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User Control Wiring - Quantech 3070TSE Manual

Air-cooled scroll chillers.
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FORM QTC3-EG6 (1118)

User Control Wiring

A-
A+
14
13
50
13
21
13
20
13
19
13
18
13
51
13
XTBC1
140
123
32
31
30
29
28
27
26
25
24
23
5
Normally jumpered.
Can be used as
L
EMERGENCY STOP
2
contacts from an
external source.
2
2
GND
XTBC2
50
USER CONTROL WIRING INPUTS
INTERNAL WIRING TO OPTIONAL REMOTE TEMP. RESET BOARD
FLOW SWITCH
REMOTE UNLOAD STEP 1
PWM REMOTE TEMP RESET
INTERNAL WIRING TO 2-KCR CONTROL RELAY
INTERNAL WIRING TO 1-KCR CONTROL RELAY
REMOTE START / STOP
USER CONTROL WIRING OUTPUTS
INTERNAL WIRING TO EVAPORATOR HEATER
INTERNAL WIRING TO HOT GAS SOLENOID VALVE
SYSTEM 2 ALARM DRY CONTACTS (OPEN = ALARM)
SYSTEM 1 ALARM DRY CONTACTS (OPEN = ALARM)
SYSTEM 2 RUN DRY CONTACTS (CLOSE = RUN)
SYSTEM 1 RUN DRY CONTACTS (CLOSE = RUN)
EVAPORATOR PUMP DRY CONTACTS (CLOSE = RUN
BASED ON DAILY SCHEDULE)
INTERNAL 120 VAC WIRING TO F1 FUSE
INTERNAL 120 VAC WIRING (TYPICALLY FROM CONTROL TRANSFORMER)
INTERNAL NEUTRAL WIRING
INTERNAL NEUTRAL WIRING (TYPICALLY FROM CONTROL TRANSFORMER)
INTERNAL NEUTRAL WIRING
QUANTECH

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