Enerblue · High-efficiency chillers with natural refrigerant

Enerblue PURPLE

High-efficiency air-to-water chillers for industrial processes, with on/off compressors and natural refrigerant

Cooling capacity: 30.7 – 291 kW
Heating capacity: (up to 88 kW in DS version)
Efficiency: EER: 2.7 to 3.1
SEPR: 2.8 to 3.9
Energy: Electricity

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Technical data

Key data

Cooling capacity: 30.7 – 291 kW
Heating capacity: (up to 88 kW in DS version)
Rating conditions: A35;W7
Energy: Electricity
Output temperature: from +20 ºC to -8 ºC
Refrigerant: R290 (propane)
Efficiency: EER: 2.7 to 3.1
SEPR: 2.8 to 3.9
Energy class: ErP Ecodesign compliant

Main advantages

Specifically designed for industrial process cooling
Very robust semi-hermetic reciprocating compressors
Isolated compressor enclosure with ATEX extractor and R290 leak detector
Optional heat recovery unit
Available with an integrated hydronic kit

Models

Enerblue PURPLE models

Technical data from the manufacturer's data sheet.

PURPLE (12.1 to 50.1)

PURPLE (12.1 to 50.1)
Model	Unit	12.1	15.1	20.1	22.1	25.1	30.1	32.1	34.1	35.1	40.1	45.1	50.1
COOLING (EN 14511 VALUES) (A35; W12/7°C)
Nominal cooling capacity (1)	kW	30.7	35.9	40.6	42.3	49.8	56.3	60.6	66.7	71	86.6	91	99.9
Total power input in cooling (1)	kW	10.2	12.4	14.1	14.6	17.3	20.4	22.8	23.1	24.2	28.4	30.6	33.9
EER (1)		3	2.9	2.9	2.9	2.7	2.9	2.9	2.8	2.9	3	3	2.9
LOW-TEMPERATURE COOLING (EN 14511) (A35; W-2/-8°C) (30% glycol)
Nominal cooling capacity (-8°C) (2)	kW	19.2	22.4	25.6	26.5	31.3	35.6	38.1	41.1	44.3	54	56.6	62.2
Total power input (-8°C) (2)	kW	8.6	10.2	11.2	11.7	13.7	15.8	17.7	18.2	18.9	22.9	24.6	27.3
EER (-8°C) (2)		2.2	2.2	2.3	2.3	2.3	2.3	2.2	2.3	2.3	2.4	2.3	2.3
SEPR (low-temp. process) (2)		3.63	3.6	3.5	3.6	3.3	3.4	3.6	3.3	3.5	3.8	3.7	3.7
COMPRESSOR AND REFRIGERANT (R290)
Compressor type		Semi-hermetic reciprocating
No. of compressors / circuits	No. / No.	1 / 1
Capacity steps	No.	1
R290 charge per circuit	kg	1.5	1.5	1.7	1.7	1.9	2.9	3.5	3.5	3.5	4.4	4.4	4.5
AC AXIAL FANS AND USER-SIDE HEAT EXCHANGER
Fan type		AC axial
No. of fans	No.	1	1	1	1	1	1	1	1	1	2	2	2
Fan power input	kW	1.4	1.4	1.6	1.6	1.6	1.4	1.6	1.6	1.4	2.8	2.6	2.8
Total air flow	m³/h	15,050	14,993	16,500	16,709	17,125	17,159	17,232	20,379	20,354	38,082	34,880	37,908
User heat exchanger type		Single-circuit plate
User water flow (A35; W12/7) (1)	l/h	5,298	6,189	7,000	7,293	8,578	9,702	10,440	11,510	12,230	14,940	15,690	17,220
Water pressure drop (1)	kPa	38	50	42	45	45	47	45	45	45	53	48	46
DESUPERHEATER (20% DS PARTIAL RECOVERY - OPTIONAL)
DS heat exchanger type		Plate
DS nominal heat output (3)	kW	6.8	8.7	9.8	10.2	12.5	14.8	17.1	15.8	19.6	19.3	21.6	23.7
DS water flow (W40/45°C) (3)	l/h	1,171	1,496	1,687	1,753	2,150	2,546	2,936	2,721	3,371	3,318	3,720	4,078
DS water pressure drop (3)	kPa	3	4	5	5	10	11	13	11	7	8	9	11
HYDRAULIC MODULE, ACOUSTIC DATA (LN) AND DIMENSIONS
Available pump pressure	kPa	184.9	159.5	153.5	145	139.6	139.6	152.4	134.5	131.3	158.7	158.2	150.2
Pump power input	kW	1.3	1.3	1.3	1.3	1.4	1.4	1.4	1.4	1.4	1.7	1.7	1.7
Buffer tank capacity	l	130	130	130	130	130	130	130	250	250	250	250	250
User hydraulic connections	inches	1"1/2	1"1/2	1"1/2	1"1/2	1"1/2	1"1/2	2"	2"	2"	2"	2"	2"
Sound power level LN (4)	dB(A)	75	76	76	77	85	85	85	85	85	87	87	87
Sound pressure level at 1 m LN (5)	dB(A)	58	59	59	60	67	67	67	67	67	69	69	69
Length / width / height	mm	1940 / 850 / 2000	1940 / 850 / 2000	1940 / 850 / 2000	1940 / 850 / 2000	1874 / 850 / 2388	1874 / 1212 / 2388	1940 / 1212 / 2000	1874 / 1212 / 2388	1874 / 1212 / 2388	2888 / 1210 / 2388	2888 / 1210 / 2388	2888 / 1210 / 2388
Shipping weight	kg	617	623	632	684	702	772	764	775	828	1,038	1,045	1,059

Notes and reference conditions (Enerblue PURPLE technical catalogue - p. 7):
(1) Performance in accordance with EN 14511: outdoor air temp. 35 °C; evaporator water inlet/outlet temp. 12/7 °C.
(2) Performance in accordance with EN 14511-2018 and EU 2015/1095 for an average climate (Strasbourg); water application: -8 °C, 30 % ethylene glycol.
(3) Water inlet/outlet temp.: evaporator 12/7 °C; desuperheater 40/45 °C.
(4) Lw: free-field sound power values calculated in accordance with ISO 3744. Operating conditions (A35; W7 °C).
(5) Sound pressure values measured at 1 m in free field in accordance with ISO 3744. Operating conditions (A35; W7 °C).

PURPLE (55.1 to 80.2)

PURPLE (55.1 to 80.2)
Model	Unit	55.1	60.1	75.1	35.2	40.2	45.2	50.2	55.2	60.2	75.2	80.2
COOLING (EN 14511 VALUES) (A35; W12/7°C)
Nominal cooling capacity (1)	kW	109	122	131.4	145.8	173.7	182.9	200.1	218.8	241.8	262.9	291.3
Total power input in cooling (1)	kW	39.4	44.8	48.8	49.9	56.5	60.9	67.5	78.5	89.3	97.2	106.5
EER (1)		2.8	2.7	2.7	2.9	3.1	3	3	2.8	2.7	2.7	2.7
LOW-TEMPERATURE COOLING (EN 14511) (A35; W-2/-8°C) (30% glycol)
Nominal cooling capacity (-8°C) (2)	kW	67.1	73.8	78.5	92.3	108.8	114.1	125.3	135.3	147.1	157.8	177
Total power input (-8°C) (2)	kW	32.4	35.4	39.3	39.2	45.9	49.4	54.6	64.9	70.8	78.8	86.5
EER (-8°C) (2)		2.1	2.1	2	2.4	2.4	2.3	2.3	2.1	2.1	2	2
SEPR (low-temp. process) (2)		2.9	3	2.9	3.6	3.9	3.8	3.7	2.9	3	2.9	2.8
COMPRESSOR AND REFRIGERANT (R290)
Compressor type		Semi-hermetic reciprocating
No. of compressors / circuits	No. / No.	1 / 1	1 / 1	1 / 1	2 / 2	2 / 2	2 / 2	2 / 2	2 / 2	2 / 2	2 / 2	2 / 2
Capacity steps	No.	1	1	1	2	2	2	2	2	2	2	2
R290 charge per circuit	kg	5.2	5.2	7.6	9.4	9.4	10	10.4	10.4	10.6	11	11
AC AXIAL FANS AND USER-SIDE HEAT EXCHANGER
Fan type		AC axial
No. of fans	No.	2	2	2	2	4	4	4	4	4	4	4
Fan power input	kW	3	2.9	2.9	3	5.6	5.1	5.5	5.9	5.9	5.9	5.8
Total air flow	m³/h	40,440	40,293	40,158	40,039	76,148	69,715	75,815	80,874	80,574	80,358	79,854
User heat exchanger type		Single-circuit plate	Single-circuit plate	Single-circuit plate	Dual-circuit plate	Dual-circuit plate	Dual-circuit plate	Dual-circuit plate	Dual-circuit plate	Dual-circuit plate	Dual-circuit plate	Dual-circuit plate
User water flow (A35; W12/7) (1)	l/h	18,780	21,020	22,650	25,090	29,910	31,490	34,450	37,660	41,600	45,250	50,120
Water pressure drop (1)	kPa	47	46	45	24	33	32	33	34	35	35	45
DESUPERHEATER (20% DS PARTIAL RECOVERY - OPTIONAL)
DS heat exchanger type		Plate
DS nominal heat output (3)	kW	29.4	34.4	38.1	40.5	38.5	43.3	47.4	50.5	67.7	76.1	87.6
DS water flow (W40/45°C) (3)	l/h	5,064	5,917	6,553	6,959	6,622	7,448	8,153	8,684	11,645	13,096	15,059
DS water pressure drop (3)	kPa	11	14	15	12	7.4	9	10.6	11.6	14.5	14.7	14.7
HYDRAULIC MODULE, ACOUSTIC DATA (LN) AND DIMENSIONS
Available pump pressure	kPa	159	152.1	144.9	183.8	164	161.9	153.4	142.9	128.4	153.2	136.3
Pump power input	kW	2.5	2.5	2.5	3	3	3	3	3	3	4	4
Buffer tank capacity	l	250	250	250	250	450	450	450	450	450	450	450
User hydraulic connections	inches	2"1/2	2"1/2	2"1/2	2"1/2	2"1/2	2"1/2	2"1/2	2"1/2	3"	3"	3"
Sound power level LN (4)	dB(A)	87	89	89	89	91	91	91	91	93	93	93
Sound pressure level at 1 m LN (5)	dB(A)	69	71	71	71	71	71	71	71	73	73	73
Length / width / height	mm	2888 / 1210 / 2388	2888 / 1210 / 2388	2888 / 1210 / 2388	2877 / 1214 / 2388	5320 / 1214 / 2388	5320 / 1214 / 2388	5320 / 1214 / 2388	5320 / 1214 / 2388	5320 / 1214 / 2388	5320 / 1214 / 2388	5320 / 1214 / 2388
Shipping weight	kg	1,140	1,155	1,169	1,276	1,832	1,844	1,848	2,004	2,032	2,066	2,082

Notes and reference conditions (Enerblue PURPLE technical catalogue - p. 8):
(1) Performance in accordance with EN 14511: outdoor air temp. 35 °C; evaporator water inlet/outlet temp. 12/7 °C.
(2) Performance in accordance with EN 14511-2018 and EU 2015/1095 for an average climate (Strasbourg); water application: -8 °C, 30 % ethylene glycol.
(3) Water inlet/outlet temp.: evaporator 12/7 °C; desuperheater 40/45 °C.
(4) Lw: free-field sound power values calculated in accordance with ISO 3744. Operating conditions (A35; W7 °C).
(5) Sound pressure values measured at 1 m in free field in accordance with ISO 3744. Operating conditions (A35; W7 °C).

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