Enerblue · High-efficiency chillers with natural refrigerant

Enerblue PURPLE FC

Air-to-water chillers with free cooling, on/off compressors and natural refrigerant

Cooling capacity: 54 – 146 kW
Heating capacity: (up to 34 kW in DS version)
Efficiency: EER: 2.7 to 2.8
Energy: Electricity

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Technical data

Key data

Cooling capacity: 54 – 146 kW
Heating capacity: (up to 34 kW in DS version)
Rating conditions: A35;W7
Energy: Electricity
Output temperature: from +20 ºC to +7 ºC
Refrigerant: R290 (propane)
Efficiency: EER: 2.7 to 2.8
Energy class: ErP Ecodesign compliant

Main advantages

Integrated direct free-cooling system with coil and valve as standard
Drastic reduction in electricity consumption in winter and mid-season by cooling without running the compressors
Highly robust semi-hermetic reciprocating compressors with 2- or 4-step control
Isolated compressor module as standard, with ATEX safety system and R290 leak detector
Optional heat recovery unit

Models

Enerblue PURPLE FC models

Technical data from the manufacturer's data sheet.

PURPLE FC
Model	Unit	30.1	32.1	34.1	35.1	40.1	45.1	50.1	55.1	60.1	75.1	35.2
CHILLER MODE COOLING (EN 14511) (A35; W12/7°C - 30% glycol)
Nominal cooling capacity (1)	kW	54.6	59.2	65.6	73.2	81.2	89.1	98.6	104.3	117.3	129.2	146
Total power input (1)(2)	kW	19.4	21	23.1	25.8	30.3	32.6	35.7	38.1	42.4	46.4	51.4
Water flow (1)	m³/h	10.4	11.3	12.5	14	15.5	17	18.8	19.9	22.4	24.6	27.8
EER (1)		2.8	2.8	2.8	2.8	2.7	2.7	2.8	2.7	2.8	2.8	2.8
DIRECT FREE-COOLING MODE (outdoor air 5°C; inlet water 12°C)
Free-cooling capacity (5)	kW	25.5	26.7	29.1	30.6	41.5	44.6	46.4	49	53.6	57.1	60.8
Water outlet temperature (5)	°C	9.6	9.7	9.7	9.9	9.4	9.5	9.6	9.6	9.7	9.8	9.9
Total Free-Cooling Temperature (TFT)	°C	-0.5	-1.2	-1	-2.3	1.8	1.1	1.1	0.6	-0.3	-1.2	-2.6
COMPRESSOR AND REFRIGERANT (R290)
Compressor type		Semi-hermetic
No. of compressors	No.	1	1	1	1	1	1	1	1	1	1	2
Refrigerant circuits	No.	1	1	1	1	1	1	1	1	1	1	2
Capacity stages	No.	2	2	2	2	2	2	2	2	2	2	4
CONDENSER FANS AND USER-SIDE HEAT EXCHANGER
Fan type		Axial
No. of fans	No.	1	1	1	1	2	2	2	2	2	2	2
Fan power input	kW	1.6	1.6	1.6	1.6	3.2	3.2	3.2	3.2	3.2	3.2	3.2
Fan current	A	3.4	3.4	3.4	3.4	6.8	6.8	6.8	6.8	6.8	6.8	6.8
Total air flow	m³/h	21,000	21,000	21,000	21,000	42,000	42,000	42,000	42,000	42,000	42,000	42,000
User heat exchanger type		Plate
Water pressure drop (1)	kPa	73	71	68	73	73	72	67	70	67	67	38
DESUPERHEATER (DS PARTIAL RECOVERY - OPTIONAL)
DS nominal heat output (4)	kW	11.3	12.4	15	19.2	19.4	21.6	24.5	25	28.7	32.5	34.1
DS water flow	m³/h	1.9	2.1	2.6	3.3	3.3	3.7	4.2	4.3	4.9	5.6	5.9
DS pressure drop	kPa	7	8	8	12	8	9	11	9	11	11	10
HYDRAULIC MODULE, ACOUSTIC DATA (LN) AND DIMENSIONS
Available external pressure	kPa	66	62	101	74	76	77	87	87	89	81	90
Buffer tank capacity	l	250
Hydraulic connections	inches	2"	2"	2"	2"	2"	2"	2"	2"1/2	2"1/2	2"1/2	2"1/2
Sound power level LN (3)	dB(A)	82	82	82	82	84	84	84	84	86	86	86
Sound pressure level at 10 m LN (3)	dB(A)	54	54	54	54	56	56	56	56	58	58	58
Length / width / height	mm	2890 / 1208 / 2390	2890 / 1208 / 2390	2890 / 1208 / 2390	2890 / 1208 / 2390	5330 / 1208 / 2390	5330 / 1208 / 2390	5330 / 1208 / 2390	5330 / 1208 / 2390	5330 / 1208 / 2390	5330 / 1208 / 2390	5330 / 1208 / 2390

Notes and reference conditions (Enerblue PURPLE FC technical catalogue):
(1) Outdoor air temperature 35 °C; evaporator water inlet/outlet temperature 12/7 °C with 30 % glycol, in accordance with EN 14511.
(2) Total power is the sum of the power input of compressors and fans, in accordance with EN 14511.
(3) Lw: free-field sound power levels in accordance with ISO 3744. Lp measured at 10 m in free field.
(4) Evaporator water temperature 12/7 °C; desuperheater 40/45 °C.
(5) Outdoor air temperature 5 °C; evaporator water inlet temperature 12 °C, 30 % glycol, nominal flow rate.

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