Midea 22038210001121, Руководство по обслуживанию

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Service manual for Dryer Machine Midea America Company
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35
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COMPONENT TESTING
PROCEDURES
● Thermostat 1 resistance < 1Ω
(Electronic &
GAS)
- If resistance is infinity, replace Thermostat 1.
● Thermistor resistance 40KΩ @30
℃
50K
Ω @25
℃
99K
Ω @10 ℃
- If resistance is infinity, replace Thermistor.
● Thermostat 3 resistance < 1Ω
(Electronic
models only)
- If resistance is infinity, replace Thermostat 3.
● Thermostat 2 resistance < 1Ω
- If resistance is infinity, replace Thermostat 2.
● Heater resistance 20Ω
- If resistance is infinity, replace Heater.
● Measure resistance of the following terminal
(Electronic & GAS)
(1) Door switch: open
Terminal
: “COM” – “NO” (1-2): ∞ Ω
● Measure resistance of the following terminal
(2) Door switch push: On
Terminal: “COM” – “NO” (1-2): < 1Ω
● Belt Cut-off Switch
(Electronic & GAS)
- Lever open: Resistance value < 1
Ω
- Lever push: Resistance value:
∞
Ω
● Centrifugal Switch (Motor)
(Electronic &
GAS)
Contacts
Function 1M 2M 3M 5M 6M
Start
● ●
Run
● ● ● ●
●=Contact closed
THERMOSTAT 1
THERMISTOR
70/50
℃
, 25A
HI-limit
175
℃
, 25A
Thermal cut-off
100/80
℃
, 25A
HI-limit
240V/4800W
THERMOSTAT 3
THERMOSTAT 2
HEATER
250V 16A
DOOR SWITCH
THERMAL FUSE
91
℃
, 14A
Thermal cut-off
BELT CUT-OFF SWITCH
250V, 16A
2.88
Ω between
Pin# 3 and 4
3.5
Ω between
Pin# 4 and 5