Replacing The Circulation Pump - Daikin EKSRDS2A Operating And Installation Instructions

Problem
No pressure in the sys-
tem
When the system is
drained, no liquid
escapes via the filling
and flushing valves
Other malfunctions
9.1

Replacing the circulation pump

ELECTRIC SHOCK CAUSED BY LIVE PARTS
• Disconnect the mains voltage supply before performing the work and
ensure that it cannot be switched on.
Failure to follow these instructions will result in death or serious
injury.
1. Disconnect the mains voltage.
2. Close the shut-off at the flow meter and set the blue ball valve to 90° posi-
tion.
3. Replace the circulation pump.
- Use new seals.
4. Open the shut-off at the flow meter and set the blue ball valve to 0° posi-
tion.
5. Fill and vent the system.
6. Connect the circulation pump to supply voltage.
EKSRDS2A
DAIKIN Solar pressure station
4P699231-1 – 2022-06
Possible reason
Diaphragm safety valve
defective
Expansion vessel not
tight
Leak in the system
Ball valves and/or are
shut-off closed
-
DANGER
Troubleshooting
Repair
Replace the product
Replace the expansion
vessel
Contact your special-
ised company
Set the ball valves to
45° position and open
shut-off
Send the product to the
manufacturer
Operating and installation instructions
21