97
Sensor
Test el-
ement
Installed loca-
tion
Connection
■ Collector temperature sensor
(F21)
NTC
20 kΩ
Internal unit (see
page 90)
Controller and
sensor PCB (see
page 42)
■ Compressor head temperature
sensor (hot gas) (CTT)
NTC
50 kΩ
External unit
(see page 92)
Refrigerant circuit
controller (ob-
serve label on the
external unit)
Temperature sensors in the internal unit (with ID)
Viessmann NTC 10 kΩ (marked blue)
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
Other 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.)
5546 699 GB
Service
Содержание AWT-AC 241.A04
Страница 19: ...19 SLP N 9 11 aCH sG lJ 10 Installation sequence Installing the internal unit cont 5546 699 GB Installation...
Страница 20: ...20 X20 2x 16 17 2x 12 14 18 13 15 Installation sequence Installing the internal unit cont 5546 699 GB...
Страница 21: ...21 2x 4x 4x 6x 21 19 20 22 Installation sequence Installing the internal unit cont 5546 699 GB Installation...
Страница 89: ...89 Removing cover from programming unit if necessary 5 4 4x Troubleshooting Repairs cont 5546 699 GB Service...
Страница 104: ...104 0010 0009 0007 0002 0004 0008 0001 0005 0003 0006 Parts lists internal unit Casing internal unit cont 5546 699 GB...
Страница 165: ...165 5546 699 GB...
Страница 166: ...166 5546 699 GB...
Страница 167: ...167 5546 699 GB...