China Best Small Refrigeration Unit Condensing

Min.Order: 1
Product origin: Jinan, Shandong, China
Infringement complaint: complaintComplaint
US$ 1450 ~ 4600

Description
Top Discharge/Side Discharge Scroll Air Cooled Mini Chiller

Cooling Capacity 20-50kW

Our Product Range



Product Description

Characteristics

Structure
Panels and base frame are made from galvanized steel protected with polyester powder painting to ensure total resistance to atmospheric agents

compressor
Hermetic scroll type compressor, equipped with the crankcase heater and thermal protection with thermal overload cut-out and crankcase heater mounted on rubber vibration isolators

Axial fan
External rotor type axial fans, equipped with single phase direct drive motors, low noise 6 poles, protection level IP54, provided with a protective outlet grille

Evaporator
High efficiency and low pressure drop stainless steel (AISI 316) water exchangers, with anti-freeze heating element (option) and differential pressure switch, factory insulated with flexible close cell material

Condenser
Coils are consisting of seamless copper tubes mechanically expanded into blue hydrophilic aluminum fins,100% fully quality tested; sub cooling circuit to prevent freezing at the base (optional); protected with metal grill

Desuperheater
High efficiency stainless steel brazed plate heat exchanger, factory insulated with flexible close cell material(optional)
 
Refrigerant circuit
 
Copper tube connection with charge valve, filter, sight glass, gas-liquid separator, thermostatic expansion valve, low pressure switch with automatic reset, high pressure switch with manual reset . The heat pump unit is completed also with 4-way valve, liquid receiver and one way valve
 
Water circuit
 
Built with air vent valve, water drain connection, and female-threaded hydraulic connectors
 
Water pump (8kW-30kW), differential pressure switch
 
Expansion tank (8kW-30kW)
 
Electric panel
 
Consists of:
 
Compressor contactor
 
Compressor protection breaker
 
Fan motor protection breaker
 
Control circuit protection breaker
 
Phase sequence relay (only for 3-phase)
 
Programmable microprocessor controller
 
Optional
 
Additional electric heater embedded in the coils for defrosting in low temperature ambient. It must be factory installed
 
Stainless steel covering
 
Remote condenser
 
Tube in tube heat exchanger
Water circuit electric heater


Technical Data
Model  Unit202530354050
Cooling * 
Cooling capacitykW21.524.83035.64150.6
Cooling input (without water pump)kW8.29.039.3913.215.0218.8
EER/2.622.753.192.72.732.69
Heating ** 
Heating capacitykW26.3293441.847.260
Heating input (without water pump)kW8.79.239.4314.315.5720.45
COP/3.023.143.612.923.032.93
Hermetic compressor 
Type/ 
Quantity/ circuit/2/22/22/22/22/22/2
Evaporator 
Type/ 
Water flowm3/h3.74.35.26.17.18.7
Water side pressure dropkPa383942505252
Water connection sizemmDN40DN40DN40DN40DN40DN40
Circulating pump 
Power inputkW0.750.750.92-----------------------------
Axial fans 
QuantityNr.111222
Airflowm3/h9000900012580170001700022000
Overal dimension 
Lengthmm160016001600200020002000
Widthmm900900900900900900
Heightmm108010801080108010801080
Noise level ***dB(A)666668707070
Net weightkg270290310360380465

* Ambient temperature 35ºC; user side water in/out 12/7ºC.
** Ambient temperature 7ºC; user side water in/out 40/45ºC.
*** Sound pressure measured at a distance of 1 m and a height of 1.5 m above the ground in an ideal field (fan side).


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