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Commercial Rooftop AC Unit 10Ton Energy Saving HVAC System with CE/FCC Certification

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Roof air conditioning unit is a "one-stop" solution designed to solve the temperature control problem of medium and large buildings. Through centralized roof installation, the project deployment is simplified, stable and efficient air conditioning service is provided for users, and energy cost saving and comfortable environment management are realized.
  • VOLKS

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Structure and working principle

Structure and working principle

  • Integrated design: the functions of refrigeration, heating and air supply are integrated into a single device, and air is evenly supplied to the room through the air duct.

  • Intelligent collaborative operation:Refrigeration cycle: outdoor high-temperature air → condenser heat dissipation → refrigerant enters evaporator to absorb indoor heat after cooling.

  • Heating cycle: the four-way valve switches the flow direction, the condenser turns to heat release, and the evaporator absorbs outdoor heat (heat pump models only).

  • Fresh air mixing: All-heat exchanger can be selected to introduce fresh air and reduce energy loss.

Product advantages and application scenarios

Product advantage

  • Peace of mind and electricity saving: first-class energy efficiency certification, saving 30% electricity bill compared with traditional split air conditioners.

  • Ready-to-use: the pipeline is pre-assembled in the factory, and the site only needs to be connected with electricity and air pipes, which shortens the construction period by 50%.

  • Quiet and comfortable: Night mode can reduce the noise to below 50dB, suitable for 24-hour business premises.

  • Long-term durability: the core components are guaranteed for 5 years and the design life is 15 years.

  • Environmental protection: compatible with R410A/R32 environmental protection refrigerant, reducing carbon footprint.

Application scenario

  • Retail industry: large supermarkets and brand flagship stores (stable temperature and humidity protection products).

  • Manufacturing: electronic workshop, food processing factory (need accurate temperature control, moisture and dust prevention).

  • Service industry: data center, hospital (round-the-clock operation demand).

Technical parameters

MODEL WRF28ZA WRF30ZA WRF32ZA WRF36ZA WRF42ZA WRF48ZA WRF55ZA WRF64ZA
Cooling Capacity kW 28.8 29.9 32.4 35.6 41.6 47.2 53.2 63.3
Heating Capacity kW 31.1 32.3 34.6 38 44.6 50.2 56.4 67
Control Range % 0、50、
100
54、100
0、46、
0、50、
100
0、50、
100
63、100
0、37、
68、100
0、32、
60、100
0、40、
0、50、
100
Power Supply 380V / 3Ph / 50Hz
Cooling Power Input kW 11.03 11.6 12.4 13.14 14.8 16.97 19 22.21
Heating Power Input kW 10.4 10.8 11.57 12.03 13.76 15.79 17.4 19.88
Start Current A 62.5 62.9 59.9 75.3 87.9 103.9 108 111.4
Cooling Current A 17 18.5 19.6 23.1 27.9 30.9 33.7 39
Heating Current A 15.6 17.2 17.8 21.6 26.1 28.7 31.3 36.5
Throttling Method Thermal Expansion Valve
System Qty 1 2
Refrigerant R410A
Condenser
Fan Motor Axial fan power supply 380V / 3Ph / 50HAZ
Qty 1 1 1 2 2 2 2 2
Speed r/min 920 710 940 720 920 920 920 720
Driver Type Direct drive
Power Input kW 0.55 0.55 0.55 2x0.37 2x0.45 2x0.55 2x0.55 2x0.75
Air Flow m /h3 12300 12300 12300 14200 18800 18800 21400 28400
Evaporator
Fan Motor Centrifugal fan power supply 380V / 3Ph / 50HAZ
Qty 1 1 1 1 1 1 1 1
(High/medium/low) fan speed r/min 1320 1400 1120 940 940 1000 750 750
Power Input kW 1.1 1.5 1.5 2.2 2.2 3 3 4
Air Flow m /h3 4700 5400 6300 6800 7900 9500 10000 12500
Driver Type Drive pulley
ESP(Pa) 235 305 290 270 250 250 250 250
Filter Nylon filter
Noise dB(A) 70 72 72 72 72 75 73 73
refrigerant charge(kg) 7 8.2 9 2x5.3 8+4.2 9+4.2 10.5+4.2 2x9
Dimension Length mm 1940 2240 2240 2540 2540 2540 2490 2490
Width mm 1390 1390 1390 1860 1860 1860 2050 2210
Height mm 1045 1045 1045 1045 1195 1195 1390 1490
Weight kg 460 500 520 650 755 770 810 890
Note:
Cooling Capacity Running Conditioning: Indoor temperature 27/19, Outdoor temperature 35/24
Heating Capacity Running Conditioning: Indoor temperature 20/15, Outdoor temperature 7/6


FAQ

Q: Is it safe to install in typhoon area?

A: The unit has passed the wind pressure test (it can resist the typhoon of class 12), and it is fixed with anchor bolts as standard, with high safety.


Q: Is it compatible with the existing central air conditioning system?

A: It supports Modbus communication protocol, and can be connected to the building automation system (BAS) for unified management.


Q: How long does the filter need to be replaced?

A: The primary filter screen should be cleaned every 3 months, and the high-efficiency filter screen (such as HEPA) is recommended to be replaced every year, depending on the use environment.

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 Email: james@sdvolksgroup.com
 Tel: +86-13310606210
 WhatsApp: +8613310606210
Address: East Tianqu Road, Zhongao Street, Economic and Technological Development Zone, Dezhou city, Shandong province, China. 253000
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