COMMISSIONING
53
START UP CHECKS
Before turning 240VAC power on to the Hot Water System ensure the following checks are undertaken.
OPTIONAL CIRCULATION PUMP WARNING
Note: Dry running of the pump will result in permanent damage and is not covered under warranty
1.
Bleed the pump by unscrewing the Stainless Steel plug at end of motor casing.
Check that the pump shaft is free to turn, if not, free the shaft with a flat bladed screwdriver.
Screw the Stainless Steel plug back in.
Select the desired pump speed, factory set maximum on number 3.
2.
Check that the pump power supply lead is plugged in and turned ON.
3.
Check all CFWH power supply leads are plugged in and turned ON
4.
Gradually turn on several hot water outlets (fixtures) on the installation to check first CFWH has fired
and is operational. With higher flows check that all the remaining CFWH units are operating in staged
sequence correctly.
Note:
All CFWH Units have been factory temperature pre-set and gas pressures adjusted.
5.
Check gas pressure at the most disadvantaged CFWH during maximum demand (during all CFWH
operation) to ensure adequate pressure is available. Refer to
on page
further details.
FINAL CHECKS
1.
Check system for any leaks (Gas and Water)
2.
Turn system 240VAC power OFF.
Isolate main water valves
Check and clean strainers on each of CFWH cold water inlet and pump return (where fitted).
Please ensure the pump is bled and ready for operation as described above (point 1, above)
3.
Advise customer to check strainers after 1 Week usage.
Continue to check strainers on a weekly basis until they inspect clean.
Continue to check strainers on a monthly basis until they inspect clean.
Continue to check strainers on a Quarterly basis until they inspect clean.
Thereafter check every six (6) months.
4.
Re-instate Multipak by repeating steps Initial checks on page 46
5.
(Refer Page
). Rheem Multipak can now be left on line.
