76
Outdoor unit: NTC 50 k
Ω
(without ID)
0.1
1
10
100
1000
Resistance
in kΩ
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
Temperature in °C
Fig. 66
Checking the fuses
For fuse locations: see page 34 onwards.
■
Fuse F1 is located on the mains terminal 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
Danger
Removing the fuse does
not switch the power
circuit to zero volt
. Contact with 'live' compo-
nents can lead to serious injury from electric cur-
rent.
Before working on the equipment, always
ensure that
the power circuit is also at zero
volt.
Maintenance
Checking the sensors
(cont.)
5776 028 GB
Maintenance
Содержание AWT 221.A04
Страница 77: ...77 Maintenance Checking the fuses cont 5776 028 GB Maintenance...
Страница 87: ...87 Indoor unit parts lists Indoor unit hydraulics cont 5776 028 GB Components...
Страница 90: ...90 Indoor unit parts lists Indoor unit cylinder cont 5776 028 GB Components...
Страница 137: ...137 Wind direction 11 Wind loads 11 Keyword index Keyword index cont 5776 028 GB...
Страница 138: ...138 5776 028 GB...
Страница 139: ...139 5776 028 GB...