27
ENGLISH
Connecting the drain hose to the outdoor unit
When using the air conditioner in the heating mode, ice may accumulate . During de-icing (defrost operation), the
condensed water must be drained off safely. Consequently, you must install a drain hose on the outdoor unit,
following the instructions below.
Leave space of more than 50mm (1.97inch) between the bottom of the outdoor unit and the ground for installation of
the drain hose, as shown in figure.
Insert the drain plug into the hole on the underside of the outdoor unit.
Connect the drain hose to the drain plug.
Ensure that the drained water runs off correctly and safely.
‘B’ mm
13mm
(0.51inch)
50mm (1.97inch)
Be sure to plug the rest of drain holes not connected with drain plugs using drain caps.
Drain cap
Drain plug
Insulating refrigerant pipe or Y-joint
You must check if there is a gas leak before completing all the installation process. After you check that the gas does not
leak, you must insulate the pipe and hose.
Use EPDM insulation which meets the following condition.
Item Unit Standard
Density g/cm
3
0.048~0.096
Dimension change route by heat % -5 or less
Water absorption rate g/cm
3
0.005 or less
Thermal conductivity kcal/m·h·˚C 0.032 or less
Moisture transpiration factor ng/(m²·s·Pa) 15 or less
Moisture transpiration grade g/(m²·24h) 15 or less
Formaldehyde dispersion mg/L -
Oxygen rate % 25 or more
AM0@@FXMDCH_IM_EN_03408A(1).indd 27 2013-03-04 오후 4:28:23
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