Explanation of Jumper Settings (continued)
Y2 JUMPER SETTING
If the jumper for MISC1 is set to Y2 the MISC1 screw terminal on the backplate will control a second stage of cooling.
Y2 OPERATION - SECTION 12.4
The 2nd Stage of heat or cool is turned on when:
(A) The 1st Stage has been on for the two minutes.
And
(B) The temperature spread from the setpoint is equal to or greater than: the setpoint plus the 1st stage deadband (step #19, page 12.5), plus two degrees.
16
| Cooling |
|
Deadband | Deadband |
|
db 1 | db 2 |
|
(adj. | (adj. |
|
Cool | 1st Stage | 2nd Stage |
Setpoint | turn on | turn on |
TEMPERATURE INCREASE
Page 16.4