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ILAHP Inverter Extreme Air-to-Water Heat Pump
CAUTION: The remote On/Off,
Remote Heat/Cool, Heat/Cool
On/Off, and DHW Enableinputs
are for voltage-free relay
contacts only. Any voltage
introduced to the controls at
these points will immediately
destroy the primary unit control.
AUX Heat Overtemp Switch
*When any auxiliary heating device, regardless of the source, is
employed and controlled by the heat pump, a Normally Closed
thermal switch or fuse must be wired between AI/DI 15 & GND,
and installed in thermal contact with the water surrounding or
within the heat source. The device must open, or fail open, if the
water temperature exceeds a predetermined value sufficient to
protect all associated equipment from excess temperature or
pressure. In no case shall this value be greater than 201°F/94°C
Wiring Diagrams and Definitions: Field Connections