Venstar T1070 - Manual (Page 27)

COM
G3/(Y)
G2/(W)
G
R
C
Sample Wiring Diagram
4-Pipe, Low Voltage Valves, Duct Temperature
Sensor & Dry Contact
COM
G
G3(Y)
G2(W)
RS GND
RS
Dry Contact
Duct Sensor
ACC0402
R
C
R
C
G2
G3
G
RS
H 2 O
Ck1
Y1
W1 H C
24 Volt Water
Valves
Thermostat
24vac
Important Note: If a
Duct sensor is conn-
ected to this thermostat
it is suggested that the
fan be programmed for
continuous operation
(step #5, page 11 of the
Owner’s Manual).
Page 26
MED (MED)
HI (HI)
L1 (N/A)
LO (L1)
LO
Connect directly to R
terminal on backplate.