Table of Contents
[3]
BC controller
1. G type
Symbol
Name
(function)
Pressure
63HS1
sensor
(Liquid side)
63HS3
(Mid point)
Thermistor
TH11
(Liquid inlet
temperature)
TH12
(By-pass outlet
temperature)
TH15
(By-pass outlet
temperature)
TH16
(By-pass outlet
temperature)
Solenoid
SVM1
valve
SV
A
SV
B
SV
C
LEV
LEV1
LEV3
Notes
Function
1 Detects liquid-side (high pressure)
pressure
2 LEV control
1 Detects mid-point pressure
2 LEV control
LEV control (liquid level control)
LEV control (Superheat)
LEV control (Superheat)
LEV control (Subcool)
Open during all-cooling and defrost
operations
Supplies refrigerant to indoor units in
cooling operation
Supplies refrigerant to indoor units in
heating operation
Supplies refrigerant to indoor units in
cooling operation
Liquid level control
Pressure difference control
Liquid level control
Pressure difference control
- 84 -
Specification
Pressure
63HS
0~4.15MPa
Vout 0.5~3.5V
1 2 3
0.071V/0.098MPa
Connector
Pressure [MPa]
=1.38✕Vout[V]-0.69
GND
(Black)
1
2
Vout
(White)
3
Vcc (DC5V)
(red)
R
=15kΩ
0
R
=3460
0/100
Rt =
1
1
15exp{3460(
-
)}
273+t
273
0˚C : 15kΩ
10˚C : 9.7kΩ
20˚C : 6.4kΩ
25˚C : 5.3kΩ
30˚C : 4.3kΩ
40˚C : 3.1kΩ
AC220~240V
Open when being powered
Open when not being powered
DC12V
Opening of stepping motor
driving valve 0-2000 pulses
Check method
Continuity test
with a tester
Same as the
indoor LEV
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