Thermo Pride GMD1-80N, Installation And Service Manual

Page 1: ...ns If you cannot reach your gas supplier call the fire department If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injur...

Page 2: ...instrumentation to setup the burner may result in reduced efficiency sooting and or the production of hazardous carbon monoxide gas Any attempt to relocate safety controls or replace safety controls...

Page 3: ...cubic ft of hydrogen sulfide gas Check with your gas supplier If you suspect there is a problem with the furnace the venting system or any other related problem immediately contact a qualified service...

Page 4: ...performed by qualified service personnel 3 This page and the following page contain reproductions of the various warning and instruction labels placed on the Thermo Pride Gas Furnace Please read and c...

Page 5: ...All installations and services must be performed by qualified service personnel 4...

Page 6: ...9 J PROPANE CONVERSION 21 K INITIAL START UP 24 L ADJUSTMENT OF BTU INPUT RATE 24 M BURNER ADJUSTMENT 26 N SETTING TEMPERATURE RISE 27 O FURNACE CHECKOUT PROCEDURE 27 V INSTALLER S INSTRUCTIONS TO USE...

Page 7: ...r shall be familiar with and comply with all codes and regulations applicable to the installation of these heating appliances and related equipment In lieu of local codes the installation shall be in...

Page 8: ...dant treated or plastered b Non combustible material material that is not capable of being ignited and burned such as material consisting entirely of or a combination of steel iron brick tiles concret...

Page 9: ...TURE RISE F 70 SEASONAL EFFICIENCY AFUE 81 AFUE INCLUDES STEADY STATE THERMAL EFFICIENCY AND OFF CYCLE LOSSES ELECTRICAL RATINGS AND SETTINGS ELECTRICAL SUPPLY 115 VAC 60HZ 1 PHASE MAXIMUM TIME DELAY...

Page 10: ...PRODUCTS INC BLOWER MODEL 10 9 DIRECT DRIVE NOMINAL MOTOR POWER OUTPUT HORSEPOWER 1 3 TYPICAL AIRFLOW SPECIFIED EXTERNAL STATIC PRESSURES SCFM IN W G ESP IN W C 0 2 0 5 LOW SPEED 712 640 MEDIUM LOW SP...

Page 11: ...free area of the 4 inch diameter vent collar exiting the furnace or 12 5 square inches Maximum chimney sizes and acceptable installation practices are referenced in the following publication When inst...

Page 12: ...installations and services must be performed by qualified service personnel 11 Combustible Floor Base Model 70 BASE Figure 1A Cottage Base Model 01COT BASE Figure 1B Coil Cabinet Model CE111S Figure...

Page 13: ...of feeder duct Remove the bottom panel Cut an opening in the duct slightly larger than the feeder duct Cut the feeder duct to length Refer to Figure 3 for location of this cut Install the feeder duct...

Page 14: ...nel trim the flanges down to 1 inch While pulling the top of the distribution duct up with one hand bend down each side of the feeder duct tightly to the top panel with the other hand This assures a t...

Page 15: ...for additional information 3 Coil Cabinet CE111S The CE111S coil cabinet figure 1C is for applications requiring air conditioning The coil cabinet is designed to have the combustion air brought in fr...

Page 16: ...space Figure 5 1 The return air opening into the closet is to have a minimum free area of 250 square inches refer to Figure 5 2 The return air opening may be located in the top the center or ideally t...

Page 17: ...cation of the outside combustion air intake terminal e g an optional stainless steel intake hood part no 370183 is through the side of the structure skirting or enclosure An acceptable alternate locat...

Page 18: ...f straight duct Reduce this length by 6 feet for the intake hood and each 90 degree elbow used and by 3 feet for each 45 degree elbow used the combustion air duct CAUTION Flexible spiral or corrugated...

Page 19: ...g the appliance at test pressures equal to or less than 1 2 PSIG or 13 9 inches W G Copper and brass tubing and fittings except tin lined shall not be used if the gas contains more than a trace 0 3 gr...

Page 20: ...or propane gas the maximum supply pressure is 14 0 in W G and the minimum supply pressure for purposes of input adjustment is 11 0 in W G I ELECTRICAL WIRING When testing electrical equipment always f...

Page 21: ...or the GMD refer to the thermostat literature for additional information Five conductor thermostat wire is recommended for 24 VAC low voltage control circuit wiring How ever only 2 wires are required...

Page 22: ...ace with this kit The installation of this conversion kit must be done only by qualified service personnel These instructions must be read in their entirety before converting the furnace Follow the st...

Page 23: ...s used on all threaded joints The gas supply shall be shut off prior to disconnecting the electrical power before proceeding with the conversion 1 Shut off gas to the furnace at the main manual gas sh...

Page 24: ...into their respective burners and the groove of the rubber grommet on the manifold lines up on the edge of the burner box to seal around the manifold Secure it with four screws See figure 8 8 Inspect...

Page 25: ...stallation of gas piping It may be necessary to purge the air out of the gas line for initial start up of the furnace after installation A qualified heating contractor should do this If excessive gas...

Page 26: ...stopwatch clock the time required for the small dial on the gas meter to make one full revolution The meter dial will state the cubic feet of flow for one revolution usually one two or five FORMULA BT...

Page 27: ...r the unit is installed on an unmetered propane gas supply Shut off the gas supply to the furnace Remove the pressure gage and re install the pipe plug using a thread compound resistant to the action...

Page 28: ...djusted and clear and the supply and return air ducts are open The circulating air blower is not moving enough air if the supply air temperature is still too high Before proceeding further turn off th...

Page 29: ...return air opening or disconnect blower motor leads c Restore power to furnace d Set thermostat above room temperature calling for heat e When high air temperatures are reached in furnace at limit con...

Page 30: ...e correct operation and maintenance of the appliance as outlined in the Users Information section of this manual 5 That failure to maintain and operate this furnace in accordance with these instructio...

Page 31: ...ARM UP IS 20 SECONDS POWER INTERRUPTION SYSTEM SHUTS OFF RESTARTS WHEN POWER IS RESTORED PRESSURE SWITCH SENSES ADEQUATE DIFFERENTIAL PRESSURE CONTACTS CLOSE THERMOSTAT CALLS FOR HEAT CONTACTS CLOSE C...

Page 32: ...OF SIX RECYCLES AFTER SIX UNSUCCESSFUL RECYCLE ATTEMPTS THE CONTROL WILL GO INTO SYSTEM LOCKOUT AFTER THE DELAY TO FAN OFF PERIOD ENDS THE CIRCULATING AIR FAN AND OPTIONAL ELECTRONIC AIR CLEANER ARE D...

Page 33: ...cal procedures and precautions 1 Check for line voltage 110 120VAC to the furnace If there is no line voltage applied to the furnace check that disconnecting switch is on fuses or circuit breakers hav...

Page 34: ...is in the system external to the control the LED will flash in the following flash pause sequences to indicate failure status each flash will last approximately 0 25 seconds and each pause will last...

Page 35: ...MAKE CONTACT REPLACE TRANSFORMER CHECK INPUT POWER SERVICE SWITCH AND FUSES IS INTERNAL DAMAGE PRESENT ON THE TRANSFORMER ARE WIRES CONNECTED PROPERLY CORRECT WIRE CONNECTIONS COOL THE THERMOSTAT IS R...

Page 36: ...MORE THAN ONE SECOND IF LED STAYS ON CONTINUOUSLY REPLACE INTEGRATED CONTROL IS THERE LINE VOLTAGE ACROSS HOT SURFACE IGNITOR TERMINALS IGN IGN N AT THE INTEGRATED CONTROL CHECK WIRING TO HOT SURFACE...

Page 37: ...BURNERS STAY LIT PAST PROOF OF FLAME CHECK CHECK FLAME PROVING CIRCUIT DOES THE INTEGRATED CONTROL ENERGIZE THE CIRCULATING AIR BLOWER AFTER THE 45 SECOND TIME DELAY CHECK ACROSS THE CIRCULATING AIR B...

Page 38: ...SECONDS Yes Yes No No Yes No Yes Yes IF LED FLASHES 1 FLASH THEN PAUSE SYSTEM LOCKOUT 2 FLASHES THEN PAUSE PRESSURE SWITCH STUCK CLOSED 3 FLASHES THEN PAUSE PRESSURE SWITCH STUCK OPEN 4 FLASHES THEN P...

Page 39: ...ace when operating 3 Check amp draw on blower motor and inducer motor to assure they are not exceeding nameplate amp rating 4 Check for correct operation and proper settings if manually adjustable of...

Page 40: ...properly sized agency approved vent pipe E GASKETS SEALING MATERIALS Inspect all visible gaskets for signs of degradation especially any seals which were removed as part of the inspection Replace any...

Page 41: ...ace inspected and started by a qualified service person 9 Set the room thermostat above room temperature 10 Open all shutoff valves in the gas supply line 4 Turn on the main power at the disconnecting...

Page 42: ...section of this manual The area around the furnace should be kept free and clear of combustible materials especially papers and rags Do not block or obstruct air openings on the furnace casing Do not...

Page 43: ...typical furnace installation and typical position of the components referenced in these instructions Figure 10 C INSPECTION AREAS IMPORTANT For safe operation it is the responsibility of the owner and...

Page 44: ...ndensate streaks 4 ROOF JACKS The furnace roof jack should be inspected for signs of rust or corrosion pitting or holes signs of excessive condensation or moisture leaking from roof jack D FILTER LOCA...

Page 45: ...All installations and services must be performed by qualified service personnel 44 APPENDIX A REPLACEMENT PARTS LIST...

Page 46: ...All installations and services must be performed by qualified service personnel 45...

Page 47: ...All installations and services must be performed by qualified service personnel 46 APPENDIX B WIRING DIAGRAM...