¿ Countermeasures in the event of refrigerant leaks
The room should have the following characteristics in case of a leak of refrigerant:
1 Opening without shutter to permit the circulation of fresh air in the room.
2 Opening without door measuring 0.15%, or greater, of the floor surface.
3 A
fan with a capacity of at least 0.4 m
3
/minute per tonne of Japanese refrigerant ( = volume displaced by the compressor /
5.7 m
3
/h) or greater, connected to a gas sensor in the air conditioning system which uses the refrigerant.
D A N G E R
Special attention
should be given to areas where the refrigerant may be deposited and stay in the room, such as
basements or similar, as it is heavier than air.
3.1.10 Drainage pipes
¿ Condensation drainage system
When the outdoor unit operates in refrigeration or heating mode, there is a build-up of condensation of the ambient humidity
which, together with rain water, requires draining.
Select a location for the unit which permits adequate drainage. If necessary, mount an installation suitable for the drainage
of condensation.
D A N G E R
• Drainage must
not take place in areas frequented by pedestrians. In low temperatures, the drainage water could
freeze and lead to falls. If it is necessary to install the outdoor unit in an area frequented by pedestrians, an
additional drainage tray should be fitted.
• Do not fit drainage pipes or collection trays in cold climates, as they could freeze and break.
If a condensation drainage kit is required for the outdoor unit, use the optional drainage kit DBS-TP10A.
N O T E
All measurements are in mm.
Base of outdoor unit
1. SET FREE RAS-(8-12)FSXN C. Opening for power wiring feed through.
2. SET FREE RAS-(14-18)FSXN D. Opening for communication wiring feed through
A. Drainage hole ø26. For the optional drainage kit DBS-
TP10A.
E. Opening for feed through of refrigerant pipes 235 x 113.
B. Drainage hole ø26. For optional drainage plug.
3 Piping work and
refrigerant charge
64
SMGB0065 rev. 1 - 12/2010
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