Carrier 33CS420-01 - Page 19

Carrier
HP
GAS
B
O
ELEC
GAS
(FAN)
W1
Y1
G
R
C
MISC2
W2
MISC1
RS2
RSGND
MISC3
RS+5
W3
PROG
HUM
DEHUM
MISC3 MISC2 MISC1
Y2
(MISC1
ONLY)
INSTALL HUMIDITY
MODULE WITH SENSING
ELEMENT OUTWARD
1
2
4
6
8
X
Z
1
5
7
9
Y
3
HUM NO HUM
Y1
G
R
C
MISC2
W1/O/B
MISC1
RS+5
RSGND
W2
RS2
Adding a Humidification System (MISC1) and Dehumidification System (MISC2)*.
MISC3
Dehumidification
System
W3
HUM
DEHUM
MISC3 MISC2
Y2
(MISC1
ONLY)
Humidification
System
MISC1
HUM
NO HUM
5
1
2
4
6
8
X
Z
1
5
7
9
Y
3
Humidity Module
(Sold Separately)
* Requires Humidity Module.