Venstar T2900 Installation - Manual (Page 19)

CK1
CKGND
HP GAS
B O
ELEC GAS
(F A N )
W1
Y1
G
R
C
MISC2
W2
MISC1
RS2
MISC3
RSGND
RS+5
INSTALL HUMIDITY MODULE WITH SENSING ELEMENT OUTWARD
H U M N O H U M
ECON
W3 PROG HUM DEHUM
MISC3 MISC2 MISC1 Y2 (MISC1
ONLY)
RS1
Y1
G
R
C
MISC2
CK1
CKGND
W1/O/B
MISC1
RS+5
RS1
RSGND
W2
RS2
Adding a Humidification System* (MISC1), Dehumidification System* (MISC2), and
controlling an Economizer (MISC3).
MISC3
Page 5.7
5
W3
PROG
HUM
DEHUM
MISC3 MISC2
Y2
(MISC1
ONLY) MISC1
ECON
Economizer
Dehumidification
System
Humidification
System
* Requires Humidity Module.
HUM
NO HUM
1
2 4 6 8 X Z
1 5 7 9 Y 3
Humidity Module
(Sold Separately)
1 2 4 6 8 X Z
1 5 7 9 Y 3