Specifications

Stellar Service Instructions REV: D
Date of Issue: 14/09/2007
This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”.
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FAULT FINDING – CHART 5.1 & 5.2
5.1
The continuous addition of cold water will cause the
burner to operate more frequently and can result in
excessive water temperature at the top of the cylinder
while reducing the temperature in the mid and lower
sections of the cylinder. This condition is known as
stacking.
Stacking Water Heater
Turn the gas control to the pilot position
and cool the water in the cylinder by
drawing off water until the temperature
drops to 50 degrees
Did
water stop
discharging from
the T & PR
valve ?
5.3
YES
Replace the T & PR ValveNO
5.2
5.1
Recommend a hot water usage
pattern that will suit the water
heaters capacity and the
customers needs
5.2
Turn the gas control to
position "6" and continue
with diagnosis
Is
the flue baffle
missing?
Replace the flue baffle YES
Is
the flue baffle
the correct
length?
NO
NO
Fit the correct size flue
baffle
YES