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”.
21
FAULT FINDING – CHART 5
Water Too Hot
5
Is
the T & PR
valve continuously
discharging
water?
Is
the water
supply pressure above
1120kPa?
Refer to specifications table
Replace the T & PR valve with
one of the correct pressure rating.
Do not use reconditioned
T & PR valves
Existing pressure limiting valve
faulty - Replace
FIt a pressure limiting valve if not
already installed
YES
Thermostat setting
too high?
Reduce the thermostat setting.
Does
the water
temperature correspond with
the thermostat
setting?
Replace the gas controlNO
Is
the correct
T & PR valve
fitted?
Is the
correct baffle
fitted?
Refer to specifications table
Replace the baffle
NO
Position "6" on the gas control will deliver
water at approximately 60 degrees
NO
NO
Is
the main
burner injector the
correct
size?
YES
Refer to specifications table
Replace injector with one suitable
for the model and gas type.
NO
Replace T & PR Valve
NO
Is
the customer
drawing small but frequent
amounts of hot
water?
YES
Is
the water
temperature above
85 degrees?
YES
NO
5.1YES5.3 5.2
YES
YES
NO
YES