7.2 General diagram
Ref.
A
B
C
D
E
F
G
H
Q
50
Description
Unit
Solar kit (not supplied)
User interface
Room thermostat (not supplied)
Boiler (not supplied)
Solar pump (not supplied)
Mixed zone booster pump
External recirculation pump (not supplied)
Zone 2 3-way valve (not supplied)
Ref.
Description
I
DHW recirculation pump (not supplied)
J
3-way valve (not supplied)
3-way valve for domestic hot water storage
K
tank (not supplied)
Domestic hot water storage tank (not
L
supplied)
M
Booster heater (not supplied)
N
Counter
O
Power supply
P
Backup heater
Electrical connections
Fig. 41
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