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OPERATING INSTRUCTIONS
MODEL NUMBERS
NAT. GAS
L.P. GAS
WARNING: If the information in these instructions are
not followed exactly, a fire or explosion may result
causing property damage, personal injury or death.
-
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.
•
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.
-
INSTALLATION AND SERVICE MUST BE PER-
FORMED BY A QUALIFIED INSTALLER,
SERVICE AGENCY OR THE GAS SUPPLIER.
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 technician.
This appliance may be installed in an aftermarket, 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 for residential use only and is not approved for installation in greenhouses, or environ-
ments involving dusty, wet, corrosive, or explosive conditions. Such conditions will invalidate the
warranty and may create unsafe conditions.
Installation, maintenance, service, trouble shooting and repairs must be performed by a qualified
service agency. Mr./Mrs. Homeowner, do not attempt any of these procedures yourself as this could
expose you to property damage, personal injury, or loss of life and will invalidate all warranties.
INSTALLATION AND
P/N 72903
HEDV253A HEDV403A
HEDV254A HEDV404A
HI-EFFICIENT
DIRECT VENT
WALL FURNACE
/
JUNE 2015
INSTALLER: Leave this manual with the
appliance.
CONSUMER: Retain this manual for future
Remove cabinet to access gas control knob.
HEDV25
reference.
HEDV40
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Table of Contents
Related Manuals for COZY HEDV25
Summary of Contents for COZY HEDV25
- Page 1 Do not store or use gasoline or other flammable vapors HEDV25 and liquids in the vicinity of this or any other appliance. WHAT TO DO IF YOU SMELL GAS: •...
-
Page 2: Table Of Contents
The State of Massachusetts requires that installation and service of a gas appliance be performed by a plumber or gas fitter licensed in the Commonwealth of Massachusetts. CONTENTS Removing Main Burner…..…………… Introduction…………………………...….. 2 Proper Burner Flame..………………… 11 Specifications and Dimensions…………. Wiring Diagram..……………………... -
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, 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. - Page 4 FIGURE 1 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)
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Page 5: Clearances
Clearances listed are minimum. Adequate accessibility clearances for servicing must be main- tained. CEILING OR OVERHANG CEILING OR OVERHANG 0” Left Right 0” Left 1” Side Side Right Side 1” Wall Wall Side Wall Wall HEDV25 HEDV40 FIGURE 2 Page 5... -
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
ATTENTION ALL CANADIAN CONTRACTORS/INSTALLERS: Before installing this heater into a multi-family hi-rise exceeding four stories, contact the local building code inspector to verify the building construction complies with the Progressive Col- lapse requirements as listed in the National Building Code of Canada 2005. INSTALLATION Failure to follow these instructions carefully could result in poor performance, property damage, personal injury, or death. - Page 8 Gas Inlet Gas Inlet Air Intake Air Intake Flue Outlet Flue Outlet 6-1/8” (15.6 cm) 5-7/8” (14.9 cm) HEDV25 - Figure 6 HEDV40 - Figure 6 FIGURE 5 Vent Cap Collection Box Assembly Assembly Vent Cap Mounting Plate FIGURE 7...
- Page 9 STEP 4. 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”...
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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: Burner Orifice
PROPER BURNER FLAME The burner flame may be observed by raising the sight Primary Flame glass cover. A proper flame will have a dark blue inner mantle, with a lighter blue outer mantle that extends from Burner the burner into the 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. -
Page 12: Wiring Diagram
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. Pressure Thermostat Black Switch Gas Valve HEDV25-A, HEDV25-A, HEDV40-A HEDV40-A P r e s s u r e Valve Black Switch Blue... - Page 13 Page 13...
- Page 14 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. This kit must be installed by a qualified installer or service technician.
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Page 15: Installation Instructions
HEVE-5 VENT ENCLOSURE KIT INSTALLATION INSTRUCTIONS This kit must be installed by a qualified installer or service technician. 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. - Page 16 Always use this kit when the vent has a vertical run, or where local codes prohibit draining condensate to the outside. Use only Cozy Heating Systems supplied parts. Failure to use factory supplied parts or to follow these instructions may result in unsatisfactory performance, property damage, personal injury and/or loss of life.
- Page 17 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 on.
- Page 18 TROUBLE SHOOTING CHART - For use by a qualified service technician. CORRECTIVE ACTION SYMPTOM POSSIBLE CAUSES To be taken by Contractor 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.
- Page 19 TROUBLE SHOOTING CHART - for use by a qualified service technician. 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.
- Page 20 ATTN: CONTRACTORS AND SERVICE TECHNICIANS, 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 21 ATTN: CONTRACTORS AND SERVICE TECHNICIANS , 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 current models are shown at www.cozyheaters.com...
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