42
IMM AGS-2
Field Wiring Diagram
Figure 23, Typical Field Wiring Diagram
DWG. 330590801 REV. 0D
TB1
(24 VAC OR 30 VDC)
72
IF REMOTE STOP CONTROL
IS USED, REMOVE LEAD 897
FROM TERM. 40 TO 53.
897
60
66
AUTO
ON
OFF
MANUAL
60
68
AUTO
ON
OFF
MANUAL
REMOTE STOP
SWITCH
(BY OTHERS)
ICE MODE
SWITCH
(BY OTHERS)
71
4-20MA FOR
EVAP. WATER RESET
(BY OTHERS)
4-20MA FOR
DEMAND LIMIT
(BY OTHERS)
-
-
GND
60
67
NOR. OPEN PUMP AUX.
CONTACTS (OPTIONAL)
EVAP. FLOW
SWITCH
(BY OTHERS)
70
70
+
+
TIME
CLOCK
*MANDATORY IF FACTORY FLOW SWITCH OPTION IS NOT SELECTED.
TO COMPRESSOR(S)
AND FAN MOTORS
DISCONNECT
(BY OTHERS)
3 PHASE
POWER
SUPPLY
GND LUG
UNIT MAIN
TERMINAL BLOCK
FUSED CONTROL
CIRCUIT TRANSFORMER
120 VAC
NOTE: ALL FIELD WIRING
TO BE INSTALLED AS NEC
CLASS 1 WIRING SYSTEM
WITH CONDUCTOR RATED
600 VOLTS
TB1
(115 VAC)
TB1-2
1
82
2
EVAP. PUMP RELAY #1
(BY OTHERS)
120 VAC 1.0 AMP MAX
N
120 VAC
81
75
ALARM BELL RELAY
FACTORY SUPPLIED ALARM
FIELD WIRED
ALARM BELL
OPTION
FU4
FU5
FU7
CHWR
ABR
85
2
EVAP. PUMP RELAY #2
(BY OTHERS)
120 VAC 1.0 AMP MAX
N
120 VAC
CHWR
24 VAC
ALARM BELL
RELAY
ALARM BELL OPTION
BELL
1
2
COM
NO
2
REMOTE EVAPORATOR ONLY
TB*1
93
2
120 VAC
SV
LIQUID LINE
SOLENOID
EXV
DRIVER
BLACK
WHITE
GREEN
RED
JUNCTION
BOX
BLACK
WHITE
GREEN
RED
EV
NOTE:
*TB11 = CIRCUIT #1
*TB21 = CIRCUIT #2
NOTE:
EXV 1 (TOP) - CIRCUIT #1
EXV 2 (BOTTOM) - CIRCUIT #2
(BY OTHERS)
120 VAC
DISCONNECT
(BY OTHERS)
N
15 A
FUSE
DISCONNECT FU7 IF SUPPLYING SEPARATE 120V SOURCE.
NOTE:
See page 49 for additional
remote evaporator wiring
