27
6. APPENDIX (continued)
REMARKS:
AT:
AIR TEMPERATURE SENSOR
OT:
OUTLET WATER TEMPERATURE SENSOR
COMP:
COMPRESSOR
SUT:
SUCTION TEMPERATURE SENSOR
CT:
EVAPORATOR TEMPERATURE SENSOR
4V:
4 WAYS VALVE
EEV:
ELECTRONIC EXPANSION VALVE
OUT2:
DRY CONTACT 16 A MAX
FM1-2:
FAN MOTOR
ET:
DISCHARGE TEMPERATURE SENSOR
FS:
WATER FLOW SWITCH
K2:
OUT 2 RELAY
HP:
HIGH PRESSURE SWITCH
PS:
PRESSURE SENSOR
IT:
WATER INLET TEMPERATURE SENSOR
ZL10:
INVERTER DC FAN BOARD
LP:
LOW PRESSURE SWITCH
CN:
CURRENT REACTOR
EMI:
PHASE CONTROLLER
REMOTE ON/OFF:
REMOTE ON/OFF SWITCH
ENPI13T
CN9
485B1
GND
3
RLY1
OUT2
OUT3
AC-N
1
OUT4
OUT5
485A1
12V
CN2
+12V
+5
V
0~
10
V
-O
U
T
P
W
M-
O
U
T
AI
12
AI/
D
I1
1
AI/
D
I1
0
AI/
D
I0
9
PWM-IN
AI/
D
I0
8
AI/
D
I0
7
AI/
D
I0
6
AI/
D
I0
5
AI/
D
I0
4
AI/
D
I0
3
AI/
D
I0
2
AI/
D
I0
1
0~
5V
-IN
485A2
12V
CN8
485B2
GND
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
R
FS
FS FS
LP
LP
H
P
H
P
LP
HP
t
5K
IT
IT IT
t
5K
OT
O
T
O
T
C
T
C
T
t
5K
CT
A
T AT
t
5K
AT
N
4V
1
3
2
4
5
6
7
8
01
ET
YEL
BLK
WHT
RED
R
t
50
K
4
ET
ET
SUT
SU
T
SU
T
t
5K
EE
V
5
R
S
T
N
R
ED
B
LK
W
H
T
BL
U
N
N
N
R
R
Remote
ON/OFF
A
B
G
N
D
12V
COMP
U V W
U
W
V
L3
L2
L1
C
B
A
EMI
R
T
A
B
C
S
T
R
S
T
S
R
S
T
YEL
RED
BLK
4
K2
2
N
N
N
N
K2
R
1
R S T N
Controller
YE
L
485
B-
R
ED
12
V
W
H
T
485
A+
PE
ACN
CN1
TP1
TP2
L3
N1
L5
ACL
CN4
FM1
ZL10
4V
2
4
N
R
FM2
PRS2
(WHT)
PRS1
(BLK)
NET2
(RED)
Y/G
BLU
BRN
BRN
F
N
K
2
1
3
2
4
5
6
7
8
02
4V
4V
4V
N
N
N
4V
N
N
R
F
1
5
WHT
RED
Pressure sensor
(PS)
RED
2
3
BLK
Detector
3
Y/
G
BL
U
B
R
N
Y
/G
BL
U
BR
N
4
6
7
8
1
3
5
1
3
5
Y/G
Y/G BLU BRN
2
BLU
4
BL
K
GN
D
6.
8K
400V / 3N~ / 50Hz
CN4
CN3
CN
C
N
4
C
N
3
3
R
1
2
16A max
Dry Contact
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