Drain Pipes Connection - Hisense Hi-Therma-Serie Bedienungsanleitung

●
Rubber gasket must be mounted (factory supplied), otherwise
water leakage may be caused.
●
Note the location of shut-off valves, and the direction of shut-off
valves and drain valve, which are essential to maintenance.
●
Screw up shut-off valves by using two wrenches.
(2) Additional water strainer
●
Provide a 50 mesh or more water strainer at the water inlet
side of water piping. Otherwise, damage to the plate heat
exchanger may occur. In the plate heat exchanger, water flows
through a narrow space between the plates. Therefore, there
is a possibility that freezing or corrosion may occur if foreign
particles or dust clog the flow of water between the plates.
●
This is not required when cooling mode is not used.
Water Flow Direction →
● The water piping connection needs to be completed after
flushing the water system.

8.3.2 Drain pipes connection

For a correct drainage, connect the drain pipe for the unit to
the general draining system.
Water Strainer
(50 mesh or more recommended)
Step 1 Insert the drain
pipe for the safety valve
into the drain pipe for the
indoor unit.
valve
● The safety valve is activated when water pressure
reaches 3 bar.
Insert the drain pipe of
indoor unit completely to
the end of the hose
connection.
of indoor unit
3
Insulate the drain pipe after connecting
the drain hose.
● Check if water flows without obstruction.
●
Drain pipe is not needed if cooling operation is not used.
● The recommended drain pipe of the indoor unit is polyvinyl
chloride pipe with a 1 inch inner diameter.
●
Ensure that the drain pipe is firmly fixed through the clamp,
otherwise it may cause water leakage.
● The drain pipe should always be open to the atmosphere, free
of frost and in continuous slope to the down side in case that
water leakage exists.
13
PIPING WORK
.