Air Conditioning & Heating
Adjusting the Deadband
The 2nd Stage of heat is turned on when:
(A) The 1st Stage has been on for a minimum of two minutes.
And
(B) The temperature spread from the setpoint is equal to or greater than: the setpoint plus the 1st stage deadband (step #15, next page), plus two degrees.
11
| Heating |
|
| Cooling |
| Deadband | Deadband | Deadband |
|
| db 2 | db 1 | db 1 |
|
| (fixed 2 ) | (adj. | (adj. |
|
2nd Stage | 1st Stage | Heat | Cool | 1st Stage |
turn on | turn on | Setpoint | Setpoint | turn on |
DECREASE TEMPERATURE INCREASE
Page 11.4