Equipment Control Module
|
|
|
|
|
|
Heat Stage 2 | O/B W2 |
| |||
Heat Stage 1 |
|
| |||
W/W1 |
| ||||
N/A |
|
| |||
Y1 / W2 |
| ||||
Cool Stage 1 |
|
| |||
Y/Y2 |
| ||||
Fan |
|
| |||
G |
| ||||
24VAC Hot Heating |
|
| |||
Rh |
| ||||
24VAC Hot Cooling |
|
| |||
Rc |
| ||||
**Dry Contact 1 |
|
|
|
| |
|
| D1 |
| ||
|
|
|
|
|
|
Dry Contact 2 |
|
| D2 |
| |
24VAC Common |
|
| |||
C |
| ||||
Humidify |
|
| |||
HUM |
| ||||
Outdoor Air Temp |
|
| |||
OAT |
| ||||
Remote Room Sensor |
|
| |||
RRS |
| ||||
OAT/RRS Com |
|
| |||
SRTN |
| ||||
|
|
|
|
|
|
Furnace |
W2 |
W/W1 |
Y1 |
Y/Y2 |
G |
R |
DHUM |
COM |
Humidifier Solenoid
Valve *
Outdoor Sensor *
Remote Room
Sensor *
Air Conditioner
Y |
R |
C* |
*Indicates connection may not be required/available.
**Option 19 set to 2.
A09127
Fig. 36 − Variable Speed, Multi−Stage, Step Modulating and Single−Stage
Furnace with Single−Stage Air Conditioner
82
