EIM Installation Guide 2012

12
Typical wiring of a W7212 Economizer Module for a conventional heating system,
using a VisionPRO with RedLINK thermostat or Equipment Interface Module.
120
VAC
O/BN Y1 Y2 AUX AUX 2G
24
VAC
O or B
N
3
4
1
2 & 5
TR1
TR
Rooftop Unit
Transformer
O/BL/A YY2 AUX AUX 2G
Thermostat/EIM
R
C
W7213/W7214 Economizer Module
(See wiring guidelines provided with the product)
2
1
120
VAC
NY1Y2W1W2G
24
VAC
N
3
4
1
2 & 5
TR1
TR
Rooftop Unit
Transformer
AYY2 WW2G
Thermostat/EIM
R
C
W7212 Economizer Module
(See wiring guidelines provided with the product)
1
Economizer Module wiring guides
Typical wiring of a W7213/W7214 Economizer Module for a heat pump system, using
a VisionPRO with RedLINK thermostat or Equipment Interface Module.
"A"or"L/A"terminalmustbeconguredforEconomizerintheinstallersetup.
These terminals are powered by the cooling transformer (Rc terminal).
Terminal AUX 2 is present only on the Equipment Interface Module.
1
2