COZY HEDV403A and Installation And Operating Instructions Manual

COZY HEDV403A and Installation And Operating Instructions Manual

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22 Pages

Cozy HEDV253A and Cozy HEDV403A are gas-fired draft induced, power dependent direct vent wall furnaces that will operate safely and provide an efficient source of heat when installed, operated, and maintained as recommended in these installation and operating instructions.

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COZY HEDV403A and Installation And Operating Instructions Manual | Manualzz

HI-[FFIC|EHT T

VEHTWALLFUR#ACE

INSTALLATION AND

OPERATING INSTRUCTIONS

P/N 72903 August 2007

NAT.

GAS

MODEL NUWIBERS

HEDV253A HEDV403A

INSTALLER: Leave this manual with the appliance

CONSUMER: Retain this manual for future reference.

L.E GAS HEDV254A HEDV404A

Remove cabinet to access gas control knob.

WARNING: If the information in these instructions are not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

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.

hnmediatety call your gas supplier from a neighbor's phone.

Follow the gas supptier's instructions.

If you cannot reach your gas supplier, call the fire departlnent.

INSTALLATION AND SERVICE MUST BE PER-

FORMED BY A QUALIFIED INSTALLER,

SERVICE AGENCY OR THE GAS SUPPLIER.

NADE _N UoS_A_

WARNING: Operation of this furnace without the properly installed, factory furnished vent system and vent cap could result in Carbon Monoxide (CO) poisoning and possible death. For your safety, this furnace and the vent system should be inspected at least ammalty by a qualified se_wice person.

This appliance may be installed in an aftennarket, permanently located, manufactured home (USA only) or mobile home, where not prohibited by 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, unless a certified kit is used.

This unit is not approved for installation corrosive, or explosive conditions.

Such in greenhouses, conditions or environments will invalidate unsafe conditions.

involving the warranty dusty, and may wet, create

performed by a plumber or

gas fitter licensed in the Commonwealth of Massachusetts.

CONTENTS

Intro&lction......................................

Specifications and Dimensions .............

Sat}ty Rules ........................................

Clearm_ces.......................................

D3cation..........................................

Installation.......................................

Lighting Instructions .........................

Burner Orifice...................................

2

2

3

4/5

6/7

7/9

10

11

Removing Main Burner ......................

Proper Burner Flmnc ...........................

Wiring Diagrmn..................................

Sequence of Operation ......................

OptionalKits ..................................

Maintenance Instr./Service Record ......

Trouble Shooting ...............................

Parts Drawing ...................................

Paris List ..........................................

Warrmlty....................................................

11

11

12

13

14/16

17

18/19

20

21

22

INTRODUCTION

THIS IS A GAS-FIRED DRAFT INDUCED, POWER DEPENDENT DIRECT VENT WALL FURNACE

THAT WILL OPERATE SAFELY AND PROVIDE AN EFFICIENT SOURCE OF HEAT WHEN

INSTALLED, OPERATED AND MAINTAINED AS RECOMMENDED IN THESE INSTALLATION AND

OPERATING INSTRUCTIONS.

READ THESE INSTRUCTIONS THOROUGHLY BEFORE INSTALLINQ

SERVICING, OR USING THE APPLIANCE.

IF YOU DO NOT U2qDERSTAND ANY PART OF THESE

INSTRUCTIONS CONSULT LOCALAUTHORITIES, OTHER QUALIFIED INSTALLERS, SERVICE

AGENCIES, THE GAS SUPPLIER OR THE MANUFACTURER.

SPECIFICATIONS AND DIMENSIONS

Your Direct Vent Wall Furnace is shipped complete in one carton. This carton contains the furnace, vent cap, collector box, vent exhaust tube, air inlet tube, wall template with rough-in dimensions, installation and operating instructions, and wall thermostat.

Model

No.

HEDV253A

HEDV403A

HEDV254A

HEDV404A

Input

BTU/HR

Weight

25,000

40,000

25,000

40,000

Width

100 Lbs. 24-1/2"

120 Lbs. 34-5/8"

9-3/4"

9-3/4"

100 Lbs. 24-1/2"

120 Lbs. 34-5/8"

Depth

9-3/4"

9-3/4"

Height

Type

Control

CFM

NATURALGAS

2-1/4

" 24_

0-1/2 24M

LE GAS

32-1/4" 24V

30-1/2" 24V

200

500

200

5O0

AMPS

Gas

Conn.

1.88

2.18

1.88

2.18

3/8"

3/8"

3/8"

3/8"

Center

Vent to Floor

(Adj.)

MAX.

Wall

THICKNESS

MIN.

Wall

12-1/2"

12-1/2"

32"

32"

5"

5"

12-1/2"

12-1/2"

32"

32"

5"

5"

Page 2

22.

23.

24.

25.

26.

16.

17.

18.

2.

3.

4.

5.

6.

7.

,

12.

13.

14.

15.

8.

9.

10.

11.

19.

20.

21.

SAFETY RULES

Improper installation, adjustment, alteration, service, or maintenance can cause property damage, bodily injury, or death.

Use in other than a residential application may result in unsatisfactory performance, may create unsafe conditions and will invalidate the warranty.

The installation must conform with local codes or in the absence of local codes wtih the National Fuel Gas

Code, ANSI Z223.1/NFPA 54, Natural Gas and Propane Installation Code, CSA B149.1.

DO NOT INSTALL THIS FURNACE IN A RECREATIONAL VEHICLE OR TRAILER.

Do not operate wall furnace unless it is connected to the factory supplied vent system with vent cap in place.

Check the rating label attached to the wall furnace to be sure it is equipped for the type gas you intend to use.

Never use a match, candle, flame or other source of ignition to check for gas leaks.

Use only soapy water or liquid detergent.

Have your wall furnace and vent system inspected at least annually by a qualified service technician.

Before cleaning or servicing, turn off the gas and allow furnace to cool.

Do not operate wall furnace without all components properly installed (top, fiont, etc.).

Due to high temperatures, the appliance should be located out of traffic and away from furniture and

Children and adults should be alerted to the hazards of high surface temperature and should stay away to avoid burns or clothing ignition.

Young children should be carefully supervised when they are in the same room as the appliance.

Clothing or other flammable material should not be placed on or near the appliance.

INSTALLATION AND REPAIR SHOULD BE DONE BY A OUALIFIED SERVICE PERSON.

APPLIANCE SHOULD BE INSPECTED BEFORE USE AND AT LEAST ANNUALLY BY A

THE

£)UALIFIED SERVICE PERSON.

More frequent cleaning may be required due to excessive lint from carpeting, bedding material, etc. It is imperative that control compartments, burners, and circulating air passageways of the appliance be kept clean.

Do not install in a closet, alcove, or small hallway where the furnace could be isolated from the space to be heated by closing a door.

Do not put anything around the furnace or vent cap that will obstruct the flow of combustion and ventilation air.

The appliance, when installed, must be electrically grounded in accordance with local codes or, in the absence of local codes, with the latest edition of National Electrical Code, ANSI/NFPA 70, or Canadian

Electrical Code, CSA C22.1, if an external electrical source is utilized.

Never operate this furnace without the sight glass in place or with the glass broken or missing.

If it is suspected that rising water may enter the furnace, turn off the gas immediately.

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.

It is necessary to replace damaged gaskets or sealing material within the vent or air intake system.

Faifure to do so may result in property damage, personal iNmy or loss of life.

Any safety screen or guard removed for servicing must be replaced prior to operating heater.

A gas appliance must not be connected to a chinmey flue serving a separate solid fuel burning appliance.

The appliance area must be kept clear and free from combustilbe materials, gasoline and other flammable vapors and liquids.

Any safety screen or guard removed for servicing an appliance must be replaced prior to operating the appliance.

Page 3

FIGURE 1

[] Area where terminal is not permitted Vent Terminal _ Air Supply Inlet

VENT TERMINAL CLEARANCES

REFERENCELETTERTO

DRAWING

CANADIAN

INSTALLATIONSI

U.S. INSTALLATIONS2

A = Clearance above grade, veranda, porch, deck, or balcony

B = Clearance to window or door

12 Inches (30 cm) 12 Inches (30 crn)

12 Inches (30 cm) 9 Inches (23 cm) that may be opened

C = Clearance closed window to permanently

D = Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 Feet (61 cm) from the center line of the terminal

E = Clearance to unventilated soffit

F = Clearance to outside corner

G = Clearance to inside corner

H = Clearance to each side of center line extended above

12 Inches (30 cm)

18 Inches (46 cm)

18 Inches (46 cm)

9 Inches (23 cm)

18 Inches (46 cm)

18 Inches (46 cm)

12 Inches (30 cm)

12 Inches (30 cm)

3 Feet (91 cm) within a height

15 Feet (4.5m) above the meter/regulator assembly

12 Inches (30 cm)

12 Inches (30 cm)

Clearances are in accordance with local installation codes and meter/regulator assembly

I = Clearance to service regulator vent outlet

3 Feet (91 cm) the requirements of the gas supplier

Clearances are in accordance with local installation codes and

J = Clearance to nonmechanical

12 Inches (30 cm) the requirements supplier

12 Inches (30 cm) of the gas air supply inlet to building or the combustion air inlet to any other appliance

K = Clearance to a mechanical air supply inlet

L = Clearance above paved sidewalk or paved driveway located on public property

M = Clearance porch, deck, or balcony

In accordance

2 In accordance under veranda,

6 Feet (1.83 m)

7 Feet (2.13m) Avent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings.

12 Inches (30 cm) permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides.

3 Feet (91 cm) above if within

10 Feet (3 m) horizontally

Clearances are in accordance with local installation codes and the requirements supplier.

Clearances are in accordance with local installation codes and the requirements supplier.

with the current CSA-B149.1

Natural Gas and Propane Installation Code with the current ANSI Z223.1 / NFPA 54 National Fuel Gas Code of the gas of the gas

Page 4

6.

.

2.

3.

4.

.

8.

.

CLEARANCES

As you Pace the heater, the clearance to a side watt on the right side is 0" (Fig. 2), and the left side is

1"

(Fig. 2).

The minimum clearance from the top of the heater to the ceiling or any projecting overhang is 10".

(See Figure 2).

The minimum clearance from the bottom of the heater to the floo_; or the top surface of carpeting, tile, etc. is 0". (See Figure 2).

When the appliance is installed directly on carpeting, tile or other combustible material other than wood flooring, the appliance shall be installed on a metal or wood panel extending the full width and depth of the appliance.

The minimum clearance from the edge of the vent cap to any overhanging obstruction, perpendicular side wall, or comer of building is 12". (See Figure 1).

Vent cap must be located at least 9" from any opening that would allow combustion products to enter the building, windows, doors, etc., and 12" above the ground or shrubbel T (See Figure 1). Do not install vent cap in a window well. Provisions must be made to prevent snow accumulation from infringing on vent cap clearances.

Clearances around vent cap must be maintained to assure adequate combustion and ventilation air.

Clearances listed are minimum.

Adequate accessibility clearances for servicing must be maintained.

0

0

0

CEILING OR OVERHANG

Side_

V_all

1"

HEDV40

0"

Wa!!

Left

CEILING OR OVERHANG

0

0 _

Right

Side

Wall

<2_2:7/

HEDV25

C c c

FIGURE 2

Page 5

2.

.

.

.

CLEARANCES

RESIDENTIAL GARAGE INSTALLATION: Gas utilization equipment in residential garages shall be installed so that all burners and burner ignition devices are located not less than ! 8 inches

(46 cm) above the floor. You must build a platform 18" above floor, the full width aa_ddepth of the heatec including the rear trim ldt. HEATER IS NOT DESIGNED TO HANG ON WALL.

Unit should be located or protected so it is not subject to damage by a moving vehicle. Use care in selecting a good location within the garage. DO NOT locate the appliance where heated air will be directed onto a nearby parked vehicle.

Paint may discolor or rubber may harden and crack. DO NOT allow open or closed containers of paint, gasoline or other liquids having flmnmable vapors to be stored or used in the same area as the heater.

LOCATION

The wall furnace must be installed on an outside wall, unless optional Kit No. HEVK-5 is used.

For most efficient performance, locate furnace as centrally as possible in the area to be heated and where occupants may move about freely without coming into contact with the cabinet, and within reach ofa l15V wall outlet.

If the furnace is installed in a basement, a 12" clearance must be maintained between ground level and the bottom of the vent cap. Do not install furnace where vent cap will terminate in a window welt or any other opening below grotmd level. (See Figure 3). Do not allow snow accumulation to build up within 12" of the vent cap.

OPTIONAL KITS

HEVK-5 - To extend vent 5 foot from heater.

This wilt allow vent cap to be installed above grade from basement or to an outside wall. Atotal of 3 kits with 2 additional elbows may be used.

12" Minimum above grade without excavation

FIGURE 3

Page 6

INSTALLATION

Failure to follow these instructions carefilllv could result in poor performance, property damage, personal injury, or death.

b) c) d) e)

STEP 1. LOCATE VENT OPENING (Requires 3-112" diameter wall opening) a) Select area on wall where heater will be installed. Using template (packed with heater) mark shaded area where hole can be cut and to locate the wall brackets.

(See Figure 4).

Locate studs on each side of this area.

Mark location for 3-1/2" diameter hole between studs.

Hole should be oft;et m miss studs. (See Fig. 4).

Check outside wall at this location for proper clearances around vent cap.

(See Fig. 1).

Cut vent openings into both the inside and outside walls, being sure to maintain level across both openings.

Manual ball valv_ must be above floor

L_l

i I

I __ g" d

Template _L b

[

I I

V,?a11 _.,, j_ Back of heater j

II

It Shaded

Area

Wall

Studs

16" O.C.

FIGURE 4

Manual shin offvalve with

1/8" NPT plugged tapping

Must be accessible in room where heater is installed _

./8 Blackiron pipe_.

Gas Supply

Leg

FIGURE 5

STEP 2. ROUGH-IN GAS SUPPLY (See Figure 5)

Install at least _/8 gas supply line. Contact local gas supplier if any questions.

Install a drip leg in gas supply line immediately upstream from the gas connection to heater (see local codes), and provide a 1/8" N.RT. plugged tapping, accessible for test gauge connection and an individual manual shut offvalve accessible within room where heater is installed.

(See Figure 5). The heater and its individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1/2 psig (3.5Pa).

The heater must be isolated from the gas supply piping system by closing its individual manual shut offvatve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig (3.5Pa). Test all connections for leaks using a soapy solution.

NEVER

USE AN OPEN FLAME TO TEST FOR LEAKS.

The maxmmm inlet gas supply pressure for Natural or L.P./Propane gas is 1/2 p.s.i, or 14" w.c.

The minimum inlet gas supply pressure for the purpose of adjustment is 4.5" w.c. for Natural gas or 11.0" w.c. for

L.P./Propane gas.

Page 7

INSTALLATION - CONTINUED

STEP3

a) b) c) d)

INSTALLING VENT SYSTEM 5" - 32" WALL THICKNESS (12.7 cm - 81.3 cm)

Use only factory supplied parts.

Do not attempt to modify in any way. To do so could cause a system imbalance resulting in poor performance and/or unsafe operating conditions.

Slide collection box pipes through cutout and secure collection box to inside wall.

Anchors (not supplied) may be required.

(See Figure 5).

From outside house, mark collection box pipes and cut off 1/2" beyond outside wall.

Slide vent cap pipes onto collection box pipes and push in until flange is flush against house.

Secure vent cap assembly to outside wall with a slight downward slope.

This will prevent water from entering and allow condensation to drain.

Caulk around the edges of the vent cap mounting plate.

NOTE: It may be necessary to build a metal or wood frame to provide a flat surthce for the mounting plate to be flush against or to attain the 5" minimuln wall thickness.

Trim Kit Brackets

Trim Kit Brackets------.

Gas Inlet

Air Intake

Gas Inlet

-Air Intake

,///-Fine Ontlet

(i49 cm)

HEDV25 - Figure 6

FIGURE 5

.....

(i56 cm)

......

HEDV40 - Figure 6

Collection Box _,_

Assembly

Vent Cap sembly

Vent Cap

Mounting

Plate

FIGURE 7

FIGURE 8

Page 8

STEP 4.

a)

b) c) d) e)

,3

g) h)

J)

k)

INSTALLING HEATER

Locate (and mark) wall mounting bracket location on wall using template supplied.

Secure wall brackets to wall, anchors (not provided) may be required.

Secure trim kit brackets to back of heater using eight #8 screws provided.

(See Figure 9).

Slide heater to approximately 5" of wall.

Secure air intake hose to back of heater and the collector box assembly using hose clamps provided.

(See

Figure 8).

Secure vent exhaust tube to exhaust tube on back of heater and the exhaust tube on the collection box assembly using hose clamps provided.

(See Figure 8).

Connect 3/8" minimum gas supply line m manual cut-offvalve on back of the heater. (See Figure 5).

Locate factory installed thermostat wires extending from rear of the heater. Connect 24 _ thermostat wall thermostat (provided) using a maximum 20' of thermostat wire. Do NOT splice thermostat wire.

Secure right and left trim side panels to the wall and trim kit brackets with eight #8 screws provided. (See

Figure 9). This will space the back of the heater 5" from the wall.

Secure trim top to trmr sides using four #8 screws provided.

Plug three-pronged factory wired power cord into a properly grounded 115 Volt electrical outlet. NEVER use an extension cord. If homeowner desires, heater can be hard wired by a licensed electrician.

See local electrical codes.

Turn the manual gas control valve on. Check all connections for leaks using a soapy solution. NEVER check for leaks with an open flame.

HEATER IS NOW INSTALLED, FOLLOW LIGHTING INSTRUCTIONS TO PLACE HEATER INTO

SERVICE.

FRONT PANEL MUST BE REMOVED FOR ACCESS TO LIGHTING INSTRUCTIONS AND

GAS CONTROL.

1/2"

Bushing

Trim Kit

(4)

FIGURE 9

Page 9

Left Side

l,

2.

3.

4..

_FOR YOUR SAFETY READ BEFORE OPERATING 1

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,

B,

6.

.

This appliance does not have a pilot.

It is equipped with an ignition device which automatically lights the burner.

Do not try to light the buruer by hand.

BEFORE OPERATING 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,

If you cannot reach your gas supplier, call the fire department.

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, don't try to repair it, call a qualified service technician.

Force or attempted repair may result in a fire or explosion.

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.

• hnmediately call your gas supplier from a neighbor's phone.

Follow the gas supplier's instructions.

D.

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.

OPERATING INSTRUCTIONS

STOP!

Read safety information on this label.

7.

Set the thermostat to the lowest setting.

Turn off all electric power to the appliance.

This appliance is equipped with an ignition device which automatically lights the burner.

Do not try 8.

to light the burner by hand.

Remove cabinet to access gas control knob.

Turn gas control knob clockwise g'N to

"ofF'.

Do not force.

9.

10.

11.

12.

Wait five (5) minutes to clear out any gas.

If you smell gas, STOP!

Follow "B" in safety information on this label.

If you don't smell gas, go to next step.

Turn gas control knob counterclockwise to "ON".

_'N

Turn on all electric power to the appliance.

Set thermostat to desired setting.

If the appliance does not operate, follow instructions "To Turn Off Gas To Appliance" and call your se_wice technician or gas supplier.

Replace cabinet.

Gas control knob in "OFF" position

_TO

l.

2.

3.

TURN OFF GAS TO APPLIANCE

Set the thermostat to lowest setting.

Turu off all electric power to the appliance if service is to be performed.

Turn gas control knob clockwise g'X to "OFF".

Do not force.

Page 10

1.

2.

3.

4.

5.

6.

PROPER BURNER FLAME

The burner flame may be obse_wed by raising the sight glass cover. A proper flame will have a dark blue inner mantle, with a lighter blue outer mantle that extends from the burner into tlle heat exchanger tube, (see Figure 10).

There is no primary air adjustment on the burner, and proper flame is assured since the correct manifold pressure and orificing have been done at the factory.

7.

8.

9.

10.

11.

TO REMOVE MAIN BURNER FOR

INSPECTION AND CLEANING

Turn off all electrical supply to heater.

Turn off gas supply.

Remove front panel.

Unplug wire to direct spark ignitor and sensor.

(See Fig. 11.)

Disconnect vacuum hose from burner box.

Remove screws holding burner box top to burner box. (See Figure 11.)

Remove burner plate and burner box top. Take care not to contact, or strata _gmtor m any way as it is extremely fragile. (See Figure 11.)

Remove 2 nuts holding burner bracket.

(See

Figure 11).

Slide burners toward heat exchanger and lift up from rear and back. (See Figure 11).

Clean or replace as needed.

Reinstall by reversing Steps 9 - 1.

BURNER ORIFICE

Appliance input ratings are based on sea level operation and need not be changed for operation up to 2,000 feet

(609.9 m) elevation.

For operation at elevations above 2,000 feet (609.9 m).

The BTU input must be reduced 4% per 1,000 ft. See the following orifice chart for the proper orifice drill size for a specific elevation.

/Primary Flame

FIGURE 10

NOTE: THE FURNACE AND ALL COMPO-

NENTS MUST BE INSPECTED AT LEAST

ANNUALLY BY A QUALIFIED SERVIC E PER-

SON.

THIS SHOULD INCLUDE THE

BURNER, HEAT EXCHANGER, AND VENT

SYSTEM.

BE SURE THAT THE FLOW OF

COMBUSTION AND VENTILATION AIR

ARE NOT OBSTRUCTED AND THAT ALL

HOSES ARE UNDAMAGED, AND ALL

CLAMPS ARE SECURELY TIGHTENTED.

MaxitroI

Gas \Mve

Burner

Box Top

Manifold

MODEL

NO.

HEDV253A

HEDV403A

HEDV254A

HEDV404A

SPECIFIC ELEVATIONS

0 to

51

45

58

55

2.000'

2.000' 4.000' 6.000'

NATURAL GAS

52

47

L.P. GAS

48

60

55

4,000'

52

62

56

6,000'

8.000'

53

49

63

56

8,000' -

10.000'

54

50

64

57

Burner

Bracket

Direct Spark Ignitor

FIGURE 11

Page 11

WIRING

This appliance is equipped with a three prong power cord with grounding plug.

For your protection against shock hazard, this appliance should be plugged directly into a properly grounded three-prong receptacle.

Do not cut or remove the grounding prong from this plug.

WARNING

FHIS IS A GAS-FIRED APPLIANCE.

KEEP THt

AREA CLEAR OF GASOLINE AND OTHER FLAM

MABLE VAPORS AND LIQUIDS.

ALL COMBUS

FIBLE MATERIAL MUST BE KEPT CLEAR OF THK

AREA TO AVOID FIRE OR EXPLOSION.

NOTE: If any of the original wire supplied with this appliance has to be replaced, it must be replaced with type

105, C wire or its equivalent.

CAUTION: Label all wires prior to disconnection when servicing controls.

Wiring errors can cause improper and dangerous operation.

Verify proper operation after servicing.

Pressure _, -

S"qtch_ K

_Thermostat

_?

VaE :[_-1 El

K"_

I >1

Bk,e I ; ! o ! _ !o I

CMB BlowerC:_

-:1.......

:

_

_Transt\mner

24 V !

I

CircuilBoard

L_

_

Black

Black,--_l

Inducer k

Circulating

Blower

HEDV40-A

HEDV25-A,

HEDV40-A

LADDER

Gas \i_lve

Switch

Limit Switch

Thermostat

CIRCUIT BOARD

115 VAC

Draft Inducer

Blower

HEDV253A, HEDV254A, HEDV403A,

& HEDV404A

WIRING

DIAGRAM

Page 12

HEDV SEQUENCE OF OPERATION

4 Sec val,

_s gas to bur f

)w i i1_

[31oxlei

18(I Sec

0Q r_ closes pro_h_g indt_cer

__

NO

STEP #

1)

2)

3)

4)

5)

6)

7) s)

9) lO)

11)

12)

13)

Thermostat calls tbr heat.

Draft Inducer turns on.

Pressure switch closes.

Spark ignition beans.

Gas flow-to burner.

Burner ignition proven.

Circulating Blower on.

Heater bums through heating cycle.

Thermostat satisfied.

Gas flow off to burner.

Draft inducer off:

Circulating Blowers oft:

Heater in stand-by.

NOTE: IF THERE IS A MALFUNCTION IN STEPS 3, 5, 6 THE

POINT.

FOR STEPS 5 OR6, IF AFTER 2 ADDITIONALATTEMPTS

OPERATION SEQUENCE

MALFUNCTION

WILL STOPAT THAT

STILL OCCURS,

TROL WILL LOCK OUT FOR ONE HOUR.

FOR PURPOSE OF TESTING, THE ONE HOUR LOCKOUT

OVERRIDDEN BY RESETTING TIlE THERMOSTAT OR INTERRUPTING THE ELECTRICAL POWER.

THE CON-

CAN BE

HEVK-5 5' VENT EXHAUST KIT

INSTALLATION INSTRUCTIONS

WARNING: Use only Louisville Tin & Stove Company factory supplied parts and kits. Failure to do so could result in loss of life, personal injury, property damage, or unsatislhctory performance.

CONTENTS OF KIT

1only P/N 72532 2"x3" Steel Coupling

1only P/N 72575 2"x5' Black Flocked Tube

1only P/N72612 2"x6' Black Flex Tubing

2 only P/N 41515 Support Brackets

STEP 1 - LOCATE VENT OPENING a) Select location on outside wall that vent will exit through.

1only

8 only

1only

P/N 41520 Center Bracket

P/N 72593 2" Hose Clamps

P/N72578 2"x3" Black Silicone

Wrapped Coupling b) c)

Check outside f\3r proper clearances around vent cap. See installation instructions.

Mark and cut 3-1/2" hole through both inside and outside walls, being sure to maintain level across both openings.

d) Measure wall thickness.

Mark and cut offboth intake and exhaust pipes to 1/2" beyond outside wall.

e) Secure collection box to wall. Wall anchors, not provided, may be l"equired.

STEP2- INSTALLHEATER a) b) c)

Select location on wall where heater will be installed.

Using wall template supplied with heater, mark location for trim kit wall brackets.

Attach brackets to wall (wall anchors, not provided may be l"equired) and back of heater. Using screws provided on back of heater.

d) e)

Slide heater into position and secure brackets togehter.

This should position back of heater 5" offwall.

Select direction vent wil! exit trim kit, left, right, or straight up.

_) Before installing trim kit remove knockout on this side.

STEP3 - INSTALLVENT a) b) c) d)

Remove and discard P/N 72611 2"x24"blackflexmbingffomairinlet.

(Save hose clamp).

Attach P/N 72612 2"x6' black flex mbing to air inlet. Secure with P/N 72593 2" hose clamp.

Slide P/N 72575 2"x5' flocked robe through trim kit opening (knockout) and attach to P/N 72610 orange silicone

90, ,elbow supplied with heater. Secure with 2" hose clamp.

Attach P/N 41515 support brackets to wall. Wall anchors, not provided, may be required.

Postion support brackets e) within 8" from side oftmn kit and end of pipe. Secure flex robing and flocked robe to brackets using 2" hose clamps.

Attach P/N 41520 center bracket 2-1/2' from pipe end and insert flex robe through bracket. This will prevent the flex tube from touching the black flocked exhaust tube.

t) g)

Connect flex air intake robe and flocked exhaust tube to collection box.

Complete gas connection and attach trim kit to brackets.

h) Follow lighting instructions.

SPECIAL NOTES a) You may use up to three HEVK-5 Kits for a total of 15' vent extension with two additional elbows. DO NOT

EXTEND VENT BEYOND 15' OR USE MORE THAN THREE TOTAL ELBOWS (one elbow comes with the heater).

b) c) d) e)

To connect two vent kits together use P/N 72532 2"x3" steel coupling.

Secure with 2" hose clamps.

If you are using one, two, or three kits, after installation is complete you will discard 2 P/N 72593 hose clamps and one P/N 72532 steel coupling.

Ifyou need to make a 90..oft_et you wil! need to order P/N HEEL- 1 90..Elbow Kit. Two oft;ets require two kits.

If complete vent extension is horizontal, pipes may be sloped down slightly to allow any condensate to drain thlough the exhaust pipe to the outside. DO NOT ALLOW TO DRAIN ONTO WALKWAY. If any part of vent extension is vertical or local codes do not allow draining of condensate to outside you must add P/N 18900

Condensate Kit.

_) For cosmetic purposes, the addition of the HEVK-5 Kit can be enclosed by adding a HEVE-5 Vent Enclosure Kit.

To completely enclose the HEVK-5 Kit one HEVE-5 will be needed for each HEVK-5 used.

PiN 72612

2"x6' Black

Flex Tubing

<e, is 72532 flex tubing of 2 or

/

/

PN 72578 2"x3" 4N

Black Silicone .f

41515

Support

Wrapped Coupling j"

Brackets (2)

PN 41520 j

(;enter Bracket

_-/_

//

,

PN 72575 2"x5'

Black Flocked Tubs_ more ktis

PN 72593

2" Hose Clamps

Page 14

HEVE-5

VENT ENCLOSURE KIT

INSTALLATION INSTRUCTIONS

STEP 1) Position end of Part No. 41610 enclosure body to heater trim kit where pipes exit trim kit, centering pipes inside body and attach to wall. Wall anchors, not provided, may be required. Collector box may be behind HEVE-5 Kit.

STEP 2) Cut to fit enclosure panel 1" beyond end of vent run. Insert Part No. 41620 End Cap and attach using three #8 screws provided.

SPE (IAL INSTR[ K;TIONS

STEP 3) If more than one HEVE-5 Kit is used, attach Part

No. 72604 Trim Kit where ends meet.

STEP 4) If making a 90. mJm, measure 1" beyond outside mm and cut offenclosure panel. Notch panel on surl:ace of direction mm is being made to allow pipes to pass through into next HEVE-5 Kit.

Attach second panel to wal! and attach Part No.

72604 Trim Kit where two bodies meet. Install end cap Part No. 41620.

HEEL-1

90*-ELBOW KIT

Contains 1 only P/N 72613 90,*Elbow 2"

Page 15

18900 CONDENSATE KIT

INSTRUCTIONS

HI-EFFICIENT DIRECT-VENT WALL FURNACE

Always use this kit when the vent has a vertical ran, or where local codes prohibit draining condensate to the outside. Use only Louisville Tin and Stove Company supplied parts. Failure to use factory supplied parts or to follow these instructions may result in unsatisfactory perl\_rlnance, property damage, personal injury and/or loss of life.

Before beginning kit installation, open carton and identify the l\_ltowing components.

A) P/N 18910 Condensate PanAssembly

P/N 72618 Condensate Trap Assembly c)

D)

E)

F)

P/N 72538 3/8" Tubing

P/N 72539 3/8" Hose Clamp (2)

P/N 50606 #8 x ½" screws (2)

P/N 50053 Wing Nuts (2)

Set thermostat to "off' and allow heater to coot.

Turn off gas supply to heater.

Turn off electric power to heater.

Remove the cabinet.

Start two wing nuts onto weld pins located in the heater base. See Figure 1.

Slide the condensate pan into the bottom of the heater with slots in tabs onto the weld studs and under the wing nuts. Use care not to rip the insulation in bottom of heater. Tighten the wing nuts to secure condensate pan.

See Figure 1.

Remove and discard the black casing plug located at center lower area of heater back.

Attach condensate trap to heater back so bottom of trap is inside the bottom of the condensate pan. Secure using the (2) #8 screws provided. Fill trap with water. See Figure 2.

Remove and discard plastic cap from bottom of the draft inducer drain tube. See Figure 2.

Connect the tubing to the draft inducer drain tube and the condensate trap. Secure both ends with two 3/8" hose clamps provided.

See Figure 2.

Fill the condensate pan with water.

Reverse steps 4 1. Follow lighting instructions to place heater in operation.

WARNING: The water level in the condensate pan must be checked and maintained to completely cover the condensate trap. The water provides a seal to prevent combustion products from coming through the condensate trap and entering the living area.

72618-

Condensate

" _ Weld

Pin (2_

FIGURE 1

Condensate P,-m

Assembly

Page 16

FIGURE 2

Clmnp (2)

50606 - #8x12 Screw (2)

MAINTENANCE INSTRUCTIONS

For proper and sate operation keep furnace and furnace area clean.

At regular intervals turn control valve to oft. let cool and clean inside control and heat exchanger compartment.

To clean front panel use only a damp cloth, do not use any kind of solvent or cleaning fluid that could leave a residue to burn or give offfumes when furnace is turned on.

Have the furnace checked, cleaned, and repaired by a qualified service person.

Check venting system, and burner operation prior to use each year.

Follow a regular service and maintenance schedule for sate and efficient operation.

Do not obstruct combustion and ventilation air. Examine the venting system as a routine part of the safety performance check on an annual basis.

If the heat exchanger is removed, check the heat exchanger intake gasket and draft inducer gasket and replace if there is any sign of damage.

Be sure all gaskets are in place when the heat exchanger is replaced.

Failure to replace any gasket that has been damaged may result in property damage, personal iniury or loss of life.

Oil the bearings of the tan motor every 6 months with S.A.E.

20 oil.

SERVICE RECORD

Page 17

SYMPTOM

Flame too large

Yellow burner flame

Gas odor

Delayed Ignition

Failure to ignite

Burner won't mm off

Incon'ect gas input

Not enough heat

Too much heat

Main burner goes out duringnormal operation

TROUBLE SHOOTING

POSSIBLE

1.

Defective operator section of valve.

2.

Burner orifice too large.

3.

If installed above 2,000 ft.

l.

(?logged burner ports.

CAUSES

2. Obstruction around vent cap.

l. Gas leak.

I. Low gas pressure.

2. Igniter not properly located.

1. Main gas off.

2. Thermostat not set high enough to call for heat.

3. (?logged

burner orifice.

4. Incorrect wiring.

5. Defective valve.

6. No power to unit.

Defective or damaged thermostat wire, or them_ostat.

2. Thermostat location.

3. Defective or sticking valve.

4. Excessive gas pressure.

5. Defective or damaged thermostat.

I. Gas inpm not checked.

2. Clogged orifices.

l. Furnace undersized.

2. Thermostat temperature

3. Incon'ect

I. Temperature supply pressure.

set too high.

set too low.

2. Combination control xalve stuck open.

I. Defective flame sensor.

2. Input too high.

3. Sight glass not air tight.

Vent tubes not properly installed or sealed.

5. Limit switch opens.

6. Exhaust or Air Intake tubes blocked.

CHART

CORRECTIVE ACTION

To be taken by Contractor

1. Replace valve.

2. Check with local gas company for proper orifice - size and replace.

3. See burner orifice section, Page 11.

1. Remove burners and check for obstructions in throats, ports, and orifices.

Clean but do not enlarge ports or orifices.

2. Make sure area around vent cap is clear, be sur_ _'_n_ _ys_¢m is s_!_d,

1. See Page 1.

1. Check gas supply pressure.

2. Check ignitor location and con'ect if necessary.

1. Open manual gas valve.

2. Set thermostat to higher temperature.

3. Clean burner orifices (do not enlarge).

4. Check wiring diagram.

5. Replace valve.

6. Plug in power supply cord.

Check 1 i5 V.

wall outlet.

1. (Jan be checked by removing wire fi'om control board terminal.

If burner goes off, replace thermostat.

2.Re-locate out of &afis, hot, or cold spots.

3. Replace valve.

4. Contact utility supplying

5. Replace thermostat.

gas.

1. Re-check gas input.

2. (?lean orifices with a smooth wood toothpick, do not enlarge.

1. This is especially true when a dwelling or room is enlarged.

Have the heat loss calculated and compare to furnace output.

Your gas company can supply you with this information.

If furnace is undersized, replace with con'ect size unit.

2. Raise thermostat temperature

3. Check snpply pressure.

1. Lower temperature setting.

setting.

2. Replace combination control vah'e.

1. Check voltage and replace if low.

2. Check input rate.

3. Tighten screws securing sight glass.

Check and replace gasket if needed.

4. Follow instrnctions.

Check both exhaust and air intake tubes, and vent cap.

Be sure all gaskets are in place and properly sealed.

Use only robes and vent cap supplied.

alter vent tubes or cap.

Do not

5. Check for blockage of discharge air.

6. Check for and remove any obstruction to incoming circulating air.

Page ! 8

TROUBLE SHOOTING CHART

To assist in diagnosing and servicing, this heater is equipped with a self-diagnosing control module.

Should a malfunction occur, the green indicator light on the control module will flash a varying number of times indicating the circuit in which malfunction is located.

POSSIBLE CAUSES

CORRECTIVEACTION

TO BE TAKEN BY CONTRACTOR

# OF

FLASHES

Slow Flash

Fast Flash

2

REASON FOR

INDICATION

Nonna! operation, no call for heat

Normal operation, call t\_rheat

System lockout

t:ailed to detect or sustain flame

Pressure switch

Open or Closed

Limit Switch opens

Flame sensed gas valve not energized

Steady light

No Flashes

Internal tiailure

(control module t:ailure and power on self-check) a.) Detective ignitor.

b.) Ignitor cable detective.

c.) Ignitor cable disconnected.

d.) Manual gas valve in "OFF" position. No gas to valve.

e.) Defective wire to gas valve.

f.) Wire to gas valve disconnected g.) Obstruction to vent outlet.

h.) Obstruction to air inlet.

a.) Replace ignitor.

b.) Replace ignitor cable.

c.) Connect ignitor cable.

d.) Turn manual gas valve to "ON".

e.) Replace defective wire.

f.) Connect gas valve wire.

g.) Remove obstruction.

h.) Remove obstruction.

a.) Defective pressure switch.

b.) Pressure switch robing damaged, kinked or collapsed.

c.) Pressure switch robing disconnected.

d.) Detective draft inducer.

e.) Pressure switch tubing to wrong connection.

a.) Replace pressure switch.

b.) Replace damaged robing.

c.) Connect pressure switch tubing.

d.) Replace &aft inducer.

e.) Reverse tubing connections on pressure switch.

a.) Defective limit switch.

b.) Damaged limit switch wire.

c.) Limit switchwire disconnected.

d.) Blockage in t}ont of front panel e.) Heater overrate.

a.) Replace limit switch.

b.) Replace damaged wire.

c.) Connect limit switch wire.

d.) Remove blockage.

e.) Check orifice, pressures, rate.

a.) Defective gas valve.

b.) Defective control module.

a.) Replace gas valve.

b.) Replace control module.

a.) Defective control module.

a.) Replace control module.

Page 19

MODEL NUMBERS

HEDV253A-

HEDV403A-

NAT. GAS

NAT. GAS

HEDV254A-

HEDV404A-

L.P. GAS

L.P. GAS

HI-EFFICIENT DIRECT VENT

WALL FURNACE

Prices and specifications subject to change without notice.

All prices are F.O.B.

factory.

Ml: Contractol; x_e only sel! parts through our wholesalers, but the prices listed are for your convenience.

For prompt parts service, contact the x_holesaler from which you purchased your Cozy heater. NOTE: Parts & schematic drax_ings on current models are sho_ n at _ _:cozyheaters.com.

Page 20

HOW TO PROPERLY ORDER PARTS: In addition to part description and part number_ please give model number, serial number_ and type of gas used.

This int\_rmation can be £ound on the rating plate that is attached to heater.

PART DESCRIPTION

Cabinet

Circulating BIower

LimitSwitch

FrontHeatShield

TubularHeatExchanger

Cabinet Base Assembly

Leg Leveler (4 Per)

Draft lnducerGasket

Draft lnducer Mounting Plate Gasket

Draftlnducer

SightGlassFrame

SightGlass

SightGlassGasket

Ignitor

Ignitor Cable

Burner Orifice (Requires 2)

Manifold

BurnerBoxAssembly

Burner BoxTop Gasket

BurnerBoxTop

Gas Valve

Gas Valve Support Bracket

Burner BoxMountingGasket

Transformer

Circuit Board

Wiring Harness

Pressure Switch

Casing Back

AirlntakeHose

2" Hose Clamp (4 Per)

VentCapAssembly

Vent Cap Gasket

CollectionBoxAssembly

CollectionBoxGasket

CollectionBoxCap

VentExhaustTube

Trim KitBracket(Requires4)

WalI MountingBracket(Requires4)

TrimKit, Left Side Panel

Trim Kit, RightSidePanel

Trim KitTop

HEDVWireBracket

Liner, LeftSide

LinerTop

Thermostat, 24Volt

Draft lnducer Mounting Plate

ThermostatWire20'

Power Cord

Condensate Kit

HEDV253A

REF.

PART

NO.

NO.

LIST

PRICE

1 18020 $126.00

HEDV254A

PART

NO.

LIST

PRICE

18020 $126.00

HEDV403A

PART

NO.

LIST

PRICE

18520 $152.00

HEDV404A

PART

NO.

LIST

PRICE

18520 $152.00

2 72501 $162.00

72501 $162.00

72500 $240.80

72500 $240.80

3 72671 $ 9.60

72671 $ 9.60

72670 $ 9.60

72670 $ 9.60

4 18100 $ 13.30

18100 $ 13.30

18595 $ 28.20

18595 $ 28.20

5 72531 $166.00

72531 $166.00

72530 $133.10

72530 $133.10

6 18120 $ 19.10

18120 $ 19.10

18620 $ 23.20

18620 $ 23.20

7 80009 $ 1.60

80009 $ 1.60

80009 $ 1.60

80009 $ 1.60

8 72565 $ 6.40

72565 $ 6.40

72565 $ 6.40

72565 $ 6.40

9 72563 $ 2.10

72563 $ 2.10

72563 $ 2.10

72563 $ 2.10

10 72506 $166.00

72506 $166.00

72506 $166.00

72506 $166.00

11 18185 $ 1.90

18185 $ 1.90

18185 $ 1.90

18185 $ 1.90

12 70150 $ 1.30

70150 $ 1.30

70150 $ 1.30

70150 $ 1.30

13 72564 $ 2.10

72564 $ 2.10

72564 $ 2.10

72564 $ 2.10

14 64009 $ 23.50

64009 $ 23.50

64009 $ 23.50

64009 $ 23.50

15 64210 $ 17.50

64210 $ 17.50

64210 $ 17.50

64210 $ 17.50

16 *95251 $ 3.60

*95258 $ 3.60

*72156 $ 3.60

*72139 $ 3.60

18 72640 $ 19.70

72640 $ 19.70

72640 $ 19.70

72640 $ 19.70

19 18150 $ 35.30

18150 $ 35.30

20 72567 $ 4.30

72567 $ 4.30

21 18165 $ 4.20

22 64590 $ 76.50

18165 $ 4.20

64591 $ 76.50

18150 $ 35.30

72567 $ 4.30

18165 $ 4.20

64590 $ 76.50

18150 $ 35.30

72567 $ 4.30

18165 $ 4.20

64591 $ 76.50

23 18180 $ 4.20

18180 $ 4.20

18180 $ 4.20

18180 $ 4.20

24 72566 $ 5.30

72566 $ 5.30

72566 $ 5.30

72566 $ 5.30

25 78069 $ 24.70

78069 $ 24.70

78069 $ 24.70

78069 $ 24.70

26 64625 $223.70

64625 $223.70

64625 $223.70

64625 $223.70

27 72675 $ 12.80

72675 $ 12.80

72675 $ 12.80

72675 $ 12.80

28 72517 $ 17.00

72517 $ 17.00

72518 $ 17.00

72518 $ 17.00

29 18090 $ 22.90

18090 $ 22.90

18590 $ 28.60

18590 $ 28.60

30 72611 $ 10.30

72611 $ 10.30

72611 $ 10.30

72611 $ 10.30

31 72593 $ 1.80

72593 $ 1.80

72593 $ 1.80

72593 $ 1.80

32 18250 $ 56.20

18250 $ 56.20

18650 $ 55.30

18650 $ 55.30

33 72608 $ 2.00

72608 $ 2.00

72608 $ 2.00

72608 $ 2.00

34 18225 $157.00

18225 $157.00

18225 $157.00

18225 $157.00

35 72607 $ 1.30

72607 $ 1.30

72607 $ 1.30

72607 $ 1.30

36 72587 $ 1.60

72587 $ 1.60

72587 $ 1.60

72587 $ 1.60

37 72610 $181.80

72610 $181.80

72610 $181.80

72610 $181.80

38 18320 $ 8.90

39 18315 $ 1.90

40 18310 $ 13.70

41 18305 $ 13.70

42 18300 $ 13.30

43 18190 $ 2.30

18320 $ 8.90

18315 $ 1.90

18310 $ 13.70

18305 $ 13.70

18300 $ 13.30

18190 $ 2.30

18320 $ 8.90

18315 $ 1.90

18310 $ 13.70

18305 $ 13.70

18700 $ 15.00

18190 $ 2.30

18320 $ 8.90

18315 $ 1.90

18310 $ 13.70

18305 $ 13.70

18700 $ 15.00

18190 $ 2.30

44 18110 $ 9.40

45 18075 $ 14.60

46 78355 $ 21.00

18110 $ 9.40

18075 $ 14.60

78355 $ 21.00

18610

N/A

$ 8.20

N/A

78355 $ 21.00

18610

N/A

$ 8.20

N/A

78355 $ 21.00

47 18200 $ 22.30

N/A 74518 $ 1.40

18200

74518

$ 22.30

$ 1.40

18200

74518

$ 22.30

$ 1.40

18200

74518

$ 22.30

$ 1.40

N/A 64205 $ 5.90

64205 $ 5.90

64205 $ 5.90

64205 $ 5.90

N/A 18900 $ 81.90

18900 $ 81.90

18900 $ 81.90

18900 $ 81.90

Mr. Contractor, we only sell parts through our wholesalers, prompt parts service, contact the wholesaler from which but the prices you purchased listed your Cozy above are for your convenience.

heater.

NOTE: Parts & schem

For atic drawings on current models are shown at www.cozyheaters.com.

Page 21 SEPTEMBER 2007

LI IT

WARRANTY

The Louisville Tin & Stove Co. warrants to the original user the accompanying period specified herein, provided installed, according accompanying operated, maintained, to the instructions the product.

product said for product the is serviced, and and used specifications

AS OUTLINED IN

OUR INSTRUCTIONS,

CONSIDERATIONS

INSTALLATION

INSTALLER

INSTALLATION

INVALIDATE

ARE

BY

ANY WARRANTY

CONTINGENT ON

A

(CONTRACTOR).

IS PROHIBITED

YOUR WARRANTY.

QUALIFIED

SELF-

AND WILL

If within a period of one year from the date of installation of the product, any part supplied by the manufacturer proves to be defective due to workmanship provided or material, it will replace such part, parts have not been subjected to misuse, alteration, neglect, or accidents.

The term of the warranty for the heat exchanger and burners is covered in Table A below.

Any claim not made within ten

(10) days after the expiration of the warranty period shall be deemed waived by the user.

The manufacturer shall have no liability or be required to perform any obligation warranty unless, when requested, the user under returns, this at the user's expense, the component or product claimed defective, to the manufacturer the manuf_acturer to detemline covered by this warranty.

for inspection, to enable if the claimed defect is expenses

No charges incurred for freight, in the repair, labor or other removal, or replacement of any product or component claimed to be defective, will be paid by the manufacturer to the user, and the manufi_cturer will not be liable for any expenses incurred, defect in the product.

Service by under the user, this in remedying warranty is any the responsibility of the installer.

In the event service under this warranty is needed, the user of the product shall request such service directly from the installer.

If the user is unable to locate the installer, the user should write directly to the manufacturer, and the name of an alternative service source will be supplied.

The product safety registration card (packed inside the appliance) nmst be completed and returned to the factory.

THIS WARRANTY IS EXPRESSLY IN

LIEU OF ANY OTHER WARRANTIES, EXPRESS

OR IMPLIED (WHETHER WRITTEN OR ORAL).

ANY IMPLIED

MERCHANTABILITY

PARTICULAR PURPOSE

WARRANTY

OR OF FITNESS

IS

FOR

OF

EXPRESSLY

A

LIMITED TO THE DURATION OF THE

MANUFACTURER'S

WARRANTY.

EXPRESS, WRITTEN

UNDER NO CIRCUMSTANCES SHALL

THE MANUFACTURER BE LIABLE FOR ANY

SPECIAL, INDIRECT OR CONSEQUENTIAL

DAMAGES OR EXPENSES ARISING DIRECTLY

OR INDIRECTLY FROM ANY COMPONENT OR

FROM THE USE THEREOF.

THE REMEDIES SET

FORTH HEREIN SHALL BE THE EXCLUSIVE

REMEDIES AVAILABLE TO THE USER AND

ARE IN LIEU OF ALL OTHER REMEDIES.

SOME STATES DO NOT ALLOW

LIMITATIONS ON HOW LONG AN IMPLIED

WARRANTY LASTS, SO THE

LIMITATIONS MAY NOT APPLY TO YOU.

ABOVE

SOME STATES DO NOT ALLOW THE.

EXCLUSION OR LIMITATION OF INCIDENTAL

OR CONSEQUENTIAL DAMAGES, SO THE

ABOVE LIMITATIONS OR EXCLUSIONS MAY

NOT APPLY TO YOU.

THIS WARRANTY GIVES YOU

SPECIFIC LEGAL RIGHTS, AND YOU MAY

ALSO HAVE OTHER RIGHTS, WHICH VARY,

FROM STATE TO STATE.

TABLE A

Product

Cozy Gas Fired Floor Furnace

Cozy Gas Fired Wall Furnace

Cozy Gas Fired Vented Console Heater

Cozy Gas Fired Direct Vent Heater

Cozy Gas Fired Counterflow Furnace

Cozy Gas Fired Counterflow Direct Vent Furnace

Cozy Gas Fired Mobile Home Direct Vent Furnace

Cozy Gas Fired Hi-Efficient Direct Vent Wall Furnace

Cozy Gas Fired Direct Vent Baseboard Heater

Cozy Fan-Type, Direct Vent Through-The-Wall

Cozy Blue Flame Vent Free Heater

Gas Heater

Cozy Infi'a-Red Vent Free Heater

Warranty Period

Heat Exchanger/Tubes

10 Years

10 Years

10 Years

10 Years

10 Years

10 Years

10 Years

10 Years

10 Years

10 Years

NiA

NiA

Burners

10 Years

10 Years

10 Years

10 Years

10 Years

10 Years

10 Years

10 Years

10 Years

10 Years

10 Years

NiA

LOUISVILLE TIN & STOVE COMPANY

737 S. 13

TM

STREET - LOUISVILLE, KY.

40210

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Key Features

  • Uses natural gas. Converts to LP with optional kit
  • Direct vent design provides a safer, more efficient way to heat your home
  • Compact size makes it easy to install in a variety of locations
  • Electronic ignition for easy starting
  • Automatic temperature control for consistent comfort
  • Wall-mounted design frees up valuable floor space
  • Can be used as a primary or supplemental heat source

Frequently Answers and Questions

What are the dimensions of the HEDV253A?
24-1/2" width x 9-3/4" depth x 32" height
What is the input BTU rating of the HEDV403A?
40,000 BTU/hr
Can the HEDV253A be used in a mobile home?
Yes, this unit is approved for installation in an aftermarket, permanently located, manufactured home (USA only) or mobile home, where not prohibited by local codes.
What type of gas does the HEDV403A use?
Natural gas
How often should the HEDV253A be inspected?
At least annually by a qualified service person.

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