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New Mini VRF has Max Coefficient of Performance
Top of the CoPs
It’s the smallest, most The whole MHI KX6 Compact solution David Lettis says the KX6 Compact will
energy efficient mini- allows far greater flexibility in installation satisfy the most demanding of
VRF system available – than the previous system. As well as larger requirements for economy and energy
and the new KX6 permissible pipe-runs, the maximum efficiency. “It can deliver significant
Compact from Mitsubishi height difference between indoor units is savings in energy consumption with
Heavy Industries (MHI) provides all the up from 4m to 15m. The maximum industry leading energy efficiency
“big system” air conditioning benefits of connectable capacity is up from 130% to statistics: the 12kW (4hp) outdoor unit for
flexibility and control for smaller office, 150% – which means that the 6hp / 16kW example produces a COP of 4.33 in heating
retail or residential applications of two to system can serve up to 9hp / 21kW of mode and 4.00 in cooling mode – for every
eight rooms. indoor units. There is a complete range of 1kW of energy consumed the 12hp
KX6 indoor units from cassettes to ceiling unit produces 4.33kW of heating or 4kW
MHI Sales Manager David Lettis says the KX6 suspended, wall mounts and floor of cooling.”
Compact fills a significant gap in the market. standing units.
“Until now compact VRF systems have either
been too expensive or too restricted in
flexibility. The KX6 Compact now brings the
benefits of VRF for about the same price as It out-performs competitors
a good split installation. And benchmark
tests show it out-performs every competitor
in Coefficient of Performance (COP).”
in Coefficient of Performance
The KX6 Compact achieves its best-in-class COEFFICIENT OF PERFORMANCE
efficiency performance by combining a Cooling
number of developments and innovations.
Heating
COP
These include new vector inverter control 4.50
and a new twin rotary compressor, coupled
4.00
4.00
4.33
3.71 3.72
3.50 3.36 3.29
with a heat exchanger redesigned for high
3.00
2.50
efficiency and an advanced refrigerant
2.00
return control system. In addition, the
1.50
1.00
all-new DC fan motor is 60% more efficient 0.50
than earlier models.
0
11.2kW(4.0HP) 14.0kW(5.0HP) 15.5kW(6.0HP)
(ISO-T1 conditions)
Weighing in at just 19kg, the new twin
rotary compressor in the MHI KX6 Compact
LONGER PIPE LENGTHS
is 20% lighter than comparable units. Yet it Total length: 100m
achieves higher efficiency than other twin
Outdoor unit
rotaries, and is significantly more efficient
Height difference
30m (outdoor unit above)
than scroll compressors. As a bonus, the
15m (outdoor unit below)
Indoor unit
single or three-phase 4hp, 5hp, and 6hp
(12kW, 14kW, and 16kW) outdoor units are
Max height
difference between
just 970 x 370 x 845mm – significantly
Indoor unit indoor units: 15m
smaller than earlier systems. In addition,
the KX6 Compact has new high speed
Furthest
Superlink II control logic, based on easy-to-
indoor unit: 70m
install two-wire connections.
The total length of ø3/8"(9.52mm) liquid piping must be 50m or less
www.MitsubishiAirCon.co.uk www.hrponline.co.uk
www.3dair.co.uk www.fmair.co.uk
01359 270888 01753 495720 01707 378685
www.cibsejournal.com November 2009 CIBSE Journal 25
p25_CIBSEMagNov09.indd 25 19/10/09 10:04:43
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