358
359
362
363
371
370
357
356
323
323
323
H
C 25
O
C 25
120
170
350
335
334
UL
L3
L2
L1
G
CE
1 Y4
1 Y4
2 Y4
1 Y4
2 Y4
COM
325
326
324
326
324
324
326
325
170
170
326
325
324
170
326
351
353
352
337
336
369
368
348
347
355
354
361
360
121
170
324
L3
L2
L1
PE
E
345
346
E
344
343
382
383
384
385
+
-
342
340
341
OA
3
2
1
Y
G
T
4.5 - exhibit LF (cont.)
4.5.2 - Field wiring
Fig. 23 - typical electric field connection diagram
For ALArM bUZZEr
For PUrGE INDICAtIoN
For DILUtIoN INDICAtIoN
FEEDbACK SIGNAL
rUN/StoP SIGNAL For CooLING
toWEr FAN
rUN/StoP SIGNAL For CooLING
WAtEr PUMP
rUN/StoP SIGNAL For CHILLED
WAtEr PUMP
For ALArM INDICAtIoN
For StoP INDICAtIoN
For oPErAtIoN INDICAtIoN
rEMotE CHECK SIGNAL
PrE-ALArM SIGNAL
CooLING WAtEr PUMP INtErLoCK
CHILLED WAtEr PUMP INtErLoCK
tE
r
MINAL S
tr
IPS
o
N
tHE C
o
N
tro
L P
ANEL
to
P
o
WE
r
S
o
U
r
CE
ter
MINAL
str
IP
s
o
N
t
H
e
C
o
N
tro
L P
AN
e
L
(1)
continuous
(2)
pulse
(3)
pulse
(4)
continuous
(5)
pulse
FIELD WI
r
ING C
o
NNEC
tIo
N
(1)
Pr
ovide power supply wiring and earthing
Connect wir
e between chiller contr
ol panel and earth on site.
the chiller has a cir
cuit br
eaker
. Please connect power supply cable to the terminal block pr
ovided.
Earthing r
esistance: Should be determined fr
om local r
egulations
Earthing cable: annealed copper wir
e (please use a cable of the same cr
oss section as the power
supply cable).
re
M
ote
s
IGNAL
Chiller can be operated by the following five signal types.
(1)
Volt-fr
ee normally open contact (a) for start & stop (24 V d.c. 10 mA):
Wir
e terminal 324 and 323, connect 170 and 326.
(2)
Volt-fr
ee normally open contact (a) for start (24 V d.c. 10 mA):
Wir
e terminal 324 and 325, connect 170 and 326.
Volt-fr
ee normally open contact (a) for stop (24 V d.c. 10 mA):
Wiring the terminal 325 and 323.
(3)
Volt-fr
ee normally open contact (a) for start (24 V d.c. 10 mA):
Wir
e terminal 324 and 325, connect 170 and 326.
Volt-fr
ee normally closed contact (b) for stop (24 V d.c. 10 mA):
Wir
e terminal 325 and 323.
(4)
Continuous signal of 24 V a.c./d.c. for start & stop (initial setting):
Wir
e terminal 324 and 326 (these terminals ar
e non-polarized)
(5)
Pulse signal of 24 V a.c./d.c. for start:
Wir
e terminal 324 and 326 (these terminals ar
e non-polarized)
Pulse signal of 24 V a.c./d.c. for stop:
Wir
e terminal 325 and 326 (these terminals ar
e non-polarized)
24 V a.c./d.c.
24 V a.c./d.c.
For Hot WAtEr SHUtoFF VALVE
rUN/StoP SIGNAL For Hot
WAtEr PUMP
24
V
d
.c
. 1
0 m
A
For steam contr
ol
valve positioner
(field-supplied)
DC 4 - 20 mA
CVP
o
pen
Closed CMS (24 V a.c.)
Pot: 135
o
hm
For steam contr
ol valve motor
(field-supplied)
UL: 208
V/460
V
-3 ph-60 Hz
CE: 400
V
-3 ph-50 Hz
FIELD-SUPPLIED P
ANEL
o
pen
Closed
Содержание Carrier 16LJ Series
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