Commerical Packaged Air Cooled Water Mini Chiller

Product Description

Commerical Packaged Air Cooled Water Mini Chiller 

Cooling 20-50kW

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	Unit	20	25	30	35	40	50
Cooling *
Cooling capacity	kW	21.5	24.8	30	35.6	41	50.6
Cooling input (without water pump)	kW	8.2	9.03	9.39	13.2	15.02	18.8
EER	/	2.62	2.75	3.19	2.7	2.73	2.69
Heating **
Heating capacity	kW	26.3	29	34	41.8	47.2	60
Heating input (without water pump)	kW	8.7	9.23	9.43	14.3	15.57	20.45
COP	/	3.02	3.14	3.61	2.92	3.03	2.93
Hermetic compressor
Type	/
Quantity/ circuit	/	2/2	2/2	2/2	2/2	2/2	2/2
Evaporator
Type	/
Water flow	m3/h	3.7	4.3	5.2	6.1	7.1	8.7
Water side pressure drop	kPa	38	39	42	50	52	52
Water connection size	mm	DN40	DN40	DN40	DN40	DN40	DN40
Circulating pump
Power input	kW	0.75	0.75	0.92	---------	---------	-----------
Axial fans
Quantity	Nr.	1	1	1	2	2	2
Airflow	m3/h	9000	9000	12580	17000	17000	22000
Overal dimension
Length	mm	1600	1600	1600	2000	2000	2000
Width	mm	900	900	900	900	900	900
Height	mm	1080	1080	1080	1080	1080	1080
Noise level ***	dB(A)	66	66	68	70	70	70
Net weight	kg	270	290	310	360	380	465

* 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).