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2-ZONE configuration
Z1
A
OUT
Z2
B
OUT
Z1
C
IN
E
Z2
D
IN
G
Label
Description
A
Zone 1 system flow
Z1
OUT
B
Zone 2 system flow
Z2
OUT
C
Zone 1 system return
Z1
IN
D
Zone 2 system return
Z2
IN
E
Safety valve drain
F
Return to heat pump
B
G
-
DHW recirculation
H
Domestic hot water inlet
IN
I
Domestic hot water flow
OUT
L
Delivery from heat pump
A
14 / EN
L
A
F
B
H
I
IN
OUT
Fig. 16
Ø of
fittings
[inches]
1
1
1
1
1
1
3/4
3/4
3/4
1
A
B
C
D
F
L
240 mm
211 mm
130 mm
Description of the system
I
H
E
Fig. 17
552 mm
435 mm
360 mm
300 mm
Fig. 18
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