Thermax · Absorption chillers

Thermax TAC G2

Gas-fired double-effect absorption chillers

Cooling capacity: 401 – 4,969 kW
Efficiency: COP: 1.3 to 1.5
Energy: Natural gas or LPG

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Technical data

Key data

Cooling capacity: 401 – 4,969 kW
Rating conditions: CHW 12/7 ºC
CW 32/37 ºC
Energy: Natural gas or LPG
Output temperature: Chilled water at 7 ºC
Refrigerant: Water (H₂O)
Efficiency: COP: 1.3 to 1.5

Main advantages

Chilled water produced from natural gas or LPG
High double-effect efficiency: COP of up to 1.6
Less dependence on the electricity grid
Production regulation and control

Models

Thermax TAC G2 models

Technical data from the manufacturer's data sheet.

TAC G2
Model	Unit	G2 C3	G2 C4	G2 D1	G2 D2	G2 D3	G2 D4	G2 E1	G2 E2	G2 E3	G2 E4	G2 E5	G2 E6	G2 F1	G2 F2	G2 F3	G2 G1	G2 G2	G2 G3	G2 G4	G2 G5	G2 G6
GENERAL DATA
Version / application		Direct-fired double-effect absorption chiller (natural gas / LPG / diesel)
Installation location		Indoor
Refrigerant / absorbent		Water (R718) / Lithium bromide (LiBr)
Nominal COP		1.5
Chilled water inlet / outlet temperature	°C	12.0 / 7.0
Cooling water inlet / outlet temperature	°C	32.0 / 37.1
Accepted fuels		Natural gas, LPG, propane, diesel, kerosene, biogas
Maximum allowable pressure, water circuits	bar(g)	8
CAPACITY AND HYDRAULIC CIRCUITS
Nominal cooling capacity	kW	400.9	502.9	640.1	759.6	942.5	1,065.6	1,269.6	1,410.3	1,614.2	1,772.5	1,937.8	2,159.3	2,307.1	2,391.5	2,665.8	3,017.5	3,383.2	3,734.9	4,051.4	4,575.4	4,969.3
Nominal cooling capacity (reference)	TR	114	143	182	216	268	303	361	401	459	504	551	614	656	680	758	858	962	1,062	1,152	1,301	1,413
Chilled water flow	m³/h	68.8	86.3	109.8	130.3	161.7	182.8	217.8	241.9	276.9	304	332.4	370.4	395.7	410.2	457.2	517.6	580.3	640.6	694.9	784.8	852
Chilled water connection diameter	DN	125	125	150	150	200	200	200	250	250	250	250	300	300	300	300	350	350	350	350	350	350
Cooling water flow	m³/h	114	143	182	216	268	303	361	401	459	504	551	614	656	680	758	858	962	1,062	1,152	1,301	1,413
Cooling water connection diameter	DN	150	150	200	200	250	250	250	300	300	300	300	350	350	350	350	400	400	400	400	450	450
FUEL AND FLUE GAS CIRCUIT
Natural gas consumption (NCV = 9,000 kcal/Nm³)	Nm³/h	26	32.5	41.2	49	60.4	68.5	81.4	90.6	103.8	114	124.5	138.7	147.7	154.5	171.9	194.4	217.2	239.6	260.5	293.2	319.1
Diesel / oil consumption (NCV = 10,200 kcal/kg)	kg/h	22.9	28.6	36.4	43.2	53.3	60.4	71.8	80	91.6	100.6	109.9	122.4	130.4	136.3	151.8	171.4	191.7	211.5	229.9	258.8	281.6
Flue gas chimney connection diameter	DN	150	150	200	200	250	250	250	300	300	300	300	350	350	350	350	400	400	450	450	450	450
ELECTRICAL DATA
Solution pump motor power	kW	2.2	2.2	2.2	2.2	3	3	3	3.7	3.7	3.7	3.7	5.5	5.5	5.5	6.6	6.6	6.6	7.5	7.5	9	9
Solution pump current	A	6	6	6	6	8	8	8	11	11	11	11	14	14	14	17	17	17	20	20	27	27
Refrigerant pump motor power	kW	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5
Refrigerant pump current	A	1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.4	5	5	5	5	5	5	5	5	5	5
Vacuum pump motor power	kW	0.75
Vacuum pump current	A	1.8
Maximum burner motor power	kW	0.8	0.8	1.5	1.5	1.5	1.5	4	4	4	4	5.5	5.5	5.5	7.5	7.5	11	11	11	11	15	15
Burner motor current	A	2	2	3.2	3.2	3.2	3.2	8.7	8.7	8.7	8.7	11.1	11.1	11.1	14.7	14.7	21	21	21	21	28	28
Total electrical consumption	kVA	9.1	9.1	11.4	11.4	17.5	17.5	19.6	19.6	21.3	21.3	26.1	26.1	28.7	28.7	30.8	35.4	35.4	39.4	39.4	44.4	44.4
Supply voltage	V / Hz	415V (±10%), 50Hz (±5%), 3 phases + N
DIMENSIONS, WEIGHTS AND MAINTENANCE
Length (L)	mm	2,930	2,930	4,410	4,410	4,410	4,410	5,010	5,140	5,140	5,140	5,140	5,140	6,220	6,220	6,220	7,670	7,670	7,870	7,870	8,150	8,150
Width (W)	mm	2,460	2,460	2,780	2,780	3,080	3,080	3,130	3,420	3,420	3,420	3,650	3,650	3,760	3,760	3,760	3,830	3,830	4,260	4,260	4,780	4,780
Height (H)	mm	2,880	2,880	2,850	2,850	3,010	3,010	3,010	3,350	3,350	3,350	3,590	3,590	3,660	3,660	3,660	3,780	3,780	4,010	4,010	4,260	4,260
Operating weight	kg	7,800	8,100	10,400	10,800	12,900	13,500	15,100	17,800	18,500	19,000	21,700	22,200	28,100	28,500	29,500	32,900	34,500	44,100	44,800	53,500	54,800
Max. shipping weight	kg	7,300	7,600	10,000	10,300	12,700	13,200	14,800	17,100	17,700	18,200	20,600	21,000	26,500	27,000	27,900	32,800	40,900	41,300	49,800	48,500	49,500
Tube removal clearance	mm	2,650	2,650	3,600	3,600	3,600	3,600	4,500	4,200	4,200	4,200	4,200	4,200	5,500	5,500	5,500	6,700	6,700	6,800	6,800	7,000	7,000