Drain Piping - Hisense AUD-18UX4SGKL User And Installation Instructions Manual

5. Drain piping

·
Install the drain piping
·
Make sure the drain works properly.
·
The diameter of drain pipe connection hole should
be same as that of the drain pipe.
·
Keep the drain pipe short and sloping down wards at
a gradient of at least 1/100 to prevent air pockets from
forming.
CAUTION
Water accumulating in the drain piping can cause
the drain to clog.
·
To keep the drain tube from sagging, space hanging
wires every 1 to 1.5 m.
·
Use the drain hose and the clamp. Insert the drain
hose fully into the drain socket and firmly tighten the
drain hose and warm-keeping material with the clamp.
·
The two areas below should be insulated because
condensation may form there causing water to leak.
·
Drain piping passing indoors
·
Drain sockets.
·
Referring the figure below, insulate the drain socket
and drain hose using the included large sealing pad.
Sealing material
Drain hose
Refrigerant pipes
Drain pipe connection hole
(external straight pipe thread)
Sealing material
Installation and Maintenance
CAUTION
Drain piping connections
·
Do not connect the drain directly to sewage
pipes that smell of ammonia. The ammonia in the
sewage might enter the indoor unit through the
drain pipes and corrode the heat exchanger.
·
Do not twist or bend the drain hose ,so that
excessive force is not applied to it.
This type of treatment may cause leaking.
·
After piping work is finished, check drainage
flows smoothly.
·
Gradually insert approximately 1000 cc of water
into the drain pan to check drainage in the manner
described below.
·
Gradually pour approximately 1000 cc of water
from the outlet hole into the drain pan to check
drainage.
·
Check the drainage.
Air outlet
Portable pump
Bucket
39
Refrigerant
pipes
Drain outlet