34
Indoor unit: overview of connections
F12
X31
X25
X15
F27
F8
F7
F23
F20
F21
12 V
COM
X3
X2
X1
F1
6
7
8
9
D
F
E
aVG
F4
F13
F14
F16
F26
F11
F6
3
4
X18
sVA
J3
J4
F0
1
1
N
18
1
1
A
B
C
P202
P203
COM
43 V
F101
sYS
sYA
F3
X24
Fig. 26
A
Expansion PCB on main PCB: connect nothing on
site.
B
Main PCB: see page 35.
F3 Fuse 6.3 A (slow)
C
Controller and sensor PCB: see page 38.
D
AVI PCB: see page 40.
F101 Fuse 1.0 A (slow)
E
Luster terminals: see page 37.
F1 Fuse 6.3 A (slow)
X1 Terminals for earth conductors of
all
associ-
ated system components
X2 Terminals for neutral conductors of
all
associ-
ated system components
F
Switching module and power supply for instanta-
neous heating water heater: see page 44.
Installation sequence
Electrical connection
(cont.)
5776 028 GB
Installation
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...