Economizer Module Wiring Diagrams - Honeywell TH8320R1003 Vision Pro 8000 Product Data

Economizer Module Wiring Diagrams

Typical wiring of a W7220 Economizer Module for a heat pump system, using a VisionPRO with RedLINK thermostat or Equipment
Interface Module.
Typical wiring of a W7220 Economizer Module for a conventional system, using a VisionPRO with RedLINK thermostat or
Equipment Interface Module.
Fig. 338. Wiring a W7220 Economizer Module for a conventional system.
1 "A" or "L/A" terminal must be configured for Economizer in the installer setup (ISU 222). These terminals are powered by the
cooling transformer (Rc terminal).
2 Terminal AUX 2 is present only on the Equipment Interface Module.
W7220 Economizer Module
(See wiring guidelines provided with the product)
SD-O/B
OCC
E-GND
AUX
Y2I
Y2O
Y1I
Y1O
C
R
Transformer
Fig. 337. Wiring a W7220 Economizer Module for a heat pump system.
W7220 Economizer Module
(See wiring guidelines provided with the product)
SD-O/B
OCC
E-GND
AUX
Y2I
Y2O
Y1I
Y1O
C
R
Transformer
O/B N
O/B L/A
1
R
120
24
C
VAC VAC
N
A
1
R
120 24
VAC C
VAC
131
®
VISIONPRO 8000 WITH REDLINK™
Rooftop Unit
Y1 Y2 AUX AUX 2 G
Y Y2 AUX AUX 2 G
2
Thermostat/EIM
Rooftop Unit
Y1 Y2 W1 W2 G
Y Y2 W W2 G
Thermostat/EIM
68-0312—01