14
5.
Thermostat checking
Automatic Reset Thermostat
Definition:
The thermostat will automatically cut out power system when the water in tank rises
to 45 5 o he the thermostat, follow the steps below:
-Disconnect cables as in the picture.
- Set multimeter to Ohm range "Ω" or " ))))
- Check on poles.
Check
Result
Cause
Action
Pole -Pole
"Beep" signal "
)
)
)
) "
Pass
No action
No signal "OL" or (∞ Ω)
Connector open
Automatic reset*
Remark: "OL" = Over Load for Digital multimeter, "
∞
Ω" = Over Load for Analog multimeter.
*Note: Please ensure that step 1-3 (See hapter “System onfirm”) has been ompletely he ed
IS 45E/E-2 , IS 60E/E-2
IS 35E/E-2