VENTUM HYDRONIC AIR-HANDLER
Installation and Operation Manual (Revised: June 2021)
29
NA
Not enough or no
cold air in rooms
in air conditioning
mode.
The filter is clogged or dirty. The air
flow is no longer sufficient.
•
Change the filter.
•
Check whether there is
another cause of a
blockage.
The outdoor unit is stopped or is
faulty.
•
Check the power supply to
the outdoor unit.
•
Check the troubleshooting
recommended by the
unit’s
manufacturer.
•
Check for a refrigerant
leak.
There is a circulation of hot water
in the heating coil thermosiphon
barrier or by a bad configuration of
the system.
•
Added a motorized valve
that can be activated when
a heating request occurs in
order to avoid circulation in
air conditioning mode.
NA
The home’s tap
water is cold.
A significant demand for heating is
underway at the same time as the
demand for domestic hot water.
•
Modify the
water
temperature setpoint
NA
Hot air is
distributed to the
rooms when no
heating request is
in progress.
Hot water is circulating in the
radiator by thermosiphon or by
circulation of another pump.
•
Add a motorized valve to
prevent hot water from
circulating without heating
demand.
•
Increase the setpoint
temperature of the
parameter above the
temperature of the water
circulating in the radiator.
The hydronic air-handler unit
completes its heating cycle by
discharging the remaining heat in
the radiator.
•
Normal operating cycle.
Summary of Contents for VENTUM
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