Mitsubishi Electric City Multi PURY-EM200YNW-A1, Service Handbook

Page: 83 / 503

[3-3 Functions of the Major Components of Outdoor Unit ]
14
- chapter 3 BS_03_L
3 Major Compon
ent
s
, Their Fun
ct
io
ns
a
n
d
Re
frig
e
ra
n
t
Circ
ui
ts
3-3 Functions of the Major Components of Outdoor Unit
Part
name
Symbols
(functions)
Notes Usage Specifications Check method
Com-
pressor
MC1
(Comp1)
Adjusts the amount of circulating
refrigerant by adjusting the operat-
ing frequency based on the oper-
ating pressure data
(E)M200 - (E)M350 models
Low-pressure shell scroll
compressor
wirewound resistance
20°C [68°F] : 0.192 Ω
(E)M400 - (E)M500 models
Low-pressure shell scroll
compressor
wirewound resistance
20°C [68°F] : 0.219 Ω
High
pres-
sure
sensor
63HS1 1) Detects high pressure
2) Regulates frequency and pro-
vides high-pressure protec-
tion
Low
pres-
sure
sensor
63LS 1) Detects low pressure
2) Provides low-pressure pro-
tection
Pres-
sure
switch
63H1 1) Detects high pressure
2) Provides high-pressure pro-
tection
4.15MPa[601psi] OFF set-
ting
Thermis-
tor
TH4
(Discharge
temperature)
1) Detects discharge air tem-
perature
2) Provides high-pressure pro-
tection
Degrees Celsius Resistance check
0°C[32°F] : 698 k Ω
10°C[50°F] : 413 k Ω
20°C[68°F] : 250 k Ω
30°C[86°F] : 160 k Ω
40°C[104°F] : 104 k Ω
50°C[122°F] : 70 k Ω
60°C[140°F] : 48 k Ω
70°C[158°F] : 34 k Ω
80°C[176°F] : 24 k Ω
90°C[194°F] : 17.5 k Ω
100°C[212°F] : 13.0 k Ω
110°C[230°F] : 9.8 k Ω
Pressure
0~4.15 MPa [601psi]
Vout 0.5~3.5V
0.071V/0.098 MPa [14psi]
Pressure [MPa]
=1.38 x Vout [V]-0.69
Pressure [psi]
=(1.38 x Vout [V] - 0.69) x 145
GND (Black)
Vout (White)
Vcc (DC5V) (Red)
Con-
nector
63HS1
1
1 2 3
2
3
Pressure
0~1.7 MPa [247psi]
Vout 0.5~3.5V
0.173V/0.098 MPa [14psi]
Pressure [MPa]
=0.566 x Vout [V] - 0.283
Pressure [psi]
=(0.566 x Vout [V] - 0.283) x 145
GND (Black)
Vout (White)
Vcc (DC5V) (Red)
Con-
nector
63LS
1
1 2 3
2
3
R = 7.465k
120
R = 4057
R =
7.465
25/120
t
4057 273 t
1
393
1
exp
0000006412.BOOK 14 ページ ２０２１年１０月１２日 火曜日 午後４時３３分