Honeywell PRESTIGE THX9321 - Commercial Occupancy Mode Initiation; Activating Occupancy Mode; Setting Occupancy Temperature and Time; Occupancy Mode Feature Availability

THX9321/9421 Prestige
®
IAQ and RF EIM
17
69-2490—03
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.
TypicalwiringofaW7212EconomizerModuleforaconventionalheatingsystem,
usingaPrestigeTHX9321thermostatorEquipmentInterfaceModule.
1
2
“A” or “L/A” terminal must be configured for Economizer in the installer setup (ISU 2220).
These terminals are powered by the cooling transformer (Rc terminal).
Terminal AUX 2 is present only on the 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)
21
MCR32956
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
MCR32957
69-2490_B.indd 17 7/13/2011 1:42:00 PM