
  | FAN | 2 STAGE | 
THERMIDISTAT | COIL | HEAT PUMP | 
  | 
  | 
Thermidistat  | Variable Speed  | 
Furnace  | 
Heat Pump
RVS/Heat Stage 2
Heat Stage 1
Compressor Low
Compressor High
Fan
24VAC Hot Heating 24VAC Hot Cooling Dry Contact 1 Dry Contact 2 24VAC Common Humidify
Outdoor Air Temp
Remote Room Sensor
OAT/RRS Com
  | O  | O  | 
O/B W2  | Y1  | Y1  | 
  | 
  | |
W/W1  | W1  | W1  | 
  | REMOVE J2  | |
  | 
  | |
Y1  | W2  | JUMPER FOR  | 
HEAT STAGING  | ||
Y/Y2  | Y/Y2  | Y2  | 
G  | G  | 
  | 
Rh  | R  | R  | 
Rc  | 
  | REMOVE J1 FOR  | 
  | DEHUMIDIFY  | |
  | DH  | |
  | MODES  | |
D1  | 
  | |
  | 
  | |
D2  | C  | C  | 
  | 
  | |
C  | 
  | 
  | 
HUM  | Humidifier Solenoid  | |
  | ||
OAT  | Valve *  | 
  | 
RRS  | Outdoor Sensor *  | |
  | ||
OAT/RRS | Remote Room  | 
  | 
  | 
  | |
  | Sensor *  | 
  | 
RVS Cooling  | O/B W2  | W2  | |
Heat Stage 3 (furnace)  | W/W1  | W/W1  | |
Heat/Cool Stage 1  | Y1 / W2  | 
  | |
Heat/Cool Stage 2  | Y/Y2  | Y/Y2  | |
Fan  | G  | G  | |
24VAC Hot Heating  | Rh  | R  | |
24VAC Hot Cooling  | Rc  | 
  | |
Dry Contact 1  | D1  | 
  | |
Dry Contact 2  | D2  | DHUM  | |
24VAC Common  | C  | COM  | |
Humidify  | HUM  | Humidifier Solenoid  | |
Outdoor Air Temp  | OAT  | ||
Valve *  | |||
Remote Room Sensor  | RRS  | Outdoor Sensor *  | |
OAT/RRS Com  | SRTN  | Remote Room  | |
  | 
  | Sensor *  | 
* Indicates connection may not be required / available.
O  | 
  | 
W2  | *  | 
Y1  | 
  | 
Y/Y2  | 
  | 
R  | 
  | 
C  | 
  | 
286A / 288A
A08055  | A09337  | 
Fig. 10 - Edge Thermidistat Models  | Fig. 11 - Thermidistat Model  | 
Wiring with   | Variable Speed Furnace and   | 
  | 
User Interface
D
C
B
A
Humidifier
24vac C
Furnace or Fan Coil  | Communicating HP  | 
D 
 D
C 
 C
B 
 B
A 
 A
OAT
HUM C W O Y R
A08091
Fig. 12 - Evolution Furnace or Fan Coil Wiring with 286A OR 288A Communicating Two-Stage  HP
15