InstallatIon
Installation
WPsF
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ENGL
IS
H
5. Installation
5.1 Fitting the drain hose
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Fit the drain hose supplied to the safety valve.
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size the drain hose so that brine can drain off unimpeded
when the safety valve is fully opened.
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lay the safety valve drain hose with a constant fall to the
drain.
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Ensure that the safety valve drain hose is open to the
outside.
5.2 Charging the heat source system
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22
1
2
3
4
5
1 shut-off valve, heat source flow
2 Quick-action air vent valves
3 shut-off valve, heat pump flow
4 Filling
5 Drain
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Close the shut-off valve in the heat source flow.
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open the shut-off valve in the heat pump flow.
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Connect the refrigerant flow line to the charging side of
the unit.
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Connect the refrigerant return line to the draining side of
the unit.
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Carry out a pressure test. Remove the safety valve and in-
sert the plug supplied.
4.
3.
1.
2.
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1
2
1 safety valve
2 Plug
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Check for tightness.
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Charge the heat source system to the required operating
pressure. For this, observe the maximum operating pres-
sure (see chapter “specification / Data table”)
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Close the shut-off valve in the heat pump flow.
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Remove the plug and refit the safety valve.
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Vent the heat source system via the quick-action air vent
valve.
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after venting, close the quick-action air vent valve.
5.3 Removing the strainer
If there is a high pressure drop in the heat source system, you
can remove the strainer in the filter chamber of the product
(see chapter “specification / Pressure drop diagram”).
!
Material losses
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For opening and closing the filter chamber, use
exclusively the hook wrench supplied.
1
2
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1 strainer
2 Filter cartridge
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open the filter chamber. Remove the filter cartridge.
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Remove the strainer from the heat pump flow.
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Re-insert the filter cartridge. Close the filter chamber.
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tighten the cover with a torque of 15 nm.
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open the shut-off valves in the heat source flow and the
heat pump flow.
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Vent the heat source system via the quick-action air vent
valve.
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after venting, close the quick-action air vent valve.
6. Maintenance
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Clean the filter cartridge if required.
