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5. Elektrische schema's
5.1 Verbinding tussen controller en display
V
R
T
A
B
G
5.2 Controllerschema's
K2
L
N
1
2
TO POWER
TO
TC
SUPPLY
PUMP
220-240V~/50Hz
AT：Ambient temperature
COMP：Compressor
CT：Coil temperature
EEV：Electronic expand valve
ET：Exhaust temperature
FM：Fan motor
FS：Flow switch
HP：High pressure protection
IT：Inlet water temperature
K2：Relay of pump
LP：Low pressure protection
OT：Outlet water temperature
SUT：Suction temperature
TC：Transformer
4V：4 way valve
20
N
3
5
1
01
2
4
6
CN7
CN9
J2
24V
t
ET
Pressure sensor
（SUT）
Klem
V
R
T
A
B
G
N
7
8
L
1
3
5
02
2
4
6
K2
4V
GND
RLY1
R485B1
CN2
R485A1
+12V
GND
R485B2
CN8
R485A2
+12V
t
t
t
t
t
AT
CT
OT
IT
SUT
HP
LP
FS
Functie
Spanning 12V+
NC
NC
485A
485B
Massa (elektrisch)
7
8
YEL
BLK
4
RED
BLK
YEL
4
WHT
RED
Controller
FM
Remote
ON/OFF
：
L
N
DCFAN1
A B GND 12V
RED BLK WHT
U V W
V
U
W
COMP
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