Honeywell Prestige THX9321 System Installation Manual page 17

THX9321/9421 Prestige _ IAQ and RF ElM
Economizer Module wiring guides
Typical wiring of a W7213/W7214 Economizer Module for a heat pump system,
using a Prestige THX9321 thermostat or Equipment Interface Module.
Rooftop Unit ]
O/B N YI Y2 kUX AUX2 G
/
Io o/
W7213/W7214 Economizer Module
(SeewNngguideIEnes provided withthe product)
OorB @
N@
4 0
2&5@
TR @
>> Y2
;%Y1 A
i i ui
I III
11
Transformer l [ R _ _ I
MCR32956
Typical wiring of a W7212 Economizer Module for a conventional heating system,
using a Prestige THX9321 thermostat or Equipment Interface Module.
W7212 Economizer Module
(See widng guidelines provided with the product)
N (_
TRtO
Ro0ft0pUnit : I
.... 0 0 o o 0 0
F G 0 o
MCR32957
A "A" or "L/A" terminal must be configured for Economizer in the installer setup (tSU 2220).
These terminals are powered by the cooling transformer (Rc terminal).
A Terminal AUX 2 is present only on the Equipment Interface Module.
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