Mitsubishi Electric CAHV-P500YA-HPB Service Handbook

[ VI Refrigerant Circuit ]
- 58 -
HWE10060 GB
[2] Principal Parts and Functions
1. Outdoor unit
Part
name
Symbols
(functions)
Notes Usage Specifications Check method
Com-
pres-
sor
MS
(Comp)
Adjusts the amount of circulat-
ing refrigerant by adjusting the
operating frequency based on
the operating pressure data
Low-pressure shell scroll
compressor
Wirewound resistance
20°C[68°F] : 0.092 ohm
High
pres-
sure
sensor
63HS 1) Detects high pressure
2) Regulates frequency and
provides high-pressure
protection
Low
pres-
sure
sensor
63LS 1) Detects low pressure
2) Provides low-pressure
protection
Pres-
sure
switch
63H1 1) Detects high pressure
2) Provides high-pressure
protection
3.85MPa OFF setting
Thermi
stor
TH4
(Discharge)
1) Detects discharge air
temperature
2) Provides high-pressure
protection
Degrees Celsius Resistance check
0°C[32°F] :698kohm
10°C[50°F] :413kohm
20°C[68°F] :250kohm
30°C[86°F] :160kohm
40°C[104°F] :104kohm
50°C[122°F] : 70kohm
60°C[140°F] : 48kohm
70°C[158°F] : 34kohm
80°C[176°F] : 24kohm
90°C[194°F] :17.5kohm
100°C[212°F] :13.0kohm
110°C[230°F] : 9.8kohm
Pressure
0~3.85 MPa
Vout 0.5~3.3V
0.071V/0.098 MPa
Pressure [MPa]
=1.38 x Vout [V]-0.69
Pressure
=(1.38 x Vout [V] - 0.69) x 145
GND (Black)
Vout (White)
Vcc (DC5V) (Red)
Con-
nector
63HS
1
123
2
3
Pressure
0~1.7 MPa
Vout 0.5~3.5V
0.173V/0.098 MPa
Pressure [MPa]
=0.566 x Vout [V] - 0.283
Pressure
=(0.566 x Vout [V] - 0.283) x 145
GND (Black)
Vout (White)
Vcc (DC5V) (Red)
Con-
nector
63LS
1
123
2
3
R = 7.465k
120
R = 4057
R =
7.465
25/120
t
4057
273 t
1
393
1
exp

Mitsubishi Electric CAHV-P500YA-HPB Specifications

General

Brand	Mitsubishi Electric
Model	CAHV-P500YA-HPB
Category	Heat Pump
Language	English