Hitachi RPI-10.0FSN3E - 14 BASIC TROUBLESHOOTING


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
oor 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.
DANGER
Special attention should be given to areas where the refrige-
rant may be deposited and stay in the room, such as base-
ments or similar, as it is heavier than air.
9.5.2 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.
DANGER
• Drainage must not take place in areas frequented by pe-
destrians. 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 tted.
• Do not t drainage pipes or collection trays in cold clima-
tes, as they could freeze and break.
If a condensation drainage kit is required for the outdoor unit, use
the optional drainage kit DBS-TP10A.
NOTE
All measurements are in mm.
Base of outdoor unit
SET FREE RAS-(8-12)FSXN1E
and RAS-(5/6)FSXNH(E)
SET FREE RAS-(14-16)FSXN1E
and RAS-(8-12)FSXNH(E)
A
ø26x2
B
ø26x2
C ø52
D
ø26x2
E
235x113
A
ø26x2
B
ø26x2
C ø52
D
ø26x2
E
245x138
A
Drainage hole. Drain boss position (option).
For the optional drainage kit DBS-TP10A
B
Drainage hole. Drain cap position (option).
For optional drainage plug
C
Opening for power wiring feed through
D
Opening for communication wiring feed through
E
Opening for feed through of refrigerant pipes

Installation position of the optional drainage kit
DBS-TP10A
Installation position (example: RAS-10FSXNH(E), lower and side
views).
A
Drain pipe
C
Drain pipes (eld-supplied)
B
Optional drain plug
D
Base of unit
Drain kit components
Model Description
Material/
colour
Qty Application
DBS-
TP10A
Drain pipe PP/black 2 Drain pipe connection
Drain plug PP/black 2 Drain pipe plug
Rubber plug CR/black 4 Pipe and plug seal
57
PMML0294A rev.2 - 07/2014
Additional refrigerant charge
ENGLISH
PMML0294A_rev.2_02-2014.indb 57 14/07/2014 12:28:33