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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
INSTALLATION AND
P/N 72903
L.P. GAS
HEDV404
conditions.
/
December 2003
INSTALLER MUST LEAVE THESE INSTRUCTIONS
WITH THE CONSUMER, HAVE THEM COMPLETE,
AND RETURN THE WARRANTY CARD.
R

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Summary of Contents for COZY HEDV403

  • Page 1 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.

  • Page 2: Table Of Contents

    AGENCIES, THE GAS SUPPLIER OR THE MANUFACTURER. Your Direct Vent Wall Furnace is shipped complete in one carton. This carton contains the furnace, vent cap, vent exhaust tube, air inlet tube, template with rough-in dimensions, installation and operating instructions, and the thermostat.

  • Page 3: Safety Rules

    Do not operate wall furnace unless it is connected to the 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.

  • Page 4: Clearances

    Vent Terminal VENT TERMINAL CLEARANCES REFERENCE LETTER TO DRAWING A = Clearance above grade, veranda, porch, deck, or balcony B = Clearance to window or door that may be opened C = Clearance to permanently closed window D = Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 Feet (61 cm) from...

  • Page 5: Wall, Or Corner Of Building Is 12". (See Figure

    0”. (See Figure 4). When the furnace is installed directly on carpeting, tile or other combustible material other than wood flooring, the furnace shall be installed on a metal or wood panel extending the full width and depth of the furnace.

  • Page 6: Location

    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 well or any other opening below ground level. Do not allow snow accumulation to build up within 12”...

  • Page 7: Installation

    1/8” N.P.T. plugged tapping, accessible for test gauge connection and a individual manual shut off valve. The furnace 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).
  • Page 8 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

    Attach vent exhaust tube to exhaust pipe on collector box and draft inducer outlet on back of heater. Secure with clamps provided. (See Figure 10). GAS CONNECTION. Make gas connection between manual shut off valve and furnace valve with approved connectors. Compounds used on threaded joints of gas piping shall be approved for use with L.P.

  • Page 10: To Turn Off Gas To Appliance

    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 equipped with an ignition device which automatically lights the burner.

  • Page 11: Pilot Adjustment

    2,000’ 2,000’ 4,000’ NATURAL GAS HEDV403 L.P. GAS HEDV404 NOTE: If this heater is installed above an elevation of 8,000 feet, the factory installed pressure switch may not function properly. 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.

  • Page 12: Wiring Diagram

    WIRING This appliance is equipped with a three prong grounding plug. For your protection against shock hazard, this ap- pliance should be plugged directly into a properly grounded three-prong receptacle. Do not cut or remove the ground- ing prong from this plug. NOTE: If any of the original wire supplied with this ap- pliance has to be replaced, it must be replaced with type 105-C wire or its equivalent.

  • Page 13: Sequence Of Operation

    SEQUENCE OF OPERATION - HEDV403/4 @t=0 THERMOSTAT CALLS FOR t=10 sec. HEAT Power to Power to Combust. Proved Ignitor Three 10 SEC Attempts Lockout PURGE Made? Three Attempts Made? STEP # Thermostat calls for heat. Combustion fan turns on. Pressure switch closes.

  • Page 14: Optional Kits

    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. 1 only P/N 72532 2”x3” Steel Coupling 1 only P/N 72575 2”x5’ Black Flocked Tube 1 only P/N 72612 2”x6’...

  • Page 15: Installation Instructions

    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.
  • Page 16 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

    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 correct size unit.
  • 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

    MODEL NUMBERS HI-EFFICIENT DIRECT VENT HEDV403 - NAT. GAS WALL FURNACE HEDV404 - L.P. GAS Prices and specifications subject to change without notice. All prices are F.O.B. factory. 15 16 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.

  • Page 20: Parts List

    Mr. Contractor, we only sell parts through our wholesalers, but the prices listed above are for your convenience. For prompt parts service, contact the wholesaler from which you purchased your Cozy heater. NOTE: Parts & schematic drawings on HEDV403 REF.
  • Page 21 IMPORTANT SAFETY BULLETIN ON YOUR GAS CONTROL AND PILOT LIGHT 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 Your gas control and pilot light system has a safety...

  • Page 22: Warranty

    Cozy Gas Fired Counterflow Direct Vent Furnace Cozy Gas Fired Mobile Home Direct Vent Furnace Cozy Gas Fired Hi-Efficient Direct Vent Wall Furnace LOUISVILLE TIN AND STOVE COMPANY P.O. Box 2767 the installer, the user should write directly to the manufacturer, and the name of an alternative service source will be supplied.

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