured home construction and safety standard,
Title 24 CFR, Part 3280 or Standard for Installation in Mobile
Homes, CAN/CSA Z240MH, in Canada.
This appliance is only for use with the type(s) of gas indicated
on the rating plate.
• Leave this manual with
party responsible for use
and operation.
D
DI O N
SC OT
AR
D
WARNING
HOT SURFACES!
Glass and other surfaces are hot during
operation AND cool down.
Hot glass will cause burns.
• DO NOT touch glass until it is cooled
• NEVER allow children to touch glass
• Keep children away
• CAREFULLY SUPERVISE children in same room as
fireplace.
• Alert children and adults to hazards of high temperatures.
High temperatures may ignite clothing or other flammable
materials.
• Keep clothing, furniture, draperies and other flammable
materials away.
This appliance has been supplied with an integral barrier
to prevent direct contact with the fixed glass panel. DO
NOT operate the appliance with the barrier removed.
Contact your dealer or Hearth & Home Technologies if the
barrier is not present or help is needed to properly install one.
In the Commonwealth of Massachusetts installation must be
performed by a licensed plumber or gas fitter.
See Table of Contents for location of additional Commonwealth
of Massachusetts requirements.
Installation and service of this appliance should be
performed by qualified personnel. Hearth & Home
Technologies suggests NFI certified or factory trained
professionals, or technicians supervised by an NFI
certified professional.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
1
Read this manual before installing or operating this appliance.
Please retain this owner’s manual for future reference.
A. Congratulations
This owner’s manual should be retained for future
reference. We suggest that you keep it with your other
important documents and product manuals.
Congratulations on selecting a Heatilator gas fireplace, an
elegant and clean alternative to wood burning fireplaces.
The Heatilator gas fireplace you have selected is designed
to provide the utmost in safety, reliability, and efficiency.
The information contained in this owner’s manual, unless
noted otherwise, applies to all models and gas control
systems.
As the owner of a new fireplace, you’ll want to read and
carefully follow all of the instructions contained in this
owner’s manual. Pay special attention to all cautions and
warnings.
Your new Heatilator gas fireplace will give you years of
durable use and trouble-free enjoyment. Welcome to the
Heatilator family of fireplace products!
We recommend that you record the following pertinent
information about your fireplace.
Homeowner Reference Information
Model Name: ___________________________________________ Date purchased/installed: __________________
Serial Number:__________________________________________ Location on fireplace: _____________________
Dealership purchased from: _______________________________ Dealer Phone: __________________________
Notes: _______________________________________________________________________________________
_____________________________________________________________________________________________
Listing Label Information/Location
The model information regarding your specific fireplace can be found on
the rating plate usually located in the control area of the fireplace.
Heatilator, a brand of Hearth & Home Technologies, Inc.
7571 215th Street West, Lakeville, MN 55044
Type of Gas
Not for use with solid fuel.
(Ne doit pas entre utilise avec un combustible solide).
Type of Gas (Sorte De Gaz)
Gaz)::
NATURAL GAS
This appliance must be installed in accordance with local codes, if any; if not, follow ANSI Z223.1
in the USA or CAN/CGA B149 installation codes. (Installer l’appareil selon les codes ou reglements
locaux ou, en l’absence de tels reglements, selon les codes d’installation CAN/CGA-B149.)
ANSI Z21XX-XXXX · CSA 2.XX-MXX · UL307B
Gas and Electric
Information
Minimum Permissible Gas Supply for Purposes of Input Adjustment.
Approved Minimum (De Gaz) Acceptable
0.0 in w.c.
(Po. Col. d’eau)
Maximum Pressure (Pression)
0.0 in w.c.
(Po. Col. d’eau)
Maximum Manifold Pressure (Pression)
0.0 in w.c.
(Po. Col. d’eau)
Minimum Manifold Pressure (Pression)
0.0 in w.c.
(Po. Col. d’eau)
Total Electrical Requirements: 000Vac, 00Hz., less than 00 Amperes
ALTITUDE:
MAX. INPUT BTUH:
MIN. INPUT BTUH:
ORIFICE SIZE:
2
0-0000 FT.
00,000
00,000
#XXXXX
IN CANADA
0000-0000FT.
00,000
00,000
#XXXXX
MADE IN USA
Model:
(Modele):
XXXXXXXX
Serial
(Serie):
XXXXXXXX
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
Model Number
Serial Number
Safety Alert Key:
•
•
•
•
DANGER! Indicates a hazardous situation which, if not avoided will result in death or serious injury.
WARNING! Indicates a hazardous situation which, if not avoided could result in death or serious injury.
CAUTION! Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
NOTICE: Used to address practices not related to personal injury.
Table of Contents
A. Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
B. Limited Lifetime Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6 Termination Locations
1 Listing and Code Approvals
7 Vent Information and Diagrams
A.
B.
C.
D.
E.
F.
G.
H.
Appliance Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tempered Glass Specifications . . . . . . . . . . . . . . . . . . . . .
BTU Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High Altitude Installations . . . . . . . . . . . . . . . . . . . . . . . . . .
Non-Combustible Materials Specification. . . . . . . . . . . . . .
Combustible Materials Specification . . . . . . . . . . . . . . . . .
Electrical Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Requirements for the Commonwealth of Massachusetts . .
7
7
7
7
7
7
7
8
User Guide
2 Operating Instructions
A.
B.
C.
D.
E.
F.
G.
H.
 I.
J.
K.
L.
M.
Gas Fireplace Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Your Fireplace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Fan Kit (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Clear Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Decorative Doors and Fronts . . . . . . . . . . . . . . . . . . . . . . 10
Fixed Glass Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Remote Controls, Wall Controls and Wall Switches . . . . . 10
IPI Battery Tray/Battery Installation . . . . . . . . . . . . . . . . . 10
Control Module Operation . . . . . . . . . . . . . . . . . . . . . . . . 11
Before Lighting Fireplace . . . . . . . . . . . . . . . . . . . . . . . . . 11
Lighting Instructions (IPI) . . . . . . . . . . . . . . . . . . . . . . . . . 12
After Fireplace is Lit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Frequently Asked Questions . . . . . . . . . . . . . . . . . . . . . . 13
3 Maintenance and Service
A. Maintenance Tasks-Homeowner . . . . . . . . . . . . . . . . . . . 14
 B. Maintenance Tasks-Qualified Service Technician . . . . . . 15
C. Logs/Grate and Valve Assembly Removal . . . . . . . . . . . . 16
D. Burner Identification/Verification . . . . . . . . . . . . . . . . . . . . 18
Installer Guide
Typical Appliance System. . . . . . . . . . . . . . . . . . . . . . . . .
Design and Installation Considerations . . . . . . . . . . . . . .
Tools and Supplies Needed . . . . . . . . . . . . . . . . . . . . . . .
Inspect Appliance and Components . . . . . . . . . . . . . . . . .
19
20
20
20
Approved Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vent Table Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Use of Elbows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Measuring Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vent Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26
26
26
26
27
8 Vent Clearances and Framing
A.
B.
C.
D.
E.
Pipe Clearances to Combustibles . . . . . . . . . . . . . . . . . .
Wall Penetration Framing . . . . . . . . . . . . . . . . . . . . . . . . .
Install the Ceiling Firestop . . . . . . . . . . . . . . . . . . . . . . . .
Install Attic Insulation Shield . . . . . . . . . . . . . . . . . . . . . . .
Installing the Optional Heat-Zone® Gas Kit . . . . . . . . . . .
37
37
38
39
39 
9 Appliance Preparation
A.
B.
C.
D.
Top Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Non-combustible Board. . . . . . . . . . . . . . . .
Securing and Leveling the Appliance . . . . . . . . . . . . . . . .
40
41
42
42
10 Installing Vent Pipe (DVP and SLP Pipe)
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
K.
L.
Assemble Vent Sections (DVP Pipe Only) . . . . . . . . . . . .
Assemble Vent Sections (SLP Pipe Only) . . . . . . . . . . . .
Assemble Slip Sections . . . . . . . . . . . . . . . . . . . . . . . . . .
Secure the Vent Sections . . . . . . . . . . . . . . . . . . . . . . . . .
Disassemble Vent Sections . . . . . . . . . . . . . . . . . . . . . . .
Install Decorative Ceiling Components (SLP only). . . . . .
Install Metal Roof Flashing . . . . . . . . . . . . . . . . . . . . . . . .
Assemble and Install Storm Collar . . . . . . . . . . . . . . . . . .
Install Vertical Termination Cap . . . . . . . . . . . . . . . . . . . .
Install Decorative Wall Components (SLP only) . . . . . . . .
Heat Shield Requirements for Horizontal Termination . . .
Install Horizontal Termination Cap (DVP and SLP Pipe) .
43
44
44
45
45
46
47
47
48
48
48
49
A.
B.
C.
D.
Fuel Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High Altitude Installations . . . . . . . . . . . . . . . . . . . . . . . . .
50
50
50
50
12 Electrical Information
5 Framing and Clearances
A.
B.
C.
D.
A.
B.
C.
D.
E.
11 Gas Information
4 Getting Started
A.
B.
C.
D.
A. Vent Termination Minimum Clearances . . . . . . . . . . . . . . 24 
Selecting Appliance Location . . . . . . . . . . . . . . . . . . . . . .
Constructing the Appliance Chase . . . . . . . . . . . . . . . . . .
Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mantel and Wall Projections . . . . . . . . . . . . . . . . . . . . . . .
21
22
23
23
A.
B.
C.
D.
E.
F.
Wiring Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IntelliFire PlusTM Ignition System Wiring . . . . . . . . . . . . . .
Optional Accessories Requirements . . . . . . . . . . . . . . . .
Electrical Service and Repair . . . . . . . . . . . . . . . . . . . . . .
Junction Box Installation. . . . . . . . . . . . . . . . . . . . . . . . . .
Wall Switch Installation for Fan (Optional) . . . . . . . . . . . .
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
51
51
51
52
52
52
3
13 Finishing
A. Mantel and Wall Projections . . . . . . . . . . . . . . . . . . . . . . . 53
B. Facing Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
14 Appliance Setup
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
Remove Fixed Glass Assembly . . . . . . . . . . . . . . . . . . . .
Remove the Shipping Materials . . . . . . . . . . . . . . . . . . . .
Clean the Appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ember Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Place the Lava Rock and Vermiculite . . . . . . . . . . . . . . . .
Install the Log Assembly. . . . . . . . . . . . . . . . . . . . . . . . . .
Fixed Glass Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Trim and/or Surround . . . . . . . . . . . . . . . . . . . . . . .
Air Shutter Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
54
54
54
54
54
54
55
56
56
56
15 Troubleshooting
 A. IntelliFire PlusTM Ignition System . . . . . . . . . . . . . . . . . . . 57
16 Reference Materials
A.
B.
C.
D.
Appliance Dimension Diagram . . . . . . . . . . . . . . . . . . . . .
Vent Components Diagrams . . . . . . . . . . . . . . . . . . . . . .
Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
59
61
69
73
 = Contains updated information.
4
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
B. Limited Lifetime Warranty
Hearth & Home Technologies Inc.
LIMITED LIFETIME WARRANTY
Hearth & Home Technologies Inc., on behalf of its hearth brands (”HHT”), extends the following warranty for
HHT gas, wood, pellet, coal and electric hearth appliances that are purchased from an HHT authorized dealer.
WARRANTY COVERAGE:
HHT warrants to the original owner of the HHT appliance at the site of installation, and to any transferee taking ownership
of the appliance at the site of installation within two years following the date of original purchase, that the HHT appliance
will be free from defects in materials and workmanship at the time of manufacture. After installation, if covered components manufactured by HHT are found to be defective in materials or workmanship during the applicable warranty period,
HHT will, at its option, repair or replace the covered components. HHT, at its own discretion, may fully discharge all of its
obligations under such warranties by replacing the product itself or refunding the verified purchase price of the product
itself. The maximum amount recoverable under this warranty is limited to the purchase price of the product. This warranty
is subject to conditions, exclusions and limitations as described below.
WARRANTY PERIOD:
Warranty coverage begins on the date of original purchase. In the case of new home construction, warranty coverage
begins on the date of first occupancy of the dwelling or six months after the sale of the product by an independent,
authorized HHT dealer/ distributor, whichever occurs earlier. The warranty shall commence no later than 24 months
following the date of product shipment from HHT, regardless of the installation or occupancy date. The warranty period for
parts and labor for covered components is produced in the following table.
The term “Limited Lifetime” in the table below is defined as: 20 years from the beginning date of warranty coverage for
gas appliances, and 10 years from the beginning date of warranty coverage for wood, pellet, and coal appliances. These
time periods reflect the minimum expected useful lives of the designated components under normal operating conditions.
Warranty Period
Parts
Labor
1 Year
2 years
HHT Manufactured Appliances and Venting
Gas
X
X
Wood
X
X
X
3 years
Pellet
EPA
Wood
Coal
X
X
X
X
X
X
X
X
X
Components Covered
Electric Venting
X
X
All parts and material except as
covered by Conditions,
Exclusions, and Limitations
listed
Igniters, electronic components,
and glass
Factory-installed blowers
Molded refractory panels
X
Firepots and burnpots
5 years
1 year
7 years
3 years
10
years
1 year
X
Limited
3 years
Lifetime
X
X
X
X
X
90 Days
X
X
X
X
X
X
X
X
Castings and baffles
X
X
Manifold tubes,
HHT chimney and termination
Burners, logs and refractory
Firebox and heat exchanger
X
X
All replacement parts
beyond warranty period
See conditions, exclusions, and limitations on next page.
4021-645C 12-29-10
Page 1 of 2
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
5
B. Limited Lifetime Warranty (continued)
WARRANTY CONDITIONS:
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Page 2 of 2
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
1
Listing and Code Approvals
A. Appliance Certification
MODELS: CD4236IR-C, CD4236ILR-C,
CD4842IR-C, CD4842ILR-C
LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE: Direct Vent Gas Appliance Heater
STANDARD: ANSI Z21.88-2009 • CSA 2.33-2009
C. BTU Specifications
Models
Maximum
Input BTU/h
Minimum
Input BTU/h
Orifice
Size
(DMS)
US
30,000
16,000
37
CANADA
27,000
14,400
38
U.S. (0-2000 ft.) or
Canada (2000-4500 ft.)
CD4236IR-C (NG)
US
29,000
16,000
52
CANADA
26,100
14,400
53
US
35,000
18,000
33
CANADA
31,500
16,200
34
US
32,500
17,000
51
CANADA
29,250
15,300
52
CD4236ILR-C (LP)
This product is listed to ANSI standards for “Vented Gas
Appliance Heaters” and applicable sections of “Gas Burning Heating Appliances for Manufactured Homes and
Recreational Vehicles”, and “Gas Fired Appliances for
Use at High Altitudes”.
NOTICE: This installation must conform with local codes.
In the absence of local codes you must comply with the
National Fuel Gas Code, ANSI Z223.1-latest edition in
the U.S.A. and the CAN/CGA B149 Installation Codes in
Canada.
NOT INTENDED FOR USE AS A PRIMARY HEAT SOURCE.
This appliance is tested and approved as either supplemental room heat or as a decorative appliance. It should not be
factored as primary heat in residential heating calculations.
B. Tempered Glass Specifications
Hearth & Home Technologies appliances manufactured
with tempered glass may be installed in hazardous locations such as bathtub enclosures as defined by the Consumer Product Safety Commission (CPSC). The tempered
glass has been tested and certified to the requirements
of ANSI Z97.1 and CPSC 16 CFR 1202 (Safety Glazing
Certification Council SGCC# 1595 and 1597. Architectural Testing, Inc. Reports 02-31919.01 and 02-31917.01).
This statement is in compliance with CPSC 16 CFR Section 1201.5 “Certification and labeling requirements”
which refers to 15 U.S. Code (USC) 2063 stating “…Such
certificate shall accompany the product or shall otherwise
be furnished to any distributor or retailer to whom the
product is delivered.”
Some local building codes require the use of tempered
glass with permanent marking in such locations. Glass
meeting this requirement is available from the factory.
Please contact your dealer or distributor to order.
CD4842IR-C (NG)
CD4842ILR-C (LP)
D. High Altitude Installations
NOTICE: If the heating value of the gas has been reduced,
these rules do not apply. Check with your local gas utility
or authorities having jurisdiction.
When installing above 2000 feet elevation:
• In the USA: Reduce input rate 4% for each 1000 feet
above 2000 feet.
• In CANADA: Reduce input rate 10% for elevations
between 2000 feet and 4500 feet. Above 4500 feet,
consult local gas utility.
Check with your local gas utility to determine proper
orifice size.
E. Non-Combustible Materials Specification
Material which will not ignite and burn. Such materials are
those consisting entirely of steel, iron, brick, tile, concrete,
slate, glass or plasters, or any combination thereof.
Materials that are reported as passing ASTM E 136,
Standard Test Method for Behavior of Materials in a
Vertical Tube Furnace at 750 ºC and UL763 shall be
considered non-combustible materials.
F. Combustible Materials Specification
Materials made of or surfaced with wood, compressed paper, plant fibers, plastics, or other material that can ignite
and burn, whether flame proofed or not, or plastered or
unplastered shall be considered combustible materials.
G. Electrical Codes
NOTICE: This appliance must be electrically wired and
grounded in accordance with local codes or, in the absence
of local codes, with National Electric Code ANSI/NFPA
70-latest edition or the Canadian Electric Code CSA
C22.1.
• A 110-120 VAC circuit for this product must be protected
with ground-fault circuit-interrupter protection, in compliance
with the applicable electrical codes, when it is installed in
locations such as in bathrooms or near sinks.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
7
Note: The following requirements reference various
Massachusetts and national codes not contained in this
document.
H. Requirements for the Commonwealth of
Massachusetts
For all side wall horizontally vented gas fueled equipment
installed in every dwelling, building or structure used in
whole or in part for residential purposes, including those
owned or operated by the Commonwealth and where the
side wall exhaust vent termination is less than seven (7)
feet above finished grade in the area of the venting, including but not limited to decks and porches, the following
requirements shall be satisfied:
Installation of Carbon Monoxide Detectors
At the time of installation of the side wall horizontal vented
gas fueled equipment, the installing plumber or gas fitter
shall observe that a hard wired carbon monoxide detector
with an alarm and battery back-up is installed on the floor
level where the gas equipment is to be installed. In addition, the installing plumber or gas fitter shall observe that
a battery operated or hard wired carbon monoxide detector with an alarm is installed on each additional level of
the dwelling, building or structure served by the side wall
horizontal vented gas fueled equipment. It shall be the
responsibility of the property owner to secure the services
of qualified licensed professionals for the installation of
hard wired carbon monoxide detectors.
In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic,
the hard wired carbon monoxide detector with alarm and
battery back-up may be installed on the next adjacent
floor level.
In the event that the requirements of this subdivision can
not be met at the time of completion of installation, the
owner shall have a period of thirty (30) days to comply
with the above requirements; provided, however, that during said thirty (30) day period, a battery operated carbon
monoxide detector with an alarm shall be installed.
Approved Carbon Monoxide Detectors
Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA
720 and be ANSI/UL 2034 listed and IAS certified.
Signage
A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum
height of eight (8) feet above grade directly in line with the
exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment. The sign shall read,
in print size no less than one-half (1/2) in. in size, “GAS
VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS”.
Inspection
The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the
installation unless, upon inspection, the inspector observes carbon monoxide detectors and signage installed
in accordance with the provisions of 248 CMR 5.08(2)(a)1
through 4.
Exemptions
The following equipment is exempt from 248 CMR
5.08(2)(a)1 through 4:
• The equipment listed in Chapter 10 entitled “Equipment
Not Required To Be Vented” in the most current edition
of NFPA 54 as adopted by the Board; and
• Product Approved side wall horizontally vented gas fueled equipment installed in a room or structure separate
from the dwelling, building or structure used in whole or
in part for residential purposes.
MANUFACTURER REQUIREMENTS
Gas Equipment Venting System Provided
When the manufacturer of Product Approved side wall
horizontally vented gas equipment provides a venting
system design or venting system components with the
equipment, the instructions provided by the manufacturer
for installation of the equipment and the venting system
shall include:
• Detailed instructions for the installation of the venting
system design or the venting system components; and
• A complete parts list for the venting system design or
venting system.
Gas Equipment Venting System NOT Provided
When the manufacturer of a Product Approved side wall
horizontally vented gas fueled equipment does not provide the parts for venting the flue gases, but identifies
“special venting systems”, the following requirements
shall be satisfied by the manufacturer:
• The referenced “special venting system” instructions
shall be included with the appliance or equipment installation instructions; and
• The “special venting systems” shall be Product Approved by the Board, and the instructions for that system shall include a parts list and detailed installation
instructions.
A copy of all installation instructions for all Product Approved side wall horizontally vented gas fueled equipment, all venting instructions, all parts lists for venting
instructions, and/or all venting design instructions shall
remain with the appliance or equipment at the completion
of the installation.
See Gas Connection section for additional Commonwealth of Massachusetts requirements.
8
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
2
Operating Instructions
User Guide
• Keep remote controls out of reach of children.
A. Gas Fireplace Safety
• Never leave children alone near a hot fireplace, whether
operating or cooling down.
WARNING
HOT SURFACES!
Glass and other surfaces are hot during
operation AND cool down.
Hot glass will cause burns.
• DO NOT touch glass until it is cooled
• NEVER allow children to touch glass
• Keep children away
• CAREFULLY SUPERVISE children in same room as
fireplace.
• Alert children and adults to hazards of high temperatures.
High temperatures may ignite clothing or other
flammable materials.
• Keep clothing, furniture, draperies and other flammable
materials away.
This appliance has been supplied with an integral barrier
to prevent direct contact with the fixed glass panel. DO
NOT operate the appliance with the barrier removed.
Contact your dealer or Hearth & Home Technologies if the
barrier is not present or help is needed to properly install one.
If you expect that small children or vulnerable adults may
come into contact with this fireplace, the following precautions are recommended:
• Install a physical barrier such as:
- A decorative firescreen.
- Adjustable safety gate.
• Teach children to NEVER touch the fireplace.
• Consider not using the fireplace when children will be
present.
Contact your dealer for more information, or visit: www.
hpba.org/safety-information.
To prevent unintended operation when not using your fireplace for an extended period of time (summer months,
vacations, trips, etc):
• Remove batteries from remote controls.
• Turn off wall controls.
• Unplug 6 volt transformer plug and remove batteries on
IPI models.
• Turn off gas controls valve on standing pilot models.
When lighting the pilot light on fireplaces with a standing
pilot, remove the fixed glass assembly so you can detect presence of residual gas build-up. See Standing Pilot
Lighting instructions and Maintenance Tasks.
B. Your Fireplace
WARNING! DO NOT operate fireplace before reading and understanding operating instructions. Failure
to operate fireplace according to operating instructions
could cause fire or injury.
• Install a switch lock or a wall/remote control with child
protection lockout feature.
DECORATIVE DOORS
(NOT SHOWN)
SECTION 2.E.
FIXED GLASS ASSEMBLY
(NOT SHOWN)
SECTION 14.H.
MANTEL
SECTION 5.D
FAN KIT
SECTION 2.C.
HEARTH
(not required)
CLEAR SPACE
SECTION 2.D.
GRATE
SECTION 3.C.
Figure 2.1 General Operating Parts
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
9
C. Fan Kit (optional)
F. Fixed Glass Assembly
If desired, a fan kit may be added. Contact your dealer to
order the correct fan kit.
See Section 14.H.
D. Clear Space
G. Remote Controls, Wall Controls and Wall
Switches
WARNING! DO NOT place combustible objects in front
of the fireplace or block louvers. High temperatures may
start a fire. See Figure 2.2.
Follow the instructions supplied with the control installed
to operate your fireplace:
Avoid placing candles and other heat-sensitive objects on
mantel or hearth. Heat may damage these objects.
For safety:
• Install a switch lock or a wall/remote control with child
protection lockout feature.
• Keep remote controls out of reach of children.
See your dealer if you have questions.
H. IPI Battery Tray/Battery Installation
The IntelliFire PlusTM system has a battery backup option.
Battery longevity and performance will be affected by the
service temperatures of this appliance.
NOTICE: Batteries should only be used as a power source
in the event of an emergency such as an outage.
3F
T.
IN CLE
FR AR
ON S
T O PAC
FF E
IR
EP
LA
CE
Figure 2.2 Clear Space
E. Decorative Doors and Fronts
WARNING! Risk of Fire! Install ONLY doors or fronts
approved by Hearth & Home Technologies. Unapproved
doors or fronts may cause fireplace to overheat.
This fireplace has been supplied with an integral
barrier to prevent direct contact with the fixed glass
panel. DO NOT operate the fireplace with the barrier
removed.
Contact your dealer or Hearth & Home Technologies if
the barrier is not present or help is needed to properly
install one.
For more information refer to the instructions supplied with
your decorative door or front.
10
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
I. Control Module Operation
5. Module Reset
This module may lock-out under certain conditions.
When this occurs, the appliance will not ignite or
respond to commands. The module will go into lock-out
mode by emitting three audible beeps, then continuously
displaying a RED/GREEN error code at its status
indicator LED.
1. The control module has an ON/OFF/REMOTE selector
switch that must be set. See Figure 2.3.
OFF Position: Appliance will ignore all power inputs and
will not respond to any commands from a wall switch or
remote. The unit should be in the OFF position during
installation, service, battery installation, fuel conversion,
and in the event that the control goes into LOCK-OUT
mode as a result of an error code.
ON Position: Appliance will ignite and run continuously
in the HI flame setting, with no adjustment in flame
output. This mode of operation is primarily used for
initial installation or power outage operation with battery
backup.
REMOTE Position: Appliance will initiate commands
from an optional wired wall switch and/or the wireless
remote (RC300).
2. If using a wired wall switch with the module in REMOTE
mode, the flame output can be adjusted with the HI/LO
selector switch on the module. See Figure 2.3. Note
that the flame HI/LO selector switch will become inactive
once an optional remote control (RC200/RC300) is
programmed to the control module. Note that the control
module will always ignite the fireplace on HI and remain
so for the initial 10 seconds of operation. If the HI/LO
is switched to the LO position, the flame output will
automatically drop to the lowest setting after the flame
has been established for 10 sec. After this 10 second
period, the flame can be adjusted from HI to LO with
the switch.
3. The control module has safety feature that automatically
shuts down the fireplace after 9 hours of continuous
operation without receiving a command from the RC300
remote.
4. If you intend to use both an optional wired wall switch
and the RC300 remote control to operate your fireplace,
the wall switch will override any commands given by
the remote.
MODULE
•
Check battery tray. Remove batteries if installed.
Batteries should only be installed for use during power
outages. See Section H.
•
Locate the module selector switch. (See Figure 2.3).
•
Set the module selector switch to the OFF position.
•
Wait five (5) minutes to allow possible accumulated gas
to clear.
•
Set the module selector switch to ON or REMOTE
position.
•
Start the appliance.
WARNING! Risk of Explosion! DO NOT reset the module more than one time within a five minute time period.
Gas may accumulate in firebox. Call a qualified service
technician.
Nine Hour Safety Shutdown Feature
This appliance has a safety feature that automatically
shuts down the fireplace after 9 hours of continuous
operation without receiving a command from the
RC300 remote.
J. Before Lighting Fireplace
Before operating this fireplace for the first time, have a
qualified service technician:
• Verify all shipping materials have been removed from
inside and/or underneath the firebox.
• Review proper placement of logs, ember material and/
or other decorative materials.
• Ensure plastic finishing strips have been removed after
use for incorporating finishing materials.
• Check the wiring.
• Check the air shutter adjustment.
• Ensure that there are no gas leaks.
SELECTOR
SWITCH
• Ensure that the glass is sealed and in the proper position
and that the integral barrier is in place.
WARNING! Risk of Fire or Asphyxiation! DO NOT operate fireplace with fixed glass assembly removed.
NG/LP SETTING
WIRE LEAD FROM REGULATOR CONNECTS HERE
Figure 2.3 Control Module
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
11

K. Lighting Instructions (IPI)
FOR YOUR SAFETY
READ BEFORE LIGHTING
LIGHTING
INSTRUCTIONS (IPI)
WARNING: If you do not follow these instructions exactly, a fire or explosion
may result causing property damage, personal injury or loss of life.
1. This appliance is equipped with an ignition
device which automatically lights the burner.
DO NOT try to light the burner by hand.
A. This appliance is equipped with an
intermittent pilot ignition (IPI) device
which automatically lights the burner. DO NOT try to light the burner by
hand.
• Immediately call your gas supplier
from a neighbor’s phone. Follow the
gas supplier’s instructions.
B. BEFORE LIGHTING, smell all around
the appliance area for gas. Be sure to
smell next to the floor because some
gas is heavier than air and will settle
on the floor.
C. DO NOT use this appliance if any
part has been under water. Immediately call a qualified service technician to inspect the appliance and
to replace any part of the control
system and any gas control which
has been under water.
WHAT TO DO IF YOU SMELL GAS
• DO NOT try to light any appliance.
• If you cannot reach your gas supplier, call the fire department.
GAS
VALVE
2. Wait five (5) minutes to clear out any gas.
Then smell for gas, including near the floor. If
you smell gas, STOP! Follow “B” in the Safety
Information located on the left side of this label. If you do not smell gas, go to next step.
3. To light the burner:
• DO NOT touch any electric switch; do
not use any phone in your building.
Equipped with wall switch: Turn ON/OFF switch
to ON.
WARNING:
CAUTION:
DO NOT CONNECT LINE VOLTAGE (110/120 VAC OR 220/240
VAC) TO THE CONTROL VALVE.
Hot while in operation. DO NOT touch.
Keep children, clothing, furniture, gasoline and other liquids having flammable
vapors away.
Improper installation, adjustment, alteration, service or maintenance can
cause injury or property damage. Refer to the owner’s information manual
provided with this appliance.
This appliance needs fresh air for
safe operation and must be installed
so there are provisions for adequate
combustion and ventilation air.
If not installed, operated, and maintained in accordance with the manufacturer’s instructions, this product could
expose you to substances in fuel or
fuel combustion which are known to
the State of California to cause cancer, birth defects, or other reproductive
harm.
Keep burner and control compartment
clean. See installation and operating
instructions accompanying appliance.
DO NOT operate the appliance with
fixed glass assembly removed, cracked
or broken. Replacement of the fixed
glass assembly should be done by a
licensed or qualified service person.
NOT FOR USE
WITH SOLID FUEL
For use with natural gas and propane.
A conversion kit, as supplied by the
manufacturer, shall be used to convert
this appliance to the alternate fuel.
Equipped with remote or wall control: Press
ON or FLAME button.
Equipped with thermostat: Set temperature to
desired setting.
4. If the appliance does not light after three tries,
call your service technician or gas supplier.
TO TURN OFF
GAS TO APPLIANCE
1. Equipped with wall switch: Turn ON/OFF switch
to OFF.
Equipped with remote or wall control: Press
OFF button.
Equipped with thermostat: Set temperature to
lowest setting.
2. Service technician should turn off electric
power to the control when performing service.
Also Certified for Installation in a
Bedroom or a Bedsitting Room.
For assistance or additional information, consult a qualified installer, service agency or the gas supplier.
For additional information on operating your
Hearth & Home Technologies fireplace, please refer to www.fireplaces.com.
Final inspection by
12
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
593-913G
L. After Fireplace is Lit
Initial Break-in Procedure
• The fireplace should be run three to four hours
continuously on high.
• Turn the fireplace off and allow it to completely cool.
• Remove fixed glass assembly. See Section 14.H.
• Clean fixed glass assembly. See Section 3.
• Replace the fixed glass assembly and run continuously
on high an additional 12 hours.
This cures the materials used to manufacture the fireplace.
NOTICE! Open windows for air circulation during fireplace break-in.
• Some people may be sensitive to smoke and odors.
• Smoke detectors may activate.
M. Frequently Asked Questions
ISSUE
SOLUTIONS
Condensation on the glass
This is a result of gas combustion and temperature variations. As the appliance warms, this
condensation will disappear.
Blue flames
This is a result of normal operation and the flames will begin to yellow as the appliance is allowed to burn for 20 to 40 minutes.
Odor from appliance
When first operated, this appliance may release an odor for the first several hours. This is caused
by the curing of the paint and the burning off of any oils remaining from manufacturing. Odor may
also be released from finishing materials and adhesives used around the appliance.
This is a normal result of the curing process of the paint and logs. Glass should be cleaned
within 3 to 4 hours of initial burning to remove deposits left by oils from the manufacturing
process. A non-abrasive cleaner such as gas fireplace glass cleaner may be necessary. See
your dealer.
Film on the glass
Metallic noise
Noise is caused by metal expanding and contracting as it heats up and cools down, similar to
the sound produced by a furnace or heating duct. This noise does not affect the operation or
longevity of the appliance.
Is it normal to see the pilot flame burn
continually?
In an intermittent pilot ignition system (IPI), the pilot flame should turn off when appliance is
turned off. Some optional control systems available with IPI models may allow pilot flame to
remain lit. In a standing pilot system the pilot will always stay on.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
13
3
Maintenance and Service
Any safety screen or guard removed for servicing must be
replaced prior to operating the fireplace.
When properly maintained, your fireplace will give you
many years of trouble-free service. We recommend annual service by a qualified service technician.
A. Maintenance Tasks-Homeowner
Installation and repair should be done by a qualified service
technician only. The fireplace should be inspected before
use and at least annually by a professional service person.
Doors, Surrounds, Fronts
Frequency: Annually
By: Homeowner
Tools needed: Protective gloves, stable work surface
• Assess condition of screen and replace as necessary.
• Inspect for scratches, dents or other damage and repair
as necessary.
• Check that louvers are not blocked.
• Vacuum and dust surfaces.
The following tasks may be performed annually by the
homeowner. If you are uncomfortable performing any of
the listed tasks, please call your dealer for a service appointment.
More frequent cleaning may be required due to lint from
carpeting or other factors. Control compartment, burner
and circulating air passageway of the fireplace must be
kept clean.
CAUTION! Risk of Burns! The fireplace should be turned
off and cooled before servicing.
Glass Cleaning
Remote Control
Frequency: Seasonally
By: Homeowner
Tools needed: Replacement batteries and remote control instructions.
• Locate remote control transmitter and receiver.
• Verify operation of remote. Refer to remote control
operation instructions for proper calibration and setup
procedure.
• Place batteries as needed in remote transmitters and
battery-powered receivers.
Frequency: Seasonally
By: Homeowner
• Place remote control out of reach of children.
Tools Needed: Protective gloves, glass cleaner, drop
cloth and a stable work surface.
CAUTION! Handle fixed glass assembly with care.
Glass is breakable.
• Avoid striking, scratching or slamming glass
• Avoid abrasive cleaners
• DO NOT clean glass while it is hot
• Prepare a work area large enough to accommodate fixed
glass assembly and door frame by placing a drop cloth
on a flat, stable surface.
Note: Fixed glass assembly and gasketing may have residue that can stain carpeting or floor surfaces.
• Remove door or decorative front from fireplace and set
aside on work surface.
• See Section 14.H for instructions to remove fixed glass
assembly.
• Clean glass with a non-abrasive commercially available
cleaner.
- Light deposits: Use a soft cloth with soap and water
- Heavy deposits: Use commercial fireplace glass
cleaner (consult with your dealer)
• Carefully set fixed glass assembly in place on fireplace.
Hold glass in place with one hand and secure glass
latches with the other hand.
If not using your fireplace for an extended period of time
(summer months, vacations/trips, etc), to prevent unintended operation:
• Remove batteries from remote controls.
• Unplug 6 volt transformer plug on IPI models.
• Unplug battery backup from control module.
Venting
Frequency: Seasonally
By: Homeowner
Tools needed: Protective gloves and safety glasses.
• Inspect venting and termination cap for blockage or
obstruction such plants, bird nests, leaves, snow, debris,
etc.
• Verify termination cap clearance to subsequent construction (building additions, decks, fences, or sheds). See
Section 6.
• Inspect for corrosion or separation.
• Verify weather stripping, sealing and flashing remains
intact.
• Inspect draft shield to verify it is not damaged or missing.
• Reinstall door or decorative front.
14
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
B. Maintenance Tasks-Qualified Service
Technician
Burner Ignition and Operation
The following tasks must be performed by a qualified service technician.
By: Qualified Service Technician
Gasket Seal and Glass Assembly Inspection
Frequency: Annually
Frequency: Annually
Tools needed: Protective gloves, vacuum cleaner, whisk
broom, flashlight, voltmeter, indexed drill bit set, and a
manometer.
• Verify burner is properly secured and aligned with pilot
or igniter.
By: Qualified Service Technician
Tools needed: Protective gloves, drop cloth and a stable
work surface.
• Inspect gasket seal and its condition.
• Inspect fixed glass assembly for scratches and nicks that
can lead to breakage when exposed to heat.
• Confirm there is no damage to glass or glass frame.
Replace as necessary.
• Verify that fixed glass assembly is properly retained and
attachment components are intact and not damaged.
Replace as necessary.
• Clean off burner top, inspect for plugged ports, corrosion
or deterioration. Replace burner if necessary.
• Replace Glowing embers with new dime-size pieces.
DO NOT block ports or obstruct lighting paths. Refer to
Section 14 for proper ember placement.
• Verify batteries have been removed from battery backup IPI systems to prevent premature battery failure or
leaking.
• Check for smooth lighting and ignition carryover to all
ports. Verify that there is no ignition delay.
Logs
• Inspect for lifting or other flame problems.
Frequency: Annually
• Verify air shutter setting is correct. See Section 14 for
required air shutter setting. Verify air shutter is clear of
dust and debris.
By: Qualified Service Technician
Tools needed: Protective gloves.
• Inspect for damaged or missing logs. Replace as necessary. Refer to Section 14 for log placement instructions.
• Inspect orifice for soot, dirt and corrosion. Verify orifice
size is correct. See Service Parts List for proper orifice
sizing.
• Verify correct log placement and no flame impingement
causing sooting. Correct as necessary.
• Verify manifold and inlet pressures. Adjust regulator as
required.
Firebox
• Inspect pilot flame pattern and strength. See Figure 3.1
for proper pilot flame pattern. Clean or replace orifice
spud as necessary.
Frequency: Annually
By: Qualified Service Technician
Tools needed: Protective gloves, sandpaper, steel wool,
cloths, mineral spirits, primer and touch-up paint.
• Inspect for paint condition, warped surfaces, corrosion
or perforation. Sand and repaint as necessary.
• Replace fireplace if firebox has been perforated.
• Inspect IPI flame sensing rod for soot, corrosion and
deterioration. Polish with fine steel wool or replace as 
required.
• Verify that there is not a short in flame sense circuit
by checking continuity between pilot hood and flame
sensing rod. Replace pilot as necessary. (IPI only)
Control Compartment and Firebox Top
Frequency: Annually
By: Qualified Service Technician
Tools needed: Protective gloves, vacuum cleaner, dust
cloths
• Vacuum and wipe out dust, cobwebs, debris or pet hair.
Use caution when cleaning these areas. Screw tips that
have penetrated the sheet metal are sharp and should
be avoided.
• Remove all foreign objects.
• Verify unobstructed air circulation.
Figure 3.1 IPI Pilot Flame Patterns
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
15
C. Logs/Grate and Valve Assembly Removal
It may become necessary to remove the logs/grate and
valve assembly. This task should be performed by a qualified service technician. The base pan does not need to
be removed to service the burner assembly.
1. Remove the two top logs from the log/grate assembly.
These logs are not secured to the assembly with screws.
See Figure 3.2.
4. The standard metal refractory will have to be removed
in order to access the valve assembly. This is done by
removing 8 screws (10 screws for CD4842IR-C model).
There are 4 screws per side panel, Figure 3.5 shows
the 2 screws on the bottom of panels and Figure 3.6
shows the 2 screws on the top of the panels. The 2
other screws for CD4842IR-C models are located in
back wall of firebox as shown in Figure 3.7. One is up
by exhaust baffle and the other is behind logs and near
fireplace bottom.
Figure 3.2 Remove Top Two Logs
2. Remove screw from each tab at the front of the log/grate
assembly that secures the assembly to the base pan.
See Figure 3.3
Figure 3.5 Bottom Screws For Metal Refractory
Figure 3.3 Remove Screws from Front Tab
3. Remove screws from log tabs on both ends of the rear
log and remove the log. See Figure 3.4.
Figure 3.6 Top Screws For Metal Refractory
2 EXTRA
SCREWS TO BE
REMOVED FOR
CD4842IR-C
Figure 3.7 CD4842IR-C Extra Metal Refractory Screws
Figure 3.4 Remove Screws from Log Tabs
16
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
5. Remove the two screws from the back corners of the
burner assembly. See Figure 3.8.
Figure 3.8 Remove Screws from Burner Assembly Rear Corners
6. Remove burner skirt by removing 4 screws. See Figure
3.9.
Figure 3.9 Remove Burner Skirt
7. Bend down grate tab at the right of burner assembly.
Assembly will slide out to the right. See Figure 3.10.
Figure 3.10 Grate Tab
Figure 3.11 Valve Assembly Removal
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
17
D. Burner Identification/Verification
The burner may be accessed for identification and verification purposes. This task should be performed by a
qualified service technician. Only the log/grate assembly
and burner skirt need to be removed in order to identify
burner. See Figure 3.12 for burner identification chart.
CD4236IR-C (NG)
CD4842IR-C (NG)
**
*
**
*
CD4236IR-C (LP)
CD4842IR-C (LP)
***
***
LP
LP
**
*
**
*
CNXT4236IH/T-C (NG & LP)
CNXT4836IH/T-C (NG & LP)
**
*
*Bottom left
feature determines
fireplace size
**
*
**Bottom right
feature determines
fireplace style
***LP stamp
determines gas type
(for CD models only)
CD4236IR-C (NG)
CD4236IR-C (LP)
X
CNXT4236IH/T-C (NG & LP)
X
CD4842IR-C (NG)
X
CD4842IR-C (LP)
X
CNXT4842IH/T-C (NG & LP)
X
X
X
Figure 3.12 Burner identification Examples
18
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
4
Installer Guide
Getting Started
A. Typical Appliance System
NOTICE: Illustrations and photos reflect typical installations and are for design purposes only. Illustrations/diagrams are not
drawn to scale. Actual product may vary from pictures in manual
HORIZONTAL
TERMINATION CAP
(SECTION 10.L )
Note: Dual venting configurations
ARE NOT allowed. Appliance MUST
be vented EITHER ver tically OR
horizontally.
VERTICAL TERMINATION CAP
(SECTION 10.I)
NON-COMBUSTIBLE ROOF FLASHING
MAINTAINS MINIMUM CLEARANCE
AROUND PIPE (SECTION 10.G)
STORM COLLAR
(SECTION 10.H)
VENT PIPE PENETRATES ROOF
PREFERABLY WITHOUT AFFECTING
ROOF RAFTERS (SECTION 8.C)
VENT PIPE (SECTIONS 7 and 8)
ATTIC INSULATION SHIELD (NOT
SHOWN) MUST BE USED HERE TO
KEEP INSULATION AWAY FROM
VENT PIPE IF ATTIC IS INSULATED
(SECTION 8.D)
CEILING FIRESTOP
ON FLOOR OF ATTIC
(SECTION 8.C)
FRAMING/HEADER
(SECTION 5.B)
FRAMING HEADED OFF
IN CEILING JOISTS
(SECTION 8.C)
OPTIONAL
WALL SWITCH
(SECTION 12.C)
MANTEL AND
MANTEL LEG
(SECTION 5.D)
SURROUND
HEARTH EXTENSION
(not required)
GAS LINE
(SECTION 11)
Figure 4.1 Typical System
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
19
B. Design and Installation Considerations
D. Inspect Appliance and Components
Heatilator direct vent gas appliances are designed to operate with all combustion air siphoned from outside of the
building and all exhaust gases expelled to the outside. No
additional outside air source is required.
• Carefully remove the appliance and components from
the packaging.
Installation MUST comply with local, regional, state and
national codes and regulations. Consult insurance carrier,
local building inspector, fire officials or authorities having
jurisdiction over restrictions, installation inspection and
permits.
• If packaged separately, the log set and appliance grate
must be installed.
Before installing, determine the following:
• Read all of the instructions before starting the installation. Follow these instructions carefully during the
installation to ensure maximum safety and benefit.
• Where the appliance is to be installed.
• The vent system configuration to be used.
• Gas supply piping requirements.
• Electrical wiring requirements.
• The vent system components and decorative doors and
fronts may be shipped in separate packages.
• Report to your dealer any parts damaged in shipment,
particularly the condition of the glass.
WARNING! Risk of Fire or Explosion! Damaged parts
could impair safe operation. DO NOT install damaged, incomplete or substitute components. Keep appliance dry.
• Framing and finishing details.
• Whether optional accessories—devices such as a fan,
wall switch, or remote control—are desired.
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
assistance or additional information, consult a qualified
service technician, service agency or your dealer.
Hearth & Home Technologies disclaims any responsibility for,
and the warranty will be voided by, the following actions:
• Installation and use of any damaged appliance or vent
system component.
• Modification of the appliance or vent system.
• Installation other than as instructed by Hearth & Home
Technologies.
• Improper positioning of the gas logs or the glass door.
C. Tools and Supplies Needed
Before beginning the installation be sure that the following
tools and building supplies are available.
Tape measure
Framing material
Pliers
Non-corrosive leak check solution
Hammer
Phillips screwdriver
Gloves
Framing square
Voltmeter
Electric drill and bits (1/4 in.)
Plumb line
Safety glasses
Level
Reciprocating saw
Manometer
Flat blade screwdriver
1/2 - 3/4 in. length, #6 or #8 Self-drilling screws
Caulking material (300ºF minimum continuous exposure
rating)
One 1/4 in. female connection (for optional fan).
20
• Installation and/or use of any component part not approved
by Hearth & Home Technologies.
Any such action may cause a fire hazard.
WARNING! Risk of Fire, Explosion or Electric Shock!
DO NOT use this appliance if any part has been under
water. Call a qualified service technician to inspect the
appliance and to replace any part of the control system
and/or gas control which has been under water.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
5
Framing and Clearances
NOTICE: Illustrations reflect typical installations and are
FOR DESIGN PURPOSES ONLY. Illustrations/diagrams
are not drawn to scale. Actual installation may vary due to
individual design preference.
A. Selecting Appliance Location
When selecting a location for the appliance it is important to
consider the required clearances to walls (see Figure 5.1).
WARNING! Risk of Fire or Burns! Provide adequate
clearance around air openings and for service access.
Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies.
NOTE: THE REAR STANDOFF MAY NEED
TO BE REMOVED WHEN VENTING AT 45º
A
1/2 IN.
G
B
ALCOVE
INSTALLATION
A
B
E
C
TOP VENT
ONE 90º ELBOW
REAR VENT,
HORIZONTAL TERMINATION
TWO ELBOWS
B
D
REAR VENT
ONE ELBOW
REAR VENT
NO ELBOWS
B
B
D
F
D
H
CD4236 Series
CD4842 Series
D
A
B
C
D
E
F
G
H
I
51
42
72
56-5/8
22
17-3/4
8
6-3/4
mm
1295
1067
1829
1438
See Section D.
Mantel Projections
559
451
203
171
in.
55-7/8
49
79
61-1/2
22
19-3/4
10
10-1/8
mm
1419
1245
2007
1562
559
502
254
257
in.
See Section D.
Mantel Projections
Figure 5.1 Appliance Locations - CD Models
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
21
Walls, ceiling, base plate and cantilever floor of the chase
should be insulated. Vapor and air infiltration barriers
should be installed in the chase as per regional codes for
the rest of the home. Additionally, in regions where cold
air infiltration may be an issue, the inside surfaces may be
sheetrocked and taped for maximum air tightness.
B. Constructing the Appliance Chase
A chase is a vertical box-like structure built to enclose the
gas appliance and/or its vent system. In cooler climates
the vent should be enclosed inside the chase.
NOTICE: Treatment of ceiling firestops and wall shield
firestops and construction of the chase may vary with the
type of building. These instructions are not substitutes
for the requirements of local building codes. Therefore,
you MUST check local building codes to determine the
requirements to these steps.
To further prevent drafts, the wall shield and ceiling firestops should be caulked with caulk with a minimum of
300ºF continuous exposure rating to seal gaps. Gas line
holes and other openings should be caulked with caulk with
a minimum of 300ºF continuous exposure rating or stuffed
with unfaced insulation. If the appliance is being installed
on a cement surface, a layer of plywood may be placed
underneath to prevent conducting cold up into the room.
Chases should be constructed in the manner of all outside walls of the home to prevent cold air drafting problems. The chase should not break the outside building
envelope in any manner.
COMBUSTIBLE FLOORING MAY BE INSTALLED
NEXT TO THE FRONT OF THE APPLIANCE.
E
A
J
B
F
H
C
D
I
G
* MINIMUM FRAMING DIMENSIONS
Models
CD4236 Series
CD4842 Series
A
B
C**
Rough
Opening
(Width)
Rough
Opening
(Height)
Rough
Opening
(Depth)
D
E
F
G
I
J
in.
10
40-1/8
22
42
25
0
0
1/2
1/2
36
mm
254
1019
559
1067
635
0
0
13
13
914
in.
10
42-1/8
22
49
25
0
0
1/2
1/2
36
mm
254
1019
559
1245
635
0
0
13
13
914
* Adjust framing dimensions for interior sheathing (such as sheetrock)
C** Add 12 inches for rear venting with one 90º elbow.
Figure 5.2 Clearances to Combustibles
22
H
Rough
Clearance Combustible Combustible Behind
Sides of
Front of
Opening
to Ceiling
Floor
Flooring
Appliance Appliance Appliance
(Width)
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
C. Clearances
D. Mantel and Wall Projections
NOTICE: Install appliance on hard metal or wood surfaces
extending full width and depth. DO NOT install directly
on carpeting, vinyl, tile or any combustible material other
than wood.
WARNING! Risk of Fire! Comply with all minimum clearances as specified. Framing or finishing material closer than
the minimums listed must be constructed entirely of noncombustible materials (i.e., steel studs, concrete board, etc).
WARNING! Risk of Fire! Maintain specified air space
clearances to appliance and vent pipe:
Note: All
measurements
in inches.
• Insulation and other materials must be secured to prevent
accidental contact.
TO CEILING
• The chase must be properly blocked to prevent blown
insulation or other combustibles from entering and
making contact with fireplace or chimney.
18
12
11
10
• Failure to maintain airspace may cause overheating and
a fire.
32
9
25
8
7
19
6
18
5
17
4
16
3
15
14
13
12
2-1/2
11
10
5
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
Figure 5.3 Minimum Vertical and Maximum Horizontal
Dimensions
Mantel Legs or Wall Projections
Top of
Appliance
Drywall
A
B
Mantel Leg or
Perpendicular Wall
A 1 in. (25 mm) min.
to perpendicular wall
B 3-1/2 in. (89 mm) min.
from fireplace opening
to perpendicular wall
Figure 5.4 Mantel Leg or Wall Projections (Acceptable on both
sides of opening)
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
23
6
Termination Locations
A. Vent Termination Minimum Clearances
WARNING
A
B
6 in. (minimum) up to 20 in.
152 mm/508 mm
18 in. minimum
457 mm
20 in. and over
0 in. minimum
Fire Risk.
Maintain vent clearance to combustibles as
specified.
• DO NOT pack air space with insulation or other
materials.
Failure to keep insulation or other materials away
from vent pipe may cause overheating and fire.
Gas, Wood or Fuel Oil
Termination Cap
B
A*
HORIZONTAL
OVERHANG
2 FT.
MIN.
20 INCHES MIN.
Gas
Termination
Cap **
VERTICAL
WALL
LOWEST
DISCHARGE
OPENING
GAS DIRECT VENT
TERMINATION CAP
X
12
*
ROOF PITCH
IS X/ 12
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
**
If using decorative cap cover(s), this distance may need to be
increased. Refer to the installation instructions supplied with the
decorative cap cover.
In a staggered installation with both gas and wood or fuel oil
terminations, the wood or fuel oil termination cap must be
higher than the gas termination cap.
Figure 6.2 Staggered Termination Caps
Roof Pitch
H (Min.) Ft.
Flat to 6/12...........................................................1.0*
Over 6/12 to 7/12 .................................................1.25*
Over 7/12 to 8/12 .................................................1.5*
Over 8/12 to 9/12 .................................................2.0*
Over 9/12 to 10/12 ...............................................2.5
Over 10/12 to 11/12 .............................................3.25
Over 11/12 to 12/12 .............................................4.0
Over 12/12 to 14/12 .............................................5.0
Over 14/12 to 16/12 .............................................6.0
Over 16/12 to 18/12 .............................................7.0
Over 18/12 to 20/12 .............................................7.5
Over 20/12 to 21/12 .............................................8.0
* 3 foot minimum in snow regions
Figure 6.1 Minimum Height From Roof To Lowest Discharge
Opening
24
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
O
N
P
R
F
C
V
Q
B
J
H or i
B
V
D
B
V
V
V
H
V
X
G
M
V
A
V
E
H
V
V
V
L
A
V
V = VENT TERMINAL
X = AIR SUPPLY INLET
K
B
C
V
V
= 12 inches.................clearances above grade, veranda,
porch, deck or balcony
= 12 inches.................clearance to window or door that may
be opened, or to permanently closed
window
= 18 inches.................clearance below unventilated soffit
18 inches.................clearance below ventilated soffit
30 inches .................clearance below vinyl soffits and
electrical service
Covered Alcove Applications
(Spaces open only on one side and with an overhang)
N
= 6 inches ........... non-vinyl sidewalls
12 inches ......... vinyl sidewalls
O
= 18 inches ......... non-vinyl soffit and overhang
P
= 8 ft.
42 inches ......... vinyl soffit and overhang
QMIN
RMAX
D
= 9 inches...................clearance to outside corner
1 cap
3 feet
2 x Q ACTUAL
E
= 6 inches...................clearance to inside corner
2 caps
6 feet
1 x Q ACTUAL
3 caps
9 feet
2/3 x Q ACTUAL
4 caps
12 feet
1/2 x Q ACTUAL
F
= 3 ft. (Canada) ..........not to be installed above a gas meter/regulator assembly within 3 feet
horizontally from the center-line of the
regulator
G = 3 ft ...........................clearance to gas service regulator
vent outlet
H
= 9 inches (U.S.A)
12 inches (Canada). clearance to non-mechanical (unpowered) air supply inlet, combustion air
inlet or direct-vent termination
i
= 3 ft. (U.S.A.)
6 ft. (Canada) ...........clearance to a mechanical (powered)
air supply inlet
All mechanical air intakes within 10 feet of a termination cap
must be a minimum of 3 feet below termination.
J
= 7 ft. ......................... On public property: clearance above
paved sidewalk or a paved driveway.
A vent shall not terminate directly above a sidewalk or paved
driveway which is located between two single family dwellings
and serves both dwellings.
K
= 6 inches.................clearance from sides of electrical
service
L
= 12 inches................clearance above electrical service
Location of the vent termination must not interfere with access to the
electrical service.
M
= 18 inches ....................clearance under veranda, porch, deck,
balcony or overhang
42 inches ................vinyl or composite overhang
Permitted when veranda, porch, deck or balcony is fully open
on a minimum of 2 sides beneath the floor.

K
C
= AREA WHERE TERMINAL IS NOT PERMITTED
A
Electrical
Service
Figure 6.3 Minimum Clearances for Termination
QMIN = # termination caps x 3
RMAX = (2 / # termination caps) x QACTUAL
Measure vertical clearances from this surface.
Measure horizontal clearances from this surface.
CAUTION! Risk of Burns! Termination caps are HOT,
consider proximity to doors, traffic areas or where people
may pass or gather (sidewalk, deck, patio, etc.). Listed cap
shields available. Contact your dealer.
•
Local codes or regulations may require different
clearances.
•
Vent system termination is NOT permitted in screened
porches.
•
Vent system termination is permitted in porch areas with
two or more sides open.
•
Hearth & Home Technologies assumes no responsibility
for the improper performance of the appliance when the
venting system does not meet these requirements.
Vinyl protection kits are suggested for use with vinyl siding.
•
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
25
7
Vent Information and Diagrams
A. Approved Pipe
DO NOT mix pipe, fittings or joining methods from different manufacturers.
Vertical
12
in
.
The pipe is tested to be run inside an enclosed wall.
There is no requirement for inspection openings at each
joint within the wall.
8-1/2 in.
WARNING! Risk of Fire or Asphyxiation. This appliance requires a separate vent. DO NOT vent to a pipe
serving a separate solid fuel burning appliance.
B. Vent Table Key
Horizontal
The abbreviations listed in this vent table key are used in
the vent diagrams.
Symbol
Description
V1
First section (closest to appliance) of vertical length
V2
Second section of vertical length
H1
First section (closest to appliance) of horizontal length
H2
Subsequent sections of horizontal length
C. Use of Elbows
Diagonal runs have both vertical and horizontal vent aspects when calculating the effects. Use the rise for the
vertical aspect and the run for the horizontal aspect (see
Figure 7.1).
Figure 7.1
D. Measuring Standards
Vertical and horizontal measurements listed in the vent
diagrams were made using the following standards.
• Pipe measurements are shown using the effective length
of pipe (see Figure 7.2).
• Horizontal terminations are measured to the outside
mounting surface (flange of termination cap) (see Figure
6.3).
• Vertical terminations are measured to bottom of
termination cap.
• Horizontal pipe installed level with no rise.
Two 45º elbows may be used in place of one 90º elbow.
On 45º runs, one foot of diagonal is equal to 8-1/2 in. (216
mm) horizontal run and 8-1/2 in. (216 mm) vertical run. A
length of straight pipe is allowed between two 45º elbows
(see Figure 7.1).
Pipe
Effective
Height/Length
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
Effective Length
Inches
Millimeters
DVP4
4
102
DVP6
6
152
DVP12
12
305
DVP24
24
610
DVP36
36
914
DVP48
48
1219
DVP6A
3 to 6
76 to 152
DVP12A
3 to 12
76 to 305
DVP12MI 3 to 12
76 to 305
DVP24MI 3 to 24
76 to 610
Figure 7.2 DVP Pipe Effective Length
26
8-1/2 in.
This appliance is approved for use with Hearth & Home
Technologies DVP or SLP venting systems. Refer to Section 16B for vent component information.
E. Vent Diagrams
Top Vent - Horizontal Termination
Note: The CD series fireplaces can adapt to SLP series
vent pipe, if desired.
4 ft min.
(1.22 m)
When venting off the top of the unit, use a DVP-2SL adapter
and a minimum 48 inch vertical section of SLP series vent
pipe.
A DVP-SLP24 adapter may also be used with a 24 inch
vertical section of SLP series vent pipe.
After the 48 inch vertical section, the venting table rules
must be followed. The first 48 inch vertical section is NOT
counted as part of the vertical components in the table. It is
still counted as part of the overall maximum run. All venting
table rules for the vent run must still be followed.
20 ft max.
(6.10 m)
Example: DVP pipe 3 ft. min. vertical = 11 ft. max. horizontal
SLP pipe 7 ft. min. vertical = 11 ft. max. horizontal
WARNING
Top Vent—Horizontal Termination—Two 45º Elbows
Installation requirements to replace the first 90º elbow
with two 45º elbows:
Figure 7.3
Fire Risk. Explosion Risk.
Do NOT pack insulation or other combustibles
between ceiling firestops.
• ALWAYS maintain specified clearances around
venting and firestop systems.
• Install wall shield and ceiling firestops as specified.
Failure to keep insulation or other material away
from vent pipe may cause fire.
WARNING
Fire Risk.
• When using DVP-HRC-SS and DVP-HRC-ZCSS termination caps on top vented fireplaces, a
6 inch minimum vertical vent section is required
before installing first elbow.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
27
Top Vent - Horizontal Termination
V1 Minimum
One Elbow
Elbow only
V1
H1 Maximum
2 ft
610 mm
1/2 ft.
152 mm
6 ft.
1.8 m
1 ft.
305 mm
11 ft.
3.4 m
1-1/2 ft.
457 mm
18 ft.
5.5 m
2 ft.
610 mm
25 ft.
7.6 m
V1 + H1 = 40 ft. (12.2 m) Maximum
H1 = 25 ft. (7.6 m) Maximum
H1
Note: For corner installations: A 6 inch (152
mm) section of straight pipe may need to
be attached to the appliance before a 90º
elbow, to allow the vent pipe to clear the top
standoffs.
Figure 7.4
Two Elbows
Note: For corner installations: A 6 inch
(152 mm) section of straight pipe may
need to be attached to the appliance
before a 90º elbow, to allow the vent
pipe to clear the top standoffs.
V1 Minimum
Elbow only
1/2 ft.
152 mm
H1 + H2 Maximum
2 ft
610 mm
6 ft.
1.8 m
1 ft.
305 mm
11 ft.
3.4 m
1-1/2 ft.
457 mm
18 ft.
5.5 m
2 ft.
610 mm
25 ft.
7.6 m
V1 + H1 + H2 = 40 ft. (12.2 m) Maximum
H1 + H2 = 25 ft. (7.6 m) Maximum
V1
H2
H1
INSTALLED
HORIZONTALLY
Figure 7.5
28
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
Top Vent - Horizontal Termination - (continued)
Three Elbows
V1 Min.
H1 Max.
Elbow only
V2 Min.
H2 Max.
2 ft.
610 mm
0 in.
0 mm
1 ft.
305 mm
6 in.
152 mm
3 ft
914 mm
6 in.
152 mm
2 ft.
610 mm
1 ft.
305 mm
6 ft.
1.8 m
1 ft.
305 mm
6 ft.
1.8 m
2 ft.
610 mm
11 ft.*
3.4 m*
2 ft.
610 mm
10 ft.*
3.1 m*
3 ft.
914 mm
16 ft *
4.9 m*
3 ft.
914 mm
14 ft.*
4.3 m*
*H1 + H2 = 20 ft. (6.1 m) Maximum
H2
V1 + V2 + H1 + H2 = 40 ft. (12.2 m) Maximum
V2
H1
V1
Figure 7.6
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
29
Top Vent - Vertical Termination
Flue Restrictor Instructions
No Elbow
1. Remove exhaust shield using a 1/4 inch nut driver by
removing the four screws securing it in place (see Figure
7.8).
V1 = 60 ft. Max. (18.3 m)
V1 = 3 ft. Min. (914 mm)
Note: If installing a vertical vent/
termination off the top of the appliance, the flue restrictor should
be used.
EXHAUST
SHIELD
FLUE
RESTRICTOR
Figure 7.8
V1
2. Break the flue restrictor into two pieces. Do this by
bending the part back and forth until it breaks (see
Figure 7.9).
BREAK
HERE
Figure 7.9 Flue Restrictor
Figure 7.7
30
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
Top Vent - Vertical Termination (continued)
3. Match the amount of vertical you have in the system
with the chart to find the appropriate position to set the
Flue Restrictor (see Figure 7.10).
TOP VENT
4. Center the Flue Restrictor on vent and secure in place
by using two self-tapping screws (see Figure 7.8 and
Figure 7.11).
5. Reinstall the Exhaust Shield.
REAR VENT
Vertical
NG
LP
NG
LP
4 ft.
1-1
No
Restrictor
No
Restrictor
No
Restrictor
8 ft.
2-2
1-2
1-1
No
Restrictor
15 ft.
3-3
3-2
2-2
1-2
20 ft.
3-4
3-3
3-3
2-3
25 ft.
3-4
3-3
3-3
2-3
30 ft.
4-4
3-4
3-4
3-3
35 ft.
4-4
3-4
3-4
3-3
40 ft.
4-4
4-4
4-4
3-4
50 ft.+
4-4
4-4
4-4
4-4
1
2
3
4 5
SETTING
1
2
3
4 5
Figure 7.11
Figure 7.10
Note: If the DVP-2SL or DVP-SLP24 adapter is used with
SLP pipe, you MUST subtract one number from the table
above.
Example: Top vent 40 ft vertical with DVP pipe = 4-4
Top vent 40 ft vertical with SLP pipe = 3-3
V1
Two Elbows
H1 Maximum
Elbow only
V2
V1 + V2 Min.
2 ft.
610 mm
*
*
*
6 in.
152 mm
6 ft.
1.8 m
*
*
*
2 ft.
610 mm
11 ft.
3.4 m
*
*
*
3 ft.
914 mm
16 ft.
4.9 m
*
*
*
4 ft.
1.2 m
20 ft.
6.1 m
*
*
*
V1 + V2 + H1 = 60 ft. (18.3 m) Maximum
*No specific restrictions on this value EXCEPT
V1 + V2 + H1 cannot exceed 60 ft (15.2 m)
V2
H1
V1
Figure 7.12
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
31
Top Vent - Vertical Termination - (continued)
V1
Three Elbows
H1 + H2
Elbow only
V2
V1 + V2 Minimum
H1 + H2 Maximum
1 ft.
305 mm
*
*
*
1 ft.
305 mm
6 in.
152 mm
2 ft.
610 mm
*
*
*
2 ft.
610 mm
1 ft.
305 mm
2 ft.
610 mm
*
*
*
2 ft.
610 mm
2 ft.
610 mm
4 ft.
1.2 m
*
*
*
4 ft.
1.2 m
3 ft.
914 mm
9 ft.
2.7 m
*
*
*
9 ft.
2.7 m
4 ft.
1.2 m
18 ft.
5.5 m
*
*
*
18 ft.
5.5 m
H1 + H2 = 20 ft. (6.1 m) Maximum
V1 + V2 + H1 + H2 = 60 ft. (18.3 m) Maximum
V2
H1
H2
V1
INSTALLED
HORIZONTALLY
Figure 7.13
32
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
Rear Vent - Horizontal Termination
H1 = 18 in. (457 mm) Maximum
No Elbow
H1
Figure 7.14
One 45º Elbow
H1= 12 in. (305 mm) Maximum CD4236IR
H1= 15 in. (381 mm) Maximum CD4842IR
H1
Figure 7.15
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
33
Rear Vent - Horizontal Termination - (continued)
Two Elbows
H1 Maximum
V1 Minimum
1 ft.
305 mm
Back to Back
90º Elbows
2 ft.
610 mm
6 in.
3 ft.
914 mm
3 ft.
914 mm
3 ft.
3 ft.
H2
H1 + H2 Maximum
1 ft.
305 mm
2 ft.
610 mm
152 mm
2 ft.
610 mm
4 ft.
1.2 m
1 ft.
305 mm
2 ft.
610 mm
5 ft.
1.5 m
2 ft.
610 mm
4 ft.
1.2 m
7 ft.
2.1 m
914 mm
3 ft.
914 mm
9 ft.
2.7 m
12 ft.
3.7 m
914 mm
4 ft
1.2 m
17 ft.
5.2 m
20 ft.*
6.1 m*
V1 + H1 + H2 = 40 ft. (12.2 m) Maximum H1 = 3 ft. (914 mm) Maximum
*H1 + H2 = 20 ft (6.1 m) Maximum
V1
H2
H1
Figure 7.16
H1 Maximum
Three Elbows
INSTALLED
HORIZONTALLY
V1 Minimum
H2+ H3
Back to Back
90º Elbows
1 ft.
305 mm
2 ft.
610 mm
6 in.
3 ft.
914 mm
3 ft.
914 mm
3 ft.
3 ft.
H1+ H2+ H3 Max.
1 ft.
305 mm
2 ft.
610 mm
152 mm
1.5 ft.
457 mm
3.5 ft.
1.1 m
1 ft.
305 mm
2 ft.
610 mm
5 ft.
1.5 m
2 ft.
610 mm
4 ft.
1.2 m
7 ft.
2.1 m
914 mm
3 ft.
914 mm
9 ft.
2.7 m
12 ft.
3.7 m
914 mm
4 ft.
1.2 m
12 ft.
3.7 m
15 ft.
4.6 m
V1+ H1+ H2+ H3= 40 ft. (12.2 m) Maximum H1= 3 ft. (914 mm) Maximum
H1+ H2+ H3= 20 ft. (6.1 m) Maximum
H3
H2
V1
H1
Figure 7.17
34
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
Rear Vent - Vertical Termination
V1 Minimum
One Elbow
H1 Maximum
6 in.
152 mm
2 ft.
610 mm
1 ft.
305 mm
3 ft.
914 mm
2 ft.
610 mm
5 ft.
1.5 m
3 ft.
914 mm
7 ft.
2.1 m
4 ft.
1.2 m
8 ft.
2.4 m
5 ft.
1.5 m
8 ft.
2.4 m
V1 + H1 = 40 ft. (12.2 m) Maximum
H1 = 8 ft. (2.4 m) Maximum
V1
H1
Figure 7.18
V1 Minimum
Two Elbows
Back to Back 90º Elbows
H1 + H2 Maximum
3 ft.
914 mm
2 ft.
610 mm
6 ft.
1.8 m
4 ft.
1.2 m
9 ft.
2.7 m
6 ft.
1.8 m
12 ft.
3.7 m
8 ft.
2.4 m
15 ft.
4.6 m
V1 + H1 = 40 ft. (12.2 m) Maximum
H1 + H2 = 8 ft. (2.4 m) Maximum
V1
INSTALLED
HORIZONTALLY
H1
H2
Figure 7.19
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
35
Rear Vent - Vertical Termination - (continued)
H1 Maximum
Three Elbows
V2
V1 Minimum
H2
H1 + H2 Maximum
2 ft.
610 mm
6 in.
152 mm
2 ft.
610
mm
4 ft.
1.2 m
3 ft.
914 mm
1 ft.
305 mm
4 ft.
1.2 m
7 ft.
2.1 m
5 ft.
1.5 m
2 ft.
610 mm
6 ft.
1.8 m
11 ft.
3.4 m
7 ft.
2.1 m
3 ft.
914 mm
8 ft.
2.4 m
15 ft.
4.6 m
8 ft
2.4 m
4 ft.
1.2 m
10 ft.
3.1 m
18 ft.
5.5 m
V1 + V2 + H1 + H2= 40 ft (12.2 m) Max.
H1= 8 ft (2.4 m) Max.
H1 + H2 = 20 ft (6.1 m) Max.
H2
V1
Figure 7.20
H1
Three Elbows
H1
H2
H3
V1 Minimum
*
*
*
8 ft.
2.4 m
6 ft.
1.8 m
*
*
*
9 ft.
2.7 m
7 ft.
2.1 m
*
*
*
10 ft.
3.1 m
8 ft.
2.4 m
*
*
*
10 ft.
3.1 m
8 ft.
2.4 m
V1 + H1 + H2 + H3 = 40 ft. (12.2 m) Maximum
*No specific restrictions on this value EXCEPT
V1 + H1 + H2 + H3 cannot exceed 40 ft. (12.2 m) Maximum
H1 + H2 + H3 = 8 ft. (2.4 m) Maximum
V1
H3
H1
H2
Figure 7.21
36
H1 + H2 + H3 Maximum
INSTALLED
HORIZONTALLY
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
8
Vent Clearances and Framing
A. Pipe Clearances to Combustibles
B. Wall Penetration Framing
WARNING! Risk of Fire! Maintain air space clearance to
vent. DO NOT pack insulation or other combustibles:
Combustible Wall Penetration
• Between ceiling firestops
• Between wall shield firestops
• Around vent system
Failure to keep insulation or other material away from
vent pipe may cause over heating and fire.
Note: Heat shields MUST overlap by a minimum of 1-1/2 in. (38 mm).
• DVP heat shield - designed to be used on a wall 4 in. to 7-1/4 in. (102 mm to 184
mm) thick.
• If wall thickness is less than 4 in. the existing heat shields must be field trimmed. If
wall thickness is greater than 7-1/4 in. a DVP-HSM-B will be required.
• SLP heat shield - designed to be used on a wall 4-3/8 in. to 7-5/8 in. (111 mm to
194 mm thick).
• If wall thickness is less than 4-3/8 the existing heat shields must be field trimmed.
If wall thickness is greater than 7-5/8 in. a DVP-HSM-B will be required.
(DVP-SLP Pipe Shown)
3 in. (76 mm)
top clearance
Heat
Shield
3 in. (76 mm)
top clearance *
Heat
Shield
1 in. (25 mm)
clearance around
vertical sections
1 in. (25 mm)
clearance
bottom & sides
Wall
Shield
Firestop
Whenever a combustible wall is penetrated, you must
frame a hole for the wall shield firestop(s). The wall shield
firestop maintains minimum clearances and prevents cold
air infiltration.
• The opening must be framed on all four sides using the
same size framing materials as those used in the wall
construction.
• SLP pipe - A wall shield firestop must be placed on each
side of an interior wall. A minimum 1-1/2 in. (38 mm)
overlap of attached heat shields must be maintained.
• DVP pipe - A wall shield firestop is required on one side
only on interior walls. If your local inspector requires a
wall shield firestop on both sides, then both wall shield
firestops must have a heat shield (refer to Section 16.B.)
attached to them.
• See Section 10.L. for information for regarding the installation of a horizontal termination cap.
Non-Combustible Wall Penetration
If the hole being penetrated is surrounded by noncombustible materials such as concrete, a hole with diameter
one inch greater than the pipe is acceptable.
Whenever a non-combustible wall is penetrated, the wall
shield firestop is only required on one side and no heat
shield is necessary.
WALL
3 in. (76 mm)
top clearance *
Heat
Shield
Heat
Shield
Wall
Shield
Firestop
1 in. (25 mm)
clearance
bottom & sides
10 in.
12 in.
C
D
10 in.
WALL
* When using SLP or SL-D pipe, minimum clearances from the vent pipe to combustible materials at inside wall firestops are: Top: 2-1/2 in. (64 mm)
Bottom: 1/2 in. (13 mm)
Sides: 1 in. (25 mm)
A*
12 in.
B*
Figure 8.1 Horizontal Venting Clearances To Combustible
Materials
CD4236
CD4842
in.
mm
in.
mm
A*
42-3/4
1086
44-3/4
1137
B*
27-7/8
708
29-7/8
759
C
41-3/4
1060
44-1/8
1111
D
26-7/8
683
28-7/8
733
* Shows center of vent framing hole for top or rear venting. The center of the
hole is one (1) in. (25.4 mm) above the center of the horizontal vent pipe.
Figure 8.2 Wall Penetration
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
37
C. Install the Ceiling Firestop
A ceiling firestop MUST be used between
floors and attics.
• DVP pipe only - Frame an opening 10 in.
by 10 in. (254 mm by 254 mm) whenever
the vent penetrates a ceiling/fl oor (see
Figure 8.3).
ATTIC ABOVE
• SLP pipe only - Frame opening 9 in. x 9
in. (229 mm x 229 mm) whenever the vent
penetrates a ceiling/floor (see Figure 8.3).
• Frame the area with the same sized lumber
as used in ceiling/floor joist.
A
• The ceiling firestop may be installed above or
below the ceiling joists when installed with a
attic insulation shield. It must be under joists
between floors that are not insulated. Refer
to Figure 8.4.
• Secure with three fasteners on each side.
A
WARNING! Risk of Fire! DO NOT pack insulation around the vent. Insulation must be kept
back from the pipe to prevent overheating.
PIPE
A
DVP
10 in. (254 mm)
SLP
9 in. (229 mm)
Figure 8.3 Installing Ceiling Firestop
INSTALL ATTIC INSULATION SHIELDS
BEFORE OR AFTER INSTALLATION OF VENT SYSTEM
3 FASTENERS
PER SIDE
CEILING FIRESTOP
INSTALLED BELOW CEILING
Figure 8.4 Installing the Attic Shield
38
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
CEILING FIRESTOP
INSTALLED ABOVE CEILING
D. Install Attic Insulation Shield
WARNING! Fire Risk. DO NOT allow loose materials or
insulation to touch vent. Hearth & Home Technologies
Inc. requires the use of an attic shield.
BEND ALL TABS INWARD 90°
TO MAINTAIN CLEARANCE
AND PREVENT INSULATION
FROM FALLING INSIDE
The National Fuel Gas Code ANSI Z223.1 and NFPA 54
requires an attic shield constructed of 26 gauge minimum
metal that extends at least 2 in. (51 mm) above insulation.
Attic shields must meet specified clearance and be secured in place.
Flat Ceiling Installation
• Remove one shield from box.
NOTICE: Cut previously installed batt insulation to make
room for the attic insulation shield.
INSERT 3
SCREWS
BEND 3 TABS
OUTWARD TO
FASTEN TO CEILING
FIRESTOP-BEND
REMAINING TABS
INWARD 90 DEGREES
TO MAINTAIN
CLEARANCE
• Wrap shield around pipe if pipe is already installed in
area to be insulated.
• Match the three holes in each side and fasten with three
screws to form a tube.
• Bend three tabs on the bottom of the shield outward to
allow attachment to the ceiling firestop.
• Bend the remaining bottom tabs inward 90º to maintain
the air space between the pipe and the shield. Set the
shield on the ceiling firestop and attach to the firestop.
• Bend all tabs inward 90º around the top of the shield.
These tabs must be used to prevent blown insulation
from getting between the shield and vent pipe, and to
maintain air space clearance.
Figure 8.5 Attic Insulation Shield
E. Installing the Optional Heat-Zone® Gas Kit

• Remove the knockout from the fireplace and discard it
(see Figure 8.6).
• Center the duct collar around the exposed hole and
attach it to the fireplace with 3 screws. Note: Do this
BEFORE final positioning of fireplace.
• Determine the location for the air register/fan housing
assembly.
Vaulted Ceiling Installation
• Remove one shield from box.
NOTICE: Cut previously installed batt insulation to make
room for the attic insulation shield.
Reference the Heat-Zone® Gas kit instructions for the
remaining installation steps.
• Cut the attic insulation shield (if application is for vaulted
ceiling) to fit your ceiling pitch. Snip cut edge to recreate
1 in. bend tabs all the way around the bottom.
• Wrap shield around pipe if pipe is already installed in
area to be insulated.
• Match the three holes in each side and fasten with three
screws to form a tube.
• Bend three tabs on the bottom of the shield outward to
allow attachment to the ceiling firestop.
HEAT-ZONE® GAS
ATTACHES HERE
• Bend the remaining bottom tabs inward 90º to maintain
the air space between the pipe and the shield. Set the
shield on the ceiling firestop and attach to the firestop.
• Bend all tabs inward 90º around the top of the shield.
These tabs must be used to prevent blown insulation
from getting between the shield and vent pipe, and to
maintain air space clearance.

Figure 8.6 Heat-Zone® Cover Plate
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
39
9
Appliance Preparation
A. Top Vent
CAUTION! Risk of Cuts, Abrasions or Flying Debris.
Wear protective gloves and safety glasses during installation. Sheet metal edges are sharp.
NOTICE: Once the seal cap has been removed it CANNOT
be reattached.
NOTICE: Once appliance is set up for top or rear venting,
it CANNOT be changed at a later time.
Figure 9.1 Cut the seal cap strap across the rectangles
next to the disk. For rear vent, skip this step.
Figure 9.4 Remove the insulation basket and white insulation from the center vent pipe.
Figure 9.2 Remove the white gasket material covering
the seal cap.
Figure 9.5 Remove the insulation from the outer vent
pipe. For rear venting there is no insulation in the outer
vent pipe.
Figure 9.3 Remove the seal cap.
40
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
Figure 9.6 To attach the first section of vent pipe, make
sure to use the fiberglass gasket in the manual bag to seal
between the first vent component and the outer fireplace
wrap. Use 2 self tapping screws to secure the gasket to
the outer wrap.
Secure the first section of venting to the fireplace by screwing through the two straps left over from cutting the seal
cap strap in step 2.
Figure 9.9 Fold the center parts of the retaining band out
and use to remove the seal cap.
B. Rear Vent
NOTICE: Once the seal cap has been removed it CANNOT
be reattached.
CAUTION! Risk of Cuts, Abrasions or Flying Debris.
Wear protective gloves and safety glasses during installation. Sheet metal edges are sharp.
NOTICE: Once appliance is set up for top or rear venting,
it CANNOT be changed at a later time.
Figure 9.7 Fold the tabs toward the center of the seal cap
(90º) and remove the insulation gasket.
Figure 9.10 Discard the vent cap, remove and discard the
insulation basket.
Figure 9.8 Cut the metal retaining band and fold the
sides out.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
41
• Keep nailing tabs flush with the framing.
• Level the appliance from side to side and front to back.
• “Square” the unit by securing diagonal dimensions to
within 1/4 inch of each other. See Figure 9.13.
• Shim the appliance as necessary. It is acceptable to use
wood shims underneath the appliance.
• Secure the appliance to the framing by using nails or
screws through the nailing tabs.
• Secure the appliance to the floor by inserting two screws
through the pilot holes at the bottom of the appliance.
Figure 9.11 Attach the first vent section (it will snap into
place). Slide the insulation gasket onto the vent section,
up against the appliance and over the tabs.
A
B
C. Installing the Non-combustible Board
The factory supplied non-combustible board spans the distance from the top of the fireplace to the center of the framing
header. This board must be used. See Figure 9.12.
HEADER
Note: Diagonal dimensions (A) and (B) must be within
1/4 inch of each other.
Figure 9.13 Positioning the Appliance Squarely
Figure 9.12 Non-combustible Board
D. Securing and Leveling the Appliance
WARNING! Risk of Fire! Prevent contact with:
• Sagging or loose insulation
• Insulation backing or plastic
• Framing and other combustible materials
Block openings into the chase to prevent entry of blownin insulation. Make sure insulation and other materials
are secured.
DO NOT notch the framing around the appliance
standoffs.
Failure to maintain air space clearance may cause
overheating and fire.
The diagram shows how to properly position and secure
the appliance (see Figure 9.15). Nailing tabs are provided
to secure the appliance to the framing members.
• Bend out nailing tabs on each side.
NAILING TABS
(BOTH SIDES)
PILOT HOLES
Figure 9.14 Proper Positioning and Securing of an Appliance
• Place the appliance into position.
42
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
10
Installing Vent Pipe (DVP and SLP Pipe)
A. Assemble Vent Sections (DVP Pipe Only)
Attach Vent to the Firebox Assembly
Note: The end of the pipe sections with the lanced tabs will face
toward the appliance.
Attach the first pipe section to the starting collar:
• Lanced pipe end to the starting collar
• Inner pipe over inner collar
• Push the pipe section until all lanced tabs snap in place
• Lightly tug on pipe to confirm it has locked.
Commercial, Multi-family (Multi-level exceeding two stories), or High-Rise Applications
All outer pipe joints must be sealed with silicone with a
minimum of 300ºF continuous exposure rating, including
the slip section that connects directly to the horizontal termination cap.
Figure 10.1 High Temperature Silicone Sealant
• Apply a bead of silicone sealant inside the female outer
pipe joint prior to joining sections. See Figure 10.1
A
Lances
• Only outer pipes need to be sealed. All unit collar, pipe,
slip section, elbow and cap outer flues shall be sealed
in this manner, unless otherwise stated.
WARNING! Risk of Fire or Explosion! DO NOT break
silicone seals on slip sections. Use care when removing termination cap from slip pipe. If slip section seals
are broken during removal of the termination cap, vent
may leak.
Assemble Pipe Sections
B
Figure 10.3
Figure 10.2
Note: Make sure that the seams are not aligned to prevent
Per Figure 10.2:
unintentional disconnection.
• Start the inner pipe on the lanced end of section A into
the flared end of section B.
• Start the outer pipe of section A over the outer pipe of
section B.
• Once both vents sections are started, push firmly until
all lanced tabs lock into place.
• Lightly tug on the pipe to confirm the tabs have locked.
It is acceptable to use screws no longer than 1/2 in. (13
mm) to hold outer pipe sections together. If predrilling holes,
DO NOT penetrate inner pipe.
CORRECT
For 90º and 45º elbows that are changing the vent direction
from horizontal to vertical, one screw minimum should be
put in the outer flue at the horizontal elbow joint to prevent
the elbow from rotating. Use screws no longer than 1/2
in. (13 mm). If predrilling screw holes, DO NOT penetrate
inner pipe.
Figure 10.4 Seams
INCORRECT
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
43
B. Assemble Vent Sections (SLP Pipe Only)
C. Assemble Slip Sections
To attach the first vent component to the starting collars
of the appliance:
• Slide the inner flue of the slip section into the inner flue of
the pipe section and the outer flue of the slip section over
the outer flue of the pipe section. See Figure 10.6.
• Attach a DVP-2SL or DVP-SLP24 adapter to the starting
collar of the appliance.
• Slide together to the desired length.
• Lock the vent components into place by sliding the pipe
section onto the collar.
• Align the seam of the pipe and seam of collar to allow
engagement. Rotate the vent component to lock into
place. Use this procedure for all vent components. See
Figure 10.5.
• Slide the gasket over the first vent section and place it
flush to the appliance. This will prevent cold air infiltration.
Caulk with a minimum of 300ºF continuous exposure
rating may be used to hold the part in place.
Pilot hole
• Continue adding vent components, locking each
succeeding component into place.
Figure 10.6 Slip Section Pilot Holes
• Ensure that each succeeding vent component is securely
fitted and locked into the preceding component.
• Maintain a 1-1/2 in. (38 mm) overlap between the slip
section and the pipe section.
Commercial, Multi-family (Multi-level exceeding two stories), or High-Rise Applications
• Secure the pipe and slip section with two screws no
longer than 1/2 in. (13 mm), using the pilot holes in the
slip section. See Figure 10.7.
For Installation into a commercial, multi-family (multi-level
exceeding two stories) or high-rise applications: All outer
pipe joints must be sealed with silicone with a minimum of
300ºF continuous exposure rating, including the slip section that connects directly to the horizontal termination
cap.
• Apply a bead of silicone sealant inside the female outer
pipe joint prior to joining sections. See Figure 10.1.
• Only outer pipes need to be sealed. All unit collar, pipe,
slip section, elbow and cap outer flues shall be sealed
in this manner, unless otherwise stated.
WARNING! Risk of Fire or Explosion! DO NOT break
silicone seals on slip sections. Use care when removing termination cap from slip pipe. If slip section seals
are broken during removal of the termination cap, vent
may leak.
Figure 10.7 Screws into Slip Section
• Continue adding pipe as necessary following instructions
in “Assembling Pipe Sections.”
NOTICE: If slip section is too long, the inner and outer flues
of the slip section can be cut to the desired length.
NOTICE: When installing a vent system with an HRC
termination cap, all pipe system joints shall be sealed using
a high temperature silicone sealant.
Note: Align seams to engage pipe,
then rotate counterclockwise to lock
Figure 10.5 Adding Venting Components
• Apply a bead of silicone sealant inside the female outer
pipe joint prior to joining sections.
• Only outer pipes are sealed, sealing the inner flue is not
required.
• All unit collar, pipe, slip section, elbow and cap outer
flues shall be sealed.
44
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
D. Secure the Vent Sections
E. Disassemble Vent Sections
• Vertical runs of DVP pipe must be supported every 8 ft.
(2.44 m) after the 25 ft. (7.62 m) maximum unsupported
rise.
• Rotate either section (see Figure 10.10) so the seams
on both pipe sections are aligned as shown in Figure
10.11.
• Vertical runs of SLP pipe must be supported every 8 ft.
(2.44 m).
• Pull carefully to separate the pieces of pipe.
• Horizontal sections must be supported every 5 feet
(1.52 m).
• Vent supports or plumbers strap (spaced 120º apart)
may be used to support vent sections. See Figures 10.8
and 10.9.
• Wall shield firestops may be used to provide horizontal
support vent sections.
• SLP ceiling firestops have tabs that may be used to
provide vertical support.
WARNING! Risk of Fire, Explosion or Asphyxiation!
Improper support may allow vent to sag and separate.
Use vent run supports and connect vent sections per installation instructions. DO NOT allow vent to sag below
connection point to appliance.
Figure 10.10 Rotate Seams for Disassembly
120º
Figure 10.11 Align and Disassemble Vent Sections
Figure 10.8 Securing Vertical Pipe Sections
120º
Figure 10.9 Securing Horizontal Pipe Sections
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
45
F. Install Decorative Ceiling Components
(SLP only)
LEVEL
A decorative ceiling thimble can be installed on a flat ceiling through which the vent passes. The decorative ceiling
thimble is used to cover the firestop.
CATHEDRAL CEILING
SUPPORT BOX
• Seal the gap between the vent pipe and firestop using
silicone with a minimum of 300ºF continuous exposure
rating to prevent cold air infiltration.
• Install the decorative ceiling thimble by sliding it up to
the ceiling and attaching it using the provided screws.
A decorative cathedral ceiling support box can be installed
on a cathedral ceiling through which the vent passes.
• Use a plumb-bob to mark the center line of the venting
system on the ceiling and drill a small hole through the
ceiling and roof at this point. Locate the hole and mark
the outline of the cathedral ceiling support box on the
outside roof.
2 in. (51 mm) MIN. BELOW
FINISHED CEILING
CUT HOLE 1/8 in. (3 mm)
GREATER IN SIZE THAN
PATTERN OF SUPPORT
BOX AS IT IS PROJECTED
ONTO ROOF LINE
Figure 10.12
• Remove shingles or other roof covering as necessary to
cut the rectangular hole for the support box. Cut the hole
1/8 in. (3 mm) larger than the support box outline.
• Lower the support box through the hole in the roof until its
bottom is at least 2 in. (51 mm) below the ceiling (Figure
10.12).
• Level the support box both vertically and horizontally and
temporarily tack it in place through the inside walls into
the roof sheathing.
• Use tin snips to cut the support box from the top corners
down to the roof line and fold the resulting flaps to the
roof. See Figure 10.13.
• Nail the flaps to the roof AFTER running a bead of non
hardening sealant between the flaps and the roof.
WARNING! Risk of Fire! Clean out ALL materials from
inside the support box and complete the vertical vent run
and termination.
46
Figure 10.13
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
G. Install Metal Roof Flashing
• See minimum vent heights for various pitched roofs
(Figure 10.14) to determine the length of pipe to extend
through the roof.
CAULK
• Slide the roof flashing over the pipe sections extending
through the roof as shown in Figure 10.15.
HORIZONTAL
OVERHANG
2 FT.
MIN.
20 INCHES MIN.
VERTICAL
WALL
LOWEST
DISCHARGE
OPENING
Figure 10.15
GAS DIRECT VENT
TERMINATION CAP
X
12
ROOF PITCH
IS X/ 12
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
Roof Pitch
H (Min.) Ft.
Flat to 6/12........................................ 1.0*
Over 6/12 to 7/12 ............................ 1.25*
Over 7/12 to 8/12 .............................. 1.5*
Over 8/12 to 9/12 .............................. 2.0*
Over 9/12 to 10/12 ............................. 2.5
Over 10/12 to 11/12 ......................... 3.25
Over 11/12 to 12/12 ........................... 4.0
Over 12/12 to 14/12 ........................... 5.0
Over 14/12 to 16/12 ........................... 6.0
Over 16/12 to 18/12 ........................... 7.0
Over 18/12 to 20/12 ........................... 7.5
Over 20/12 to 21/12 ........................... 8.0
H. Assemble and Install Storm Collar
CAUTION! Risk of Cuts, Abrasions or Flying Debris.
Wear protective gloves and safety glasses during installation. Sheet metal edges are sharp.
• Connect both halves of the storm collar with two screws
(see Figure 10.16).
• Wrap the storm collar around the exposed pipe section
closest to the roof and align brackets. Insert a bolt
(provided) through the brackets and tighten the nut to
complete the storm collar assembly. Make sure the collar
is tight against the pipe section.
• Slide the assembled storm collar down the pipe section
until it rests on the roof flashing (see Figure 10.17).
• Caulk around the top of the storm collar (see Figure 10.18).
* 3 foot minimum in snow regions
Figure 10.14 Minimum Height From Roof To Lowest Discharge
Opening
NOTICE: Failure to properly caulk the roof flashing and
pipe seams may permit entry of water.
• Caulk the gap between the roof flashing and the outside
diameter of the pipe.
Figure 10.16 Assembling the Storm Collar
• Caulk the perimeter of the flashing where it contacts the
roof surface. See Figure 10.15.
• Caulk the overlap seam of any exposed pipe sections
that are located above the roof line.
Figure 10.17 Assembling the Storm Collar Around the Pipe
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
47
I. Install Vertical Termination Cap
• Attach the vertical termination cap by sliding the inner
collar of the cap into the inner flue of the pipe section
while placing the outer collar of the cap over the outer
flue of the pipe section.
• Secure the cap by driving three self-tapping screws
(supplied) through the pilot holes in the outer collar of the
cap into the outer flue of the pipe (see Figure 10.18).
TERMINATION CAP
K. Heat Shield Requirements for Horizontal
Termination
WARNING! Risk of Fire! To prevent overheating and fire,
heat shields must extend through the entire wall thickness.
• DO NOT remove the heat shields attached to the
wall shield firestop and the horizontal termination cap
(shown in Figure 10.20).
• Heat shields must overlap 1-1/2 in. (38 mm) minimum.
There are two sections of the heat shield. One section
is factory-attached to the wall shield firestop. The other
section is factory-attached to the cap. See Figure 10.20.
If the wall thickness does not allow the required 1-1/2 in.
(38 mm) heat shield overlap when installed, an extended
heat shield must be used.
• If the wall thickness is less than 4 in./102 mm (DVP)
or 4-3/8 in./ 111 mm (SLP), the heat shields on the cap
and wall shield firestop must be trimmed. A minimum
1-1/2 in. (38 mm) overlap MUST be maintained.
(1 of 3)
STORM
COLLAR
SCREWS
CAULK
• Use an extended heat shield if the finished wall thickness
is greater than 7-1/4 in. (184 mm).
• The extended heat shield may need to be cut to length
maintaining sufficient length for a 1-1/2 in. (38 mm)
overlap between heat shields.
• Attach the extended heat shield to either of the existing
heat shields using the screws supplied with the extended
heat shield. Refer to vent components diagrams in the
back of this manual.
Figure 10.18
J. Install Decorative Wall Components (SLP
only)
A decorative wall thimble can be installed on wall through
which the vent passes. The decorative wall thimble is used
to cover the wall shield firestop.
• Rest the small leg on the extended heat shield on top
of the pipe section to properly space it from the pipe
section.
Important Notice: Heat shields may not be field constructed.
• Slide the decorative wall thimble over the last section of
horizontal pipe before connecting the termination cap to
the pipe.
• Once the pipe section and the termination cap have been
connected, slide the wall thimble up to the interior wall
surface and attach with screws provided. See Figure
10.19.
Figure 10.19 Wall Thimble
48
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
L. Install Horizontal Termination Cap (DVP
and SLP Pipe)
WARNING! Risk of Fire! The telescoping flue section of
the termination cap MUST be used when connecting vent.
• 1-1/2 (38 mm) minimum overlap of flue telescoping
section is required.
Failure to maintain overlap may cause overheating and
fire.
Note: When using termination caps with factory-supplied
heat shield attached, no additional wall shield firestop is
required on the exterior side of a combustible wall.
HEAT SHIELD OR
EXTENDED
HEAT SHIELD
WALL SHIELD
FIRESTOP
• Vent termination must not be recessed in the wall. Siding
may be brought to the edge of the cap base.
SLIP SECTION
CAN BE EXTENDED
• Flash and seal as appropriate for siding material at
outside edges of cap.
• When installing a horizontal termination cap, follow
the cap location guidelines as prescribed by current
ANSI Z223.1 and CAN/CGA-B149 installation codes
and refer to Section 6 of this manual.
CAUTION! Risk of Burns! Local codes may require installation of a cap shield to prevent anything or anyone
from touching the hot cap.
NOTICE: For certain exposures which require superior
resistance to wind-driven rain penetration, a flashing kit and
HRC caps are available. When penetrating a brick wall, a
brick extension kit is available for framing the brick.
HEAT SHIELD
1-1/2 IN. (38 MM) MIN.
OVERLAP
INNER VENT
SHEATHING
OUTER VENT
INTERIOR
EXTERIOR
VENT DEPTH FROM BACK OF APPLIANCE TO
OUTSIDE SURFACE OF EXTERIOR WALL
(SEE CHART BELOW)
Figure 10.20 Venting through the wall
Cap Specification Chart
(depth without using additional pipe sections)
DVP-TRAPK1 DVP-TRAP1 DVP-TRAPK2 DVP-TRAP2
Top Vent
Rear Vent
Top Vent
Rear Vent
Depth
Depth
Depth
Depth
2-3/4 in. to
3-1/8 in. to
5-1/8 in. to
5-1/2 in. to
4-5/8 in.
5 in.
9-1/8 in.
9-1/2 in.
CD4236
CD4842
Series
DVP-HPC1 DVP-HPC1 DVP-HPC2 DVP-HPC2
Top Vent
Rear Vent
Top Vent
Rear Vent
Depth
Depth
Depth
Depth
2-3/4 in. to
3-1/8 in. to
4-7/8 in. to
5-1/4 in. to
4-7/8 in.
5-1/4 in.
9 in.
9-3/8 in.
DVP-TRAP1 can adjust 1-1/2 in. (3-1/8 to 4-5/8 in.)
DVP-TRAP2 can adjust 4 in. (5-3/8 to 9-3/8)
DVP-HPC1 can adjust 2-1/8 in. (4-1/4 to 6-3/8)
DVP-HPC2 can adjust 4-1/8 in. (6-3/8 to 10-1/2)
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
49
11
Gas Information
A. Fuel Conversion
C. Gas Connection
• Make sure the appliance is compatible with available
gas types.
• Refer to Reference Section 16 for location of gas line
access in appliance.
• Conversions must be made by a qualified service
technician using Hearth & Home Technologies specified
and approved parts.
• Gas line may be run through knockout(s) provided.
B. Gas Pressure
• Optimum appliance performance requires proper input
pressures.
• Gas line sizing requirements will be determined in ANSI
Z223.1 National Fuel Gas Code in the USA and CAN/
CGA B149 in Canada.
• Pressure requirements are:
Gas Pressure
• The gap between supply piping and gas access hole may
be caulked with caulk with a minimum of 300ºF continuous
exposure rating or stuffed with non-combustible, unfaced
insulation to prevent cold air infiltration.
• Ensure that gas line does not come in contact with outer
wrap of the appliance. Follow local codes.
• Pipe incoming gas line into valve compartment.
• Connect incoming gas line to the 1/2 in. (13 mm)
connection on manual shutoff valve.
WARNING! Risk of Fire or Explosion! Support control
when attaching pipe to prevent bending gas line.
Natural Gas
Propane
Minimum inlet pressure
5.0 in. w.c.
11.0 in. w.c.
• A small amount of air will be in the gas supply lines.
Maximum inlet pressure
10.0 in. w.c.
13.0 in. w.c.
Manifold pressure
3.5 in. w.c.
10.0 in. w.c.
WARNING! Risk of Fire or Explosion! Gas build-up during line purge could ignite.
WARNING! Risk of Fire or Explosion! High pressure
will damage valve. Low pressure may cause explosion.
• Verify inlet pressures. Verify minimum pressures when
other household gas appliances are operating.
• Install regulator upstream of valve if line pressure is
greater than 1/2 psig.
WARNING
Fire Risk.
Explosion Hazard.
High pressure will damage valve.
• Disconnect gas supply piping BEFORE
pressure testing gas line at test pressures
above 1/2 psig.
• Close the manual shutoff valve BEFORE
pressure testing gas line at test pressures
equal to or less than 1/2 psig.
Note: Have the gas supply line installed in accordance with
local codes, if any. If not, follow ANSI 223.1. Installation
should be done by a qualified installer approved and/or
licensed as required by the locality. (In the Commonwealth
of Massachusetts installation must be performed by a
licensed plumber or gas fitter).
Note: A listed (and Commonwealth of Massachusetts approved) 1/2 in. (13 mm) T-handle manual shut-off valve
and flexible gas connector are connected to the 1/2 in. (13
mm) control valve inlet.
• If substituting for these components, please consult
local codes for compliance.
50
• Purge should be performed by qualified service
technician.
• Ensure adequate ventilation.
• Ensure there are no ignition sources such as sparks
or open flames.
Light the appliance. It will take a short time for air to purge
from lines. When purging is complete the appliance will
light and operate normally.
WARNING! Risk of Fire, Explosion or Asphyxiation!
Check all fittings and connections with a non-corrosive
commercially available leak-check solution. DO NOT use
open flame. Fittings and connections could have loosened during shipping and handling.
WARNING! Risk of Fire! DO NOT change valve settings.
This valve has been preset at the factory.
D. High Altitude Installations
NOTICE: If the heating value of the gas has been reduced,
these rules do not apply. Check with your local gas utility
or authorities having jurisdiction.
When installing above 2000 feet elevation:
• In the USA: Reduce burner orifice 4% for each 1000 feet
above 2000 feet.
• In CANADA: Reduce burner orifice 10% for elevations
between 2000 feet and 4500 feet. Above 4500 feet,
consult local gas utility.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
12
Electrical Information
A. Wiring Requirements
B. IntelliFire PlusTM Ignition System Wiring
NOTICE: This appliance must be electrically wired
and grounded in accordance with local codes or, in the
absence of local codes, with National Electric Code
ANSI/NFPA 70-latest edition or the Canadian Electric
Code CSA C22.1.
• Wire the appliance junction box to 110-120 VAC. This is
required for use of optional accessories (standing pilot
ignition) or proper operation of the appliance (IntelliFire
PlusTM ignition).
• Wire the appliance junction box to 110 VAC for proper
operation of the appliance.
• A 110-120 VAC circuit for this product must be protected
with ground-fault circuit-interrupter protection, in
compliance with the applicable electrical codes, when
it is installed in locations such as in bathrooms or near
sinks.
• Plug the 6 volt transformer plug into the appliance junction
box to supply power to the unit OR install 4 AA cell
batteries (not included) into the battery pack before use.
• Low voltage and 110 VAC voltage cannot be shared
within the same wall box.
WARNING! Risk of Shock or Explosion! DO NOT wire
110V to the valve or to the appliance wall switch. Incorrect
wiring will damage controls.
FLAME
SENSE
WARNING! Risk of Shock or Explosion! DO NOT wire
IPI controlled appliance junction box to a switched circuit.
Incorrect wiring will override IPI safety lockout.
• Refer to Figure 12.1, IPI Wiring Diagram.
• This appliance is equipped with an IntelliFire PlusTM
control valve which operates on a 6 volt system.
C. Optional Accessories Requirements
• This appliance may be used with a wall switch, wall
mounted thermostat and/or a remote control.
Wiring for optional Hearth & Home Technologies approved
accessories should be done now to avoid reconstruction.
Follow instructions that come with those accessories.
• Hearth & Home Technologies recommends that IntelliFire PlusTM wireless controls be used for their features
and functionality with the IntelliFire PlusTM ignition system.
IGNITOR
TO JUNCTION
BOX (110V)
MODULE
FLAME
MODULATION
RC100
RC200
(OPTIONAL WALL CONTROLS)
ORANGE
(PILOT)
GREEN
(MAIN)
BLACK
RED
BATTERY PACK
6V DC
THERMOSTAT WIRE
ASSEMBLY / WALL
SWITCH WIRE
BROWN
GROUND
Figure 12.1 IPI Wiring Diagram
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
51
D. Electrical Service and Repair
WARNING! Risk of Shock! Label all wires prior to disconnection when servicing controls. Wiring errors can cause
improper and dangerous operation. Verify proper operation after servicing.
Romex
Connector
14/2WG
WARNING! Risk of Shock! Replace damaged wire with
type 105º C rated wire. Wire must have high temperature
insulation.
Cover Plate
outside firebox
E. Junction Box Installation
HT
If the box is being wired from the INSIDE of the appliance:
WHT B
LK
BLK
W
• Remove the screw attaching the junction box/receptacle to
the outer shell, rotate the junction box inward to disengage
it from the outer shell (see Figure 12.2).
• Pull the electrical wires from outside the appliance through
the opening into the valve compartment and secure wires
with a Romex connector. See Figure 12.2.
• Make all necessary wire connections to the junction
box/receptacle and reattach the junction box/receptacle
to the outer shell.
Copper
ground attached
to GRN screw with
GRN wire
GRN wire
inside box
NOTICE: DO NOT wire
110 VAC to wall switch.
Figure 12.2 Junction Box Detail
F. Wall Switch Installation for Fan (Optional)
• The power supply for the appliance must be brought into
a switch box.
Switch
Minimum 14-3 AWG
with Ground
Red
Black
White
Green
Junction Box
• The power can then be supplied from the switch box to the
appliance using a minimum of 14-3 with ground wire.
Switch Box
• At the switch box connect the black (hot) wire and red
(switch leg) wire to the wall switch as shown.
• At the appliance connect the black (hot), white (neutral)
and green (ground) wires to the junction box as shown.
• Add a 1/4 in. insulated female connector to the red (switch
leg) wire, route it through the knockout in the face of the
junction box, and connect to the top fan switch connector
(1/4 in. male) as shown.
52
Black
White
Green
Red
Black
White
Green
If the box is being wired to a wall mounted switch for use
with a fan (See Figure 12.3):
Knockout
Red
Figure 12.3 Junction Box Wired to Wall Switch or BC10
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
Power
Supply
Wires
13
Finishing
A. Mantel and Wall Projections
B. Facing Material
WARNING! Risk of Fire! Comply with all minimum clearances as specified. Framing closer than the minimums listed
must be constructed entirely of noncombustible materials
(i.e., steel studs, concrete board, etc.)
• Metal front faces may be covered with non-combustible
materials only.
Combustible Mantels
• Facing and/or finishing materials must not interfere with
air flow through louvers, operation of louvers or doors,
or access for service.
• Facing and/or finishing materials must never overhang
into the glass opening.
Note: All
measurements
in inches.
TO CEILING
18
12
11
10
32
9
25
8
7
19
6
18
5
17
4
16
3
15
• Observe all clearances when applying combustible
materials.
• Seal joints between the finished wall and appliance top
and sides using a 300 ºF minimum sealant. Refer to
Figure 13.3.
WARNING! Risk of Fire! DO NOT apply combustible
materials beyond the minimum clearances. Comply with
all minimum clearances to combustibles as specified in
this manual. Overlapping materials could ignite and will
interfere with proper operation of doors and louvers.
14
13
12
2-1/2
B
11
FACTORY-INSTALLED NON-COMBUSTIBLE BOARD
DO NOT REMOVE
10
5
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
Figure 13.1 Minimum Vertical and Maximum
Horizontal Dimensions
A
Mantel Legs or Wall Projections
Top of
Appliance
Drywall
A
B
39-3/4
41
millimeters
1010
1041
inches
41-3/4
48
millimeters
1060
1219
A
CD4236
B
Mantel Leg or
Perpendicular Wall
CD4842
inches
Figure 13.3 Noncombustible Facing Diagram
A 1 in. (25 mm) min.
to perpendicular wall
B 3-1/2 in. (89 mm) min.
from fireplace opening
to perpendicular wall
Figure 13.2
Mantel Leg or Wall Projections (Acceptable
on both sides of opening)
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
53
14
Appliance Setup
A. Remove Fixed Glass Assembly
See Section 14.H.
B. Remove the Shipping Materials
Remove shipping materials from inside or underneath the
firebox.
C. Clean the Appliance
Clean/vacuum any sawdust that may have accumulated
inside the firebox or underneath in the control cavity.
D. Accessories
Install approved accessories per instructions included
with accessories. Contact your dealer for a list of approved accessories.
WARNING! Risk of Fire and Electric Shock! Use ONLY
Hearth & Home Technologies-approved optional accessories with this appliance. Using non-listed accessories
could result in a safety hazard and will void the warranty.
E. Ember Placement
WARNING! Risk of Explosion! Follow ember placement
instructions. DO NOT place ember directly over burner
ports. Replace ember material annually. Improperly placed
ember material interferes with proper burner operation.
Place the Ember Material
See Figures 14.1 and 14.2. Place a small amount of
1/2 in. diameter pieces (dime-size) of ember material on
the burner top. Be careful not to cover burner ports. It is
not necessary to use the entire bag. Save the remaining
amount for future use.
Figure 14.1 Placement of Embers
Vermiculite and
lava rock
placement on
sides and front
of hearth pan.
Ember
placement
(shaded areas)
Vermiculite and
lava rock
placement on
sides and front
of hearth pan.
Figure 14.2 Placement of Embers
F. Place the Lava Rock and Vermiculite
See Figures 14.3 and 14.4. Lava rock should be evenly
spread on firebox bottom, It is not necessary to use the
entire bag. Save the remaining amount for future use.
WARNING! Risk of Explosion! Follow ember placement
instructions. DO NOT place embers directly over burner
ports. Replace ember material annually. Improperly placed
embers interfere with proper burner operation.
Ember material is shipped with this gas appliance. To place
the ember material:
• Embers CANNOT be placed directly over ports. Care
should be taken not to cover the lighting trail of ports
(from back to front).
• Place dime-size pieces of Glowing Embers® just in front
of the port trail, but not on or in between the ports (see
Figure 14.2). Care should be taken so that the ports are
not covered. Failure to follow this procedure will likely
cause lighting and sooting problems.
Figure 14.3 Placement of Lava Rock
Spread vermiculite in a light, even pattern on top of lava
rock. It is not necessary to use the entire bag. Save the
remaining amount for future use.
Figure 14.4 Placement of Vermiculite
54
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
G. Install the Log Assembly
LOG PLACEMENT INSTRUCTIONS
Log Set Assembly: LOGS-4236, LOGS-4842
Models: CNXT4236IT-C, CNXT4842IT-C,
CNXT4236IH-C, CNXT4842IH-C
CD4236IR-C, CD4842IR-C
CAUTION: Logs are fragile, handle with care.
1. Base logs have been permanently mounted on the
grate assembly. Do not attempt to remove or relocate
the logs. See Figure 1.
Log A: SRV2208-702
Log B: SRV2208-703
Log C: SRV2208-704
Log D: SRV2208-073 (4236 models)
SRV2211-073 (4842 models)
2. Be sure the left end of log A is not covering ports.
Slide the left end of log A back if it’s covering ports.
See Figure 2.
3. Left log placement (SRV2208-705) : Mate rear and front
faces of left log with indentations on rear and base logs
as shown in Figure 2 and Figure 3. Slide the left log
back.
4. Right log placement (SRV2208-706) : Place the right log
by positioning the front “V” of the log on the indentation
on the base log and resting the rear of the log on the
flat area of the rear log. See Figure 2 and Figure 4.
D
A
C
B
5. Figure 4 shows the Left and Right Logs properly placed.
Both Left and Right Logs should sit securely on the rear
and corresponding base logs.
Figure 1. Base Logs
LEFT LOG
A
BASE LOG
FLAT
AREA
REAR FACE
D
REAR LOG
RIGHT LOG
LOG A
SHOULD NOT
COVER ANY
PORTS
C
REAR LOG
B
FRONT “V”
BASE LOG
FRONT FACE
Figure 2. Left Log and Right Log Reference Points
Figure 3. Left Log in Proper Position
Figure 4. Left and Right Log in Proper Position
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
55
H. Fixed Glass Assembly
J. Air Shutter Setting
WARNING! Risk of Asphyxiation! Handle fixed glass
assembly with care. Inspect the gasket to ensure it is
undamaged and inspect the glass for cracks, chips or
scratches.
Air shutter settings should be adjusted by a qualified service technician at the time of installation. The air shutter is
set at the factory for minimum vertical vent run. Adjust air
shutter for longer vertical runs. See Figure 14.6.
• DO NOT strike, slam or scratch glass.
• DO NOT operate fireplace with glass removed, cracked,
broken or scratched.
• Replace as a complete assembly.
• Loosen the wing nut.
Removing Fixed Glass Assembly
• Pull the four glass assembly latches out of the groove on
the glass frame. Remove glass door from the appliance
(see Figure 14.5).
• Move the air handle to the right to open the air shutter.
• Move the air handle to the left to close the air shutter.
• Tighten the wing nut.
NOTICE: If sooting occurs, provide more air by opening
the air shutter.
Replacing Fixed Glass Assembly
• Replace the glass door on the appliance. Pull out and
latch the four glass assembly latches into the groove on
the glass frame.
LATCHES
(BOTH BOTTOM
AND TOP)
AIR SHUTTER WING NUT
Figure 14.6 Air Shutter
GLASS
ASSEMBLY
Air Shutter Settings
Figure 14.5 Fixed Glass Assembly
NG
LP
CD4236IR-C
1/8 in.
5/8 in.
CD4842IR-C
5/16 in.
Fully Open
I. Install Trim and/or Surround
• Install optional trim kits and/or surrounds using the
instructions included with the accessory.
• Use non-combustible materials to cover the gap between
the sheet rock and the appliance (when applicable to the
model).
56
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
15
Troubleshooting
With proper installation, operation, and maintenance your gas appliance will provide years of trouble-free service. If you do
experience a problem, this troubleshooting guide will assist a qualified service technician in the diagnosis of a problem and
the corrective action to be taken. This troubleshooting guide can only be used by a qualified service technician. Contact
your dealer to arrange a service call by a qualified service technician.
A. IntelliFire PlusTM Ignition System
Symptom
Possible Cause
1. Pilot won’t light.
A. Incorrect wiring.
The ignitor/module
makes noise, but no
B. Loose connections or electrical
spark.
shorts in the wiring.
2. Pilot won’t light,
there is no noise or
spark.
3. Pilot sparks, but
Pilot will not light.
Corrective Action
Verify “S” wire (white) for sensor and “I” wire (orange) for ignitor are
connected to correct terminals on module and pilot assembly.
Verify no loose connections or electrical shorts in wiring from module to pilot assembly. Verify connections underneath pilot assembly
are tight; also verify igniter and flame sense wires are not grounding
out to metal chassis, pilot burner, pilot enclosure, mesh screen if
present, or any other metal object.
C. Ignitor gap is too large.
Verify gap of igniter to right side of pilot hood. The gap should be
approximately .17 in. or 1/8 in. (3 mm).
A. No power, transformer installed
incorrectly, or depleted batteries.
Verify that transformer is installed and plugged into module. Check
voltage of transformer at connection to module. Acceptable readings of a good transformer are between 6.4 and 6.6 volts AC. Battery power supply voltage must be at least 4 volts. If below 4 volts,
replace batteries.
B. A shorted or loose connection in
wiring configuration or wiring harness.
Remove and reinstall the wiring harness that plugs into module. Verify there is a tight fit. Verify pilot assembly wiring to module. Remove
and verify continuity of each wire in wiring harness. Replace any
damaged components.
C. Improper wall switch wiring.
Verify that 110/VAC power is “ON” to junction box.
D. Module not grounded.
Verify black ground wire from module wire harness is grounded to
metal chassis of appliance.
A. Gas supply.
Verify that incoming gas line ball valve is “open”. Verify that inlet
pressure reading is within acceptable limits.
B. Ignitor gap is too large.
Verify gap of igniter to right side of pilot hood. The gap should be
approximately .17 in. or 1/8 in. (3 mm).
C. Module is not grounded.
Verify module is securely grounded to metal chassis of appliance.
D. Pilot valve solenoid.
Verify that 1.5 to 1.8 VDC is supplied to pilot solenoid from module.
If below 1.5 volts, replace module. If 1.5 volts or greater, replace
valve.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
57
Troubleshooting (continued)
Symptom
4. Pilot lights but continues to spark, and main
burner will not ignite.
(If the pilot continues
to spark after the
pilot flame has been lit,
flame rectification has
not occurred.)
58
Possible Cause
A. A shorted or loose connection in flame
sensing rod.
Corrective Action
Verify all connections to wiring diagram in manual. Verify
connections underneath pilot assembly are tight. Verify
flame sense or igniter wires are not grounding out to metal
chassis, pilot burner, pilot enclosure or screen if present, or
any other metal object.
B. Poor flame rectification or contaminated With fixed glass assembly in place, verify that flame is enflame sensing rod.
gulfing flame sensing rod on left side of pilot hood. Flame
sensing rod should glow shortly after ignition. With a multimeter, verify that current in series between module and
sense lead is at least 0.14 microamps. Verify correct pilot
orifice is installed and gas inlet is set to pressure specifications. Polish flame sensing rod with fine steel wool to 
remove any contaminants that may have accumulated on
flame sensing rod.
C. Module is not grounded.
Verify module is securely grounded to metal chassis of appliance. Verify that wire harness is firmly connected to the
module.
D. Damaged pilot assembly or contaminated flame sensing rod.
Verify that ceramic insulator around the flame sensing rod
is not cracked, damaged, or loose. Verify connection from
flame sensing rod to white sensor wire. Polish flame sens- 
ing rod with fine steel wool to remove any contaminants that
may have accumulated on flame sensing rod. Verify continuity with a multi-meter with ohms set at lowest range. Replace pilot if any damage is detected.
E. Module.
Turn ON/OFF rocker switch or wall switch to OFF position.
Remove ignitor wire “I” from module. Place ON/OFF rocker
switch or wall switch in ON position. If there is no spark at “I”
terminal module must be replaced. If there is a spark at “I”
terminal, module is fine.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
16
Reference Materials
A. Appliance Dimension Diagram
Dimensions are actual appliance dimensions. Use for reference only. For framing dimensions and clearances refer to Section 5.
L
M
J
K
N
TOP VIEW
H
GAS LINE
ACCESS
R
I
C
D
G
O
E
Q
B
A
P
LEFT SIDE
F
RIGHT SIDE
FRONT VIEW
Location
Inches
Millimeters
Location
Inches
Millimeters
A
41
1041
J
21
533
B
36-1/8
918
K
11-11/16
297
C
33-1/2
851
L
28-1/2
724
D
34-5/8
879
M
14-1/4
362
E
2-1/4
57
N
8-1/2
216
F
9-11/16
246
O
2-7/8
73
8-1/2
216
G
26-7/8
683
P
H
6 dia
152
Q
1
25
I
39-7/8
1013
R
40-7/8
1038
Figure 16.1 Appliance Dimensions CD4236IR-C Models
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
59
L
M
J
K
N
TOP VIEW
H
GAS LINE
ACCESS R
I
C
D
G
E
Q
O
B
P
F
A
LEFT SIDE
RIGHT VIEW
FRONT VIEW
Location
Inches
Millimeters
Location
Inches
Millimeters
A
48
1219
J
21
533
B
43-1/8
1096
K
11-11/16
297
C
34-3/8
873
L
35-1/2
901
D
36-5/8
930
M
17-3/4
451
8-1/2
216
E
2-3/8
60
N
F
9-15/16
252
O
2-7/8
73
G
28-7/8
734
P
8-1/2
216
H
6
152
Q
1
25
I
41-7/8
1064
R
42-7/8
1089
Figure 16.1 Appliance Dimensions CD4842IR-C Models
60
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
B. Vent Components Diagrams
Pipe
DVP4
Effective
Height/Length
DVP Pipe (see chart)
Effective Length
Inches
Millimeters
4
102
10-1/2 in.
(267 mm)
45 °
DVP6
6
152
DVP12
12
305
DVP24
24
610
DVP36
36
914
DVP48
48
1219
10-7/8 in.
(276 mm)
DVP45 (45º Elbow)
4-7/8 in.
( 276 mm)
DVP6A
3 to 6
76 to 152
DVP12A
3 to 12
76 to 305
DVP12MI 3 to 12
76 to 305
DVP24MI 3 to 24
76 to 610
11-3/8 in.
(289 mm)
10 in.
(254 mm)
1 in.
(25 mm)
7-3/8 in.
(187 mm)
1-1/4 in. (32 mm)
10 in.
(254 mm)
9-1/4 in.
(235 mm)
Assembled
Height: 24 in./610 mm
Diameter: 10 in./254 mm
1/2 in. TYP
(13 mm)
13-1/4 in.
(337 mm)
DVP-AS2
DVP-FS (Ceiling Firestop)
DVP90ST (90° Elbow)
12 in.
(305 mm)
1- 1/2 in.
(38 mm)
10 in.
(254 mm)
1 in.
(25 mm)
8 in.
(203 mm)
14 in.
(356 mm)
UP
5 in.
(127 mm)
12 in.
(305 mm)
6 in.
(152 mm)
DVP-HVS (Vent Support)
DVP-WS (Wall Shield Firestop)
Figure 16.2 DVP vent components
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
61
B. Vent Components Diagrams (continued)
Note: Heat shields MUST overlap by a minimum of 1-1/2 in. (38 mm). The heat shield is designed to be
used on a wall 4 in. to 7-1/4 in. (102 mm to 184 mm) thick. If wall thickness is less than 4 in. (102 mm) the
existing heat shields must be field trimmed. If wall thickness is greater than 7-1/4 in. (184 mm) a DVP-HSM-B
will be required.
8 in.
(203 mm)
Heat
Shield
15-1/8 in.
(384 mm)
Term Cap
12 in.
(305 mm)
DVP-TRAP
Horizontal Termination Cap
Max
Effective
Length
Minimum
Effective Length
Maximum
Effective Length
3-1/8 in.
4-5/8 in.
Trap1
117 mm
9-3/8 in.
137 mm
238 mm
Trap2
DVP-TRAP1
DVP-TRAP2
DVP-TRAPK1
DVP-TRAPK2
DVP-HPC1
DVP-HPC2
Figure 16.3 DVP vent components
62
79 mm
5-3/8 in.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
B. Vent Components Diagrams (continued)
31 in.
(787 mm)
13-1/4 in.
(367 mm)
24-5/8 in.
(625 mm)
27-1/2 in.
(127 mm)
24-5/8 in.
(625 mm)
13-1/4 in.
(367 mm)
RF6M
Roof Flashing Multi-pak
RF12M
Roof Flashing Multi-pak
5 in.
(127 mm)
13-3/4 in.
(349 mm)
11-7/8 in.
(302 mm)
5 in.
(127 mm)
13-7/8 in.
(352 mm)
13-3/4 in.
(349 mm)
DVP-BEK2
DVP-HPC Cap Brick Extension
BEK
Trap Cap Brick Extension
11-5/8 in.
(295 mm)
12-1/8 in.
(308 mm)
7-1/8 in.
(181 mm)
5-3/4 in.
(146 mm)
DVP-TRAPFL
Flashing
13-7/8 in.
(352 mm)
26 in.
660 mm
DVP-HSM-B
Extended Heat Shield
Figure 16.4 DVP vent components
COOL-ADD
Cap Shield
9-1/2 in.
(241 mm)
14 in.
(356 mm)
DRC-RADIUS
Cap Shield
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
63
B. Vent Components Diagrams (continued)
7-3/8 in.
(187 mm)
1-1/2 in.
(38 mm)
3-7/8 in.
(98 mm)
10-1/2 in.
(267 mm)
17-3/4 in.
(451 mm)
14 in.
(356 mm)
DVP-TV
VerticalTermination Cap
Not for use with these models
12 in.
(305 mm)
DVP-TB1
BasementVent Cap
Fillers
DVP-TRAP to DVP-HPC Side Filler Kit
12 in.
305 mm
7-1/4 in.
(184 mm)
PVK-80
12-1/2 in.
(318 mm)
(Not compatible with Intellifire Plus™.)
(For use with IPI and DSI appliances only.)
5-1/4 in.
(133 mm)
14 in.
(356 mm)
16-7/8 in.
(429 mm)
DVP-TVHW
VerticalTermination Cap (Highwind)
1 in.
(25 mm)
7-1/4 in.
(184 mm)
12 in.
(305 mm)
7-1/8 in.
(181 mm)
12-1/8 in.
(314 mm)
8-3/4 in.
(222 mm)
14 in.
(356 mm)
3/8 in. (10 mm)
1 in. (25 mm)
7-3/4 to 10-3/8 in.
(197 to 264 mm)
1-5/8 in.
(41 mm)
DVP-HPC
High Performance Cap
DVP-FBHT
FireBrickTermination Cap
Figure 16.5 DVP vent components
64
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
B. Vent Components Diagrams (continued)
Optional Wire Harness
13-5/8 IN.
346 mm
DESCRIPTION
12-1/2 IN.
318 mm
20-3/4 IN.
527 mm
PART NUMBER
10 ft. PV Wire Harness
PVI-WH10
20 ft. PV Wire Harness
PVI-WH20
40 ft. PV Wire Harness
PVI-WH40
60 ft. PV Wire Harness
PVI-WH60
80 ft. PV Wire Harness
PVI-WH80
100 ft. PV Wire Harness
PVI-WH100
Note: Wire harnesses required to power the PVI-SLP
connect to the appliance and are ordered separately from
PVI-SLP. Contact your dealer to order.
PVI-SLP
Power Vent Inline
16 IN.
406 mm
4-1/2 IN.
114 mm
15 IN.
(381 mm)
9-3/16 IN.
(233 mm)
13-5/8
(346 mm)
16-11/16 IN.
(424 mm)
SLP-LPC
SLP Low Profile Cap
12-1/2 IN.
(318 mm)
8-1/8 in.
(206 mm)
16-11/16 IN.
424 mm
13 in.
(330 mm)
Effective Length
5-3/4 to 8-3/8 in.
146 to 213 mm
5-1/2 in.
140 mm
87°
8-3/8 in.
213 mm
3°
15 in.
(381 mm)
10-1/2 in.
267 mm
10-7/8 in.
276 mm
WARNING
Fire Risk.
• When using DVP-HRC-SS and DVP-HRC-ZCSS termination caps on top vented fireplaces, a
6 inch minimum vertical vent section is required
before installing first elbow.
Figure 16.6 DVP vent components
DVP-HRC-SS
DVP-HRC-ZC-SS
HORIZONTAL TERMINATION CAP
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
65
B. Vent Components Diagrams (continued)
6-1/2 in.
165 mm
6-1/2 in.
165 mm
8-3/4 in.
222 mm
6-1/2 in.
165 mm
9-1/4 in.
235 mm
6 in.
152 mm
6-5/8 in.
168 mm
SLP45
45° Elbow
6-5/8 in.
168 mm
9-7/8 in.
251 mm
SLP90
90° Elbow
Effective Height/Length
Effective
Height/
Length
Pipe
inches
mm
SLP4
4
102
SLP6
6
152
SLP12
12
305
SLP24
24
610
SLP36
36
914
SLP48
48
1219
SLP6A
2-6
51 - 152
SLP12A
2 - 12
51 - 305
DVP-SLP24
Adapter
SLP PIPE
SLP-HVS
Horizontal Pipe
Support
SLP-FS
Ceiling Firestop
Figure 16.7 SLP Series Vent Components
66
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
SLP-WS
Wall Shield Firestop
B. Vent Components Diagrams (continued)
Note: Heat shields MUST overlap by a minimum of 1-1/2 in. (38 mm). The heat shield is designed to be
used on a wall 4 in. to 7-1/4 in. (102 mm to 184 mm) thick. If wall thickness is less than 4 in. (102 mm)
the existing heat shields must be field trimmed. If wall thickness is greater than 7-1/4 in. (184 mm) a
DVP-HSM-B will be required.
8 in.
(203 mm)
Heat
Shield
15-1/8 in.
(384 mm)
Term Cap
Max
Effective
Length
12 in.
(305 mm)
SLP-TRAP
Horizontal Termination Cap
SLP-SNKD
Snorkel
Termination Cap
SLP-CCS-BK
Cathedral Ceiling
Support Box-Black
Minimum
Effective Length
Maximum
Effective Length
3-1/8 in.
4-3/4 in.
Trap1
79 mm
121 mm
5-1/4 in.
9-1/4 in.
133 mm
235 mm
Trap2
SLP-TVHW
Vertical
Termination Cap
26 in.
660 mm
DVP-2SL
Adapter
SLP-DCF-BK
Ceiling Firestop
Black
DVP-HSM-B
Extended Heat Shield
SLP-WT-BK
Wall Thimble-Black
Figure 16.8 SLP Series Vent Components
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
67
WARNING
Fire Risk.
• When using SLP-HRC-SS and SLP-HRC-ZCSS termination caps on top vented fireplaces,
a one foot minimum vertical vent section is
required before installing first elbow.
• When using DVP-TB1 termination cap on top vented
fireplaces, a three foot minimum vertical vent section is
required before installing first elbow.
8-1/8 in.
(206 mm)
13 in.
(330 mm)
Effective Length
5-3/4 to 8-3/8 in.
146 to 213 mm
5-1/2 in.
140 mm
8-3/8 in.
213 mm
3°
87°
15 in.
(381 mm)
10-1/2 in.
267 mm
10-7/8 in.
276 mm
SLP-HRC-SS
SLP-HRC-ZC-SS
HORIZONTAL TERMINATION CAP
1 in.
(25 mm)
7-1/4 in.
(184 mm)
14 in.
(356 mm)
PVK-80
(For use with IPI and DSI appliances only.)
3/8 in. (10 mm)
1 in. (25 mm)
7-3/4 to 10-3/8 in.
(197 to 264 mm)
C
DVP-FBHT
FireBrickTermination Cap
D
B
A
LDS33/LDS46 Decorative Shroud
A
B
D
in.
LDS33
36
914
36
914
8.5
216
11
279
LDS46
48
1219
72
1829
8.5
216
11
279
mm
in.
Figure 16.9
68
C
Catalog #
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
mm
in.
mm
in.
mm
CD4236IR-C, CD4236ILR-C
C. Service Parts
36 in. Caliber - DV
Beginning Manufacturing Date: Dec 2009
Ending Manufacturing Date: ______
Log Set Assembly
7
9
4
5
6
10
1
3
8
2
16 15
17
11
14
12
21
13
18
20
19
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement parts
for your appliance please provide model number and serial number. All parts listed in this manual
may be ordered from an authorized dealer.
ITEM
DESCRIPTION
COMMENTS
Stocked
at Depot
PART NUMBER
Log Assembly
LOGS-4236
1
Log #1
SRV2208-702
2
Log #2
SRV2208-703
3
Log #3
SRV2208-704
4
Log #4
SRV2208-073
5
Log #5
SRV2208-705
6
Log #6
SRV2208-706
7
Insulation Board
2166-136
8
Refractory Back
Y
2207-720
Left
2207-721
Right
2207-722
9
Refractory Side
10
Glass Heat Shield
11
Grate Assembly
2208-015
Burner Assembly NG
2207-007
Y
Burner Assembly LP
2207-008
Y
13
Burner Skirt
2208-102
14
Glass Assembly
GLA-6000G
Y
15
Mesh Assembly
530-382A
Y
16
Hood
SRV60-143-BK
17
Louver Assembly, Top
2208-021
18
Louver Assembly, Bottom
19
Valve Assembly
20
Base Pan
2208-100
21
Junction Box (Plastic)
4021-013
12
2207-723
2208-020
Refer to valve page
Y
Additional service part numbers appear on following page.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
69
CD4842IR-C, CD4842ILR-C
Service Parts
Beginning Manufacturing Date: Dec 2009
Ending Manufacturing Date: ______
42 in. Caliber - DV
Log Set Assembly
5
4
7
8
9
6
1
3
10
2
16 15
22
14
11
12
17
13
21
18
20
19
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement parts for
your appliance please provide model number and serial number. All parts listed in this manual may
be ordered from an authorized dealer.
ITEM
DESCRIPTION
COMMENTS
PART NUMBER
Log Assembly
LOGS-4842
1
Log #1
SRV2208-702
2
Log #2
SRV2208-703
3
Log #3
SRV2208-704
4
Log #4
SRV2211-073
5
Log #5
SRV2208-705
6
Log #6
SRV2208-706
7
Insulation Board
2170-136
8
Refractory Back
2210-720
9
Refractory Side
10
Glass Heat Shield
2210-723
11
Grate Assembly
2211-015
Burner Assembly NG
2210-007
Y
Burner Assembly LP
2210-008
Y
13
Burner Skirt
2208-102
14
Glass Assembly
GLA-950TR
Y
15
Screen Assembly
560-382A
Y
16
Hood
SRV560-175
17
Louver Assembly, Top
2210-021
18
Louver Assembly, Bottom
2210-020
19
Valve Assembly
20
Base Pan
21
Junction Box (Plastic)
4021-013
22
Exhaust Cover Shield
385-105
12
Left
2210-721
Right
2210-722
Y
Refer to valve page
2211-100
Additional service part numbers appear on following page.
70
Stocked
at Depot
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
Y
Service Parts
CD4236IR-C, CD4236ILR-C, CD4842IR-C, CD4842ILR-C
Beginning Manufacturing Date: Dec 2009
Ending Manufacturing Date: ______
#19 Valve Assembly
19.1
19.13
19.2
19.11
19.3
19.5
19.12
19.4
19.6
19.10
19.9
19.7
19.8
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement parts
for your appliance please provide model number and serial number. All parts listed in this manual
may be ordered from an authorized dealer.
ITEM
19.1
DESCRIPTION
COMMENTS
Stocked
at Depot
PART NUMBER
Pilot Assembly - NG
2208-012
Y
Pilot Assembly - LP
2208-013
Y
SRV485-301
Y
Pilot Tube
19.2
Pilot Bracket
2208-101
19.3
Burner Leg
2208-106
19.4
Valve Bracket
2118-104
19.5
Battery Pack**
2166-323
Y
19.6
Power Supply
2166-305
Y
19.7
Flex Ball Valve Assembly
302-320A
Y
Valve - NG
2166-302
Y
Valve - LP
2166-303
Y
303-315/5
Y
19.8
19.9
Male Connector
Pkg of 5
19.10
Bulkhead W/ Fllex
7000-156
Y
19.11
Shutter Bracket Assembly
2118-121
Y
19.12
Wire Harness
2166-304
Y
19.13
Module
2166-307
Y
Orifice (#37C) - NG
582-837
Y
582-852
Y
582-833
Y
582-851
Y
CD4236IR-C
Orifice (#52C) - LP
Orifice (#33C) - NG
CD4842IR-C
Orifice (#51C) - LP
**Fuse for battery pack can be sourced locally, not a warranty item. Specs are 500mA~10A 3/4” long
Additional service part numbers appear on following page.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
71
Service Parts
CD4236IR-C, CD4236ILR-C, CD4842IR-C, CD4842ILR-C
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement
parts for your appliance please provide model number and serial number. All parts listed
in this manual may be ordered from an authorized dealer.
ITEM
DESCRIPTION
COMMENTS
PART NUMBER
Clips, Hood
Pkg of 24
047-805-24
Y
Clips, Mesh
Pkg of 24
2005-192-24
Y
Exhaust Cover Shield
385-105
Flue Restrictor
385-128
Gasket Assembly
2166-081
Includes Burner Neck, Vent, Valve LED, and Air Shutter Gaskets
Glass Clip Support Assembly
33858/2
Y
Jumper Wires
2187-198
Y
Lava Rock Bag Assembly
4040-094
Pkg of 2
Lava Rock
4021-297
Mineral Wool
14333B
Vermiculite (small)
28746
CD4236IR-C
Surround Assembly
CD4842IR-C
Thermostat Wire Assembly
Conversion Kit NG
Conversion Kit LP
Conversion Kit NG
Conversion Kit LP
72
Stocked
at Depot
CD4236IR-C
CD4842IR-C
2166-019
2170-019
2118-170
Y
DCKVN-CAL36
Y
DCKVP-CAL36
Y
DCKVN-CAL42
Y
DCKVP-CAL42
Y
Orifice, Pilot NG
593-528
Y
Orifice, Pilot LP
593-527
Y
Regulator NG
NGK-DXV-50
Y
Regulator LP
LPK-DXV-50
Y
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
D. Contact Information
Heatilator, a brand of Hearth & Home Technologies Inc.
7571 215th Street West, Lakeville, MN 55044
www.heatilator.com
Please contact your Heatilator dealer with any questions or concerns.
For the location of your nearest Heatilator dealer,
please visit www.heatilator.com.
- NOTES ________________________________________________________________________________
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NOTICE
DO NOT DISCARD THIS MANUAL
• Important operating
and maintenance
instructions included.
• Read, understand and follow
these instructions for safe
installation and operation.
• Leave this manual with
party responsible for use
and operation.
This product may be covered by one or more of the following patents: (United States) 5328356, 5601073, 5613487,
5647340, 5890485, 5941237, 5947112, 5996575, 6006743, 6019099, 6053165, 6145502, 6170481, 6374822, 6484712,
6601579, 6769426, 6863064, 7077122, 7098269, 7258116, 7470729 or other U.S. and foreign patents pending.
2000-945
Printed in U.S.A. - Copyright 2011
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
73