Service
Edition: 02
2 - 8
accuSpin
1R
17.11.03 He/Ha
Test Points 120V models (continued)
Test Points
Unit Value
Conditions
Plug
XE
Imbalance switch-
voltage drop
Inter pin 1 and 4
6,6 V DC
12 V DC
0,1 V DC
12 V DC
Plug inserted
Plug removed
Switch connected (plug re-inserted)
If lead is interrupted
Terminal
XG
Compressor
terminal box
-insulation value
1
Ω
4
Ω
5
Ω
> 10M
Ω
Switch OFF unit, compressor temp. 20°C
Resistance 14 - 12
Resistance 14 - 13
Resistance 12 - 13
Resistance inter phase and motor casing
Terminal
XK
Fans
220
Ω
385
Ω
Switch OFF unit, resistance at 20°C
Fan for motor
Fan for electronic
Plug
XU
Temp. measuring
115mV
103mV
125mV
Chamber temperature 20°C (PT100:
≈
108
Ω
)
Chamber temperature -10°C (PT100:
≈
96
Ω
)
Chamber temperature 40°C (PT100:
≈
116
Ω
)
Plug
XW
Speed detection -
voltage drop
Inter pin 3 and 1
Inter pin 3 and 2
12,0 V DC
1,3 V DC
0,5 V DC
10,5 V DC
Plug removed
Diode voltage (plug re-inserted)
Transistor is cut in (slot position)
Transistor is cut out