| FB4ASX | HEAT PUMP |
|
| FB4ASX | HEAT PUMP |
THERMOSTAT | FAN COIL | THERMOSTAT |
| FAN COIL | ||
|
|
| ||||
R | R | R | R |
| R | R |
G | G |
| G |
| G |
|
C | C | C | C |
| C | C |
W2 | W2 | W2 | W2 |
| W2 | W2 |
E |
|
| E |
| E |
|
|
|
|
| BLU |
| ODTS |
L |
|
| L | W3 |
| |
|
|
|
| |||
O |
| O | O |
|
| O |
Y |
| Y | Y |
|
| Y |
SYSTEMS WITHOUT | SYSTEMS WITH ONE |
OUTDOOR THERMOSTAT | OUTDOOR THERMOSTAT |
| A97053 |
| A97054 |
|
|
| |
| FB4ASX |
|
|
THERMOSTAT | FAN COIL | HEAT PUMP | |
R | R |
| R |
G | G |
|
|
C | C |
| C |
W2 | W2 |
| W2 |
|
|
| ODTS1 |
L | W3 | BLU |
|
|
| ||
E | E | VIO |
|
|
| ||
|
|
| ODTS2 |
O |
|
| O |
Y |
|
| Y |
C | 1 | 4 | 7 | C | 9 | 6 | 3 |
EMERGENCY HEAT RELAY
SYSTEMS WITH TWO
OUTDOOR THERMOSTATS
A97052
Fig. 7—24-v Control Circuit Connections
5