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Hi-Therma Integra system - Indoor unit (AHS-044/060/080HCDSAA-23)
2.3.11 Removing the DHW Thermistors
1) Remove the upper front panel as explained in “2.3.1 Removing the upper front panel”.
2) Remove the lower front panel as explained in “2.3.2 Removing the lower front panel”.
4) Remove the DHW electric heater cover as explained in “2.3.10 Removing the DHW electric heater”.
The above operations shall be conducted only when the power is completely cut o.
TDHW needs to be inserted into the deepest part of the blind pipe, and the wiring should be xed with cord clamp to avoid inaccurate
installation position and coming o of the TDHW, resulting in abnormal water temperature control;
TDHW1 needs to be rmly xed with clamp spring, and TDHW1 shall be in close contact with the inner part of the DHW tank to prevent
TDHW1 from being installed unstably and coming out, resulting in abnormal water temperature control;
TDHW PCB terminal is marked as “TDHW”, TDHW1 PCB terminal is marked as “A5”. If the terminals are connected incorrectly, it will
cause abnormal water temperature control.
6) To reassemble a new DHW thermistor, proceed in a reverse way than disassembling.
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