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 - Page 14.4
Control up to two Cool stages.
The 2nd Stage of heat or cool is turned on when:
(A) The 1st Stage has been on for the time required (step #28,
page 14.6). It is adjustable from 0-60 minutes and the default
is two minutes.
(B) The temperature spread from the setpoint is equal to or greater
than: the setpoint plus the deadband (step #25, page 14.5), plus
the 2nd deadband (step #26, page 14.5). This 2nd deadband is
adjustable from 0-10 degrees and the default is two degrees.
Page 21.5
Explanation of Jumper Settings (continued)Explanation of Jumper Settings (continued)
And
TOTALINE
21
Cool
Setpoint
DeadbandDeadband
db 1 db 2
(adj. 0-10 )(adj. 1-6 )
1st Stage
turn on
2nd Stage
turn on
Cooling
TEMPERATURE
INCREASE
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