Daikin EKHWP500A [17/24] X set up and installation

3 x Set-up and installation

EKHWP300/500A

Hot water storage tank for air-water heat pumps and solar panels

4PW55928-1

Installation instructions

• Reattach the runoff plate to the internal unit.

• Refit the upper cover and trim panel.

3.3.4 Filling the hot water heat exchanger

1. Open the shutoff valve for the cold water supply pipe.

2. Open the hot water tap connections so that the draw-off volume can be set as high as possible.

3. Once water has been discharged from the tap connections, do not interrupt the cold water flow; this will ensure that the

heat exchanger will be fully vented and that any impurities or residue will be discharged.

4. After approx. 10 minutes' flushing, turn off the taps.

3.3.5 Filling the storage tank

1. Connect the filling hose with return flow inhibitor (½") to the boiler filling and draining valve on the EKSRPS3 control and

pump unit.

2. Fill the storage tank until water comes out of the safety overflow connection (Fig 3-3, Item 26).

3.3.6 Filling the heating system and the storage tank charging circuit

• See the operating and installation instructions for the EKHBRD* air-water heat pump.

• Optional: cable connection for solar priority

– Install the EKRP1HBAA solar module in the switch box in

the internal unit.

See the installation instructions accompanying the solar

module.

– Connect the EKS164110 solar priority cable to the solar

PCB (A7P).

– Parameter 6-03 on the internal unit must be set to "1".

If there is sufficient solar yield, post heating by the heat pump can

be disabled.

Fig. 3-15 Cable connection for solar priority

A7P

X2A/CN2

X1A

OFF ON

A7P

EKHBRD*

EKSRPS3

EKS164110

YCY3