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Afbeelding 15, Lokaal bedradingsschema
* 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
L1
COMPRESSOR
MOTOR
STARTER
(NOTE 1)
32
MICROTECH CONTROL
BOX TERMINALS
(115V)
(24V)
PE
54
GND
85
POWER
* NOTE 7
86
NEUTRAL
* NOTE 10
70
80
H
55
O
C4
74
A
86
86
* NOTE 10
79
H
O
C3
73
A
78
77
* NOTE 10
H
76
O
C2
75
A
* NOTE 10
H
O
T3-S
C1
A
EF
CF
81
COMMON
82(NO)
A
83(NC)
84
POWER
52
71
1-10 VDC
71
1-10 VDC
53
MICROTECH
COMPRESSOR CONTROL
L2
L3
BOX TERMINALS
CTB1
NOTE 2
115 VAC
GND
PE
CP1
L1
CP2
L2
23(5A)
23
24(5)
24
25
25
1
1
2
2
3
3
4
4
6
11
11
11
12
12
22
22
-LOAD-
LESS
NOTE 2
THAN
30V
OR
24VAC
ALARM RELAY
(NOTE 4)
STARTER LOAD SIDE TERMINBALS
VFD
U
V
W
T1
T6
T2
T4
T3
T5
COMPRESSOR TERMINALS
STARTER LOAD SIDE TERMINBALS
WYE-DELTA
T4
T5
T6
T1
T2
T3
T1
T2
T3
T4
T5
T6
COMPRESSOR TERMINALS
STARTER LOAD SIDE TERMINBALS
SOLID STATE
T1
T2
T3
T1
T6
T2
T4
T3
T5
COMPRESSOR TERMINALS
STARTER LOAD SIDE TERMINBALS
MEDIUM AND HIGH VOLTAGE
T1
T2
T3
T1
T2
T3
COMPRESSOR TERMINALS
H
O
A
C
EP2
H
O
A
C
EP1
H
O
A
C
CP2
H
O
A
C
CP1
- 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 12
330387901-0A
D – DWSCDWDC – 07/10 5 – NL
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