Midea MCA-24HRN2MCA-24CRN2 Installation Manual page 17

2. Drainage test
Check whether the drainpipe is unhindered
New built house should have this test done before paving the ceiling.
1) Remove the test cover, and stow water of about 2000ml to the water receiver through the stow
tube. ( Refer to Chart 30)
2) Turn on the power, and operate the air conditioner under the "COOLING" mode. Listen to the
sound of the drain pump. Check whether the water is discharger well (a lag of 1min is allowed
before discharging, according to the length of the drain pipe), and check whether water leaks
from the joints.
CAUTIONS: If there is any malfunction, please resolve it immediately.
3) Stop the air conditioner, turn off the power, and reset the test cover to its original position.
The drain plug is used to empty the water-receiver for maintenance of the air conditioner. Please
stuff it imposition at all times during operation to avoid leakage.
3. Drain Elbow Installation (Cooling Only Type Without)
Fit the seal into the drain elbow, then insert the drain elbow into the base pan hole of outdoor, rotate
0
90 to securely assemble them. Connect the drain elbow with an extension drain hose (Locally
purchased), in case of the condensate draining off the outdoor unit during the heating mode.
Seal
Pump joint
Test mouth
Body
Water-receiver
The base pan hole
Drain elbow
of outdoor unit
Test cover
Stow tube
Drain plug
Chart 30
The base pan
of outdoor unit
Chart 31
15
Seal
Drain
elbow