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
Summary of Contents for AWT 221.A04
Page 77: ...77 Maintenance Checking the fuses cont 5776 028 GB Maintenance...
Page 87: ...87 Indoor unit parts lists Indoor unit hydraulics cont 5776 028 GB Components...
Page 90: ...90 Indoor unit parts lists Indoor unit cylinder cont 5776 028 GB Components...
Page 137: ...137 Wind direction 11 Wind loads 11 Keyword index Keyword index cont 5776 028 GB...
Page 138: ...138 5776 028 GB...
Page 139: ...139 5776 028 GB...
