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31-5000579 Rev. 2 17
ENGLISH
INSTALLATION INSTRUCTIONS
Drain Pipes (cont)
Heat Insulating Treatment:
• Wrap the connection between the clamp and the root
segment of the indoor unit without any gap with heat
insulating materials as shown in the drawing.
Lifting Drainpipe:
• The drainpipe can be lifted 17.7in (450mm). When the down gradient of the drainpipe
can't be ensured, after upright lifting, the drainpipe is in the down slope.
Confirming Drainage:
The drainage should be confirmed during the test run to make sure that there is leakage at the connection.
The confirmation of drainage should be also performed during the installation in the winter season.
• After mounting the electrical system, do cooling operation
and meanwhile add water and check.Fill 0.158gal (600cc)
water with a hose from the injection nozzle. Add the water
slowly. Don't add water to the motor of the drainage pump.
• Confirm the sound of the motor:
Confirm the sound of the motor of the drainage pump and
meanwhile check the drainage.
Tubing Permissible Length & Height Difference:
Please refer to the attached manual of outdoor units.
Tubing Materials & Specifications:
Please refer to the attached manual of outdoor units.
Model MVAO005~012ME2AA
Tubing Size
(in (mm))
Gas pipe 1/2" (Ø12.7)
Liquid pipe 1/4" (Ø6.35)
Tubing Material R-410a rated copper tubing
Hose Clamp Hose
PVC Pipe
Water Outlet
Rigid PVC Adhesive
Under the ceiling
3.9in
(100mm)
below
Lifting 23.6in(600mm) below
Lifting 17.7in
(450mm) below
Injection Nozzle
Drain Connection
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