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COZY HEDV403 Installation And Operating Instructions Manual

Hi-efficient direct vent wall furnace
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OPERATING INSTRUCTIONS
R
MODEL NUMBERS
NAT. GAS
HEDV403
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 store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
•
Do not try to light any appliance.
other appliance.
•
Do not touch any electrical switch; do not use any
- WHAT TO DO IF YOU SMELL GAS:
phone in your building.
•
Immediately call your gas supplier from a neighbor's
Do not try to light any appliance.
phone. Follow the gas supplier's instructions.
Do not touch any electrical switch; do not
•
If you cannot reach your gas supplier, call the
use any phone in your building.
fire department.
Immediately call your gas supplier from a
neighbor's phone. Follow the gas
-
INSTALLATION AND SERVICE MUST BE PER-
supplier's instructions.
FORMED BY A QUALIFIED INSTALLER,
If you cannot reach your gas supplier, call
SERVICE AGENCY OR THE GAS SUPPLIER.
the fire department.
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 unit is not approved for installation in greenhouses, or environments involving dusty, wet, corro-
sive, or explosive conditions. Such conditions will invalidate the warranty and may create unsafe
HI-EFFICIENT DIRECT
VENT WALL FURNACE
INSTALLATION AND
P/N 72903
/
L.P. GAS
HEDV404
conditions.
December 2006
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
R

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Summary of Contents for COZY HEDV403

  • Page 1 INSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference. NAT. GAS L.P. GAS HEDV403 HEDV404 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.

  • Page 2: Table Of Contents

    MODEL INPUT T Y P E MAX. WALL MIN. WALL BTU/HR. WIDTH DEPTH HEIGHT CONN. Thickness Thickness HEDV403 40,000 34-1/2” 9” 30” 1/2” Nat. 32” 5” HEDV404 40,000 34-1/2”...

  • Page 3: Safety Rules

    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 A copy may be obtained from the CSA International, or the National Fire Protec- tion Association, Batterymarch Park, Quincy, MA.
  • Page 4 Vent Terminal Air Supply Inlet Area where terminal is not permitted VENT TERMINAL CLEARANCES REFERENCE LETTER TO CANADIAN U.S. INSTALLATIONS² DRAWING INSTALLATIONS¹ A = Clearance above grade, 12 Inches (30 cm) 12 Inches (30 cm) veranda, porch, deck, or balcony B = Clearance to window or door 12 Inches (30 cm) 9 Inches (23 cm)

  • Page 5: Clearances

    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”. (See Figure 3).

  • Page 6: Location

    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 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 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.

  • Page 9: Lighting Instructions

    STEP 4. INSTALLING HEATER Screw wall brackets to wall. Location marked with template. (See Step 1a) 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). Attach vent exhaust tube to exhaust pipe on collector box and draft inducer outlet on back of heater.

  • Page 10: Operating Instructions

    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: Pilot Adjustment

    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 Diagram

    WIRING WARNING This appliance is equipped with a three prong grounding THIS IS A GAS-FIRED APPLIANCE. KEEP THE 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 MABLE VAPORS AND LIQUIDS.

  • Page 13: Sequence Of Operation

    SEQUENCE OF OPERATION - HEDV403/4 @t=0 @t=X THERMOSTAT Thermostat CALLS FOR is satisfied t=10 sec. t=15 sec. t=20 sec. t=50 sec. t=X+15 sec. HEAT t=x sec. t=X+120 sec. Power to IGNITION Blower Blower Power to Burners Combust. Combust. Flow PROVED?

  • Page 14: Optional Kits

    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 unsatisfactory performance. CONTENTS OF KIT 1 only P/N 72532 2”x3”...

  • Page 15: Installation Instructions

    HEVE-5 HECK-1 VENT ENCLOSURE KIT CONDENSATE KIT 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.
  • Page 16 MAINTENANCE INSTRUCTIONS For proper and safe operation keep furnace and furnace area clean. At regular intervals turn control valve to off, 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 off fumes when furnace is turned Remove the blower filter from back of heater and clean as needed.

  • Page 17: Trouble Shooting

    TROUBLE SHOOTING CHART SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION Flame too large 1. Defective operator section of valve. 1. Replace valve. 2. Burner orifice too large. 2. Check with local gas company for proper orifice - size and replace. 3. If installed above 2,000 ft. 3.
  • Page 18 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 each series of flashes.

  • Page 19: Parts Drawing

    Mr. Contractor, we only sell parts through our wholesalers, but the prices listed are for your convenience. For prompt parts service, contact the wholesaler from which you purchased your Cozy heater. NOTE: Parts & schematic drawings on current models are shown at www.cozyheaters.com.

  • Page 20: Parts List

    Mr. Contractor, we only s ell parts through our wholes alers , but the prices lis ted above are for your convenience. For prom pt parts s ervice, contact the wholes aler from which you purchas ed your Cozy heater.
  • Page 21 IMPORTANT SAFETY BULLETIN ON YOUR GAS CONTROL AND PILOT LIGHT SYSTEM FOR HEATING EQUIPMENT WHAT YOU DON’T KNOW CAN 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 GAS CONTROL AND PILOT LIGHT SYSTEM WHAT TO DO IF YOU SMELL GAS .

  • Page 22: Warranty

    Cozy Gas Fired Counterflow Furnace 10 Years 10 Years Cozy Gas Fired Counterflow Direct Vent Furnace 10 Years 10 Years Cozy Gas Fired Mobile Home Direct Vent Furnace 10 Years 10 Years Cozy Gas Fired Hi-Efficient Direct Vent Wall Furnace 10 Years 10 Years...

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