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COZY 90N30A Installation And Operating Instructions Manual

Cozy/ louisville tin and stove co. inc. installation and operating instructions gas-fired vented floor furnace 90n30a, 90n50a, 90n65a, 90n75a.
P/N 74521
REV. 08/97
NATURAL GAS
WARNING: If the information in this manual is 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.
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 PERFORMED
BY A QUALIFIED INSTALLER, SERVICE AGENCY OR
THE GAS SUPPLIER.
WARNING: Operation of this furnace when not connected to a properly installed
and maintained venting system can result in Carbon Monoxide (C.O.) poisoning
and possible death. For your safety, this furnace and the venting system should
be inspected at least annually by a qualified service person.
THIS UNIT IS NOT APPROVED FOR INSTALLATION IN MOBILE HOMES,
GREENHOUSES, OR ENVIRONMENTS INVOLVING DUSTY, WET, CORROSIVE, OR
EXPLOSIVE CONDITIONS. SUCH CONDITIONS WILL INVALIDATE THE WARRANTY
Gas-Fired Vented
FLOOR FURNACE
INSTALLATION AND
OPERATING INSTRUCTIONS
MODEL NUMBERS
MILLIVOLT CONTROL SYSTEM
90N30A
AND MAY CREATE UNSAFE CONDITIONS.
90N50A
90N65A
The coating selected to provide
longer life to the heat exchanger
may smoke slightly upon initial
firing. Please provide adequate
ventilation if this occurs.
R
90N75A

   Summary of Contents for COZY 90N30A

  • Page 1

    WARNING: Operation of this furnace when not connected to a properly installed and maintained venting system can result in Carbon Monoxide (C.O.) poisoning and possible death. For your safety, this furnace and the venting system should be inspected at least annually by a qualified service person.

  • Page 2

    Check the model numbers on the two cartons to be sure they match.

  • Page 3

    Seal all cracks around windows, doors, and attic access doors or significant heat loss will occur. Listed below are steps that are part of a floor furnace installation. You must see that each step is followed closely so that the floor furnace will provide maximum efficiency with safe operation.

  • Page 4

    Keep furniture, drapes, doors, and other combustible materials at least 12 inches from the edge of the grill. Never locate the floor furnace closer than 8 inches to a wall and never in a corner. See Figure 2.

  • Page 5

    16 ounce per square foot sheet copper or a suitable substitute. Size the pan to provide 6 inches clearance to the bottom of the floor furnace, 18 inches on the side where the gas valve is located and 6 inches on the other three sides.

  • Page 6

    The floor furnace you have selected was carefully designed to operate both safely and efficiently when vented with the proper size vent listed for each furnace on Page 2 of these instructions. We do not recommend doing so, but if you must vent into a masonry chimney use the following instructions.

  • Page 7

    FIGURE 7A If the floor furnace is vented into a masonry chimney, the chimney must be inspected to determine that it is clear and free of obstructions and that it is safe for the intended use. The inside of the chimney must be at least 6 inches in diameter or 6 inches by 6 inches if rectangular.

  • Page 8

    The gas piping system must meet the requirements of local codes or the specifications of the servicing gas supplier. It must have adequate capacity to supply the floor furnace and any other appliance within the home with enough gas to maintain the full rated capacities without excessive pressure drop when all appliances are operating at full rate.

  • Page 9

    All joints must be tested for leaks by applying pressure to the piping system. If the test pressure is equal to or less than ½ PSIG the floor furnace must be isolated from the gas supply piping system by closing the manual gas shut-off valve on the floor furnace.

  • Page 10

    The thermostat must never be installed in an adjoining room where a door can be closed between the thermostat and floor furnace. This floor furnace is equipped with a self-generating control system.

  • Page 11

    “PILOT” to “ALL OFF” unless the Locate the red piezo igniter button beside the control rod. control rod is 10. Press down on the control rod with the furnace key. pushed down Immediately begin a series of pushing and releasing the slightly.

  • Page 12

    After the floor furnace has been burning for five minutes, hold a match or candle under the draft hood at the air intake area. If the vent system is working properly, the flame will be pulled into the air inlet of the draft hood. If the vent system is not working properly, turn the floor furnace off immediately and refer to the installation instructions or local code for proper installation procedure.

  • Page 13

    Manifold Pressure, Natural Gas………………………………………………………….. Manifold Pressure, Liquefied Petroleum (L.P.) Gas…………………………………….. Your floor furnace has been designed to meet all safety requirements of the American National Standards Institute and government regulations by offering two modes of operation. OPTION 1. Place the furnace key on the damper control...

  • Page 14

    Wiring errors can cause improper and dangerous operation. For proper operation, Floor Furnace must be kept clean. At regular intervals turn control valve to off, let cool, remove register and clean dust and foreign material from jacket with vacuum cleaner.

  • Page 15

    TROUBLE SHOOTING CHART - MAIN BURNER SYMPTOM Flame too large 1. Defective operator section of gas valve. 2. Burner orifice too large. 3. If installed above 2,000 ft. Flame pops back Too much primary air. Noisy Flame 1. Too much primary air. 2.

  • Page 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. NOTE: Parts & schematic drawings on current models are shown at www.cozyheaters.com. MODELS INCLUDED: 90N30A NAT. 90N50A NAT. 90N65A NAT. 90N75A NAT. 90N65A...

  • Page 17

    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. 90N30A 90N50A NAT. REF. PART...

  • Page 18

    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.

  • Page 19

    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 the appliance) must be completed and returned to the factory.

This manual also for:

90n50a, 90n65a, 90n75a

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