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 13.4
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 #23,
page 13.6).
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 #24, page 13.6), plus
the 2nd deadband (step #21, page 13.5).
This 2nd deadband is
adjustable from 0-10 degrees and the default is two degrees.
Page 17.5
Explanation of Jumper Settings
(continued)
Explanation of Jumper Settings
(continued)
And
17
Cool
Setpoint
Deadband
Deadband
db 1
db 2
(adj. 0-10 )
(adj. 1-6 )
1st Stage
turn on
2nd Stage
turn on
Cooling
TEMPERATURE
INCREASE
Carrier
Summary of Contents for 33CS420-01
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