COZY HEDV404 Installation And Operating Instructions Manual

Hi-efficient direct vent wall furnace

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INSTALLATION
AND
OPERATING
INSTRUCTIONS
P/N 72903
December
2003
MODEL
NUMBERS
NAT. GAS
L.R GAS
HEDV403
HEDV404
INSTALLER MUST LEAVE THESE INSTRUCTIONS
I
I
WITH THE CONSUMER, HAVE THEM COMPLETE,
AND RETURN THE WARRANTY CARD.
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.
hnmediately
call your gas supplier from a neighbor's
phone. Follow the gas supplier's
instructions.
If you cannot reach your gas supplier, call the
fire department.
INSTALLATION
AND SERVICE MUST BE PER-
FORMED
BY A QUALIFIED
INSTALLER,
SERVICE AGENCY
OR THE GAS SUPPLIER.
NADE iN U.$&_
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 annually
by a qualified service person.
May be installed in an aftermarket,
permanently
located, manufactured
home (mobile home) where not
prohibited
by local codes.
See owner's
manual for details.
This appliance
is not convertible
for use
with other gases, unless a certified kit is used.
This
not approved
greenhouses,
or
involving dusty, wet, corro-
unit is
for installation
in
environments
sire, or explosive conditions.
Such conditions
will invMidate
the warranty
and may create unsafe
conditions.

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Summary of Contents for COZY HEDV404

  • Page 1 INSTALLATION OPERATING INSTRUCTIONS P/N 72903 December 2003 INSTALLER MUST LEAVE THESE INSTRUCTIONS MODEL NUMBERS WITH THE CONSUMER, HAVE THEM COMPLETE, NAT. GAS L.R GAS AND RETURN THE WARRANTY CARD. HEDV403 HEDV404 WARNING: If the information in these instructions not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
  • Page 2 CONTENTS Introduction........Wh_ilgDiagram......Specifications and Dimensions ..... Removing Main Burner..... Sat_ryRutes ........Proper Burner Flame ......Clearances........Sequence of Operation ...... Ixx:atJ.on ........OptionalKits ......... Installation........Trouble Shooting ......Lighting Instructions ......Parts INawing ........ Pilot Adjustment ......PartsList ........
  • Page 3 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 and may void the warranty. Follow all applicable codes and ordinances. If there are none, follow the latest edition of National Fuel Gas Code ANSI Z223.1...
  • Page 4: Clearances

    Vent Terminal Air Supply Inlet Area where terminalis not permitted VENT TERMINAL CLEARANCES CANADIAN REFERENCE LETTER TO INSTALLATIONS I DRAWING 12 Inches (30 cm) A -- Clearance above grade, veranda, porch, deck, balcony B = Clearance to window or door 12 Inches (30 cm) that...
  • Page 5 CLEARANCES As you face the heater, the clearance to a side wall on the right side is 0" (Fig. 1), 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".
  • Page 6 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 18 inches (46 cm) above the floor. You must build a platform 18" above floor, the full width and depth of the heater, including the rear trim kit.
  • Page 7: Installation

    INSTALLATION Failure to follow these instructions carefully could result in poor performance_ property damage, personal injury_ or death. STEP 1. LOCATE VENT OPENING (Requires 3-1/2" diameter wall opening) 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.
  • Page 8: Vent System

    INSTALLATION - CONTINUED STEP 3 INSTALLING VENT SYSTEM 5" - 32" WALL THICKNESS (12.7 cm - 81.3 cm) Use only factory supplied parts. Do not attempt to modi62 in any way. To do so could cause a system imbalance resulting in poor performance and/or unsafe operating conditions.
  • Page 9: Lighting Instructions

    STEP 4. INSTALLING HEATER Screw wall brackets to wall. Location marked with template. (See Step la) Screw trim kit brackets to back of heater. (See Figure 9). Slide heater to within approximately 5" from wall. Attach air intake hose to collector box outlet and burner box inlet with clamps provided. (See Figure 10).
  • Page 10: For Your Safety Read Before Operating

    FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. This appliance does not have a pilot. It is • If you cannot reach your gas supplier, call equipped with an ignition device which the fire department.
  • Page 11 If you experience a problem with the pressure switch, contact a qualified service agency to replace the factory installed pressure switch with a high altitude pressure switch P/N 72521. To order see your local Cozy dealer or contact the factory. Page 11...
  • Page 12 WIRING WARNING This appliance is equipped with a three prong grounding FHIS IS A GAS-FIRED APPLIANCE. KEEP plug. For your protection against shock hazard, this ap- AREA CLEAR OF GASOLINE AND OTHER FLAM pliance should be plugged directly into a properly grounded three-prong receptacle.
  • Page 13 SEQUENCE OF OPERATION - HEDV403/4 THERMOSTAT Th_lmostat CALLS FOR is satisfied HEAT t 15 sec tX+15 FX÷120 STEP STEP Thermostat calls for heat. 8) Continued... Combustion fan turns on. return to Step 2. If after 3 attempts Pressure switch closes. malfunction still occurs, furnace will Power to Ignitor.
  • Page 14 HEVK-5 5' VENT EXHAUST 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 unsatis*actory performance. CONTENTS OF KIT 1 only P/N 72532 21_x3' ,' Steel Coupling 1 only P/N 41520 Center Bracket...
  • Page 15: Special Instructions

    HEVE-5 HECK-1 VENT ENCLOSURE CONDENSATE INSTALLATION INSTRUCTIONS INSTRUCTIONS STEP 1)Position end of Part No. 41610 enclosure body to STEP 1)Attach condensate trap to back of heater using 2 #8 heater trim kit where pipes exit trim kit, centering screws provided, as shown below. End of trap pipes inside body and attach to wall.
  • Page 16: Maintenance

    MAINTENANCE INSTRUCTIONS For proper and sate operation keep furnace and furnace area clean. At regular intervals turn control valve to otL 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...
  • Page 17: Burner Orifice

    TROUBLE SHOOTING CHART SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION Flame too large Defective operator section of valve, i. Replace valve. Bumer orifice too large. 2. Check with local gas company for proper orifice - size and replace. If installed above 2,000 ft. 3.
  • Page 18: Trouble Shooting

    TROUBLE SHOOTING CONTROL BOARD To improve diagnosing and servicing, this control board is equipped with a self diagnosing green status light (see wiring diagram). To indicate stand by mode and proper operation this light will remain on. If there should be a malfunction, the light will flash a varying number of times with a pause between...
  • Page 19: Model Numbers

    For prompt parts service, contact the wholesaler fiom which you purchased your Cozy heater. NOTE: Parts & schematic drawings on current models are shown at _vw.cozyheaters.com.
  • Page 20 For prompt parts service, contact the wholesaler from which you purchased your Cozy heater. NO]E: Parts & schematic drawings current models are shown at w_v.cozyheaters.com...
  • Page 21 IMPORTANT SAFETY BULLETIN ON YOUR GAS CONTROL PILOT LIGHT SYSTEM HEATING EQUIPMENT WHAT DON'T KNOW HURT YOU. Your pilot light system has been designed for safe and reliable operation. Although safety mechanisms are built-in, the potential for hazard exists. This information is intended to help you avoid these hazards. YOUR CONTROL PILOT...
  • Page 22: Wananty

    10 Years Cozy Gas Fired Counterflow Furnace 10 Years Cozy Gas Fired Counterflow Direct Vent Furnace 10 Years Cozy Gas Fired Mobile Home Direct Vent Furnace 10 Years Cozy Gas Fired Hi-Efficient Direct Vent Wall Furnace LOUISVILLE TIN AND STOVE COMPANY RO.

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Hedv403

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