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Water cooled Marine Rooftop AC Unit
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       Model
ParameterMWL30
MWL50
MWL80
MWL100
MWL120
MWL150
MWL170
MWL200
MWL250
MWL300
MWL360
MWL500
MWL600
MWL7200
Unit Performance
Cooling Capacity
(KW)50HZ
9
15
22
30
36
45
54
60
72
90
108
144
180
216
60HZ
10.5
18
28
36
43
54
64
72
86
114
129
172
215
258
Electrical heating capacity
(KW)KW
6
9
15
18
21
24
24
36
42
54
60
84
98
120
Air volume (m3/h)
50HZ
1600
2200
3300
4500
5000
6500
8000
9000
11000
12500
16000
21000
26000
32000
60HZ
1900
2600
3800
5400
6000
7500
9600
10800
13200
15000
19600
25200
31000
38500
Outside residual pressure
(pa)50HZ
80
100
180
230
250
300
380
400
450
500
550
600
600
600
60HZ
100
125
225
280
315
380
510
580
650
720
750
800
850
850
Refrigerating
PerformanceCompressor
Type
Hermetic scroll
Input power
 (KW)50HZ
2.25
3.75
6
7.5
9
11
13.5
15
18
22
27
36
45
54
60HZ
2.65
4.6
7.3
9.8
11
13.5
16.2
19.6
22
27
33
44
55
66
Condenser
Type
Nickel white brass and S316 Stainless steel tube plate shell and tube
Water Flow
(m3/h)2.3
3.5
5.5
6.8
8.8
11
13
14.6
17.1
20.5
216
28
40
42
Pressure Loss
(mH2O)2.3
2.5
2.8
2.8
2.8
2.9
2.9
2.9
2.9
3
3.8
5.4
6.2
6.3
Connection Tube Type
in/mmDN25
DN32
DN40
DN40
DN40
DN50
DN50
DN50
DN50
DN65
DN65
2×DN50
DN65+DN50
2×DN65
Evaporater
Type
Sleeve-tube
Fin Type
Bi-slotted  hydrophilic membrane aluminum fins
Refrigerant
Working Fluid
R22/R407c
Throttling Devices
Thermal expansion valve
Refrigerant charge
(Kg)2
3.5
3×2
3.5×2
3.7×2
7+3.5
7+3.7
7×2
7.5×2
7.5×2+3.5
7.5×3
7.5×4
7.5×5
7.5×6
Fan PerformanceÂ
Fan
Type
Low Noise Centrifugal type
Driven Method
Direct Drive
Belt Drive
Motor Power
KW
0.3
0.55
0.75
1.1
1.5
2.2
4
4
5.5
5.5
7.5
11
18.5
22
Noise
dB
(A)50
52
53
53
55
56
56
58
60
62
65
68
72
73
Dimension
L×W×H(mm)Dudt Type
750×550
×16001100×550
×16001250×600
×16001450×600
×16801450×800
×18001650×800
×18001900×800
×19802000×900
×19802200×950
×22002000×1100
×19002500×1400
×19003000×1600
×20503200×1600
×22003500×1700
×2200
Straight-blown surface mounted
750×550
×18501100×550
×18501250×600
×18501450×600
×19501450×800
×20501650×800
×20501900×800
×22002000×900
×1980\
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\
\
\
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Weight
Kg
200
220
250
330
380
500
556
620
660
720
800
1080
1260
1465
Technical Data
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Coolling capacity:23kw~320kw
Heating capacity:35kw~302kw
Air flow: 2200~25000m3/h
External static pressure: 450~1600Pa
Refrigerant: standard epuip R404A,R134A,R407C and some other refrigerant can be selected.
Power supply:380V/3PH/50hz
Single circuit evaporator can be selected;double circuits also can be used.
Washable/replacedable air filter
Freash air preheating unit, auxiliary electrical heater and cold air prevention device can be set according to requirements.
Control componts: adopt the control valves and pressure switches of domestic and overseas famous brands.
Control method: manual control or automic control, generally, juction box is equipped, main control is realized by electric control box in compress-condensing unitÂ
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Application
 It is widely used in all kinds of passenger ships, cargo ships, warships and offshore oil platfroms
Rita Wu
Moblie: 008618321864584
1) BRIEF INTRODUCTION AND FEATURES
Rooftop air-conditioning unit is DX air-cooled type, combined of the refrigeration system, control systems and
different air handling sections, achieving cooling, heating, dehumidification, humidification, air purification,
sterilization and other functions.Complete with a wide cooling capacity range, no need cooling water system, omit
the dedicated room and complex cooling towers, water pumps and the corresponding pipelines, control device. Unit
usually mounted on the roof or other outdoor location, don't need dedicated room, which greatly save the cost of
civil work. Besides, It's easy to install--- only to connect the duct then power on to run, which also save the cost of
maintenance.
2) Main Unit Descriptions
1) Efficient and Energy-saving.
Each outdoor unit incorporates high efficiency scroll compressors.
Coils use high efficient inner screw copper tube for better heat transfer.
Fresh air non energy dissipation cooling in transient season, can adjust air volume what the fresh air system
required.
OEM energy recovery device.
2) Durable( corrosion and rust protection).
Our packaged systems are built tough towithstand all weathers.
Their durable construction ensures a long life and excellent return on your investment.
The outdoor air coils' aluminum fins could be epoxy coated for extra protection in corrosive environments, e.g. salt
laden sea air.
Blue-fin type coils, epoxy resin fin coils as well as the copper fin coils are also available as an option.
Cabinets are constructed from high grade steel - polyester powder coated for all weather protection.
External fasteners are stainless steel or galvanized type.
Corrosion resistant drain trays are also included.
Designed to evacuate rain water and condensed water easily from the unit.
The opening for the connection side ducts are protected
so that water will not splash on the joint between the duct and unit panel.
3)Safety.
Complete with various protecting function.
Pass kinds of safety tests.
4) Easy service.
Quick release fasteners are provided on electrical and compressor panel.
The units are equipments with access door to all components that may require maintenance or service.
The liquid sight glasses are visible and easy to find.
Access to the control circuit and compressor section is independent of the cooling or heating operation of the unit.
5) Options.
Electric heater, hot-water heating, steam-heating unit.
Manul/electric fresh air damper, plug fan, dedicated exhaust fan air filter dirty alarm device.
Energy recovery device.
                      Sea water cooled package unit parameterÂ