Thermo Pride OME-72D36, Installation And Service Manual

Page 1: ...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 injury or...

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Page 3: ...e and clear of combustible materials especially papers and rags NEVER burn garbage or refuse in your furnace NEVER try to ignite oil or gas by tossing burning papers or other material into your furnac...

Page 4: ...r operating shall be no more negative than minus 0 05 inch water column Do not obstruct any return air openings including the return grille on the furnace To do so may cause the furnace to activate th...

Page 5: ...nite oil or gas by tossing burning papers or other material into your furnace Do not attempt to start the burner when 1 Excess oil or gas has accumulated 2 The furnace is full of vapors 4 The combusti...

Page 6: ...rformed by qualified service personnel 4 c c This page and the following page contain reproductions of the various warning and instruction labels placed on the Thermo Pride Oil Furnace Please read and...

Page 7: ...All installations and services must be performed by qualified service personnel 4a...

Page 8: ...19 J ELECTRICAL WIRING 21 1 Electrical Branch Supply Circuit 22 2 Connection of Power Supply Wires 22 3 Connection of Thermostat Wires 22 4 Blower Controller Information for PSC CTM Motor 23 5 Wiring...

Page 9: ...ANSI 119 2 NFPA 501C for all recreational vehicle installations c American National Standard ANSI Z223 1 NFPA 54 for all gas fired furnaces d American National Standard ANSI Z95 1 NFPA 31 for all oil...

Page 10: ...glass and plaster This heating appliance must be installed with clearances to combustible material surfaces of not less than the minimum distances given below Also allow ample clearances for servicing...

Page 11: ...OFF CYCLE LOSSES ELECTRICAL RATINGS AND SETTINGS ELECTRICAL SUPPLY 120 VAC 60HZ 1 PHASE MAXIMUM TIME DELAY TYPE FUSE OR HACR BREAKER RATING 15 AMPS TOTAL RATED CURRENT AMPS 10 3 NOMINAL HEAT ANTICIPAT...

Page 12: ...ION REFER TO SECTION M FLUE GAS COMBUSTION ANALYSIS BLOWER DATA ALL SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE FURNACE MODEL OME 72D36 OME 72T36 BLOWER MODEL 12 9T 12 9T MOTOR H P HP HP NO OF...

Page 13: ...ng the furnace or 12 5 square inches Maximum chimney sizes and acceptable installation practices are referenced in the following publications In lieu of local codes when installing the OME 72 with fue...

Page 14: ...This furnace is ETL listed for closet alcove or freestanding applications All applications must comply with the requirements of this manual Combustible Floor Base Model 70 BASE Figure 1A Cottage Base...

Page 15: ...cut Cut the connector duct to length Install the connector duct Bend over each tab Insure an airtight seal by using high temperature sealant or tape on the joint Reinstall the bottom panel over the c...

Page 16: ...d bend down each side of the connector duct tightly to the base assembly with the other hand This assures a tight connection between the base assembly and the connector duct and that the distribution...

Page 17: ...o the application conditions and temperatures e g using high temperature silicone caulk and or aluminum tape If the combustion air passageway cannot terminate outside of the structure a permanent open...

Page 18: ...t Refer to section G COMBUSTION AIR for additional combustion air requirements Figure 4 F CLOSET INSTALLATION HAZARD OF ASPHYXIATION A suction effect will occur when the furnace is operating inside th...

Page 19: ...st have a flame spread classification of 200 or less 6 Pans made of a non combustible material having 1 inch upturned flanges are to be located beneath openings in a floor return air duct system 7 Wir...

Page 20: ...the two smaller clamps to affix the hose to the boot and the boot to the male end of elbow After cutting the flexible hose to the appropriate length attach it to the street ell and the black adapter u...

Page 21: ...All installations and services must be performed by qualified service personnel 18 Figure 6...

Page 22: ...urn line should be connected between the fuel pump and tank This requires insertion of the by pass plug into the fuel pump If the lift exceeds approximately 10 feet a two stage pump should be installe...

Page 23: ...line IMPORTANT An oil safety valve or a delayed action solenoid valve is required with all gravity feed oil supply systems IMPORTANT The oil storage tank must be free of water sludge and scale to pre...

Page 24: ...gure 7 J ELECTRICAL WIRING All electrical wiring must be installed in strict accordance with local ordinances and codes In the absence of local ordinances and codes all electrical wiring must conform...

Page 25: ...t wire to the black wire marked L1 d Connect the Neutral wire to the white wire marked L2 e Connect the ground wire to the ground lug 3 Connection Of Thermostat Wires NOTE Class 1 thermostat wire must...

Page 26: ...frequently Either condition may not provide optimal comfort to the homeowner 4 BLOWER CONTROLLER INFORMATION FOR PSC CTM MOTOR TERMINAL DEFINITIONS FIELD WIRING Burner Harness Connector P1 Pin 1 Limi...

Page 27: ...will light when the control receives a call for heat Refer to the Heat Mode section for the control operation Thermostat call for fan G 24 VAC thermostat input A call for fan is recognized when the t...

Page 28: ...The thermostat inputs and limit switch are continuously monitored The control initiates action when a thermostat call is received or limit switch opens Fan Mode A call for fan G is received from the t...

Page 29: ...r speed is energized The control remains in steady heat mode until the thermostat is satisfied When the call for heat signal is removed the T T terminal is de energized and the blower off delay is sta...

Page 30: ...t Draw Power Amps Watts vs External Static pressure in WC Low 3 2 309 3 2 310 3 0 297 2 9 292 2 8 285 2 7 280 2 6 271 ML 4 0 400 4 0 394 3 9 386 3 7 374 3 5 364 3 4 352 3 3 343 MH 4 9 508 4 8 497 4 6...

Page 31: ...essure in WC Low 1 6 111 1 6 116 1 7 121 1 7 126 1 8 130 1 8 135 1 9 141 ML 2 2 166 2 3 172 2 3 178 2 4 183 2 5 189 2 5 195 2 6 200 MED 2 5 193 2 6 200 2 7 206 2 7 212 2 8 217 2 9 224 2 9 230 MH 3 1 2...

Page 32: ...re driven by the Y W G and DEHUM inputs and are located directly below those inputs They will light to indicate the presence of these signals The red Board Status LED has two functions It will light w...

Page 33: ...All installations and services must be performed by qualified service personnel 30 WIRING DIAGRAM...

Page 34: ...All installations and services must be performed by qualified service personnel 31...

Page 35: ...hex head machine screw nuts provided in the Parts Kit 4 Connect the red and white wires from the burner harness to the black red and white burner power leads found underneath the primary control Then...

Page 36: ...vacuum Turn the main service switch that provides power to the furnace to the off position Set thermostat above room temperature Open all fuel supply valves Bleed air out of fuel supply line if not a...

Page 37: ...n close to the furnace For the greatest efficiency if the first smoke reading is 0 close the air shutter on the burner until a trace smoke reading is obtained 4 FLUE GAS TEMPERATURE The flue gas tempe...

Page 38: ...ts refer to the table below BURNER COMBUSTION PARAMETERS FURNACE MODEL OME 72 LOW FIRE HIGH FIRE FUEL TYPE 1 OR 2 FUEL OIL 1 OR 2 FUEL OIL CO CARBON MONOXIDE 50PPM OR LESS 50PPM OR LESS CO2 CARBON DIO...

Page 39: ...rough view port prior to removing doors When testing electrical equipment always follow standard electrical procedures and precautions 1 Check for line voltage 110 120VAC to the furnace If there is no...

Page 40: ...ed switch No Have either of the high limit thermostats activated No Yes No Yes Turn power switch on Wait for furnace to cool Look for cause s of high limit activation eg low airflow over firing blocke...

Page 41: ...s the air boot shutter open adequately Yes Check wiring to burner motor If okay replace burner motor Correct wire connections Replace thermostat Are the thermostat wires connected properly Yes No No N...

Page 42: ...e 120 VAC across the ignition transformer Try resetting the oil primary control by depressing the RESET button Check cad cell function If all else fails replace the oil primary Check wiring to the ign...

Page 43: ...set correctly Measure voltage on the circulating air blower terminals Is it 120 VAC Check wiring to blower If okay set fan selector switch to manual If fan operates replace fan timer Yes Yes Yes No No...

Page 44: ...airflow through the furnace This may be caused by an excessively restrictive duct system an inadequate amount of supply air especially for furnaces installed in closets or extremely dirty air filters...

Page 45: ...control according to the instructions packed with the control C HEAT EXCHANGER CLEANING INSTRUCTIONS The heat exchanger must be cleaned by a qualified service person For oil fired units it is importan...

Page 46: ...both directions as shown in Figure 8 Figure 8 Reassemble the furnace to the original factory built condition Remount the burner being certain that the air tube is properly inserted into the chamber o...

Page 47: ...ipe E EXTENDED SHUTDOWN If this furnace is shut down or off for an extended period of time several steps can be taken to help insure a smooth and reliable start ON SHUT DOWN 1 Close the fuel supply sh...

Page 48: ...ls especially papers and rags Never burn garbage or refuse in your furnace Never try to ignite oil or gas by tossing burning papers or other material into the furnace Do not attempt to start the burne...

Page 49: ...All installations and services must be performed by qualified service personnel 46 Should the furnace not operate note diagnostic code through view port prior to removing doors...

Page 50: ...ANT For safe operation it is the responsibility of the owner and or user that the burner chimney vent pipe heat exchanger and controls should be inspected every year by a qualified heating contractor...

Page 51: ...ation or moisture leaking from roof jack D FILTER LOCATION AND CLEANING The air filter should be inspected each month and cleaned when dirty Cleaning the air filter frequently may prevent airborne con...

Page 52: ...s and services must be performed by qualified service personnel 49 BLOWER SUB ASSEMBLY OME 72D36 SHOWN AUX LIMIT NOT SHOWN ITEMS NOT SHOWN POWER HARNESS VESTIBULE HARNESS OIL NOZZLES APPENDIX A REPLAC...

Page 53: ...All installations and services must be performed by qualified service personnel 50...

Page 54: ...All installations and services must be performed by qualified service personnel 51...

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