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Mitsubishi Electric PURY-P200YLM-A(1) Service Handbook page 102

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Table of Contents
[3-7 Functions of the Major Components of BC Controller ]
(4) HA1 type
Symbols
Part name
(functions)
Pressure
PS1
sensor
(High pres-
sure side)
PS3
(Intermedi-
ate pres-
sure)
Thermistor
TH11
(Liquid inlet
tempera-
ture)
TH12
(Bypass
outlet tem-
perature)
TH15
(Bypass in-
let tempera-
ture)
TH16
(Liquid re-
frigerant
tempera-
ture)
Solenoid
SVM1
valve
SVM1b
SVM2
SVM2b
SVA
SVB
SVC
LEV
LEV1
LEV3
HWE1314A
Part
Usage
code
1) Detects high pressure
2) LEV control
1) Detects intermediate
pressure
2) LEV control
LEV control
(Liquid level control)
LEV control (Superheat)
LEV control (Superheat)
LEV control (Subcool)
Opens during cooling and de-
frost modes
Opens during cooling and de-
frost modes
Pressure differential control
Pressure differential control
Provides refrigerant to indoor
unit in cooling operation
Provides refrigerant to indoor
unit in heating operation
Provides refrigerant to indoor
unit in cooling operation
1) Liquid level control
2) Pressure differential con-
trol
3) Subcool control
- 91 -
Specifications
Pressure
PS1
0~4.15 MPa [601psi]
Vout 0.5~3.5V
1 2 3
0.071V/0.098 MPa [14psi]
Pressure [MPa]
Con-
=1.38 x Vout [V]-0.69
nector
Pressure [psi]
=(1.38 x Vout [V] - 0.69) x 145
GND (Black)
1
2
Vout (White)
3
Vcc (DC5V) (Red)
R
= 15k
0
R
= 3460
0/80
1
1
R = 15
exp
3460
t
273
0°C[32°F] : 15 kΩ
10°C[50°F] :9.7 kΩ
20°C[68°F] :6.4 kΩ
25°C[77°F] :5.3 kΩ
30°C[86°F] :4.3 kΩ
40°C[104°F] :3.1 kΩ
AC220-240V
Open while being powered/
closed while not being pow-
ered
DC12V
Opening of a valve driven by a
stepping motor
41 - 3000 pulses
DC12V
Opening of a valve driven by a
stepping motor
0 - 2000 pulses
Check method
Continuity
check with a
tester
Same as
indoor LEV
GB
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