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TABLE OF CONTENTS
SAFETY REGULATIONS.................................... 3
SAFETY LABELING AND WARNING SIGNS..... 3
IMPORTANT INFORMATION............................... 3
DETECTION SYSTEMS ......................................... 3
DANGER OF FREEZING........................................ 3
INSTALLATION ................................................... 4
POSITIONING THE FURNACE ............................. 4
CONFIGURATIONS................................................ 4
ELECTRICAL SYSTEM ......................................... 5
INSTALLATION OF THE THERMOSTAT ........... 5
INSTALLATION OF THE BURNER...................... 6
VENTING................................................................. 6
BLOCKED VENT SHUT-OFF DEVICE (BVSO)
FOR CHIMNEY VENTING..................................... 7
VENTILATION........................................................ 7
DUCTING ................................................................ 8
SUPPLY AIR ADJUSTMENTS (4 SPEED
MOTORS) ................................................................ 8
SUPPLY AIR ADJUSTMENTS (ECM VARIABLE
MOTORS) ................................................... 9
INSTALLATION OF ACCESSORIES .................... 9
OPERATION........................................................ 10
START-UP ............................................................. 10
OPERATING SEQUENCE OIL HEATING MODE .
................................................................................ 10
CHECKS AND ADJUSTMENTS .......................... 10
MAINTENANCE ................................................. 11
CLEANING THE HEAT EXCHANGER .............. 11
CLEANING THE BLOCKED VENT SHUT-OFF
(BVSO).................................................... 12
CHANGING THE NOZZLE .................................. 12
CHANGING THE OIL FILTER ............................ 12
CHANGING THE AIR FILTER ............................ 12
FURNACE INFORMATION.............................. 13
FIGURES
Figure 1: Location and dimensions of ventilation air
openings in a closet door...........................................4
Figure 2: Upflow installation ............................................4
Figure 3: Downflow installation .......................................5
Figure 4: Horizontal installation .......................................5
Figure 5: Thermostat wiring, heating and air conditioning
with 4 speed motor....................................................5
Figure 6: Thermostat wiring, heating and air conditioning
with ECM variable speed motor ...............................6
Figure 7: Thermostat wiring, heating and air
conditioning/heat pump with ECM variable speed
motor .........................................................................6
Figure 8: Blower start/stop delays, board #1158 ..............9
Figure 9: Furnace dimensions .........................................17
Figure 10: Wiring diagram 4 speed motor (PSC) ...........18
Figure 11: Wiring diagram variable speed motor (ECM)
................................................................................19
Figure 12: Parts list with 4 speed motor (PSC)...............20
Figure 13: Parts list with variable speed motor (ECM) ..22
TABLES
Table 1: Blower speed adjustments, 4 speed motor..........8
Table 2: Air adjustments, heating mode ...........................9
Table 3: Airflow adjustments, air conditioning mode ......9
Table 4: Airflow adjustments, all modes ..........................9
Table 5: Delay adjustments, heating mode .......................9
Table 6: Technical specifications....................................14
Table 7: Airflow data, with 1/2 HP, ECM motors .........15
Table 8: Airflow data model with 1/2 HP 4 speed motor16
Table 9: Min. clearances from combustible material ......16
Table 10: Parts list with 4 speed motor (PSC) ................21
Table 11: Parts list with variable speed motor (ECM)....23
Summary of Contents for OBM112 Series
Page 17: ...17 Figure 9 Furnace Dimensions ...
Page 18: ...18 Figure 10 Wiring Diagram 4 Speed Motor PSC ...
Page 19: ...19 Figure 11 Wiring Diagram Variable Speed Motor ECM ...
Page 20: ...Figure 12 Parts list with 4 speed motor PSC 20 B50091C ...
Page 22: ...22 Figure 13 Parts list with variable speed motor ECM B50092C ...
Page 24: ......
Page 42: ...Figure 9 Dimensions de la fournaise 18 ...
Page 43: ...19 Figure 10 Diagramme électrique avec moteur 4 vitesses PSC ...
Page 44: ...20 Figure 11 Diagramme électrique avec moteur vitesse variable ECM ...
Page 45: ...Figure 12 Liste de pièces avec moteur 4 vitesses PSC 21 B50091C 21 B50091C ...
Page 47: ...23 B50092C 23 B50092C Figure 13 Liste de pièces avec moteur vitesse variable ECM B50092C ...