Haier SYJS-0308 Service Manual page 134

5.3.6 Installation of drainage pipe
(1) Install water drainage pipe
Pipe dia, shall be equal or larger than that of unit piping.(pipe of polyethylent; size: 25mm; O.D:32mm)
Drain pipe should be short, with a downward slope at least 1/100 to prevent air bag from happening.
If downward slope can't be made, take other measures to lift it up.
Keep a distance of 1-1.5m between suspending brackets, to make water hose straight.
Use the self-provided stiff pipe and clip
Tighten the clip until head of the screw is less than 4mm from hose.
Wind the drain hose to the clip using seal pad 8 .
Insulate drain hose in the room.
Tape (White)
<Cautions for the drain water lifting pipe>
Installation height shall be less than 280mm.
There should be a right angle with unit, 300mm from unit.
1~1.5m
300mm below
Drain hose 1
(accessory)
drain water lifting pipe
Clip 2
(accessory)
(Note)
The slope of water drain hose (1) shall be within 75mm, don't apply too much force on it.
If several water hoses join together, do as per following proceedures.
Specifieations of the water hoses shall meet the requirements for the unit running.
(2) Check if water drainage is smooth after installation.
Charge, through air outlet or inspecting hole, 1200ccd water to see water drainage.
After wiring
Check water drainage in cooling operation. See also
When wiring is not complete
Remove cover of control box, short connect "CHECK" terminal of the indoor unit, which is on the uper
part of indoor unit PCB. Connect 1PH power to terminal 1 and 2 on terminal block.
Note, in this operation, fan will be running.
Upon confirmation of a smooth water drainage, be sure to cut off power supply andremove short
connection of "CHECK" terminal.
Method of water charging
Self-provided stiff pipe
Water drainage port for
maintenance
(Drain water from
this hole)
Charge water from
100mm
inspecting hole
Watering can of plastic
pipe should be about
Charge water from
100 mm long air outlet
1-1.5m
Slope over 1/100
2
with unit. Insert water pipe into water plug until it reaches the white tape.
Clip 2
Self-provided stiff pipe
Suspending bracket
Connect water hoses with a T joint.
Maintenance
Inspecting hole
INSTALLATION INSTRUCTIONS
Clip 2 Clip 2
(accessory)
Self-provided stiff pipe
(accessory)
test run.
11
Waterring can of plastic
Large size seal pad
10
(accessory)
4mm below