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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
Page 16.4
Explanation of Jumper Settings (continued)Explanation of Jumper Settings (continued)
The 2nd Stage of heat or cool is
(A) The 1st Stage has been on for the two minutes.
(B) The temperature spread
than: the setpoint
turned on when:
from the setpoint is equal to or greater
plus the 1st stage deadband (step #19, page
12.5), plus two degrees.
And
Cool
Setpoint
DeadbandDeadband
db 1 db 2
(adj. 0-10 )(adj. 1-6 )
1st Stage
turn on
2nd Stage
turn on
Cooling
TEMPERATURE
INCREASE
16