Carrier 33CS420-01, Owner'S Manual

Page: 44 / 89

Page 9.3
Setting a Thermostat Jumper for
Humidity Operation Setting a Thermostat Jumper for
Humidity Operation
NEVER PUT MORE THAN ONE JUMPER
ON THE SAME MISC JUMPER BLOCK!
THIS MAY DAMAGE THE THERMOSTAT.
To control a MISC outputs for humidification, place the MISC1, MISC2,
or MISC3 jumper on the terminal labeled HUM (
see diagram below ).
This will supply 24VAC to the selected MISC terminal based on the
humidification programming in the following pages. Only one of the
three outputs (MISC1, MISC2, or MISC3) is required to have this
jumper.
For more information regarding the MISC1, MISC2, and
MISC3 outputs, please see section 17.
In the diagram below, the MISC3 jumper
has been set for HUM (humidify) operation.
W3
HUM
DEHUM
MISC3 MISC2 MISC1
Y2
(MISC1
ONLY)
IMPORTANT CAUTION
MISC3 MISC3
OK
9
HP
GAS
B
O
ELEC
GAS
(F
A
N
)
W1
Y1
G
R
C
MISC2
W2
MISC1
RS2
RSGND
MISC3
RS+5
W3
HUM
DEHUM
MISC3 MISC2 MISC1
Y2
(MISC1
ONLY)
INSTALL HUMIDITY
MODULE WITH SENSING
ELEMENT OUTWARD
H
U
M
N
O
H
U
M
1
2 4 6 8 X Z
1 5 7 9 Y 3
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