Honeywell C7150B Product Data page 27

1
L2
2
L1
(HOT)
~
+
F
MS7XXX
HONEYWELL
ACTUATOR
~
+
F
MS7XXX
HONEYWELL
ACTUATOR
UNOCCUPIED
3
ST6008
TIMER
L1
OCCUPIED
(HOT)
L2
1
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
2
ENSURE THAT TRANSFORMER IS SIZED TO HANDLE
THE LOAD OF ALL ACTUATORS.
USE THE FOLLOWING CONTACTS INSTEAD OF TIMER
3
FOR T7300, USE A1 AND A2 TERMINALS.
FOR T7350 USE AUX TERMINAL.
FOR TB7220 OR TB8220 USE A TERMINAL
THE TERMINALS ARE CONNECTED WHEN THERMOSTAT
IS IN THE OCCUPIED MODE.
FACTORY INSTALLED 620 OHM, 1 WATT, 5% RESISTOR
4
SHOULD BE REMOVED ONLY WHEN A C7400 ENTHALPY
SENSOR IS ADDED TO SR AND SR+ FOR DIFFERENTIAL
ENTHALPY.
EF AND EF1 ARE DRY CONTACTS IN THE
5
LOGIC MODULE.
6
SEE WIRING DIAGRAMS FOR T7350
AND TB7220/TB8220.
7
TIME CLOCK IS AN OPTION TO USING OCCUPIED CONTACTS
ON THE THERMOSTAT.
Fig. 34. W7212 controlling parallel-wired Honeywell Series 72 Actuators and time clock for occupancy.
1
2
3
4
5
C7150B MIXED
AIR OR C7046A
DISCHARGE
AIR SENSOR
1
2
–
0/2-10 VDC
3
INDOOR AIR
+
SENSOR
4
5
C7400
+
OUTDOOR
AIR
7
ENTHALPY
S
SENSOR
Y1
Y2
W2
W1
G
RH
RC
X
THERMOSTAT
6
27
SOLID STATE ECONOMIZER SYSTEM
N1
N
MINIMUM POSITION
P1
ADJUSTMENT
P
T1
T
AQ1
AQ
SO+
SO
SR+
SR
W7212
4
620 OHM
RESISTOR
C
COOL 1
Y1
Y2
COOL 2
HEAT 2
W2
HEAT 1
W1
FAN
DELAY
RELAY
FDR
G FAN
FDR
R
HVAC EQUIPMENT
TERMINAL STRIP
TR TR1
24 24 Vac
Vac COM
HOT
+ –
1 2
5
3 4
EF EF1
5
L1
(HOT)
L2
EXHAUST
FAN
L2
1
L1
(HOT)
M24221
63-2484—2