Honeywell JADE W7220 - Page 8

JADE™ ECONOMIZER MODULE
63-2700—01 8
Fig. 8. Stand-alone dry-bulb Economizer configuration with Honeywell MS7503 Direct Coupled Actuator.
ROOF TOP UNIT
Y1O
Y2O
Y1I
Y2I
OCC
24 VAC
AUX
E-GND
Y1
G
W2
W1
Y2
O/B
N
W7220 ECONOMIZER CONTROLLER MODULE
THERMOSTAT
CO2
SENSOR
2-10 VDC
(OPTIONAL)
SD-O/B
MA
MA
OAT
OAT
C R
M32284
IAQ (2-10V)
IAQ COM
IAQ 24V
ACT (2-10V)
ACT COM
ACT 24V
3
OA TEMP
SENSOR
20K NTC
MS7503
(OPTIONAL COMMUNICATING DCA)
NOTE THAT THE C7250 20K NTC SENSOR CAN BE MOUNTED IN THE OAT ONLY IN THIS CONFIGURATION.
1
IF THE COMMUNICATING ACTUATOR IS USED, IT IS CONNECTED TO THE S-BUS TERMINALS USING
2-WIRE SYLKBUS WIRING.
2
2
1
MA TEMP
SENSOR
20K NTC