Preventative Maintenance - Rheem 441 Series Service Instructions Manual

PREVENTATIVE MAINTENANCE

It is suggested for peak performance that the Boiling Water Unit be serviced every six
months.
Servicing must be performed by suitably qualified persons.
Hot surface or liquid. Personal Protective Clothing (PPE) shall be worn to
reduce the risk of burns or scalding.
1. Check the inlet strainer located inside the water inlet connection to ensure it is clean and
not blocked with foreign matter. If an additional auxiliary filter is fitted, such as in areas of
poor water quality check to ensure it is also clean and not blocked with foreign matter.
2. Check for signs of excessive corrosion on jacket and internal panels. Corrosion can be
indicative that a leak is present.
3. Check for leaks at all BWU fittings.
4. Check the vent line to ensure it is not blocked with foreign matter. It is imperative that
the vent line does not become blocked as the BWU is not designed to be
pressurised.
5. Isolate power and check all electrical connections for signs of overheating due to poor
connection.
6. Conduct an electrical in-service test. (Refer to page 18).
7. Check tap for signs of leaking & excessive dripping after operation (clean or replace if
required.
Lazer 441, 451, 741, 751, 761, 771, 781 & 791 Service Instructions
REV AD. Issue 02/01/14
This document is stored and maintained electronically by
Service. All printed copies are deemed "uncontrolled"
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