14
Checking before use
TOPIC
RECOMMENDATION
Cooling /
Heating
t
You can have cooling and heating operation through
the DX-COIL.
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This unit should be used with air conditioners. Air
conditioning is impossible only by this unit, because
this unit does not have temperature control function.
(It’s capacity is too small in order to control the room
temperature to the whole) and should be operated in
combination with standard indoor units.
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When a remote controller is only connected to the
ERV with DX-COIL, independent operation is possible.
However, temperature setting by remote controller is
not possible.
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In this ON/OFF operation by thermostat depends on
factory setting. However, this value is changeable by
installation/service mode on site.
Frost & De-
frost
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When the product runs in Heat mode, due to
temperature difference between the unit and the
outside air, frost will form.
If this happens:
- The product stops heating.
- The product will operate automatically in De-ice
mode for 10 minutes.
- The steam produced on the outdoor unit in De-ice
mode is safe.
t
No intervention is required; after about 10 minutes,
the product operates again normally.
NOTE
The unit will not operate when it starts to de-ice.
