Riello R32 Series, Installation And Technical Service Instructions

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INSTAllATION
14
9
As for circuit leak and pneumatic vacuum tests, refer to the
matching outdoor unit instruction booklet for the installer.
Pipe insulation
Connection pipes must be thermally insulated to prevent dis-
persions of heat or formation of condensate.
1 Gas pipe
2 Condensation discharge
3 Liquid pipe
4 Heat insulation
5 Adhesive tape
5
4
4
1
2
3
— insulate the liquid and gas pipes separately
— use insulating material that is thicker than 15 mm
—
ensure that the insulating material adheres to the pipe
without gaps
— fix using adhesive tape
9
Do not tighten the adhesive tape excessively to prevent
damaging the insulation.
9
Avoid partial insulation of the pipes.
9
In case of use with outdoor temperature above 30 °C and
relative humidity above 80%, increase wall thickness up to
20 mm.
For gas pipes:
— ensure that the material used resists to temperatures up
to 120°C
For liquid pipes:
— ensure that the material used resists to temperatures up
to 70°C
2.12 Condensate discharge connection
R
AMW ST is provided with a tray that collects condensate
generated during the cooling operation, which must be con-
veyed into a suitable place for discharge. Sizes and position of
the discharge pipe are indicated below.
1 Condensate discharge pipe
1
Model 25 35 50 70
Connections
Condensate discharge
attachment Ø
16 mm
1 Condensate discharge pipe
2 Drainage pipe
3 Insulating material
1 2
3
—
connect a rubber drainage pipe
— direct it toward a suitable place for discharge
— insulate the joints
< 50
9
The discharge system must feature a suitable syphon in or-
der to prevent air from entering the vacuum system. The sy-
phon also prevents odours and insects from entering the
system.