103
Sensor
Captur-
ing ele-
ment
Installed loca-
tion
Connection
■ Collector temperature sensor
(F21)
NTC
20 kΩ
Internal unit (see
page 96)
Controller and
sensor PCB (see
page 49)
■ Compressor head temperature
sensor (hot gas) (CTT)
NTC
50 kΩ
External unit
(see page 98)
Refrigerant circuit
control (observe
label on the exter-
nal unit)
Temperature sensors in the internal unit (with marking)
Viessmann NTC 10 KΩ (blue marking)
Outside temperature sensor
100
10
-20 -10 0 10 20 30
Temperature in °C
6
8
20
40
60
80
200
Resistance in k
Ω
Further sensors
10
1
10 30 50 70 90 110
Temperature in °C
0.4
0.6
0.8
2
4
6
8
20
Resistance in k
Ω
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 ...