Refrigerant Pipe Connection - Midea MSE18HRN1 Installation Manual

REFRIGERANT PIPE CONNECTION

Settlement of outdoor unit
Anchor the outdoor unit with
a bolt and nut 10 or
and horizontally on a concrete
or rigid mount.
Model A(mm)
<12000Btu/h 549
>12000Btu/h
Drain joint installation
Fit the seal into the drain elbow, then insert
the drain joint into the base pan hole of
outdoor unit, rotate 90 to securely assemble
them. Connecting the drain joint with an
extension drain hose (Locally purchased),
in case of the water draining off the outdoor unit
during the heating mode.
Refrigerant pipe connection
1. Flaring work
Main cause for refrigerant leakage
is due to defect in the flaring work.
Carry out correct flaring work
using the following procedure:
A: Cut the pipes and the cable.
1. Use the piping kit accessory or pipes
purchased locally.
2. Measure the distance between the indoor and the outdoor unit.
3. Cut the pipes a little longer than the measured distance.
4. Cut the cable 1.5m longer than the pipe length.
B: Burr removal
1. Completely remove all burrs from the cut
cross section of pipe/tube.
2. Put the end of the copper tube/pipe in a
downward direction as you remove burrs in
order to avoid dropping burrs into the tubing.
8 tightly
B(mm)
266/276
530
290
Air inlet
Fig.12
Drain joint
Seal
Fig.13
90 C
Oblique
Fig.14
Point down
Fig.15
8
Air inlet
Air outlet
Base pan hole of
outdoor unit
Seal
Drain pipe
Roughness Burr
Pipe
Reamer