Heatrae Sadia Electromax Installation Guide - Advanced Water
Heatrae Sadia Electromax Installation Guide - Advanced Water
Heatrae Sadia Electromax Installation Guide - Advanced Water
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Diagram 34 <strong>Water</strong> Heater Fault Finding<br />
Expansion Valve Faults<br />
EXPANSION RELIEF<br />
VALVE DISCHARG ES<br />
IS<br />
DISCHARGE<br />
INTERMITTENT<br />
YES<br />
CHECK DHW<br />
EXPANSION<br />
VESSEL CHARGE<br />
PRESSURE IS 3.5 BAR<br />
NO<br />
IS<br />
DISCHARGE<br />
CONTINUOUS<br />
YES<br />
CHECK COLD W ATER<br />
COM BIVALVE<br />
PRESSURE REDUCER<br />
CONTROLS AT 3.5BAR<br />
CHECK EXPANSION<br />
VALVE O PERATION.<br />
Diagram 35 <strong>Water</strong> Heater Fault Finding<br />
Temperature & Pressure Relief Valve<br />
Faults<br />
TEM PERATURE /<br />
PRESSURE RELIEF<br />
VALVE D ISCHARG ES<br />
IS<br />
DISCHARGE<br />
TEM PERATURE VERY<br />
o<br />
HOT (>85C )<br />
YES<br />
THERM AL CO NTRO L<br />
FAILUR E.C HECK<br />
THERM O STAT<br />
OPERATION<br />
NO<br />
IS<br />
DISCHARGE<br />
AT NO R M AL<br />
OPERATING TEMP<br />
o<br />
(UP TO 70C)<br />
YES<br />
TEM PERATURE /<br />
PRESSURE RELIEF<br />
VALVE FAU LT.<br />
REPLACE.<br />
34 <strong>Installation</strong> & Servicing Instructions
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