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 30 <strong>Water</strong> Heater Fault Finding<br />
Master<br />
Diagram 31 <strong>Water</strong> Heater Fault Finding<br />
Off Peak (Lower) Immersion Heater<br />
Faults<br />
WATERHEATER<br />
NOT W ORKING<br />
IS DHW<br />
SW ITCH O N<br />
& ILLU M INATED<br />
NO<br />
CHECK ELECTRICAL<br />
SUPPLY<br />
OFF PEAK (LO W ER )<br />
IMM.HEATER NOT<br />
OPERATING<br />
IS 240V<br />
SUPPLY AT<br />
OFF PEAK<br />
TERM INALS<br />
NO<br />
CHECK OFF PEAK<br />
ELECTRICALSUPPLY<br />
IS ON<br />
YES<br />
YES<br />
DOES<br />
OFF PEAK (LO W ER )<br />
IMM.HEATER<br />
OPERATE<br />
NO<br />
GO TO OFFPEAK<br />
IMMERSION HEATER<br />
FAULT FINDING<br />
IS 240V<br />
SUPPLY AT<br />
OFF PEAK (LO W ER )<br />
THERM O STAT<br />
TERM INALS<br />
NO<br />
CHECK INTERNAL<br />
WIRING<br />
YES<br />
YES<br />
DOES<br />
BOOST (UPPER)<br />
IMM.HEATER<br />
OPERATE<br />
YES<br />
NO<br />
GO TO BOOST<br />
IM M ERSION HEATER<br />
FAULT FINDING<br />
NOTE:<br />
DO NOT CHECK ELEMENT<br />
RESISTANCE W ITH PO W ER<br />
ON<br />
NO<br />
REPLACE<br />
IMMERSION<br />
HEATER<br />
DOES<br />
WATERFLOW<br />
W HEN TAPS ARE<br />
OPENED<br />
YES<br />
NO<br />
GO TO WATER FLOW<br />
PROBLEM S FAULT<br />
FINDING<br />
YES<br />
IS<br />
THERM O STAT<br />
SET TO A LOW<br />
TEMPERATURE<br />
YES<br />
SET THERM OSTAT<br />
TO PO SITION 4TO 5<br />
YES<br />
GO TO EXPANSION<br />
RELIEF VALVE<br />
FAULT FINDING<br />
NO<br />
NO<br />
HAS<br />
THE THERM AL<br />
CUT-OUT<br />
OPERATED<br />
YES<br />
RE-SET THERM AL<br />
CUT-OUT<br />
YES<br />
GO TO T&P RELIEF<br />
VALVE FAULT<br />
FINDING<br />
NO<br />
NO<br />
NO<br />
REPLACE<br />
THERM O STAT<br />
SW ITCH O FF W ATER<br />
HEATER.CONTACT<br />
HEATRAE SADIA<br />
32 <strong>Installation</strong> & Servicing Instructions
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