Honeywell C7150B Product Data page 22

SOLID STATE ECONOMIZER SYSTEM
C7400
OUTDOOR
AIR
ENTHALPY
SENSOR
Y1
Y2
W2
W1
A2
4
A1
G
RH
RC
X
T7300/Q7300
THERMOSTAT
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
ENSURE THAT TRANSFORMER IS SIZED TO HANDLE THE EXTRA LOAD OF THE ECONOMIZER AND ACTUATOR. USE THE SAME
TRANSFORMER FOR T7300 AND ECONOMIZER.
3
FACTORY INSTALLED 620 OHM, 1 WATT, 5% RESISTOR SHOULD NOT BE REMOVED. DIFFERENTIAL ENTHALPY NOT RECOMMENDED FOR USE
WITH SINGLE-STAGE COOLING SYSTEMS OR SINGLE-STAGE COOLING THERMOSTATS.
4
T7300 TERMINALS A1 AND A2 ARE CONNECTED WHEN THERMOSTAT IS IN THE OCCUPIED MODE.
5 EF AND EF1 ARE DRY CONTACTS IN THE LOGIC MODULE.
63-2484—2
N1
P1
C7150B MIXED
AIR OR C7046A
T1
DISCHARGE
AIR SENSOR
AQ1
–
0/2-10 VDC
INDOOR AIR
+
SENSOR
SO+
SR+
+
3
620 OHM
S
RESISTOR
Fig. 29. W7212 used with M7215 Damper Motor and T7300 Thermostat.
TR
N
MINIMUM POSITION
24
ADJUSTMENT Vac
HOT
P
+
T
1
AQ
3
SO
EF
SR
W7212
C
Y1
Y2
W2
W1
A2
A1
G
R
HVAC EQUIPMENT
TERMINAL STRIP
22
TR1
24 VAC HOT
24 Vac
COM
24 VAC COM
–
2-10 VDC CONTROL
SIGNAL INPUT
2
5
4
EF1
M7215
5
L1
(HOT)
L2
EXHAUST
FAN
COOL 1
COOL 2
HEAT 2
HEAT 1
FAN
2
L2
1
L1
(HOT)
M20716D