11
Installation
Precautions
• Avoid locating the unit close to bedrooms or other noise sensitive areas.
• Avoid a location which could create vibration (e.g. secured to a solid wall).
• The fan should not blow towards windows, walls or spaces likely to be inhabited by people or animals.
• Do not install where the in.temp is likely to be subjected to polluted air, dust or debris, etc.
• Avoid directing fan output against the dominant wind directions.
• Protect the heat pump from possible snow fall.
• Minimise exposure to environmental conditions as much as possible and never block the airflow.
Securing the in.temp
The in.temp should be securely fixed. The four included rubber mounts should be installed to absorb high-frequency
vibrations.
Piping
A bypass, consisting of three valves, must be installed to adjust water flow to the in.temp and to isolate the apparatus for
maintenance purpose.
For a more stable flow in the heat exchanger, it is recommended to install the in.temp on the pressure side of the
main pump.
If your installation is equipped with a water treatment system (chlorine, bromine, salt, etc.) the bypass must be installed
before the water treatment, with a check valve between the bypass and water treatment system.
Condensation
The air drawn into the in.temp is strongly cooled by the operation of the in.temp for heating the spa water, which may
cause condensation on the fins of the evaporator. The amount of water may be as much as several liters per hour at high
relative humidity. This is sometimes mistakenly regarded as a water leak.
Since water generated by condensation will be evacuated at the bottom of the in.temp, it is better to provide a slight
rearward slope when installing the in.temp to allow this water to flow freely on the ground. It must also be ensured that
this evacuation of water will not affect any components around the in.temp like electrical circuit and material like wood or
metal that can be weakened by water. That said, be aware that water will flow under the in.temp in normal operation.
spa circulation/
main pump
spa control
input valve
bypass valve
check valve
output valve
in.clear (sanitation)
water in
water out
spa equipment bay
in.temp
In order to limit the heat loss from the piping,
it is recommended to install the heat pump as close
as possible to the spa. A 16 foot (5 m) cord is provided.
communication port RS485
power
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