Honeywell Prestige 2.0 THX9421 - Page 156

THX9321 PRESTIGE
®
2.0 AND THX9421 PRESTIGE
®
IAQ WITH EIM
68-0311—07 156
Typical wiring of a W7220 Jade Economizer Module to the Prestige THX9421 thermostat and Equipment Interface
Module, configured for economizer control with custom alert.
Fig. 355. Economizer control with custom alert.
Wire a relay to one of the four sets of S terminals (as
shown). Configure the Prestige to control the economizer
(see ISU setting 2220) and use a custom alert (see ISU
settings 6170—6200).
Y2-I
Y2-O
Y1-I
Y1-O
C
R
OCC
E-GND
EXH1
C
R
AUX2-1
AUX1-0
M36797
FURNACE,
AIR-HANDLER,
OR RTU
RELAY
REQUIRED
A-L/A
S1 (OR S2 OR S3 OR S4)
S1 (OR S2 OR S3 OR S4)
Rc
Rh
R
C
EIM
W7220 JADE
ECONOMIZER