Air Handler
23
5. Installation Check and Trial Run
5.1 Checking Items after Installation
Table 15
Items to be checked
Problems might happen due to
improper installation
Check
Check if each parts of the unit have been
installed reliably.
The unit might fall off, vibrate or emit
noise.
Check if the unit has passed through
leakage test.
It may cause deficiency of cooling
(heating) capacity.
Check if the unit has been insulated
properly.
It may cause condensation and water
drop.
Check if the water can be drained fluently.
It may cause condensation and water
drop.
Check if the power voltage accords with
that on the nameplate.
Malfunction might happen and parts
might be burned.
Check if the wiring and pipe line has been
installed correctly.
Malfunction might happen and parts
might be burned.
Check if the unit has been earthed
soundly.
Hazard of electricity leakage
Check if the wiring conforms to the wire
gage.
Malfunction might happen and parts
might be burned.
Check if there is obstruction blocking the
air inlet/outlet.
It may cause deficiency of cooling
(heating) capacity.
Check if the piping length and
refrigeration charging volume has been
recorded
Uncertain about the refrigerant charging
volume.
Check if the piping connection and valves
have been set properly.
It may cause unit abnormality and
damage the unit.
Make sure there is no crack among air
return and supply pipe.
It may cause air leak, vibration and noise.
Check if the panel is mounted firmly.
It may cause air leak, vibration and
condensation.
