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Hitachi Air Conditioning
Engineered for tomorrow.
s y s t e m
FREE
- 20
+15
-5
+43
FSXN modular
2-pipe or 3-pipe
Set Free VRF 2-pipe heat pump or 3-pipe
heat recovery available from a single unit
to adapt to customer requirements. Each
outdoor unit is lightweight and modular
which – combined with long piping runs
and improved height difference – means
Set Free VRF can meet any design brief.
Features and Benefits
t Cooling capacities from 22.4kW to 150kW
t Heating capacities from 25kW to 165kW
t Low noise – select from 3 settings with
up to 8dB noise reduction
t 2-pipe heat pump or 3-pipe heat recovery
(requires CH Box)
t Connectable to up to 59 system free indoor units
(dependant on model)
t Total maximum pipe run of 1000 metres
t Cold Draft Prevention.
Changeover Boxes
Hitachi Changeover (CH) Boxes are compatible with the Set Free heat recovery
systems and enable a change from 2-pipe heat pump and 3-pipe heat recovery on
our FSXN and FSXNH products as customer requirements change. Installations are
quick and simple as the strainer is installed at the manufacturing stage and piping
connections are reduced from 5 down to 3. The electrical box can be positioned at
either side of the CH Box for easier servicing.
CH Boxes
CH-6.0N1
CH-10.0N1
230V / 1Ph / 50Hz
230V / 1Ph / 50Hz
HP
HP ≤ 6
6 < HP ≤ 10
Maximum number of
indoor units
-
7
8
Electricity demand
W
20
20
mm
191x301x214
191x301x214
Kg
7
7
Piping diameter Outdoor Unit to CH Box
(High/Low Pressure)
Inch
(1/2 - 5/8) / (5/8 - 3/4)
(5/8 - 3/4) / (3/4 - 7/8)
Piping diameter - From
Indoor Unit
Inch
1/2 - 5/8
3/4 - 7/8
mm
12.7 - 15.88
19.05 - 22.2
Recommended fuse size
A
5
5
Power supply
Flexibility built in
Hitachi’s System Free indoor units can
be combined with outdoor units from
either our Utopia splits or Set Free VRF
ranges for ultimate flexibility.
Nominal capacity
Dimensions (H x W x D)
Weight
mm
(12.7 - 15.88) / (15.88 - 19.05) (15.88 - 19.05) / (19.05 - 22.2)
www.hitachiaircon.com | www.hitachiheating.com
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