15
CONDENSATE DRAIN PAN
MODELS 10. 80. 90:
For
AWC
and
AWN
wall-mounted units, you must first remove the bodywork or the front blanking panel. Finally,
for
AHN
/
AHC
ceiling-mounted units, follow the procedure below:
Condensate drain pan removal -
AHC
/
AHN
units
On
AHC
unit, remove cabinet (see instructions in section "Unit installation/Cabinet removal").
Remove drain pipe.
Take off auxiliary drain pan, after removing the 2 fixing screws.
Remove the fixing screws of the main drain pan. Pull downward the side opposite to the condensate
outlet side, then take out the main drain pan by releasing the condensate outlet tube from its
location.
Before re-installing, make an internal cleaning of the drain pans.
To reassemble the condensate drain pans, do as above in the reverse way.
1.
2.
3.
4.
5.
6.
Check the good condition of the gasket ensuring the tightness between the auxiliary
drain pan and the wall of the unit casing.
COILS
The clean state of the coils is a positive factor for proper efficiency of the unit.
To avoid mouldiness of coils caused by an accumulation of fine dusts, it is recommended to clean them
frequently.
If necessary comb the coil fins with an appropriate tool.
On the ceiling
AHC
/
AHN
(10-80-90) unit, to have direct access to the coil, it is necessary to remove the
condensate drain pans.
FAN MOTOR ASSEMBLY
There is no particular maintenance on fan and motor assembly. All fan coil units utilize permanently lubricated fan
motor bearings.
However during periodic maintenance, check that fan wheel does not touch the housing and adjust, if necessary,
clearance.
If fan motor overload protection open, wait for automatic overload reset and try to determine the cause.
On the ceiling
AHC
/
AHN
(10-80-90) unit, to have direct access to the fan and motor assembly, it is necessary
to remove the access panel.
The condensate drain pan should be checked periodically and cleaned and rinsed if required.
MODELS 20 TO 70:
You can gain direct access to the condensates tray on non-encased units and after removal of the casing on encased
units (See instructions in the chapter «Unit Installation / Casing removal) for encased units.
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