EN • 15
664Y4300.E
E
ngl
is
h
F
R
A
n
Ç
A
is
n
E
D
E
R
l
A
n
D
s
E
s
p
A
ñol
iT
A
l
iA
n
o
D
E
u
T
s
c
h
p
o
l
s
K
i
8
6
4
3
3
2
1
7
5
hEatinG connEction
ExAMPlE OF A BASIC CIrCuIT CONNECTION
1. Four-way motorisable mixer valve
(as standard on Pro Pack)
2. Circulator
(as standard on Pro Pack)
3. Heating isolating valve
4. System filling valve
5. 3 bar heating safety valve
(as standard)
6. Primary expansion tank
(as standard on Pro Pack)
7. Control unit
(optional)
8. Drain down valve
(as standard)
DrAIN VAlVE
The safety valves must be connected to the drain.
DElTA PrO PACk hYDrAulIC kIT
This hydraulic kit is factory assembled on Delta Pro Pack 25 and Delta Pro
Pack 45 models comprising:
• A circulator with automatic air eliminator built in.
• A four-way manual motorisable valve (servomotor available as an option).
• A primary 10 litre expansion tank.
• A hot water 2 litre expansion tank.
INstaLLatIoN
