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Fitting
5.3
Connection of the storage tank to
the heat pump and heating system
Danger: Risk of fire from soldering and
welding!
V Take suitable safety measures when
soldering and welding.
V When sizing the heating system expansion vessel, take
the storage tank volume into consideration.
Caution: Risk of damage to non heat-resist-
ant installation materials (e. g. plastic piping)!
V Use installation material which is heat re-
sistant to ≥ 80 °C.
V Ensure pipework is adequately supported
V Ensure that the correct connections are made to the
storage tank.
V When filling the storage tank, manually release the air
via the air vent
(
Fig. 2, [E], page 5) on the top side of the storage
tank.
V Check all connections for tightness.
8 716 115 670 (02/2009)
Fig. 6
functional schematic: connection of the storage
tank to the heat pump
1
heat pump
2
heating system
3
additional heating system (in case of expansion)
4
pump
(An additional external circulation pump, for each heating
system, may be needed. This will be fitted to the flow
outlet from the tank to the heating system as shown
above)
5
3-way-valve
6
storage tank
9
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