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a1:protocol:ts_wh_elec_res [2020/12/24 08:41]
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-======Trouble Shooting ~ Water Heaters ~ Electric ~ Residential====== 
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-====ELECTRIC WATER HEATER SERVICING==== 
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-  - REMOVE PANEL TO EXPOSE UPPER THERMOSTAT, WITH CORRECT TESTER CHECK TO CONFIRM POWER TO UNIT, THEN CHECK RED RESET BUTTON, IF RESET BUTTON HAS TRIPPED YOU CAN RESET IT, BUT LET THE CLIENT KNOW THAT IF THIS REOCCURS THERE IS LIKELY A SHORT IN THE WIRING AND WATER HEATER WILL NEED REPLACED. ​ 
-  - WITH POWER STILL ON ADJUST UPPER THERMOSTAT TILL THE ELEMENT TRIES TO COME ON, WITH CLAMP -ON PORTION OF TESTER( CAREFULLY !!!) CLAMP AROUND ONE OF THE WIRES GOING TO THE ELEMENT AND CONFIRM AMPS SHOULD BE APPROX 19 AMPS FOR 4500 WATT ELEMENTS AND APPROX 16 AMPS FOR 3500 WATT ELEMENTS. TURN UPPER ELEMENT BACK DOWN UNTIL THERMOSTAT SHUT OFF AND THEN REPEAT THIS STEP ON THE LOWER THERMOSTAT & ELEMENT. IF AMPS ARE NOT RIGHT THEN SHUT OFF BREAKER AND TEST OLMS ON THE ELEMENT THAT IS NOT RIGHT, OLMS SHOULD READ BETWEEN 11 AND 14 IF ELEMENT IS GOOD, IF OLMS READING IN NOT RIGHT AND THE NUMBERS ARE BOUNCING ALL OVER THEN PROCEED WITH REPLACING THE ELEMENT. ​ 
-  - FOR THERMOSTAT TESTING YOU CAN ONLY TURN THE TEMP UP AND DOWN WITH THE POWER ON AND CONFIRM THAT THE POWER GOES TO THE ELEMENT AS IT IS SUPPOSED TO. 
-  - T AND P VALVE LEAKING CHECK INCOMING WATER PRESSURE AND THEN CHECK THE EXPANSION TANK. 
-  - ANODE ROD AVERAGE LIFE SPAN IS 5 YRS ON WELL WATER AND 7 YRS ON CITY WATER.