15
Installation Procedure
Original concrete slab
Use hole hinge, hole plunger or hole bolt.
l
Fasten the nut on the suspension screw and then hang the suspension screw in the T
slot of the suspension part of the unit.
l
Aided with a level meter, adjust level of the unit within 5 mm.
Steel reinforcement structure
Use steel angle or new support
steel angle directly.
Rigid PVC pipe VP31.5mm (internal diameter)
Foamed PE with thickness above 7mm
! Caution
In order to drain water normally, the drain pipe shall be processed as specified in
the installation manual and shall be thermal insulated to avoid dew generation.
Improper hose connection may cause indoor water leakage.
Requirements
The indoor drain pipe shall be thermal insulated.
The connection part between the drain pipe and the indoor unit shall be insulated so as to
prevent dew generation.
The drain pipe shall be slant downwards (greater than 1/100). The middle part shall not be
of S type elbow, otherwise abnormal sound will be produced.
The horizontal length of the drain pipe shall be less than 20 m. In case of long pipe, suppo-
rts shall be provided every 1.5 – 2m to prevent wavy form.
Central piping shall be laid out according to the following figure.
Take care not to apply external force onto the drain pipe connection part.
Pipe and insulation material
Pipe
Insulation
VP30
To the largest (app. 10cm)
Down slope above 1/100
S type elbow
1.5m~2m
Support
Insulation
(supplied by the user)
Down slope
above 1/100
Hanging bolt
Suspension screw
Support steel angle
Hanging of the indoor unit
Summary of Contents for MRV 09 Series
Page 20: ......
