McQuay International CK20AW Bedienungsanleitung Seite 5

2. Unit Installation
890.0 mm (Ceiling Board Opening)
790.0 mm (Hanging Rod)
• Measure and mark the position for the hanging rod. Drill
the hole for the angle nut on the ceiling and fix the
hanging rod.
• The installation template is extended according to
temperature and humidity. Check on dimensions in use.
• The dimensions of the installation template are the same
as those of the ceiling opening dimensions.
• Before ceiling laminating work is completed, be sure
to fit the installation template to the indoor unit.
Note: Be sure to discuss the ceiling drilling work with the
installers concerned.
4. Drain Pump Work
Indoor Unit
Pipe Clamp
Good
5. Drain Test
Feed Water
Flexible Drain Hose
3. Unit Hanging
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• Drain pipe must be in downward gradient for smooth drainage.
• Avoid installing the drain pipe in up and down slope to prevent
reversed water flow.
• During the drain pipe 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 20mm.
• Be sure to execute heat insulation (polyethylene foam with
thickness more than 8.0mm) on the drain piping to avoid the
Bad
condensed water dripping inside the room.
• Connect the main drain pipe to the flexible drain.
• Feed water from flexible drain hose to check the piping for
leakage.
Main Drain Pipe
• When the test is completed, connect the flexible drain hose to the
drain connector on the indoor unit.
Note: This Indoor Unit uses a drain pump for condensed water
drainage. Install the unit horizontally to prevent water leakage or
condensation around the air outlet.
1-3
Indoor Unit
Confirm the pitch of the hanging rod.
Hold the unit and hang it on the hanging rod with the
nut and washer.
Adjust the unit height to 35.0mm 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
failing and vibration.
Open the ceiling board along the outer edge of the paper
installation template.
Ceiling
Board
35.0 mm