
32
DRAINAGE UPWARDS
Upon leaving the unit the drainage pipe can
have an initial horizontal lift of upto 360mm,
before starting the downwards inclination
indicated on the previous page. This must be
within 100mm of the drainage pipe leaving
the cassette unit.
DRAINAGE TEST
Once the drain pipe has been fully installed, the pipework should be initially be visually checked.
Once visually checked, an operation test can be conducted.
1. Ensure power is not connected to the unit.
2. Remove the water tank cover and insert 600ml of water, ensuring that it does not touch the
drain pump motor.
3. Disconnect the water level switch.
4. Connect the power to the unit, and the drain pump should start immediately.
5. Allow to run for 1 minute.
6. Following the test, disconnect the power and reconnect the water level switch.
Cover
L
N
B
e
low 3
6
0
m
m
B
e
low 6
0
0
m
m
Below 100mm
Indoor Unit
Ceiling
Drainage Pipe