Mitsubishi Electric PURY-100TMU, Руководство по обслуживанию

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–44–
Low pressure shell scroll type
with capacity control mechanism
Winding resistance:
Each phase 0.388
Ω
(20˚C(68˚F))
Setting 2.94MPa (426psi)
OFF
R
120
=7.465k
Ω
B
25/120
=4057
Rt = 7.465exp
{4057( - )}
R
0
=15k
Ω
B
0/100
=3460
Rt =
15exp{3460( - )}
0˚C (32˚F) : 15k
Ω
10˚C (50˚F) : 9.7k
Ω
20˚C (68˚F) : 6.4k
Ω
25˚C (77˚F) : 5.3k
Ω
30˚C (86˚F) : 4.3k
Ω
40˚C (104˚F) : 3.1k
Ω
[4] List of Major Component Functions
MC
63HS
63LS
63H
TH1
(discharge)
TH5
(piping
temperature)
TH6 (outdoor
air tempera-
ture)
Compres-
sor
High
pressure
sensor
Low
pressure
sensor
Pressure
switch
Thermistor
Adjust refrigerant circulation by controlling operating
frequency and capacity control valve with operating
pressure.
1) High press. detection.
2) Frequency control and high pressure protection
1) Detects low pressure
2) Calculates the refrigerant circulation configuration.
3) Protects the low pressure
1) High pressure detection
2) High pressure protection
1) Discharge temperature detection
2) High pressure protection
20˚C (68˚F) : 250k
Ω
70˚C (158˚F) : 34k
Ω
30˚C (86˚F) : 160k
Ω
80˚C (176˚F) : 24k
Ω
40˚C (104˚F) : 104k
Ω
90˚C (194˚F) : 17.5k
Ω
50˚C (122˚F) : 70k
Ω
100˚C (212˚F) : 13.0k
Ω
60˚C (140˚F) : 48k
Ω
110˚C (230˚F) : 9.8k
Ω
1) Frequency control
2) Defrost control and liquid level detection at heating
1) Outdoor air temperature detection
2) Fan control, liquid level heater, and opening setting
for oil return
Name Application Specification Check method
Pressure
0~0.98MPa
(0~142psi)
Vout 0.5~3.5 V
Gnd (black)
Vout (white)
Vc (DC5V) (red)
Pressure
0~2.94MPa
(0~426psi)
Vout 0.5~3.5 V
Gnd (black)
Vout (white)
Vc (DC5V) (red)
Con-
nector
Con-
nector
1
273+t
1
273+t
Continuity check
Resistance value
check
Outdoor unit
Symbol
(function)
63HS
63LS
1
273+120
1
273+0