Quest Controls BACnet TStat User Manual - page 6
of
28
BACnet T‐Stat User’s Manual Rev 1.1, 7/28/11
Page | 5
3. Typical Wiring Diagram
+ -
ZONE
+ -
SUPPLY
+ -
FAN P
+ -
MA
+ -
D IN
+ -
AOP
DO- D1+ C
BUS
R C G Y 1 Y2 W/B W2 O
FAN COOL HEAT
WIRE RACEWAY
CT
24VAC
R
C
F
Y1
Y2
W1
W2
S
uppl
y
F
a
n
C
ool
S
tage 1
C
ool
S
tage 2
H
eat
S
tage 1
H
eat
S
tage 2
HVAC Control Interface
Located in HVAC system
For remote mounting
of zone sensor
From Q3 Gateway
To Additional T-Stats
Figure 3 – Typical Wiring Diagram