D-EIMWC00804-14EN
Centrifugal Chillers
33
Figure 15, Field Wiring Diagram
80
CP2
CP1
H
O
A
C4
H
A
O
C3
H
A
O
79
78
77
74
73
54
CF
86
EF
86
C
25
1
2
11
11
12
22
1
2
6
11
12
22
NOTE 2
NOTE 2
(115V)
(24V)
25
55
70
H
A
O
H
A
O
H
O
A
C
H
O
A
C
H
O
A
C
C2
C1
T3-S
PE
L1
L2
CP2
CP1
24
23(5A)
24(5)
23
3
4
3
4
76
75
PE
85
86
81
84
A
82(NO)
83(NC)
POWER
EP2
EP1
L1
L2
L3
GND
T4
T5
T6
T1
T2
T3
T4
T5
T6
T1
T2
T3
T1
T2
T3
T3
T1
T2
U
V
W
T4
T3
T5
T1
T6
T2
T1
T2
T3
T4
T3
T5
T1
T6
T2
GND
LESS
THAN
30V
OR
24VAC
53
71
71
52
1-10 VDC
1-10 VDC
MICROTECH CONTROL
BOX TERMINALS
* COOLING
TOWER
FOURTH
STAGE
STARTER
* COOLING
TOWER
THIRD
STAGE
STARTER
* COOLING
TOWER
SECONDH
STAGE
STARTER
* COOLING
TOWER
FIRST
STAGE
STARTER
COOLING TOWER
BYPASS VALVE
COOLING TOWER VFD
ALARM RELAY
(NOTE 4)
MICROTECH
COMPRESSOR CONTROL
BOX TERMINALS
CTB1
-LOAD-
COMPRESSOR
MOTOR
STARTER
(NOTE 1)
115 VAC
STARTER LOAD SIDE TERMINBALS
VFD
STARTER LOAD SIDE TERMINBALS
WYE-DELTA
STARTER LOAD SIDE TERMINBALS
SOLID STATE
STARTER LOAD SIDE TERMINBALS
MEDIUM AND HIGH VOLTAGE
COMPRESSOR TERMINALS
COMPRESSOR TERMINALS
COMPRESSOR TERMINALS
COMPRESSOR TERMINALS
NOTE 12
- FOR DC VOLTAGE AND 4-20 MA
CONNECTIONS (SEE NOTE 3)
- FOR DETAILS OF CONTROL REFER
TO UNIT CONTROL SCHEMATIC
330342101
- COMPRESSOR CONTROL
SCHEMATIC 330342201
- LEGEND: 330343001
* FIELD SUPPLIED ITEM
* NOTE 7
* NOTE 10
* NOTE 10
* NOTE 10
* NOTE 10
330387901-0A
COMMON
NEUTRAL
POWER
