1
4.5 - exhibit LF (cont.)
4.5.3 - Parts list for Fig. 24
sYMBoL
NAMe
reMArKs
CP1-4
Circuit protector Nos. 1 to 4
there are also
CP1(..) CP3(..)
Dt1
Chilled water leaving temperature sensor
Dt2
Cooling water leaving temperature sensor
Dt3
Generator temperature sensor
Dt5
Condenser temperature sensor
Dt6
Chilled water entering temperature sensor
Dt7
Cooling water entering temperature sensor
Dt10
Absorber temperature sensor
Dt11
Evaporator temperature sensor
Dt12
Intermediate cooling water temperature sensor
Dt14
temperature sensor for hot water 3-way valve return
Dt15
temperature sensor for hot water inlet
Dt16
temperature sensor for hot water outlet
FILtEr
EMI filter
FM
Fan motor
GL
Purge indication lamp
MA
Absorbent pump
MP
Purge pump
Mr
refrigerant pump
MCbM
Main circuit breaker
MCb1-3
Circuit breaker Nos. 1 to 3
PCH
Palladium cell heater
tr1-3
transformer Nos. 1 to 3
23CH1
CPU board
23CH2
Indicator board
23CH3
In/out board
23CH4
Power board
4Xn
Control relay
43P
Purge pump on-off switch
51A
Absorbent pump overcurrent relay
51P
Purge pump overcurrent relay
51r
refrigerant pump overcurrent relay
63GH
Generator pressure switch
69CH
Chilled water flow switch
69Pr
Pressure sensor for purge tank
88A
Absorbent pump solenoid switch
88P
Purge pump solenoid switch
88r
refrigerant pump solenoid switch
4Y1, 2
remote signal
Field-supplied
52CH
Chilled water pump interlock
Field-supplied
52Co
Cooling water pump interlock
Field-supplied
CMH
Hot water control valve motor
Field-supplied
CVP
Hot water control valve positioner
Field-supplied
Legend for Fig. 24
1
remote operation signal
2
operation signal
3
Volt-free continuous signal
4
Volt-free pulse signal
5
24 V a.c./d.c. continuous signal
6
24 V a.c./d.c. pulse signal
7
Filter
8
Purge pump
9
refrigerant pump
10 Absorbent pump
11 Located on hot water control valve positioner (field-suppiied)
12 Chilled water pump interlock
13 Cooling water pump interlock
14 Located on hot water control valve motor (field-supplied)
15 remote setting signal d.c. 4-20 mA - chilled water set point +0 to +5°C
16 For pre-alarm indicator
17 For remote check
18 For hot water shutoff valve
19 For operation indicator
20 For stop indicator
21 For alarm indicator
22 Start/stop signal for the auxiliary equipment (chilled water pump)
23 Start/stop signal for the auxiliary equipment (cooling water pump)
24 Start/stop signal for the auxiliary equipment (cooling tower fan)
25 Feedback signal
26 For dilution on cycle operation indicator
27 For alarm buzzer
28 For purge indicator
other codes
DesCrIPtIoN
reMArKs
rUN - StoP - oPEN - CLoSE
run - Stop - open - Close
CoM
Common input signal
HEAt
Heat
CooL
Cool
F-oN
Ventilation fan on
KISYAKU
Dilution
FIrE
Not used
KIDo
Feedback signal
CFAN-oN
Cooling tower fan on
CPUMP-oN
Cooling water pump on
EXt-oN
Chilled/hot water pump on
FAIL
Fail
AbS1-rES
No. 1 Absorbent pump inverter reset
option
AbS1-oN
No. 1 Absorbent pump on
PotI
Valve position feedback
63GH
Generator pressure switch
VPC
remote signal power supply
r-St
remote start signal
r-SP
remote stop signal
r-CoM
Common remote signal
E1
Not used
E2
Not used
E3
Not used
SEt
remote temperature setting - CPU board
analogue input
INV
Inverter frequency - CPU board analogue
output
option
HEN
Not used - CPU board analogue output
HbS
Not used
Pr-oN
Not used
PAS
Not used
PGSL
Not used
N.H
Not used
Pr-10 ; Pr-11
Not used
M.F
Not used
FIrE
Not used
FIrE-oN
Not used
rS-485-b
Not used
DI1- DI2 - DI4 - DI5
Not used
DI3
Cooling only
CN1….CN39
Connector No 1 to 39
CMG1
Control valve feed back - CPU board
analogue input
tCHo
Chilled/hot water outlet - CPU board
sensor input
52Co
Cooling water pump interlock signal
52Ct
Not used
23Co
Not used
Purge
Purge
Summary of Contents for Carrier 16LJ Series
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