Facoty with 260,000 Square Meters and 15 year's manufacturing and exporting experience of whole range's HVAC products
1. About Our Factory:
Shandong Tianqu Cooling Technology Co., Ltd, was originated from LARK Central Air Conditioning, which is founded in 2006 and one of the major manufacturer for central air conditioning products.
We are professional on R&D, production, project design and installation, after sales service. Totally covering 260,000 square meters, investing 360 million RMB, owning high qualified machines from Germany and Japan to ensure high level products.
We take care of every section of process and service for clients. Qualified products are produced according to ISO 9001:2000 and ISO14001:2004 ,
we flexibly provides wide range of HVAC products, like
Packaged rooftop Units,
High Pressure Duct type,
Condensing Units,
Mini Chillers,
Modular Chillers,
Air Cooled Screw Chillers,
Water Cooled Screw Chillers,
Water Source Heat Pump,
Water Cooled Packaged Units,
Fan Coils,
AHUs,
HRVs and etc.
Our market is based in China, and we have sold to Europe, America, Africa, Middle East, Australia, Asia and etc. Our products have been sold to over 90 countries.
Besides previously Lark brand, now we also have one new brand-Top Air.
Top Air, it is your top choice on HVAC products!
2. About our Air Cooled Screw WaterChiller:
Served Areas:
• Offices Buildings
• Industrial Places
• Light commercial buildings
Features:
Top Air offers a variety of air-cooled screw chillers for a wide range of capacities from 158KW to 1200KW comfort and process cooling applications with medium GWP HFCs R134A, R407C and R410A refrigerant options.
All our products with CE certificate and our company Strictly comply with ISO9001 quality management system. We adopt the worldwide famous brand accessories, such as DANFOS, COELAND, PANASONIC, BITZR, HANBELL, FUSHENG compressors, Schneidr electrical components, DANFOS/EMERSON refrigeration components.
Our air-cooled screw chillers can reduce your total cost of ownership because they are engineering for lower life cycle costs and reliability through design simplicity.
Our compressor technology is direct drive, low speed for high reliability and efficiency. Optimized compressor parts profiles are designed specifically for chilled water applications to optimize full and part-load efficiency. Our Smart Microprocessor provides greater reliability through a proactive control strategy, safety functions with simple diagnostics and easy interface with any building automation / energy management using a single twisted pair of wires.
Top Air air-cooled screw chillers are the top choice for tight temperature control in virtually any application.
Optional Functions:
♦ Electronic controller with BMS system
♦ Plate heat exchanger
♦ Sound insulation cabinet
♦ Channel steel basement
3. Detailed Specifications:
Performance values refer to the following conditions:
*Cooling capacity is measured under the condition: Ambient temperature DB 35ºC/WB 24ºC, user side water inlet/outlet temperature 12ºC/ 7ºC;
*Heating capacity is measured under the condition: Ambient temperature DB 7ºC/WB 6ºC, user side water inlet/outlet temperature 40ºC /45ºC.
| Product Type |
LFL(R)50M |
LFL(R)60M |
LFL(R)68M |
LFL(R)88M |
LFL(R)108M |
LFL(R)158M |
LFL(R)188M |
LFL(R)250M |
| Rated cooling capacity |
kW/Btu/h |
50 |
170650 |
65 |
221845 |
68 |
232084 |
88 |
300344 |
108 |
368604 |
158 |
539254 |
188 |
641644 |
250 |
853250 |
| Rated heating capacity |
kW/Btu/h |
56.0 |
191128 |
72.8 |
248466 |
76.2 |
260071 |
98.5 |
336181 |
121 |
412973 |
174.4 |
595227 |
211.6 |
722191 |
277.6 |
947449 |
| Compressor |
Input Power |
kW |
4×4.1 |
4x4.9 |
2×10.2 |
2×12.3 |
2×16.1 |
46.3 |
56.7 |
74.9 |
| Type |
|
Scroll |
Semi-hermetic Screw Compressor |
| Amount |
|
4 |
4 |
2 |
2 |
2 |
1 |
1 |
1 |
| Power Supply |
V/PH/Hz |
380/3/50 |
| Refrigerant |
Type |
|
R22/R407C |
| Quantity |
Kg |
4×4 |
4×4.5 |
2×9.7 |
2×12.6 |
2×15.9 |
43.5 |
53.5 |
70.2 |
| Control method |
|
Thermal Expansion Valve |
| Condenser |
Type |
|
Fin Heat Exchanger |
| Axial Fan |
Amount |
|
2 |
2 |
2 |
2 |
2 |
4 |
4 |
6 |
| Air flow |
m3/h |
24000 |
28000 |
29200 |
42000 |
48000 |
68000 |
96000 |
144000 |
| Motor power |
kW |
0.55 |
0.55 |
0.55 |
1.1 |
1.3 |
1.3 |
1.3 |
1.3 |
| Evaporator |
Water flow |
m3/h |
8.6 |
10.3 |
11.7 |
15.1 |
18.6 |
27.2 |
32.3 |
43 |
| Type |
|
Shell and Tube /Tube in tube Heat Exchanger |
| Pressure drop |
kPa |
43 |
43 |
43 |
42 |
41 |
41 |
41 |
42 |
| Noise |
dB(A) |
68 |
70 |
70 |
71 |
71 |
73 |
73 |
75 |
| Dimension (L×W×H) |
mm |
1980×1100×1900 |
1980×1100×1900 |
2110×1100×1900 |
2160×1280×2110 |
2160×1560×2110 |
2500×2160×2360 |
2500×2160×2360 |
3290×2160×2360 |
| Weight |
Kg |
635 |
760 |
800 |
1020 |
1290 |
1950 |
2150 |
2500 |
| Product Type |
LFL(R)320M |
LFL(R)380M |
LFL(R)430M |
LFL(R)500M |
LFL(R)570M |
LFL(R)640M |
LFL(R)700M |
LFL(R)760M |
| Rated cooling capacity |
kW/Btu/h |
320 |
1092160 |
376.2 |
1283971 |
433 |
1476123 |
496 |
1691483 |
563.2 |
1922202 |
631.2 |
2154286 |
691.8 |
2361113 |
752.4 |
2567941 |
| Rated heating capacity |
kW/Btu/h |
361.5 |
1233800 |
428.3 |
1461788 |
489 |
1669640 |
555 |
1894898 |
639.1 |
2181248 |
723 |
2467599 |
789.8 |
2695587 |
856.6 |
2923576 |
| Compressor |
Input Power |
kW |
98.2 |
115.7 |
56.7+74.9 |
2×74.9 |
74.9+98.2 |
2×98.2 |
98.2+115.7 |
2×115.7 |
| Type |
|
Semi-hermetic Screw Compressor |
| Amount |
|
1 |
1 |
2 |
2 |
2 |
2 |
2 |
2 |
| Power Supply |
V/PH/Hz |
380/3/50 |
| Refrigerant |
Type |
|
R22/R407C |
| Quantity |
Kg |
90.9 |
108.4 |
53.5+70.2 |
2×70.2 |
70.2+90.9 |
2×90.9 |
90.9+108.4 |
2×108.4 |
| Control method |
|
Thermal Expansion Valve |
| Condenser |
Type |
|
Fin Heat Exchanger |
| Axial Fan |
Amount |
|
6 |
8 |
10 |
12 |
12 |
12 |
14 |
16 |
| Air flow |
m3/h |
144000 |
192000 |
240000 |
288000 |
288000 |
288000 |
333600 |
384000 |
| Motor power |
kW |
1.3 |
1.3 |
1.3 |
1.3 |
1.3 |
1.3 |
1.3 |
1.3 |
| Evaporator |
Water flow |
m3/h |
55 |
64.7 |
74.4 |
85.2 |
96.9 |
108.6 |
119 |
129.4 |
| Type |
|
Shell and Tube /Tube in tube Heat Exchanger |
| Pressure drop |
kPa |
42 |
42 |
42 |
43 |
43 |
44 |
45 |
45 |
| Noise |
dB(A) |
75 |
78 |
80 |
81 |
81 |
81 |
82 |
83 |
| Dimension (L×W×H) |
mm |
3590×2160×2360 |
4680×2160×2360 |
5800×2160×2360 |
6590×2160×2360 |
6890×2160×2360 |
7190×2160×2360 |
8280×2160×2360 |
9370×2160×2360 |
| Weight |
Kg |
2900 |
3650 |
4450 |
4950 |
5450 |
5750 |
6650 |
7250 |
4. FAQ
Q1: Are you a manufacturer?
A1: Yes, we have more than 15 years in manufacturing and exporting HVAC products. Our factory located in Zaozhuang city, Shandong Province, China; Welcome to visit us at any time convenient for you.
Q2: Could you help us to choose the model for our project?
A2: Yes, we have experienced engineer to check the details and choose the correct model for you. Based on the following parameters:
Application industry;
Chiller type: air cooled or water cooled, scroll compressor or screw compressor
Cooling capacity;
If you don't know, you can offer the flow rate to your machine, temperature in and temperature out from your using part;
Ambient temperature;
Refrigerant type, R22, R407c, R410a or R134a;
Power Supply: Voltage/Phase/Frequency;
Pump flow and pressure requirements;
Any other special requirements.
Q3: How to ensure your product with good quality?
A3: All our products with CE certificate and our company Strictly comply with ISO9001 quality management system. We adopt the worldwide famous brand accessories, such as DANFOS, COPLAND, PANASONIC, BITZR, HANBELL, FUSHENG compressors, Schneidr electrical components, DANFOS/EMERSON refrigeration components. Each unit will be fully tested before leaving factory.
Q4: What's the warranty?
A4: 1 year warranty for the whole unit;
Q5: What's the payment mean?
A5: For new client, 30% TT before production as deposit, rest balance before shipment is standard payment mean. For long term's business, LC at sight also available;
5. More Detatils about Factory and Our Chiller
Audited Supplier 
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