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Shell Relay Fuse Wiring terminal Ground terminal Fuse Temperature sensor Heating indicator Circulating working indicator Hidro-HS controller Wire hole Water outlet Water inlet Switch for controller Wiring terminal Inner tank Figure 11 Temperature switch HS series Exploited Diagram Heating element...
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4. Operation instructions a.Check the circulation system first before turn on the heater. b.Never disassemble the heater when connecting to power supply. c.Never turn on the heater without water. d.No power switch is designed for the heater. The front panel switch can only turn off the controller, thus you should cut off the main power supply before performing maintenance or repair.
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Heat-up stage In this stage, all heating elements turn on, and heating indicator turns on as well. If hint message ‘FL’ does not appear, heater will heat up to 1 ℃ above the user setting temperature, then heating indicator blinks for 2 minutes.
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5. Maintenance and Troubleshooting 1)Important: a.If unexpected high temperature occurs and the temperature switch cuts off the system, please cut off the power supply immediately; and do not restart system until the fault has been resolved. Only press the ‘RESET’ button after water temperature falls to normal range.
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3)Maintenance of heater Maintenance: a.Keeps the heater clean. b.Chemicals usage under normal water quality: A balanced water condition is important to prolong the life of heater. If Reduce scale to protect heater been corroded. Chemicals can be used to keep water clean, maintain a balanced PH value and control the concentration of Ca, Mg irons.
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