Wiring Diagrams - Honeywell W8150 User Manual

Y8150 FRESH AIR VENTILATION SYSTEM, W8150 FRESH AIR VENTILATION CONTROL

WIRING DIAGRAMS

Consult thermostat Installation Instructions for alternate
terminal designations.
HVAC
R C W Y
R R W Y
C
System
AM
Fan
Tue Room
Wake DST
Fig. 1. Single transformer, conventional system.
HVAC
HEATING COOLING
R C W R C Y
R R W Y
C
System
Heat
AM
Fan
Tue Room
Wake DST
Fig. 2. Dual transformer, conventional system.
68-0282—07
G
W8150A
G
F
R
C
C
C
C
H
W
G
T
G
Heat
Auto
M19994A
G
W8150A
G
F
R
C
C
C
C
H
W
G
T
NOTE:
REMOVE FACTORY
G
INSTALLED JUMPER
BETWEEN C AND C
C H
ON W8150.
Auto
M19995A
R C W
1
R R C W
C 1
AM
Tue
Wake DST
Fig. 3. Multi-stage conventional system.
R
R R
C
Tue
Wake
Fig. 4. Wiring heat pump without emergency heat.
10
HVAC
W Y Y G
2 1 2
G
F
R
C
C
C
C
H
W
G
T
W Y Y G
2 1 2
System
Heat
Fan
Room
Auto
HVAC
C Y G O
G
F
R
C
C
C
C
H
W
G
T
W Y G O/B
System
Heat
AM
Fan
Room
DST Auto
W8150A
M19996
W8150A
M19997A