105
Temperature sensors in external unit (no marking)
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
For fuse locations, see from page 49.
■ 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 AH (slow), 250 V~
■ Max. power loss ≤ 2.5 W
Fuse F101:
■ 1.0 AL (slow)
■ Max. power loss ≤ 2.5 W
Troubleshooting
Repairs
(cont.)
5623 661 GB
Service
Содержание Vitocal 242-S
Страница 26: ...26 6 8 P301 P501 P303 P302 X25 F23 F6 7 Installation sequence Installing the internal unit cont 5623 661 GB ...
Страница 27: ...27 SLP N 9 11 aCH sG lJ 10 Installation sequence Installing the internal unit cont 5623 661 GB Installation ...
Страница 28: ...28 X20 2x 16 17 2x 12 14 18 13 15 Installation sequence Installing the internal unit cont 5623 661 GB ...
Страница 29: ...29 2x 4x 4x 6x 21 19 20 22 Installation sequence Installing the internal unit cont 5623 661 GB Installation ...
Страница 32: ...32 Installation sequence Installing the internal unit cont 5623 661 GB ...
Страница 95: ...95 Removing cover from programming unit if necessary 5 4 4x Troubleshooting Repairs cont 5623 661 GB Service ...
Страница 110: ...110 0003 0006 0005 0008 0007 0001 0009 0010 0002 0004 Parts lists internal unit Internal unit casing cont 5623 661 GB ...