haier AB422BCBAA - Manual (Page 30)

Installation procedure
Install indoor unit
28
Test of drainage system
(a)After finishing the electric work, perform the test to the drainage system.
(b)During test, confirm the water flow properly passes the hose and there is
no leakage at the joint.
(c)If the house is new, perform test before installing ceiling.
(d)Even if installing in the season needing to make heating, the test also must
be performed.
Procedure
(a)Through the air outlet and use water pump to provide the equipment with
about 1000cc water.
(b)In COOLING operation, check the drainage system.
100mm
Connected with
outdoor unit
Drain hose The drainage
outlet for maintenance
(with a rubber stop)
(use this outlet to
discharge the water in
the drain pan)
Plastic watering pot
(the pipe should be
about 100mm long)
(discharge through the
air discharging hole)
(Charge through the checking hole)
Checking hole
Maintenance cover
Terminals block
of the power
The PC board of
the indoor unit
Terminals block
of the power
Electric box cover
All the provided parts, material and electric work should be complied
with the local regulation.
Must use cooper core cable.
When performing electric work, please refer to the wiring diagram on
the unit.
All the wiring work should be done by the qualified electrician.
A breaker which can cut off the power of the whole circuit must be
equipped.
For the specification of the power cable connected with the outdoor unit,
the capacity of breaker and switch and the guide of circuit, etc. please
refer to the configuration of the power supply.
7.Electric circuit