20
L N
RED BLU
CC
COMP
CS
2
1
5
KS
C2
CR
BLK
WHT
RED
C
S
K
S
KM1
N
1
3
2
4
5
6
7
8
01
L N
KS
C
S
C
S
CC
CC
CR
N
C
S
N
CC
L
KM1
K1
N
FM
C3
BLK
BLU
RED
N
N
FS
HP
LP
t
5K
t
5K
t
5K
t
5K
OUT3
OUT4
OUT5
AC-N
3
4
3
4
C
N
19
GND
AI05
GND
AI04
GND
AI03
GND
AI02
GND
C
N
1
C
N
2
12V NET GN
D
D
I0
1
GN
D
D
I0
2
GN
D
D
I0
3
GN
D
D
I0
4
GN
D
D
I0
5
GN
D
AI01
GND
DI0
6
GN
D
CN
6
AI06
C
N
16
GND
+5V
IT
IT
OT
OT
AT
AT
CT
CT
FS
FS
LP
LP
HP
HP
6.8K
OUT1
OUT2
RED
N
K
1
L
1
2
4V
N
4V
C1
N
N
L N
N
TC
12V
2
B
LU
Y/
G
BR
N
Controller
2
N
1
2
L
6. APPENDICES (continued)
COMMENT:
AT: AIR TEMPERATURE SENSOR
COMP: COMPRESSOR
CT: EVAPORATOR TEMPERATURE SENSOR
FM: FAN MOTOR
FS: WATER DETECTOR
HP: HIGH-PRESSURE SWITCH
IT: WATER INLET TEMPERATURE SENSOR
LP: LOW-PRESSURE SWITCH
OT: WATER OUTLET TEMPERATURE SENSOR
TC : 230V
/ 12V
TRANSFORMER
KM1: COMPRESSOR POWER CONTACT
C1: COMPRESSOR CAPACITOR
C2: FAN CAPACITOR
230V
/ 50Hz
power supply
Dry contact
7 A maxi
HPR19M