| PTAC Terminal |
|
|
| Designations |
|
|
| C |
|
|
| Gl |
|
|
| OR |
|
|
| Gh |
|
|
| O |
|
|
| Y |
|
|
| W |
|
|
| R |
|
|
|
|
| R W Y O Gh Gl C |
|
| Thermostat Terminal Designations | |
| OR | Rc - 24 VAC, from cooling equipment | or |
| Rh - 24 VAC, from heating equipment | ||
|
| ||
|
|
| |
O/B |
| W - Heating |
|
| C - Common 24 VAC |
| |
reversing |
|
| |
valve |
| G - Fan |
|
Not used |
| Y - Cooling |
|
A08092
Fig. 3 - Terminal Designations
9