3
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Installation
Operating and installation instructions
12
E EKSRDS1A
Control and pump unit for solar systems
4PW56033-1
1.
Remove external cover (1) over the pump unit EKSRDS1A.
2.
Mount the pump unit EKSRDS1A on the wall in the vicinity of the hot water storage tank.
3.
Mount the sensor adapter pipe for return flow temperature sensor t
R
on the solar return flow on top of the pump unit
EKSRDS1A (connection 4).
4.
Optional: Mount FlowSensor EKSFLP12A on the solar flow at the top on the pump unit EKSRDS1A (connection 5)
(see Chapter 3.7).
5.
Connect the feed and return lines (Cu Ø 22 mm) from the solar panel (see Chapter 3.1), at the top of the pump unit
EKSRDS1A (connections 4 and 5) in accordance with the system design.
6.
Install the feed and return lines (Cu Ø 22 mm) between the pump unit EKSRDS1A (connections 11 and 12) and the solar
connection kit EKSOLHWAV1.
7.
Connect the diaphragm pressure expansion vessel (MAG) to the pump unit EKSRDS1A (connection 7). Connect the
diaphragm expansion vessel in accordance with EN 12828.
8.
Connect the blow-off line to the safety valve in accordance with EN 12828.
– The blow-off line should be routed so that solar liquid can flow freely into a collection vessel when the safety valve is
tripped.
– The blow-off line should be able to be blocked off.
3.4
Controller EKSR3PA
3.4.1 Wall mounting
General installation instructions
– The pump unit EKSRDS1A should be mounted in such a way that there are no external forces act on the
fittings when installed.
– Welding and soldering work on the plant should not cause any overheating. Fit the pump unit EKSRDS1A
only after this work has been carried out.
– The pipes must be flushed out thoroughly before installing the pump unit EKSRDS1A to prevent leaks
caused by weld spatter, hemp or metallic swarf.
Installing the clamping ring bolt:
• Cut off the pipe end at right angles and debur.
• Place swivel nut and clamping ring on the pipe.
• Lightly oil threads.
• Push pipe into the clamping ring bolt to the stop and tighten swivel nut by hand.
• Tighten swivel nut with open-ended spanner.
1.
Unscrew the screws on both sides of the cover.
2.
Fold the cover forward and remove downwards.
3.
Unhook the control system from the housing baseplate.
4.
Mount the housing baseplate in the vicinity of the pump unit
EKSRDS1A on the wall.
Fig. 3-5
Removing and fixing the control unit
1
1
2
3
2x
2x
Содержание EKSR3PA
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