Carrier obm154 Installation Instructions Manual page 3

FIGURES
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1 - Location and dimensions of ventilation air openings in a closet door ................ 5
2 - Upflow Installation ..................................................................................................... 5
3 - Downflow Installation ................................................................................................ 6
4 - Horizontal Installation ................................................................................................ 6
5 - Thermostat wiring, heating and air conditioning with 4-speed motor ................. 6
6 - Thermostat wiring, heating and air conditioning with ECM
variable speed motor ................................................................................................ 7
7 - Thermostat wiring,heating and air conditioning/heat pump with ECM
variable speed motor ................................................................................................ 7
Blower Start/Stop Delays .......................................................................................... 9
Furnace Dimensions ................................................................................................ 18
Wiring diagram 4-speed motor (PSC) .................................................................. 19
Wiring diagram variable speed motor (ECM) ...................................................... 20
Parts list with 4-speed motor (PSC) ..................................................................... 21
Parts list with variable speed motor (ECM) ......................................................... 23
TABLES
Table 1 -
Table 2 -
Table 3 -
Table 4 -
Table 5 -
Table 6 -
Table 7 -
Table 8 -
Table 9 -
Table 10
Table 11
Blower speed adjustments, 4-speed motor ............................................................... 9
Airflow adjustments heating mode ........................................................................... 10
Airflow adjustments air conditioning mode ............................................................. 10
Airflow adjustments all modes .................................................................................. 10
Delay adjustments heating mode .............................................................................. 10
Technical Specifications ............................................................................................ 15
Airflow data model with 1HP ECM motor ................................................................. 16
Airflow data model with 1HP 4-speed motor ........................................................... 17
Minimum clearances from combustible materials .................................................. 17
- Parts list with 4-speed motor (PSC) ........................................................................ 22
- Parts list with variable speed motor (ECM) ............................................................ 24
Printed on 100% recycled paper 2011-07-04 X40182 Rev. A