mundoclima MUCR-H11 Série Manuel D'installation Et L'utilisauter page 78

4.3 Testing of drain piping
- Check whether the drainpipe is unhindered.
- New built house should have this test done before paving the ceiling.
The unit with pump.
1. Remove the test cover, and stow about 2000ml water to the
water pan.
Test cap
2. Operate the air conditioner in "COOLING" mode. The sound
of the drain pump shall be heard. Check whether the water is
discharged well (1 min lag is possible, according to the length
of the drain pipe), and check whether the water leaks from the
joints.
3. Power off the air conditioner and recover the cap.
Stow tube
78
Motor and drain pump maintenance
(Take rear ventilated as example)
Motor maintain:
1. Take off the ventilated panel.
2. Take off the blower housing.
3. Take off the motor.
Pump maintenance:
1. Screw off four screws from drain pump.
2. Plug off pump power supply and water level switch cable.
3. Take off pump.
Mofor
Blower housing
entilated panel
Pump