Kirby MXW
EC Condenser
with microchannel coil technology
Energy efficiency
Low noise level
Environment
110kW1116kW
Kirby MXW EC Condenser
Product Overview
MXW is the latest range of air cooled condensers from Kirby that offer both a compact
footprint and reduced refrigerant charge through the combination of original design and
innovative technology.
>The condensers are built as modules around W-shaped microchannel coils for ease of installation especially
in confined spaces
>Offers up to 75% refrigerant charge reduction compared to traditional designs
>The modular construction allows each module to be field connected independently even with different
refrigerants in the one unit
>A unique sound wall and EC motor design gives up to 10dB(A) sound reduction in the horizontal plane
Optimised footprint, reduced refrigerant charge, sleek and innovative design make this Kirby MXW range a
perfect remote condenser choice for all direct expansion application projects.
Description
Casing
• Casing made of galvanised steel sheet metal painted with a
white RAL 9002 powdered polyester paint
• Lateral anti-intrusive grilles painted with aesthetic design offering
a protection against external impacts
• Unit with attractive design and low height (<2m) for a perfect
integration into the surrounding environment
Coil
• The MXW range is equipped with aluminum microchannel heat
exchanger offering reliability and robustness (high mechanical fin
resistance) and high corrosion resistance
• This technology has proven its value in the automobile sector
and is now used for its numerous advantages in the refrigeration
sector and air conditioning sectors
• These coils offer greater efficiency than traditional coils (copper
tubes/aluminum fins). They are significantly lighter and the
reduced weight renders them easier to handle. As the coil is
brazed in a single operation, the risk of leakage is considerably
reduced and the quality inspections are stringent: 100% of the
products are tested
• Special coating for the coils ensure an improved corrosion
resistance for aggressive atmospheres. Standard coils tested
for 2000 hours salt spray ASTM G85 - A3 (salt water and
acetic acid)
EC motors
• High reliability electronic switching fan motors (EC) are standard
and enable optimised operation of your system
• This motor offers a reduction in energy consumption for a given
power rating: a detailed comparison of the energy balance may
be carried out for each project (please consult us)
2
Kirby MXW EC Condenser
Product Overview
Advantages
Installation
Servicing
• Optimisation of installation costs:
The modular construction allows each module to be connected
independently offering autonomous regulation of discharges
of several compressorised racks. The user may use one single
condenser that reduces the space requirement and installation
time. In addition, the reduced refrigerant charge ensures
reduced costs
• Use of high pressure cleaners for easy coil servicing
Maintenance
• Easy access to the coil makes maintenance easier.
The modules are composed of two coils easily removable
for service or replacement
• Minimised Footprint:
The MXW ranged is optimised to minimise floor space required
for installation by the combination of original design and
innovative technology: The condenser is indeed built as modules
around W-shaped microchannels coils for easy installation in
confined spaces
• Ideal for use is an urban environment:
Various ventilation solutions offered allowing significantly reduce
noise level as low as 19 dB(A) at 10m per module (in compliance
with Eurovent standards). In addition, the unique sound wall acts
as an acoustic enclosure
56 dBA
46 dBA
**
0 kW
83
s
r
e
et
5m
Microchannel technology
Protection guard
Smart construction
• Aluminium microchannel heat exchanger
with enhanced alloy system
• Aesthetic design and easily removable
grilles offering protection against
external impact
• Elevated coils allow unit to sit directly
on cement pad.
• Copper/aluminium connection with
electrolysis insulator
3
Kirby MXW EC Condenser
Performance Data
R404A
FANS
MXW223-2V
4
MXW335-3V
6
MXW446-4V
8
MXW558-5V
10
MXW669-6V
12
MXW781-7V
14
MXW893-8V
16
MXW1004-9V
18
MXW1116-10V
20
Q
P
Q
P
Q
P
Q
P
Q
P
Q
P
Q
P
Q
P
Q
P
Q
P
Max RPM
880 RPM
680 RPM
440 RPM
223.1
8.5
334.7
12.7
446.3
17.0
557.8
21.2
669.4
25.5
781.0
29.7
892.5
34.0
1004.1
38.2
1115.7
42.5
205.2
5.6
307.8
8.4
410.4
11.2
513.0
13.9
615.6
16.7
718.1
19.5
820.7
22.3
923.3
25.1
1025.9
27.9
168.8
2.5
253.2
3.7
337.6
5.0
422.0
6.2
506.4
7.5
590.7
8.7
675.1
9.9
759.5
11.2
843.9
12.4
114.2
0.8
171.2
1.2
228.3
1.7
285.4
2.1
342.5
2.5
399.6
2.9
456.6
3.3
513.7
3.7
570.8
4.2
Max RPM
880 RPM
680 RPM
440 RPM
207.5
8.5
311.3
12.7
415.0
17.0
518.8
21.2
622.5
25.5
726.3
29.7
830.1
34.0
933.8
38.2
1037.6
42.5
190.8
5.6
286.2
8.4
381.6
11.2
477.1
13.9
572.5
16.7
667.9
19.5
763.3
22.3
858.7
25.1
954.1
27.9
157.0
2.5
235.5
3.7
313.9
5.0
392.4
6.2
470.9
7.5
549.4
8.7
627.9
9.9
706.4
11.2
784.8
12.4
106.2
0.8
159.3
1.2
212.3
1.7
265.4
2.1
318.5
2.5
371.6
2.9
424.7
3.3
477.8
3.7
530.8
4.2
R407C
0.87
R134a
0.93
Capacity kW Heat Rejection @10 KTD
Power Input kW/hr
R134a
FANS
MXW223-2V
4
MXW335-3V
6
MXW446-4V
8
MXW558-5V
10
MXW669-6V
12
MXW781-7V
14
MXW893-8V
16
MXW1004-9V
18
MXW1116-10V
20
Q
P
Q
P
Q
P
Q
P
Q
P
Q
P
Q
P
Q
P
Q
P
Conversion Factors to other refrigerants
R404A
1
4
R410A
1.02
R22
0.96
R407F
0.95
Kirby MXW EC Condenser
Multi Circuits Configuration
R410A, R407F, R404A, R134a, R22
Example 160kW MT / 40kW LT
MT application
LT application
• 4 modules for MT
• 1 module for LT
• 8 fans
• 2 fans
Reduced Footprint
• The user may use one single condenser allowing an optimal footprint.
• Reduced Installation Cost:
(a) Reduced crane time
b) Reduced structural frame needs
(c) Potentially no sound wall
•Flexibility:
Each V module can be independently circuited and on different refrigerants
An innovative conception designed around 3 main axes…
1. Total cost of ownership
2. Environmental impact
3. Application
• Installation costs reduced:
Reduced operating refrigerant charge
up to 75%
• Reduction of direct and indirect
greenhouse gas emissions
• Footprint issues:
Use of one single condenser in multicircuits configuration. Autonomous
operation of several circuits allowing
proper regulation
• Installation time reduced:
One single crane lift required for
multi-circuits configuration
• Energy consumption reduced:
High power density. Reduced air
pressure drop optimising energy
consumption
• Reduction of noise pollution:
Hidden fans. Reduced sound pressure
level perceived by neighborhood
• Architectural integration:
Sleek design for a proper architectural
integration. Very low height (<2m)
• Easy handling:
Reduced unit weight up to -30%
• Maintenance costs reduced:
Easy access to the coil. Unitarily
replaceable coils
5
Kirby MXW EC Condenser
Dimensional Data
223-2V
335-3V
446-4V
558-5V
669-6V
781-7V
893-8V
1004-9V
1116-10V
Footprint Length
mm
1955
2985
4015
5045
6075
7105
8135
9165
10195
Overall Length
mm
2460
3490
4520
5550
6580
7610
8640
9670
10700
Overall Height
mm
Net Weight (unpacked)
kg
677
972
1267
1562
1857
2152
2447
2742
3120
Airflow (max speed)
l/s
25933
38900
51867
64834
77801
90768
103735
116702
129669
4
6
8
10
12
14
16
18
20
Total Amps (3Ph 400V)
15.2
22.8
30.4
38
45.6
53.2
60.8
68.4
76
Power Input (Max)
9600
14400
19200
24000
28800
33600
38400
43200
48000
In 1
2"1/8
2"5/8
2"5/8
2”5/8
2”5/8
2”5/8
2”5/8
2”5/8
2”5/8
In 2
-
-
-
2”1/8
2”5/8
2”5/8
2”5/8
2”5/8
2”5/8
In 3
-
-
-
-
-
-
-
1”3/8
2”1/8
Out 1
2"1/8
2”1/8
2"5/8
2”1/8
2”1/8
2”5/8
2”5/8
2”5/8
2”5/8
Out 2
-
-
-
2”1/8
2”1/8
2”1/8
2”5/8
2”5/8
2”5/8
Out 3
-
-
-
-
-
-
-
1”3/8
2”1/8
No. of Fans
Inlet Connection
Outlet Connection
2030*
*Including sound wall
Shown without sound wall
6
Kirby MXW EC Condenser
Performance Data
Capacity vs Power Input
Lowest life cost based on today's energy cost and capital cost to purchase the remote condenser.
Selections should be based on keeping the required speed in the range 330-700rpm
The same will apply to all refrigerants.
The graph can be used to calculate energy use at any speed and the number of fans required to achieve the Heat Rejection required
To calculate at a different KTD simply divide by 10 and multiply by the KTD required
To calculate at a different refrigerant, use the factors shown in this brochure.
Capacity vs Sound
7
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new zealand 0800 653 330
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Australia Head Office
New Zealand Head Office
Heatcraft Australia Pty Ltd, 286 Horsley Road,
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Heatcraft Australia Pty Limited. Heatcraft Australia continually strive to improve products and processes. We reserve the right to modify product features
without notice. Information is correct at time of printing.