Two-stage, fsp category iv direct or non direct vent air furnace (60 pages)
Summary of Contents for Maytag POF1HD140AVFA
Installation, Operation and Maintenance Manual Oil Fired Warm Air Furnaces POF1HD140AVFA (Up-Flow Model with ECM) POF1HD091AVFA (Up-Flow Model with ECM) FOR YOUR SAFETY: Do not store or use gasoline or other flammable liquids or vapors in the vicinity of this, or any other appliance.
OPERATION OF OIL BURNER ..........................18 APPENDIX C OIL PRIMARY CONTROL DETAILED SEQUENCE OF OPERATION .......... 19 OIL PRIMARY CONTROL LED DIAGNOSTIC LIGHT................... 22 FINAL CHECK OUT ..............................28 HOMEOWNER’S REFERENCE TABLE......................... 29 PARTS LISTING: HIGHBOY MODEL: POF1HD140AVFA..................31 PARTS LISTING: HIGHBOY MODEL: POF1HD091AVFA..................34...
Calculation" published by the Air Conditioning Contractors of America, describes a suitable Model POF1HD140AVFA is an oil fired forced air up-flow procedure for calculating the maximum hourly heat furnace with an output capacity range of 87,000 BTU/Hr.
Before final placement of the furnace, the heat terminates flush with the inside surface of the exchanger support screws shown in the picture may be chimney liner. Seal the joint between the pipe and removed. This may be preferable if the furnace rear the lining.
Install the oil filter as close to the burner as possible. The power requirement for the POF1HD140AVFA and For further details of the oil supply tank and piping POF1HD091AVFA models is: 120 VAC, 1 Ø, 60 Hz., requirements, please refer to the instructions and 12A.
5/16” above the nozzle centerline. 14. OIL BURNER NOZZLES 17. BURNER PRIMARY (SAFETY) CONTROL The POF1HD140AVFA and POF1HD091AVFA are The furnace is equipped with a primary combustion certified for multiple firing rates, ranging from 58,000 to control, sometimes referred to as the burner relay or 116,000 Btu/h.
19. CIRCULATING AIR BLOWER (POF1HD140AVFAand POF1HD091AVFA) 19b. CIRCULATING AIR BLOWER The POF1HD140AVFA and POF1HD091AVFA furnace (POF1HD140AVFA and POF1HD091AVFA) models are equipped with direct drive blower systems. (See Section 22 Page 9) POF1HD140AVFA and POF1HD091AVFA models are equipped with electronically commutated motors (ECM).
21. OPERATING INSTRUCTIONS The furnace filter(s) should be inspected, cleaned or (POF1HD140AVFA and POF1HD091AVFA) replaced monthly. The furnace is factory equipped with a semi-permanent type filter. If the filter is damaged, Before Lighting replace with filters of the same size and type.
Restore the thermostat setting to a comfortable 22. ECM BLOWER MOTOR OPERATION temperature. (POF1HD140AVFA and POF1HD091AVFA) Setting Blower “ON” and “OFF” Timings Blower on/off time delays are handled by ECM motor programming. Features of this ECM variable NOTE: IF THE FURNACE IS TO BE SHUT DOWN...
Appendix A- POF1HD140AVFA AND POF1HD091AVFA Please note: The Beckett AF oil burner is for applications using indoor air for combustion only. Table A-1 Beckett AF Oil Burner Set-Up Beckett AF Series Oil Burners (For use with chimney vented units only)
Drill a 1/4-inch test port in the venting between the high stack temperatures resulting in poor fuel furnace flue outlet and draft regulator (barometric efficiency. POF1HD140AVFA damper). Insert a stack thermometer and note the flue POF1HD091AVFA furnaces operate most efficiently gas temperature. The flue gases should be within a with a No.
0.28 - 0.48 0.5 inches inches w.c. w.c. POF1HD105AVFA 100-10 1/2 HP 70°F 500 - 700 1100 - 1525 600 - 1400 POF1HD119AVFA POF1HD140AVFA CFM RANGE Motor Motor Continuous Heating Cooling ∆ Furnace Model Blower 0.28 - 0.48 0.5 inches inches w.c.
Table A-9 General Dimensions (Inches) Cabinet Plenum Openings Filter Flue Shipping Return Diameter Weight Furnace Model Width Depth Height Supply Type Size Side Bottom POF1HD140AVFA 20½ x 16 x 25 30 3/4 14 x 22 14 x 22 Permanent...
Table A-9 General Dimensions (Inches) Cabinet Plenum Openings Filter Flue Shipping Return Diameter Weight Furnace Model Width Depth Height Supply Type Size Side Bottom POF1HD091AVFA 20½ x 16 x 25 30 3/4 49-5/8 14 x 22 14 x 22 Permanent...
Table A-10 ECM Blower Set-Up (POF1HD091AVFA) 100-10DD blower with ½ HP ECM DIP SWITCH ADJUSTMENT CHART FOR INPUT 0.50 USGPH TO 0.75 USGPH SW1 - HEAT SW2 - COOL DIP Switch POS. POS. Position INPUT DIP Switch Position AC Size USGPH (TON) 0.65...
Table A-10 ECM Blower Set-Up (POF1HD140AVFA) 100-10DD blower with ½ HP ECM DIP SWITCH ADJUSTMENT CHART FOR INPUT 0.75 USGPH TO 1.00 USGPH SW1 - HEAT SW2 - COOL DIP Switch POS. POS. Position INPUT DIP Switch Position AC Size...
OPERATION OF OIL BURNER To check the operation of the limit switch, shut off Once the furnace flue pipe, electrical and oil line power to the furnace. Temporarily remove the neutral connections have been made, use the following wire from the direct drive blower motor. Restore the instructions to set the burner: electrical power to the furnace and set the thermostat Shut off the electrical power to the furnace.
APPENDIX C OIL PRIMARY CONTROL DETAILED SEQUENCE OF OPERATION Power is applied to unit. The oil primary control completes a self-diagnostic procedure. If no light or flame is present, and unit passes its self-diagnostic procedure, the control enters into the idle mode. Thermostat calls for heat: A) Safety check is made for flame (4 second delay).
FIGURE 5: UNITED TECHNOLOGIES 1168-1 ECM TAP BOARD (POF1HD140AVFA and POF1HD091AVFA) 1168-1 ELECTRONIC FAN TIMER BOARD (EFT) DETAILED SEQUENCE OF OPERATION Thermostat Input LEDs (LED1-5, LED8) Six green LEDs are placed behind their respective thermostat connections (Y1, Y/Y2, G, DH, O, and W) and operate whenever a call is present.
IDLE STATE THERMOSTAT CALLS FOR HEAT OIL PRIMARY CONTROL SAFETY CHECK FOR FLAME REMAINS IN IDLE STATE (5 SEC.) SEQUENCE of OPERATION NO FLAME FLAME BURNER MOTOR & IGNITOR START 10 SEC. SAFETY CHECK FOR FLAME (5 SEC.) NO FLAME FLAME SOLENOID VALVE OPENS LOCKOUT STATE...
TROUBLESHOOTING OIL PRIMARY CONTROL LED DIAGNOSTIC LIGHT IMPORTANT: Due to the potential hazard of line voltage, only a trained, experienced service technician The LED diagnostic light has several functions. It should perform the troubleshooting procedure. indicates the state or mode in which the oil burner is operating.
PRELIMINARY CHECKS: Make sure that limit switches are closed and those contacts are clean. ELECTRICAL SHOCK HAZARD. Check for line voltage power on the oil primary TROUBLESHOOTING IS DONE WITH THE control black and white lead wires. SYSTEM POWERED. BE CAREFUL TO Refer to Table C-3 or C-4 for further troubleshooting OBSERVE ALL NECESSARY PRECAUTIONS information.
Table C-3: Oil Primary Control Troubleshooting continued from previous page Procedure Status Corrective Action Indicator light turns off. Eliminate external light source or permanently shield cad cell. Replace cad cell with new cad cell and recheck. 4. Shield cad cell from external If indicator light does not turn off, remove cad cell lead wires light.
Table C-3: Oil Primary Control Troubleshooting continued. Procedure Status Corrective Action 10. Check cad cell. Indicator light is on. Remount control onto burner housing. Go to step 6. Disconnect line voltage power and open line switch. Remove existing cad cell and replace with new cad cell.
Table C-4: System and General Troubleshooting continued Problem Possible Cause Remedy Photo Cell wiring shorted or Check photo cell (cad cell) wiring for short circuits. Also, check room light leaking into photo for room light leaking into cad cell compartment. Repair light Furnace will not start.
Table C-4: System and General Troubleshooting continued Problem Possible Cause Remedy System temperature rise ideally should not exceed 85°F. Check System temperature rise too for clogged air filters. Check blower fan for excess dirt build-up high. or debris. Speed up blower fan if necessary. Check “fan off”...
Table C-4: System and General Troubleshooting continued Problem Possible Cause Remedy Airflow blocked or dirty air Clean or replace air filter. filter. Supply air temperature Check all dampers. Open closed dampers including registers in too hot. Insufficient airflow. unused rooms. Check system temperature rise. If temperature rise is too high, speed up blower fan.
HOMEOWNER’S REFERENCE TABLE Model No. Serial No. Date Installed Contractor Contact Address Postal Code Telephone No. After Hours No. FUEL SUPPLIER Fuel Oil Supplier Contact Telephone No. After Hours No. IF DIFFERENT FROM INSTALLATION CONTRACTOR: Service Tech. Telephone No. After Hours No.
PARTS LISTING: HIGHBOY MODEL: POF1HD140AVFA Ref. Description Part No. Left Side Panel Assembly 109007731L Right Side Panel Assembly 109007729L Rear Panel 109007727L Blower Division Assembly 29189 Base Panel 26216 Inner Front Panel 109007728 Blower Access Panel 29122L Top Panel 21437L...
Draft Regulator 12240 (6”) Oil Burner Assembly, Beckett AF76XN 240007760 Burner Motor 1/7 HP 3450 RPM PSC 29689 Beckett Clean-cut Oil Pump A2EA6520 29688 Solid State Ignitor 10SAY-01 29522 Oil Primary Combustion Control Genisys 240007858 Flame Retention Head F6 11961 Nozzle, 1.00/60ºW 14619329 Ref.No.