Page 18
Circulation Pump Replacement
Ensure that Generator is in a Safely Isolated Condition.
1. First drain the water from the generator, using the drain connection on the rear of
the generator. The DI Cartridge should be removed to allow the system to drain
properly. Connect to an empty tank of at least 3 litres to ensure the tank can hold all
the water from the generator.
2. Disconnect the 4-way Molex connection between the pump and the electrical panel.
3. Un-clip the pump from its bracket.
4. Disconnect the old pump from the system tubing.
5. Use fresh tubing provided to fit to the new pump.
6. Fit the new pump to the support bracket by clipping it into place.
7. Re-connect the tubing from the pump into the generators pneumatic circuit, as
shown on the pneumatic schematic provided later in the manual and re-connect the
electrical connection.
8. Return the generator to a Safe State of Repair, installing the DI Cartridge and
connecting the generator to a clean fresh supply of deionised water.
9. Check all water connections to ensure there are no leaks and that the pump is
circulating water towards the electrolyser stack.
WARNING