Page 5.7 5, Hp gas b o elec gas (f a n ) – Venstar T1900 Installation User Manual
Page 19
HP
GAS
B
O
ELEC
GAS
(F
A
N
)
W1
Y1
G
R
C
MISC2
CK1
CKGND
W2
MISC1
RS2
RSGND
MISC3
RS+5
Rs1
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
H
U
M
N
O
H
U
M
Y1
G
R
C
MISC2
CK1
CKGND
W1/O/B
MISC1
RS+5
RS1
RSGND
W2
RS2
Adding a Humidification System (MISC1) and Dehumidification System (MISC2)
MISC3
Dehumidification
System
Humidification
System
HUM
NO HUM
Page 5.7
5
W3
PROG
HUM
DEHUM
MISC3
MISC2
Y2
(MISC1
ONLY)
MISC1