Vermont Castings | Vent Free Gas Heater JUVSR 3096, JUVSM 3096 | Specifications | Vermont Castings Vent Free Gas Heater JUVSR 3096, JUVSM 3096 Specifications

Vermont Castings Jefferson Vent Free Gas Heater
INSTALLER / CONSUMER
SAFETY INFORMATION
PLEASE READ THIS MANUAL
BEFORE INSTALLING AND USING
APPLIANCE.
Jefferson
WARNING!
IF THE INFORMATION IN THIS
MANUAL IS NOT FOLLOWED
EXACTLY, A FIRE OR EXPLOSION
MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
Models: JUVSR & JUVSM
3095, 3096, 3097, 3100,
3101, 3102, 3105, 3106,
3107, 3110, 3111, 3112
®
Vent Free Gas Heater
FOR YOUR SAFETY
Improper installation, adjustment, alteration, service or maintenance can cause
injury or property damage. Refer to this
manual for correct installation and operational procedures. Installation and service
must be performed by a qualified installer,
service agency or the gas suppler.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electric switch; do
not use any phone in your building.
• Immediately call your gas supplier
form your neighbor’s phone. Follow
the gas supplier’s instructions.
• If you cannot reach your gas supplier,
call the fire department.
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE
VAPORS AND LIQUIDS IN THE
VICINITY OF THIS OR ANY OTHER
APPLIANCE.
This is an unvented gas-fired
heater. It uses air (Oxygen) from
the room in which it is installed.
Provisions for adequate combustion and ventilation air must be
provided.
Homeowner’s Installation
and Operation Manual
Tested and listed to ANSI Z21.11.2.2000
INSTALLER: DO NOT DISCARD THIS MANUAL LEAVE FOR HOMEOWNER
20003447b / 0701
1m
Vermont Castings Jefferson Vent Free Gas Heater
ATTENTION CONSUMER:
IN ORDER TO ENSURE SAFE AND EFFECTIVE
INSTALLATION, THIS UNIT MUST BE INSTALLED
ONLY BY A QUALIFIED AGENCY, INDIVIDUAL,
FIRM, CORPORATION OR COMPANY THAT IS
EXPERIENCED IN THE INSTALLATION, REPAIR
AND SERVICING OF THIS TYPE OF APPLIANCE
AND IS FAMILIAR WITH THE BUILDING CODES
AND INSTALLATION TECHNIQUES APPROPRIATE
IN YOUR AREA. CONTACT YOUR HEARTH PRODUCTS DEALER OR LOCAL GAS SUPPLIER FOR
THE NAME OF A QUALIFIED SERVICE PERSON.
INSTALLER:
PLEASE READ THIS MANUAL CAREFULLY
BEFORE YOU BEGIN THE INSTALLATION PROCEDURES. FAILURE TO FOLLOW INSTRUCTIONS
MAY RESULT IN PROPERTY DAMAGE, BODILY
INJURY OR LOSS OF LIFE. THIS MANUAL CONTAINS IMPORTANT USER INFORMATION. KEEP
THIS MANUAL WITH THE HEATER AFTER INSTALLATION IS COMPLETE.
Table of Contents
Heater Dimensions ............................... 3
Safety Information ................................ 4
General Information ............................. 5
Installation Requirements ..................... 6
• Clearance Requirements .............. 8
Assembly Procedures .......................... 9
Operation ........................................... 12
Maintenance ....................................... 15
Troubleshooting.................................. 16
Replacement Parts ............................. 19
Warranty ............................................. 21
22
Vermont Castings Jefferson Vent Free Gas Heater
JUVS Specifications
Jefferson Vent Free Gas Heater Models JUVSRN, JUVSRP, JUVSMN, JUVSMP
Fuel
Manifold Pressure Min./Max.
NG
LP
1.7”/3.5”
5.4”/11.0” (RP)
4.4”/10.0” (MP)
11.0”w.c.
14.0”w.c.
Min. Inlet Supply Pressure for adjustment: 5.5”w.c.
Max. Inlet Supply Pressure for adjustment: 14.0”w.c.
Min. Output, BTU/hr:
JUVSR
20,000
JUVSM
18.500
Max. Output, BTU/hr:
28,000
Ignition:
Piezo
Firebox Weight/shipping:
110 lbs.
Accessories
#2960 FK28 Fan Kit
IMT Optional Wall Thermostat
MRC1 ZC1100 Remote Control (ON/OFF w/batteries)
MRC2 ZC1200 Remote Control (ON/OFF thermostat
w/batteries)
MRC3 ZC1300 Remote Control (LCD ON/OFF
thermostat, timer w/batteries)
21,000
18.500
28,000
This appliance may be installed in an aftermarket*
manufactured (mobile) home, where not prohibited
by state or local codes.
This appliance is only for use with the type of gas
indicated on the Rating Plate. This appliance is not
convertible for use with other gases.
*Aftermarket: Completion of sale, not for purpose of resale, from the
manufacturer.
28¹⁄₂"
(724mm)
Valve
Inlet C
L
3" (76mm)
24"
(610mm)
14¹⁄₂"
(368mm)
8"
(203mm)
3447
Fig. 1 Jefferson Vent Free dimensions.
3m
Vermont Castings Jefferson Vent Free Gas Heater
Safety Information
WARNINGS
IMPORTANT: READ THIS OWNER’S MANUAL CAREFULLY AND COMPLETELY BEFORE TRYING TO ASSEMBLE, OPERATE OR SERVICE THIS HEATER. IMPROPER USE OF THIS HEATER CAN CAUSE SERIOUS
INJURY OR DEATH FROM BURNS, FIRE, EXPLOSION, ELECTRICAL SHOCK AND CARBON MONOXIDE
POISONING.
DANGER
CARBON MONOXIDE POISONING MAY LEAD TO DEATH!
Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the flu, with headaches,
dizziness or nausea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have
the heater serviced. Some people are more affected by carbon monoxide than others. These include pregnant
women, people with heart or lung disease or anemia, those under the influence of alcohol and those at high
altitudes.
Make certain you read and understand all Warnings. Keep this manual for reference.
It is your guide to safe and proper operation of this heater.
1. Use only Natural Gas with JUVSRN, JUVSMN. Use
pages 16-17.
only Propane with JUVSRP, JUVSMP. Do not use
11. DO NOT operate this heater
any other fuels.
• where flammable liquids or vapors are used
2. Install only in accordance with the National Fuel
or stored
Gas Code, ANSIZ223.1-latest edition.
• under dusty conditions.
3. Use only the installation instructions provided by
12. The heater becomes very hot when operating.
the manufacturer for this appliance. Installation
Alert children and adults to stay away from hot
and repair should be done by a qualified service
surfaces to avoid burns or clothing ignition. The
person. The appliance should be inspected before
heater will remain hot for a time after shutdown.
use and at least annually by a professional serAllow surface to cool before touching.
vice person. More frequent cleaning may be
13. Carefully supervise young children when they are
required due to excessive lint from carpeting,
in the room with the heater.
bedding material, etc. It is imperative that control
14. Do not use the heater if any part has been excompartments, burners and circulating air pasposed to or under water. Immediately call a
sageways of the appliance be kept clean.
qualified service technician to inspect the room
4. Warning: Any change to this heater or its conheater and to replace any part of the control
trols can be dangerous. DO NOT make modificasystem and any gas control which has been
tions to any heater or associated parts.
under water.
5. DO NOT install this heater in a bedroom or
15. DO NOT operate the heater if any log is broken or
bathroom.
damaged.
6. Due to high surface temperatures, DO NOT install
16. Turn heater off and let cool before servicing. Only
this heater
a qualified service person should service and
• in a recreational vehicle,
repair heater.
• where curtains, furniture, clothing or other
17. DO NOT operate this appliance with the safety
flammable objects are less than 36 inches from
screen removed. If the safety screen is removed
the front, top or sides of the heater,
from the appliance for service or cleaning, it must
• in high traffic areas,
be replaced before operating the heater.
• in windy or drafty areas.
7. DO NOT place clothing or other flammable mateHigh Altitude Derating
rial on or near the appliance.
Input ratings are shown in BTU per hour and are for eleva8. DO NOT obstruct the top grille at all. Doing so will
tions up to 4,500 feet (1370m). For elevations above 4,500
cause high levels of carbon monoxide that will
feet (1370m) consult local building codes. Nuisance outlead to death.
ages may occur at altitudes above 4,500 feet (1370m) if
9. This heater needs fresh, outside air ventilation to
dirt, dust, lint and/or cobwebs are allowed to accumulate
operate properly. See Fresh Air Requirements on
on burner and/or ODS pilot. Monthly inspection and cleanpages 6 and 7.
ing is recommended for altitudes above 4,500 feet (1370m).
10. If heater shuts off, heater may not have enough
fresh air ventilation. Provide more fresh air. If
heater keeps shutting off, see Troubleshooting
44
Vermont Castings Jefferson Vent Free Gas Heater
General Information
Vent Free Features
Unpack the Stove
The JUVS Gas Heater is an unvented gas appliance
tested and listed to the ANSI standard Z21.11.2.2000.
The Vent Free Gas Heater is configured to use Natural
Gas, (JUVSRN, JUVSMN ) or Propane (JUVSRP,
JUVSMP). Because these heaters are clean-burning
and highly energy-efficient, no venting system is
required.
Remove the stove assembly from the shipping carton
and inspect it for loose or damaged parts. Do not install
this appliance if any parts are loose or if there is any
visual or suspected damage resulting from shipping or
handling. Report damage to your dealer/distributor
immediately. The log set is packaged in the box
shipped inside the firebox.
To remove the packaged log set from the firebox:
• Lift the stove front up and then swing the bottom out
and away to disengage it from the stove body. (Fig. 3)
Cut the wire tie securing the screen.
• Remove the screen frame. (Fig. 4)
• Remove box and set aside.
Contact your dealer if the burner is loose or damaged in
any way.
The JUVS is shipped fully assembled with the
exception of the log set. The log set is assembled
during installation.
The JUVS is equipped with a Honeywell control valve
that allows thermostatic control, on/off switch or a
remote switch (not supplied).
The JUVS model incorporates variable regulators that
allow you to adjust burner heat output between HIGH,
(28,000 BTU), and LOW, (20,000 BTU). See the
Operation Section for details.
The standing pilot incorporates an Oxygen Depletion
System (ODS/pilot) which shuts off gas flow to the
burner in the event that sufficient fresh air becomes
unavailable for continued safe operation.
Safety
Screen
Rear Log
Bracket
Pilot Hood &
Pilot
PILOT
ADJ
Rheostat
Bracket
ST229b
OFF/ON/Pilot
Control Knob
Piezo Ignitor
Fig. 3 Remove stove front.
Variable
Regulator
Supply
Line Inlet
Screen Hooks
Gas Valve
ST100
Fig. 2 JUVS gas heater. Valve may be different.
ST208b
Fig. 4 Lift screen from firebox.
5m
Vermont Castings Jefferson Vent Free Gas Heater
Installation Requirements
Fresh Air Requirements for
Combustion and Ventilation
WA R N I N G
This heater must have fresh air for proper operation. If it does not, poor fuel combustion could
result. Read the following instructions to ensure
proper fresh air supply for this and other fuelburning appliances in your home.
Modern construction standards have resulted in homes
that are highly energy-efficient and that allow little heat
loss. Your home needs to breathe, however, and all
fuel-burning appliances need fresh air to function
properly and safely. Exhaust fans, clothes dryers,
fireplaces and other fuel burning appliances use the air
inside the building. If the available fresh air supply is
insufficient to meet the demands of these appliances,
problems can result.
The JUVS heater has specific fresh air requirements. You must determine that these requirements will
be met within the space where the appliance will be
installed. The following information will help you insure
adequate fresh air is available for the heater to function
properly.
Provide for Adequate Ventilation
Any space within a home can be classified in these
categories:
1) Unusually tight construction
2) Confined space
3) Unconfined space
First, determine which classification defines the intended installation space.
Unusually Tight Construction
You must provide additional fresh air if the space falls
into this classification. Unusually Tight Construction is
defined as construction wherein:
a. Walls and ceilings exposed to the outside atmosphere have a continuous water vapor barrier with a
rating of one perm or less, with openings gasketed or
sealed, and
b. weather stripping has been added on openable
windows and doors and
c. caulking or sealants are applied to areas such as
joints around windows and door frames, between sole
plates and floors, between wall and ceiling joints,
between wall panels, at penetrations for plumbing,
electrical and gas lines and at all other openings.
If your home meets all of the above criteria, you must
provide additional fresh air for the appliance as detailed
66
on Page 7.
If your home does not meet the above criteria, follow
the procedure below.
Determine If You Have a Confined or
Unconfined Space
Use the following formula to determine if you have a
confined or unconfined space.
Space is defined as the room in which you will
install the heater, plus any adjoining rooms with
doorless passageways or ventilation grilles between the
rooms.
The National Fuel Gas Code defines a confined
space as a space whose volume is less than 50 cubic
feet per 1,000 BTU per hour input rating (4.8m3 per Kw)
of the aggregate (total) input rating of all appliances
installed in that space and an unconfined space as a
space whose volume is not less than 50 cubic feet per
1,000 BTU per hour (4.8m3 per Kw) of the aggregate
input rating of all appliances installed in that space.
Rooms communicating directly with the space in which
the appliances are installed, through openings not
furnished with doors, are considered a part of the
unconfined space.
1. Determine the volume of space (length x width x
height). Include adjoining rooms connected by doorless
passageways or ventilating grilles.
Example: A room that is 18’ x 12’ x 8’ has a volume of
1728 cubic feet. An adjoining open kitchen that is 10’ x
12’ x 8’ has a volume of 960 cubic feet. An adjoining
open dining room is 12’ x 12’ x 8’ with a volume of 1152
cubic feet. The total volume is 3840 feet. (1728 + 960 +
1152)
2. Divide the volume of space by 50 cubic feet. The
result is the maximum BTU/hour the space can support.
Example: 3840 cubic feet divided by 50 = 76.8 or
76,800 BTU/hour.
3. Add the BTU/hour ratings of all fuel-burning appliances installed in the same space, including the
following:
Gas Water Heater
Gas Fireplace Logs
Vented Gas Heater*
Gas Furnace
Vent-free Gas Heater
Other Gas Appliances*
*Do not include Direct-vent appliances as these use
outdoor air for combustion and vent to the outdoors.
Example:
Gas Range
Vent-free Logset
Total
55,000 BTU/hour
+25,000 BTU/hour
80,000 BTU/hour
Vermont Castings Jefferson Vent Free Gas Heater
4. Compare the maximum BTU/hour rating the space
can support with the total BTU/hour used by the appliances.
For further information on ventilation guidelines and
sizing specifications, follow the National Fuel Gas
Code/NFPA 54/ANSI Z223.1, Section 5.3.
Example:
If the total BTU/hour used by the appliances is less
than the maximum BTU/hr the space can support, the
room meets the Unconfined Space criteria and no
further ventilation is needed.
76,800 BTU/hour the space can support
80,000 BTU/hour used by appliances
In this example, the maximum BTU/hour that the space
can support is less than the total used by the appliances. The space is considered to be Confined Space.
Additional air must be provided to meet the requirements of the vent-free heater.
A confined space may be ventilated in two ways:
A. Open or provide at least two ventilating grilles to an
adjoining unconfined space. (Fig. 2)
Each of the two grilles must provide an opening of at
least 50 square inches, with all opening dimensions
being at least 3”. One grille must be within 12” of the
ceiling; the other within 12” of the floor. (If the total
exceeds 100,000 BTU/hour, additional grilles will be
needed.)
WA R N I N G
This heater shall not be installed in a confined
space unless provisions are made for adequate
combustion and ventilation air.
WA R N I N G
If the area in which the heater may be operated is
smaller than that defined as an unconfined space,
provide adequate combustion and ventilation air by
one of the methods described in the National Fuel
Gas Code, ANSI Z223.1, 1992 Section 5.3.
B. Vent the room directly to the outdoors. (Provide one
square inch of opening for each 4,000 BTU/hour)
Option 1 Vents to
Adjoining
Rooms
Option 3 Vents to
Adjoining
Room
Option 2 Remove Door to
Adjoining Room
VO370-2
Fig. 5 Supplementing ventilation air.
7m
Vermont Castings Jefferson Vent Free Gas Heater
Clearance Requirements
Hearth Requirements
Minimum Clearances to
Combustible Materials
The JUVS must be installed on rigid flooring. If the
appliance is installed on any combustible surface other
than wood flooring, such as carpet or tile, a metal or
wood panel must be installed to extend the full length
and width of the unit.
Maintain clearance, (empty space), between combustible materials and the heater as specified.
WA R N I N G
Alcove Clearances
• Do not install this heater in a bathroom or
D
B
B
bedroom.
A
• Installation of this heater must conform with
Local Codes or in the absence of Local
Codes, with the National Fuel Gas Code,
ANSI Z223.1.
• This heater creates warm air currents. These
ST103
C
A: Ceiling .................. 27¹⁄₂” C: Rear Wall ................... 4”
B: Side Wall .............. 4”
D: Max. Alcove Depth ..... 48”
Fig. 6 Minimum wall clearances.
Mantel Clearance
12”
10”
8”
12”
6”
10”
4”
Wall
8”
6”
2”
4”
2”
1”
1”
Stove
FP599b
Fig. 7 Mantel clearance at 45°.
NOTE: Mantel clearances will apply to an alcove
installation.
88
currents move heat to wall surfaces next to
the heater. Installing the heater next to vinyl
or cloth wall coverings or operating the
heater where impurities in the air such as
tobacco smoke exist, may discolor walls.
• Do not use a blower insert, heat exchanger
insert or other accessory not approved with
this heater.
Vermont Castings Jefferson Vent Free Gas Heater
Assembly Procedures
Optional Fan Kit Installation (2960/FK28)
1. Attach the fan to the rear shroud by engaging the
upper flange of the fan skirt under the lower edge of the
shroud and secure the skirt with the four screws and
one star washer provided. (Fig. 8, 9 )
6. Route the rheostat control switch and wire forward
under the stove. (Fig. 12) Use the wire tie to secure the
fan and rheostat wire harnesses together to the tubing
under the heater.
Pinch Grommet
to Remove
Upper
Flange
Snapstat
Bracket
To Control
Valve
Snapstat
Module
ST468
Star Washer
ST240
Fig. 10 Remove snaptstat and grommet from bracket.
Fig. 8 Place upper flange behind lower edge of shroud.
Snapstat
ST346a
ST241
Fig. 11 Attach snapstat to inner shroud.
Fig. 9 Correct position of fan skirt installation.
2. Disconnect the snapstat module from the leads
inside the snapstat bracket. (Fig. 10)
3. Bend open the snapstat bracket. use your fingers or
needle nose pliers to remove the black plastic grommet
from the bracket. Discard the grommet and bracket.
4. Secure the snapstat to the upper middle of the inner
shroud. (Fig. 11) NOTE: The snapstat location may be
reached through the front of the stove between the top
and the firebox or you may loosen the four screws
holding the rear shroud in place. Be sure to secure
shroud back into place before operation.
Rheostat
Retaining Nut
Control Knob
ST347a
Fig. 12 Attach rheostat to control panel. Valve may look
different.
5. Connect the two wires to the two snapstat extension
leads attached to the inner shroud. You may coil excess
wire up inside the rear shroud.
9m
Vermont Castings Jefferson Vent Free Gas Heater
Gas connection should be made in accordance with
current National Fuel Gas Code, ANSI Z223.1. Since
some municipalities have additional local codes, be
sure to consult you local authority.
BLK
BLK
MOTOR
Connect the gas supply and test for leaks. Use a 50/50
solution of liquid soap and water to test for leaks at gas
fittings and joints. NEVER test with an open flame.
Light the pilot according to the directions on page 14,
before going to the next step.
BLK
SNAPSTAT
GRN
WHT
Install the Log Set
WHT
BLK
ON/OFF
RHEOSTAT
ST236
Fig. 13 Fan wiring diagram.
Connect the Gas Supply Line
Check the Rating Plate attached by a steel cable to the
firebox, to confirm that you have the appropriate firebox
for the type of fuel to be used.
This appliance should only be connected by a
qualified gas technician. Test to confirm manifold
pressures as specified below.
The Jefferson Heater and its individual shutoff
valve must be disconnected from the gas supply
piping during any pressure testing of that system at
test pressures in excess of 1/2 psig (3.5 kPa).
The Jefferson Heater must be isolated from the gas
supply piping system by closing its individual
manual shutoff valve during any pressure testing of
the gas supply piping system at test pressure equal
to or less than 1/2 psig.
1. Remove the logs from their packaging, and inspect
each piece for damage. DO NOT INSTALL DAMAGED LOGS.
2. Install the rear log 1 by centering it side to side on
the sheet metal shelf at the back of the firebox.
(Fig. 14)
3. Install the left 2 and right 3 middle logs by
engaging holes on their bottoms with pins on the
burner brackets. (Fig. 14)
4. Loosely sprinkle the lava rocks directly on top of the
burner between the decorative grate and the middle
logs. Do not place any ember material behind the
middle logs. (Fig. 15)
5. Engage the upper log 4 with the right middle log as
shown in Figure 15. Swing the top end toward the
rear of the firebox and rest on notch on top of rear
log. (Note: This log will touch the back of the
firebox.) Engage the top log 5 with the upper log
and the left middle log. (Fig. 15)
1
2
3
There must be a gas shutoff between the stove and
the supply.
In order to connect Natural Gas, use a fitting with
3/8” NPT nipple on the valve side and 1/2” natural
gas supply line with an input of 28,000 BTUs at a
manifold pressure of 3.5” and minimum inlet supply
for adjustment of 5.5” W.C.
In order to connect Propane, use a fitting with 3/8”
NPT nipple on the valve side and 1/2” propane gas
supply line with an input of 28,000 BTUs at a manifold pressure of 11.0” and minimum inlet supply for
adjustment of 11.0” W.C.
1010
Decorative Grate
Fig. 14 Install back, left and right logs.
ST223
Vermont Castings Jefferson Vent Free Gas Heater
Install ON/OFF Switch
(R Models only)
5
The switch assembly parts are found in the parts bag.
1. Attach switch assembly to left rear side of stove
shroud using two screws and existing holes in
shroud. (Fig. 17)
2. Run wires down back of stove, under bottom of rear
shroud to valve.
3. Attach wires to valve terminals. (Fig. 18)
4
Switch
Assembly
Existing
Holes
Screws
ST315
ST224
Lava Rock
TPTH
TP
Fig. 15 Install lava rock and upper logs.
TH
Fig. 17 Attach switch assembly to rear shroud.
ST228
Fig. 18 Attach switch wires to valve.
Thermostat Connection (optional)
(R Models only)
Use only a thermostat rated for 500 millivolts. Do
not use low voltage (24V) thermostats.
Check the table below for the appropriate gauge
thermostat wire to use for the length of lead required in
your installation.
ST225
Fig. 16 Completed log installation.
Thermostat Wire / Gauge
18
20
22
Maximum Run
40 feet
25 feet
16 feet
1. Install the wall thermostat in the desired location and
run the wires to the stove location. Terminate these
leads with 1/4” female connectors.
2. Connect the thermostat wires to the valve. (Fig. 18)
11m
Vermont Castings Jefferson Vent Free Gas Heater
Operation
Your First Fire
The JUVSM is equipped with an SIT control valve for
manual use only.
Locate the Pilot assembly to the right behind the
burner. (Fig. 21) Follow the lighting instructions on page
14 exactly.
LO
The JUVSR uses a Honeywell control valve that allows
thermostatic, on/off switch regulation and has a separate Piezo ignition button. (Fig. 19 or 20)
Piezo Ignitor
PILOT
F
OF
HI
Read these instructions carefully and familiarize
yourself with the burner controls of this heater.
ST573
Fig. 20 SIT control valve.
For the first fire, allow the stove to operate continuously
for six hours without using the fan. During the first fire, it
is not unusual to smell some odor associated with new
logs, paint and metal being heated. Odors should
dissipate within a few hours or so, however, you can
open a window to provide plenty of fresh air to alleviate
this condition.
Pilot and Burner Inspection
Each time you light your heater, check that the pilot
flame and burner flame pattern are as shown in Figures
23 and 24. If flame patterns are incorrect, turn the
heater off. See Troubleshooting, page 16.
Do not operate the heater until the pilot flame is correct.
Follow regular maintenance procedures as described
on page 15.
Natural Pilot
TH
Piezo Ignitor
LP Pilot
TP
ST232
TPTH
Fig. 21 Pilot assembly location.
O H
PILOT
ADJ
ON
L
I
PI
LO
T
OFF
Regulator
Control Knob
HV104
Fig. 19 Valve controls.
1212
Gas
Control Knob
Vermont Castings Jefferson Vent Free Gas Heater
Thermopile*
Pilot Orifice
Pilot
Assembly
PILOT
ADJ
ST115a
ST117a
Fig. 22 Pilot Assembly Location
Fig. 24 Correct Pilot Flame. (*JUVSM pilots do not have
Thermopile)
Lifting Flame
ST116
Fig. 23 Proper flame pattern with Regulator in HIGH
position.
Weak Flame
ST118a
Fig. 25 Examples of Incorrect Pilot Flame.
13m
Vermont Castings Jefferson Vent Free Gas Heater
Lighting And Operating Instructions
FOR YOUR SAFETY READ BEFORE LIGHTING
WARNING:If you do not follow these instructions exactly, a fire or explosion
may result causing property damage, personal injury or loss of life.
A. This heater has a pilot which must be lit
manually. When lighting the pilot follow these
instructions exactly.
B. BEFORE LIGHTING smell all around the heater
area for gas. Be sure to smell next to the floor
because some gas is heavier than air and will
settle on the floor.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any fireplace
• Do not touch any electric 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
C. Use only your hand to push in or turn the gas
control knob. Never use tools. If the knob will not
push in or turn by hand, do not try to repair it, call a
qualified service technician. Applying force or any
attempted repair may result in a fire or explosion.
D. Do not use this fireplace if any part has been under
water. Immediately call a qualified service technician to inspect the heater and to replace any part of
the control system and any gas control which has
been under water.
Lighting Instructions
1. STOP! Read the safety information above.
2. Turn off all electrical power to the fireplace.
3. For MN/MP/TN/TP appliances ONLY, go on to
Step 4. For RN/RP appliances turn the On/Off
switch to “OFF” position or set thermostat to
lowest level.
4. Open control access panel.
5. Push in gas control knob slightly and turn
to "OFF".
clockwise
T
LO
PI
ON
OFF
ON
OFF
HI
OFF
OT
PIL
Euro SIT
3/8" - 1/2"
OFF
PILOT
LO
10. Push the control knob all the way in and hold.
Immediately light the pilot by repeatedly
depressing the piezo spark ignitor until a flame
appears. Continue to hold the control knob in for
about one (1) minute after the pilot is lit. Release
knob and it will pop back up. Pilot should remain
lit. If it goes out, repeat steps 5 through 8.
SIT NOVA
Honeywell
6. 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 above. If you do not smell gas, go
to the next step.
7. Remove glass door before lighting pilot. (See
Glass Frame Removal section).
8. Visibly locate pilot by the main burner.
9. Turn knob on gas control counterclockwise
to "PILOT".
•
If knob does not pop up when released, stop
and immediately call your service technician or
gas supplier.
•
If after several tries, the pilot will not stay lit,
turn the gas control knob to "OFF" and call your
service technician or gas supplier.
11. Replace glass door.
12. Turn gas control knob to “ON” position.
13. For RN/RP appliances turn the On/Off switch to
“ON” position or set thermostat to desired setting.
14. Turn on all electrical power to the fireplace.
To Turn Off Gas To Heater
1. Turn the On/Off switch to Off position or set the
thermostat to lowest setting.
2. Turn off all electric power to the fireplace if
service is to be performed.
3. Open control access panel.
1414
4. Push in gas control knob slightly and turn
clockwise
to "OFF". Do not force.
5. Close control access panel.
Vermont Castings Jefferson Vent Free Gas Heater
Maintenance
The following procedures will help ensure that your
stove continues to perform safely and efficiently.
Firebox Cleaning and Inspection
Cleanliness is critical to correct operation of the heater.
The log set, burner, valve controls and air circulation
areas must all be kept free of dust and unobstructed by
debris. Inspect these areas before each use and clean
whenever accumulation is evident. Follow the simple
procedure outlined below.
Frequent cleaning may be necessary in living
environments subject to excessive carpet lint or pet
hair. For example, if you live with a dog that sheds
continuously, you will need to inspect the burner area
frequently and clean it as often as the accumulation
requires. In extreme conditions, it may be necessary to
clean the burner and log set monthly or bi-weekly.
This appliance should be inspected and thoroughly cleaned annually by a qualified gas technician.
Cleaning Procedure
1. Turn the burner OFF and let the heater cool completely before cleaning.
2. Remove the safety screen. (Fig. 26)
3. Carefully inspect the log set for damage. Contact
your local dealer if any damage is evident. DO NOT
OPERATE THE HEATER WITH A DAMAGED LOG
SET.
4. Use a soft-bristled brush vacuum attachment to
sweep dust or debris from the log set, pilot and
burner. Use care as the log set is fragile. Replace
log set according to instructions on pages 10 - 11.
5. Replace the screen and Front Plate. DO NOT
OPERATE THE HEATER WITH THE SAFETY
SCREEN REMOVED.
Screen Hooks
ST208b
Fig. 26 Remove screen.
Care of Cast Iron
An occasional dusting with a dry rag will help keep the
painted surfaces looking new.
Porcelain enamel surfaces shoul be cleaned with a soft
damp cloth. Do not use abrasive cleaning agents. If
necessary, use only a cleaning agent formulated
specifically for use on porcelain enamel surfaces.
WA R N I N G
Dust and debris accumulation can result in poor
performance. Inspect the valve compartment,
burner parts and log set frequently and clean
these parts monthly or as often as accumulation
warrants.
15m
Vermont Castings Jefferson Vent Free Gas Heater
Troubleshooting
Follow these procedures in the order presented.
WA R N I N G
TURN OFF HEATER AND ALLOW TO COOL
COMPLETELY BEFORE SERVICING.
CONDITION
POSSIBLE CAUSE
SOLUTION
No spark at pilot when Ignitor is
operated.
1. Ignition Electrode is disconnected
from ignition wire, broken or
incorrectly positioned.
2. Ignitor wire is broken.
3. Bad Piezo Ignitor.
1. Inspect and re-connect, replace or
repair as necessary.
1. Gas supply is turned off or supply
line shut-off valve is closed.
2. Control Knob is not in PILOT
position.
3. Control Knob not pressed in while
in PILOT position.
4. Air present in gas lines.
1. Turn on gas supply or open supply
line shut-off valve.
2. Turn Control Knob to PILOT.
The Ignitor Electrode sparks,
but Pilot does not light.
5. Inlet supply pressure is not within
correct settings.
2. Replace wire.
3. Replace Piezo Ignitor.
3. Press Control Knob in while in the
PILOT position.
4. Continue holding in Control Knob
and repeat ignition procedure until
air is bled from the lines.
5. Call local gas supplier. Adjust inlet
supply pressure to specification:
NG; 5.5” w.c.-14.0”w.c. LP; 11.0”
w.c.-14.0”w.c.
6. Call qualified gas technician.
6. Other conditions that should be
identified only by a qualified gas
technician.
Piezo Ignitor
Pilot/Main Control
Regulator
Piezo Ignitor
Pilot/Main Control
OT
TP
PI
L
PILOT
F
OF
HI
I
L
ON
TPTH
LO
PILOT
ADJ
O H
OFF
TH
ST120
Fig. 27 JUVS Honeywell Control Valve Assembly.
1616
Fig. 28 JUVS SIT Control Valve Assembly.
Vermont Castings Jefferson Vent Free Gas Heater
Troubleshooting cont’d.
CONDITION
POSSIBLE CAUSE
Pilot lights but flame goes out
when Control Knob is released.
Fig. 29 Pilot flame is lifting.
Thermopile
Thermocouple
SOLUTION
1. Control Knob not fully depressed
or held in long enough.
2. Gas supply line shut-off valve is
not fully open.
3. Thermocouple connection is loose
at the Control Valve.
1. Depress Control Knob fully and
hold in for a full 30 seconds.
4. Pilot flame does not touch the
Thermocouple. (Figs. 29, 30)
This can be caused by:
A) Incorrect gas pressure, and/or
B) other conditions that should be
identified only by a qualified
service technician.
4. A) Contact the local gas company.
Inlet supply pressure should be 5”
w.c.-8”w.c. for NG (5”w.c.-7”w.c.
over 8000 ft. elevation) and
11”w.c.-12”w.c. for LP. Adjust as
necessary.
B)Call local gas service technician.
5. Call local gas service technician.
6. Call local gas service technician.
5. Thermocouple is damaged.
6. Control Valve is damaged.
2. Fully open gas supply line shut-off
valve.
3. Inspect and tighten securely.
Fig. 30 Pilot flame is weak - does not
touch Thermocouple.
Fig. 31 Correct LP Pilot Flame.
Fig. 32 Correct NG Pilot Flame.
Pilot lights but Main Burner does
not.
1. Gas supply line shut-off valve is
not fully open.
2. Foreign material is blocking
Burner ports.
3. Main Burner orifice is clogged.
4. Thermostat or remote switch not
activated on JUVS.
5. Bad Thermopile.
1. Fully open gas supply line shut-off
valve.
2. Insptect and clear debris away
from Burner ports.
3. Call local gas service technician.
4. Set thermostat to higher temperature or check remote switch.
5. Call local gas service technician.
Main Burner shuts off and Pilot
flame goes out while in operation.
1. Insufficient fresh air.
1. Determine that adequate ventilation exists to provide sufficient
fresh air. Open a window or
provide additional ventilation. (See
Fresh Air Requirements, Pages 67)
2. Contact the local gas company.
Adjust inlet supply pressure to
specification: NG; 5”w.c.-8”w.c.
(5”w.c.-7”w.c. at elevations over
8000 ft.) LP; 11”w.c.-12”w.c.
2. Incorrect inlet supply pressure.
17m
Vermont Castings Jefferson Vent Free Gas Heater
WA R N I N G
If you smell gas:
R Models Only
On/Off Switch Wiring
• Shut off gas supply
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
ON
OFF
use any phone in your building.
neighbor’s phone. Follow gas supplier’s
instructions.
Thermopile
Black
• Immediately call your gas supplier from a
TP/TH
• If you cannot reach your gas supplier, call
the fire department.
TP
Black
TH
ST124b
ODOR DURING OPERATION
1818
Optional Thermostat Wiring
TP/TH
Thermopile
Thermostat
(Optional)
Black
Neither natural gas nor propane gas give off an
odor when burned. The nature of a vent free
combustion system, however, is such that odors
may occasionally be produced during heater
operation when impurities exist in the immediate
area. Cleaning solutions, paint, solvents, cigarette
smoke, candles, adhesives, new carpet or textiles,
etc., all can create fumes. These fumes may mix
with combustion air and can create odor. Such
odors will disappear over time, however, the
condition can be alleviated by opening a window or
otherwise providing additional ventilation to the
area.
G
TP
TH
Black
ST124c
Vermont Castings Jefferson Vent Free Gas Heater
1
2
5
6
a
3
4
b
7a,b
8
c
d
e
14
13
9
17
19a,b
c,d
15b
10
16a,b
18
11
PILOT
ADJ
PI
LO
TP
T
OFF
15a
O H
I
L
ON
TPTH
12
TH
20
LO
PILOT
F
HI
OF
15c
16c,d
21
3447
15d
The Vermont Castings Majestic Products Company reserves the right to make changes in design, materials, specifications, prices and discontinue
colors and products at any time, without notice.
Jefferson Vent Free Gas Heater
1.
1a.
1b.
1c.
1d.
1e.
2.
3.
4.
5.
6.
7a.
7b.
8.
9.
Item/Model Number
Log Set Complete
Back Log
Upper Left Log
Upper Right Log
Left Log
Right Log
Grille
Screen
Screen Frame Assembly
Manifold Assembly
Small Lava Rock Package
Burner Assembly - NG
Burner Assembly - LP
Switch ON/OFF
Burner Decorative Grate
Part Number
20003482
20003483
20003487
20003486
20003485
20003484
30000685
30000665
20003438
20003739
57897
20003130
20003334
53606
20003022
19m
Vermont Castings Jefferson Vent Free Gas Heater
JUVS
10.
11.
12.
13.
14.
15a.
15b.
15c.
15d.
16a.
16b.
16c.
16d.
17.
18.
19a.
19b.
19c.
19d.
20.
21.
(continued)
Item/Model Number
Wire Harness
Handle Damper - Maplewood
Front Handle Assembly (Brass)
Right Log Bracket
Left Log Bracket
OP Pilot (R Models) - Natural
OP Pilot (R Models) - LP
OP Pilot (M Models) - Natural
OP Pilot (M Models) - LP
Honeywell Valve - VS8421D2003 - Natural
Honeywell Valve - VS8421D2011 - LP
SIT Valve 630 - Natural
SIT Valve 630 - LP
Stove Front
Control Door
Front Orifice - LP
Front Orifice - Natural
Rear Orifice - LP
Rear Orifice - Natural
Piezo Ignitor - Honeywell Valve System
Piezo Ignitor/Cover - SIT Valve System
2020
Part Number
57265
1600664
5004240
20003019
20003020
0055464
0055465
20004435
20001357
10000235
10000242
20001354
20001355
30000683
30000686
30000513
20000130
20000130
30000512
20000062
51851
Vermont Castings Jefferson Vent Free Gas Heater
Warranty
Limited Three Year Warranty
The Vermont Castings, Majestic Products Company (Manufacturer) warrants that this Vent Free Gas Heater, Model JUV, will be
free of defects in material and workmanship for a period of three
years from the date you receive it, except that the ceramic logs
shall be warranted for one year as described below.
The Manufacturer will repair or replace, at its option, any part
found to be defective upon inspection by an Authorized Dealer.
The customer must return the defective part or the stove, with
shipping prepaid, to the Authorized Dealer or pay for any Authorized Dealer in-home travel fees or service charges for in-home
repair work. It is the dealer’s option whether the repair work will
be done in the customer’s home or in the dealer’s shop. If, upon
inspection, the damage is found to be the fault of the Manufacturer, repairs will be authorized at no charge to the customer for
parts and/or labor.
Any Vent Free Gas Heater or part thereof that is repaired or replaced during the limited warranty period will be warranted for a
period not to exceed the remaining terms of the original limited
warranty or six (6) months, whichever is longer.
Limited One Year Warranty
The following parts of the Vent Free Gas Heater are warranted
to be free of defects in material and workmanship for a period of one year from the date you receive it. These parts are
the ceramic logs. Any of the logs found to be defective will
be repaired or replaced at no charge, upon the return of said
part to an Authorized Dealer with postage prepaid.
Exclusion and Limitations
1. This warranty is transferable; however, proof of original purchase is required.
2. The Manufacturer offers no warranty on chipping of enamel
surfaces. Inspect your Vent Free Gas Heater prior to accepting it
for any damage to the enamel.
3. This warranty does not cover misuse of the Vent Free Gas
Heater as described in the Owner’s Guide, nor does it cover a
Vent Free Gas Heater that has been modified unless authorized
by a Manufacturer’s representative in writing.
4. This warranty does not cover a stove repaired by someone
other than either an Authorized Dealer or an authorized, qualified
gas agency.
5. Damage to the unit while in transit is not covered by this warranty but is subject to claim against the common carrier. Contact
the Authorized Dealer from whom you purchased your Vent Free
Gas Heater. (Do not operate the Vent Free Gas Heater as this
may negate the ability to process the claim with the carrier.)
6. Claims are not valid where the installation does not conform to
local building and fire codes or, in their absence, to the recommendations in the Owner’s Guide.
7. The Manufacturer shall have no obligation to enhance or update any unit once manufactured.
IN NO EVENT SHALL THE MANUFACTURER BE LIABLE FOR
INCIDENTAL AND CONSEQUENTIAL DAMAGES. ALL IMPLIED
WARRANTIES, INCLUDING THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS, ARE LIMITED TO THE
DURATION OF THIS WRITTEN WARRANTY. THIS WARRANTY
SUPERSEDES ALL OTHER ORAL OR WRITTEN WARRANTIES.
Some states do not allow the exclusion or limitations of incidental
or consequential damages or limitations on how long an implied
warranty lasts, so the above limitations may not apply to you.
This warranty gives you specific rights and you may have other
rights which vary form state to state.
8. The salt air environment of coastal areas, or any high-humidity
environment, can be corrosive to the porcelain enamel finish.
These conditions can promote rusting of the cast iron beneath
the porcelain enamel finish, which will cause the enamel to flake
off. This warranty does not cover damage to the finish caused by
a salt air or high-humidity environment.
How to Obtain Service
If a defect is noted within the warranty period, the customer should
contact an Authorized Dealer with the following information:
1. Name, address and telephone number of purchaser.
2. Date of purchase.
3. Serial number from the label on the back of the stove.
4. Nature of the defect or damage.
5. Any relevant information or circumstances, i.e., installation,
mode of operation when defect was noted.
A warranty claim process will then begin. The Manufacturer reserves the right to withhold final approval of a warranty claim pending a visual inspection of the defect by authorized representatives.
INSTALLER:
Please record the following information
for future reference.
Appliance Serial No. ___________________________
Appliance Type: NG ______
LP _____
Inlet Supply Pressure: _________________________
Manifold Pressure: ____________________________
Dealer: _____________________________________
________________________________________________
________________________________________________
Phone: ______________________________________
Installer: _____________________________________
_________________________________________________
________________________________________________
Phone: ______________________________________
Date Installed: _________________________________
21m
Vermont Castings Jefferson Vent Free Gas Heater
The Vermont Castings
Majestic Products Company
410 Admiral Blvd. • Mississauga, Ontario, Canada L5T 2N6 • 905-670-7885
www.majesticproducts.com • www.vermontcastings.com
© The Vermont Castings Majestic Products Company
2222
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