Connect The Drain Pipe - Midea MFA-18HRDN1-Q Manual

Step 1: Ensure that the handle on the male coupling is in a
reclined position away from the mating male coupling.
Step 2: Retract the"Release Sleeve"on female coupling, insert
the male coupling located on the indoor unit into the
female coupling.
Step 3: Release the"Release Sleeve" to the lock the male
coupling into places.
Step 4: Fold the male coupling handle towards the female
coupling half and push until the handle seals behind the
"Release Sleeve"and flat against the entire coupling
assembly.
Frostproof processing
For prevent that the connet pipe produce frost to drip,you
need to adhibit the holding sponge on the connet pipe of
inside door,and then bundle it by wrapping tape.
Wrapping tape
Holding sponge

8. CONNECT THE DRAIN PIPE

Install the drainpipe of the indoor unit
The outlet has PTI screw bread, Please use sealing materials
and pipe sheath(fitting) when connecting PVC pipes.
CAUTION
The drain pipe of indoor unit must be heat insulated, or it will
condense dew, as well as the connections of the indoor unit.
Hard PVC binder must be used for pipe connection, and make
sure there is no leakage.
With the connection part to the indoor unit, please be noted not
to impose pressure on the side of indoor unit pipes.
When the declivity of the drain pipe downwards is over 1/100,
there should not be any winding.
The total length of the drain pipe when pulled out traversely
shall not exceed 20m, when the pipe is over long, a prop stand
must be installed to prevent winding.
Refer to the figures on the right for the installation of the pipes.
Downward declivity
lower than 1/100
Drainage test
Check whether the drainpipe is unhindered.
New built house should have this test done before
paving the ceiling.
Install the drain joint of the outdoor unit
Fit the seal into the drain joint, then insert the drain joint into the
base pan hole of outdoor, rotate 90 to securely assemble them.
Connect the drain joint with an extension drain hose (Locally
purchased), in case of the condensate draining off the outdoor
unit during the heating mode.(Refer to Fig.8-2)
Fig. 7-4
Seal
All the pictures in this manual are for explanation purpose only.
They may be slightly different from the air conditioner you
purchased(depend on model).The actual shape shall prevail.
1.5m~2m
Insulating
Downward declivity
material
lower than 1/100
Bend
S shape
Put as deep as possible
(about 10cm)
VP30
The base pan hole
Drain joint
of outdoor unit
Seal
Drain
The base pan
joint
of outdoor unit
NOTE
Fig. 8-1
Fig.8-2
installation & owner's manual
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