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4.5 - exhibit LF (cont.)
4.5.3 - Parts list for Fig. 24
sYMBoL
NAMe
CP1-4
Circuit protector Nos. 1 to 4
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
52CH
Chilled water pump interlock
52Co
Cooling water pump interlock
CMH
Hot water control valve motor
CVP
Hot water control valve positioner
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)
other codes
reMArKs
rUN - StoP - oPEN - CLoSE
there are also
CP1(..) CP3(..)
CoM
HEAt
CooL
F-oN
KISYAKU
FIrE
KIDo
CFAN-oN
CPUMP-oN
EXt-oN
FAIL
AbS1-rES
AbS1-oN
PotI
63GH
VPC
r-St
r-SP
r-CoM
E1
E2
E3
SEt
INV
HEN
HbS
Pr-oN
PAS
PGSL
N.H
Pr-10 ; Pr-11
M.F
FIrE
FIrE-oN
rS-485-b
DI1- DI2 - DI4 - DI5
DI3
CN1....CN39
CMG1
Field-supplied
tCHo
Field-supplied
52Co
Field-supplied
52Ct
Field-supplied
23Co
Field-supplied
Purge
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
DesCrIPtIoN
run - Stop - open - Close
Common input signal
Heat
Cool
Ventilation fan on
Dilution
Not used
Feedback signal
Cooling tower fan on
Cooling water pump on
Chilled/hot water pump on
Fail
No. 1 Absorbent pump inverter reset
No. 1 Absorbent pump on
Valve position feedback
Generator pressure switch
remote signal power supply
remote start signal
remote stop signal
Common remote signal
Not used
Not used
Not used
remote temperature setting - CPU board
analogue input
Inverter frequency - CPU board analogue
output
Not used - CPU board analogue output
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Cooling only
Connector No 1 to 39
Control valve feed back - CPU board
analogue input
Chilled/hot water outlet - CPU board
sensor input
Cooling water pump interlock signal
Not used
Not used
Purge
reMArKs
option
option
1
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