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UGH004/0999 PC-2 CIRCUIT BOARD
PD-5
CONFIGURATION
DIP SWITCH
OFF
ON
4
3
2
1
4
3
2
1
UNLDR 2/ VENT 2 SOL +
UNLDR 2/ VENT 2 SOL
UNLDR 1/ COOL 1 SOL +
UNLDR 1/ COOL 1 SOL
F5
F4
F2
PUMP
PUMP
PUMP OL
PUMP OL
6
5
4
3
2
1
4
3
2
1
6
5
4
3
2
1
F3
4
3
2
1
F6
PMP AUX
PMP AUX
1FS/ COMP AUX
1FS/ COMP AUX
PUMPDOWN
PUMPDOWN
HEAT/COMP
HEAT/COMP
HTS/COMP OL
HTS/COMP OL
N
C
NC
NO
C
110V
ALARM
LLS/PURGE 3SOL
LLS/PURGE 3SOL +
PURGE 4SOL
PURGE 4SOL +
3 PHASE INPUT
TCPL'S
SUP RET
AC IN 4
AC IN + 3
AC OUT 2
AC OUT + 1
F1
LLS/WPS
LLS/WPS
AUTOSTART
AUTOSTART
HPS/LPS
HPS/LPS
OPS
OPS
FSTAT
FSTAT
L1
L2
L3
Y
R
R
Y
1 2 3 4 5 6 7 8
(-2) CONTROL
OPER PNL CABLE
+ 120 Ohm
+ TR
TR
GND
GND
+ TR
TR
120 Ohm
12
3
4
5
6
7
8
4 3 2 1
6 5 4 3 2 1
4 3 2 1
1 2 3 4
PC-2
CIRCUIT BOARD
WARNING!
IT IS VERY IMPORTANT
THAT SWITCHES # 7 AND #8 BE SET
TO THE PROPER UNIT TYPE BEFORE
OPERATING THIS UNIT
CHILLER
#7 ON
#8 OFF
120 Ohm JUMPER
DB9 (5.9)
DB9 (4.8)
120 Ohm JUMPER
SUPPLY TCPL
SUPPLY TCPL
RETURN TCPL
RETURN TCPL
R
Y
Y
R
2
19
LIQ LINE 3SOL
LIQ LINE 3SOL
2
22
ALARM
ALARM
2
14
PUMP AUX
COMP
8
15
PUMP AUX
(OR 12) COMP
8
15
LIQ LINE 3SOL
(OR 12 ) COMP OL
8
16
LIQ LINE 3SOL
COMP OL
JUMPER WHEN
NOT USED
15
LIQ LINE 3SOL
17
LIQ LINE 3SOL
2
PUMP
6
PUMP
6
PUMP OL
5
PUMP OL
2
UNLOADER 2
2
UNLOADER 1
9
UNLOADER 1
10
UNLOADER 2
2
FROM TRANSFRMR
L1
L2
L3
1
FROM TRANSFRMR
2
COMP CNTL
3
OPT. AUTOFILL
3
1LS
4
1LS
4
AUTOSTART
AUTOSTART
4
HPS/LPS
OPS
OPS
1TAS
1TAS
19
HPS/LPS
11
11
13
14
13
JUMPER WHEN
NOT USED