Daikin FDMR36ERV16, Installation Manual

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INSTALLATION OF THE INDOOR UNIT
Mounting
Ensure that the overhead supports are strong enough to
hold the unit's weight. Position hanger rods and check
for alignment with the unit. Check that hangers are
secure and that the base of fan-coil unit is level in the
two horizontal directions, taking into account the gradient
recommended for drainage flow as shown.
Check the gradient recommended for drainage flow as
follow.
'l
300mm
◊
for free return of air
500mm
300mm
Provide clearance for servicing and optimal air flow as
shown in the diagram.
The indoor unit must be installed such that there is no
short circuit of cool discharge with air discharge.
Respect the installation clearance.
Do not put the indoor unit where there is direct sunlight
on unit. The location is suitable for piping and drainage
and it must be have a large distance between a door
and unit.
800 800
All dimensions in mm.
Important: 1 • While Brazing the Liquid and Gas pipe for indoor unit use wet cloth to prevent the burning of insulation.
Insulation must be provided on Liquid and Gas pipe for indoor unit after brazing.
2 Use M10/M12 Rods for installation of Indoor units total Number of installation Rods should be in
· accordance with number of hanger metal Provided for installation.
Ceiling Concealed Drain Piping Work
Insulate securely
Bottom of
the unit
Do not leave in water
Unit: mm
• The drain pipe must be installed as shown in the diagram (see diagram above) to avoid damage caused by
leaks and condensation.
• For the best result, keep the piping as short as possible. Slant the piping at an angle to improve the flow.
• Unit installation should be tilted . In range of 10 to 15mm
• The drain pipe slope shall be kept at least 1: 100.
• Ensure the drain pipe is securely insulated.
• It is necessary to provide a drain trap in the drain outlet to relieve pressure that exists within the unit compared
to the outside atmospheric pressure when the unit is operating. The drain trap is to avoid possibility of splashes
or an odour.
• Keep pipes as straight as possible for easy cleaning and to prevent the accumulation of dirt and debris.
• Conduct a water drainage test after the installation is completed. Make sure that the drainage flow is smooth.
• In humid environments, use an extra drain pan to cover the entire area of indoor unit.
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