99
Temperature sensors in the external unit (without ID)
Type NTC 10 kΩ
0.1
1
10
100
1000
Resistance in k
Ω
-30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
Temperature in °C
Type NTC 50 kΩ
0.1
1
10
100
1000
Resistance in k
Ω
-30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
Temperature in °C
Checking fuses
Position of the fuses: See from
page 42.
■ Fuse F1 is located on the mains ter-
minal of the heat pump control unit.
■ Fuse F3 is located on the main PCB.
■ Fuse F101 is located on the AVI PCB.
Fuses F1 and F3:
■ 6.3 A (slow, H), 250 V~
■ Max. power loss ≤ 2.5 W
Fuse F101:
■ 1.0 A (slow, L)
■ Max. power loss ≤ 2.5 W
Troubleshooting
Repairs
(cont.)
5546 699 GB
Service
Содержание AWT-AC 241.A04
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Страница 89: ...89 Removing cover from programming unit if necessary 5 4 4x Troubleshooting Repairs cont 5546 699 GB Service...
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