Drain Piping Work - McQuay MCK 020A User Manual

Unit Hanging
•
Confirm the pitch of the hanging rod is 790.0mm X 620.5mm (MCK-A) / 600.0mm x 582.0 mm
(MCK-B)/ 538.0 mm x 448.0 mm (MCK-C).
•
Hold the unit and hang it on the hanging rod with the nut and washer.
•
Adjust the unit height to 35.0 mm ( MCK-A/B) / 30.0mm (MCK-C) between the indoor unit bottom
surface and the ceiling surface.
•
Confirm with a level gauge that the unit is installed horizontally and tighten the nut and bolt to
prevent unit falling and vibration.
•
Open the ceiling board along the outer edge of the paper installation template.

Drain Piping Work

Drain Test
Note: This indoor unit use drain pump for condensed water drainage. Installed
the unit horizontally to prevent water leakage or condensation around
the air outlet.
Indoor Unit
3
MCK-A/B/C
• Drain pipe must be downward gradient for smooth
drainage.
• Avoid the drain pipe from up and down slope to prevent
reversal flow.
• During the drain piping connection, be careful not to exert
extra force on the drain connector at indoor unit.
• The outside diameter of the drain connection at the
flexible drain hose is 20 mm.
• Be sure to provide heat insulation (polyethylene foam
with thickness more than 8.0 mm) on the drain piping to
avoid the condensed water dripping inside the room.
• Connect the main drain pipe to the flexible drain hose.
• Feed water from flexible drain hose and check the piping
for leakage.
• When the test is completed, connect the flexible drain
hose to the drain connector on the indoor unit.
75
Ceiling
Board
35.0 mm (MCK-A/B)
5.0 mm
30.0 MM (MCK-C)