Noisy Water Heater - Chart 5 - Rheem 55027500 Service Instructions Manual

Noisy Water Heater - Chart 5

5
Is the
noise only evident
during the heating
cycle?
NO
Is the
noise water
hammer?
NO
Is the
noise only evident
when water is flowing
through the
heater?
YES
Is the
noise a
metallic popping
sound?
NO
Is the
water pressure
more than 80% of the
T&PR valve
rating?
TM017 Rheem Air Sourced Heat Pump Service Instructions REV: C
Date of Issue: 5/11/05
This document is stored and maintained electronically by
Is the
noise from the
YES
evaporator
fan?
YES
Is
the noise
mechanical or air
related?
Mechanical
YES
NO
YES
NO
YES
28
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled".
Check for loose fittings or pipe work in
the refrigeration system
NO
Check for possible mechanical failure in
compressor
Normal noise level during operation is
approximately 59dB at 1.5 metres
If this level is affecting neighbors a timer
AIR
should be fitted to prevent operation
during the affect hours or to comply with
local council regulations
Fan loose on motor shaft
Remove assembly and tighten
Fan motor faulty - Replace
Refer to water hammer causes in the
'Common Complaints' section
Check all other appliances or valves that
can generate noise i.e. washing
machines, dishwashers, ball valves etc
Cylinder contracting due to pressure
release when hot tap opened
This can also be accompanied by a
creaking or cracking sound
Normal Operation
Check for a faulty stop cock, non-return
valve or T&PR valve
Check for restrictions in pipe work, faulty
valves, loose plumbing or other
appliances i.e. washing machine or
dishwasher
Fit 600kPa pressure limiting valve