Forced Circulation Tanks

Available in various sizes, the Forced circulation tanks with one, two or without heat exchanger serve numerous applications. They are mostly encountered in cases of many collectors, where large quantities of hot water are required. Moreover, such systems in smaller capacities often replace solar water heaters mainly for technical or aesthetic reasons.

AVAILABLE MODELS

TYPE	Without heat exchanger	With 1 heat exchanger	With 2 heat exchangers
160lt	YES	YES	YES
200lt	YES	YES	YES
300lt	YES	YES	YES
400lt	YES	YES	YES
500lt	YES	YES	YES
800lt	YES	YES	YES
1000lt	YES	YES	YES
1500lt	YES	YES	YES
2000lt	YES	YES	YES

Overview
Technical features
Dimensions

Outer casing of PVC artificial leather & ABS caps of high resistance
Water storage tank of cold rolled steel with double inner enamel coating (GLASS) (160lt up to 2000lt)
Thermal insulation ensures minimum heat losses, maintaining the hot water temperature
Thermal insulation of expanded ecological polyurethane for the types with capacity up to 500lt
100mm thick soft polyurethane for the types with capacity ranging from 800lt to 2000lt
Available as buffer tanks (without heat exchanger)
A heating element can be used as an optional back-up source

NOBEL FC0 - Without heat exchanger

MODEL		200	300	400	500	800	1000	1500	2000
TOTAL CAPACITY (EN 12897)	lt	200	300	400	500	800	1000	1500	2000
NET WEIGHT	kg	45	66	117	125	175	211	338	388
INSULATION	mm	50	50	50	50	100	100	100	100
MAXIMUM WORKING TEMPERATURE	°C	95	95	95	95	95	95	95	95
MAXIMUM PRESSURE OF WATER TANK	MPa	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8

NOBEL FC1 - With 1 heat exchanger

MODEL		160	200	300	400	500	800	1000	1500	2000
TOTAL CAPACITY (EN 12897)	lt	160	200	300	400	500	800	988	1500	1950
NET WEIGHT	kg	54	65	92	137	145	221	233	382	454
INSULATION	mm	50	50	50	50	50	100	100	100	100
HEAT EXCHANGER SURFACE (S1 – LOWER HE)	m²	0.96	0.96	1.45	1.65	2.25	2.89	3.45	3.47	4.5
HEAT EXCHANGER CAPACITY (S1)	lt	5.8	5.8	8.8	10	13.7	26.2	31.3	31.4	41.6
EXCHANGED POWER OF HE S1 IN CONTINUOUS MODE
70-90°C	kW	39	39	52	61	86	148	175	175	250
60-80°C	kW	31	31	39	47	64	107	130	140	195
50-70°C	kW	17	17	29	33	41	70	85	100	130
50-60°C	kW	9	9	24	17	20	50	56	80	68
MAXIMUM FLOW RATE OF DHW (ΔT 35°C) (S1) IN CONTINUOUS MODE
70-90°C	lt/min	28	28	37	44	62	61	72	72	102
60-80°C	lt/min	22	22	28	34	46	44	53	57	80
50-70°C	lt/min	12	12	21	24	28	29	35	41	53
50-60°C	lt/min	13	13	34	25	27	20	23	33	2
QUANTITY OF HOT WATER MIX 45°C (S1)	lt	190	240	330	412	553	845	1081	1728	2145
HEAT LOSS (ΔT 45K)	kW/24h	1.6	1.7	2.1	2.8	3.1	5.1	5.3	6.5	8.3
MAXIMUM WORKING TEMPERATURE	°C	95	95	95	95	95	95	95	95	95
MAXIMUM WORKING TEMPERATURE COIL HE	°C	110	110	110	110	110	110	110	110	110
MAXIMUM PRESSURE OF WATER TANK	MPa	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
MAXIMUM PRESSURE OF COIL HEAT EXCHANGER	MPa	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6

NOBEL FC2 - With 2 heat exchangers

MODEL		200	300	400	500	800	1000	1500	2000
TOTAL CAPACITY (EN 12897)	lt	200	300	400	500	800	977	1500	1928
NET WEIGHT	kg	70	100	146	158	252	279	421	501
INSULATION	mm	50	50	50	50	100	100	100	100
HEAT EXCHANGER SURFACE (S1 – LOWER HE)	m²	0.75	1.21	1.65	2.25	2.89	3.45	3.47	4.5
HEAT EXCHANGER SURFACE (S2 – UPPER HE)	m²	0.54	0.85	0.76	1.04	1.54	1.31	2.3	2.7
HEAT EXCHANGER CAPACITY (S1)	lt	4.6	7.4	10	13.7	26.2	31.3	31.4	41.6
HEAT EXCHANGER CAPACITY (S2)	lt	3.3	5.2	4.6	6.4	9.4	7.9	20.5	25.2
EXCHANGED POWER OF HE S1 IN CONTINUOUS MODE
70-90°C	kW	29	45	61	86	148	175	175	250
60-80°C	kW	22	33	47	64	107	130	140	195
50-70°C	kW	14	25	33	41	70	85	100	130
50-60°C	kW	7	20	17	20	50	56	80	68
EXCHANGED POWER OF HE S2 IN CONTINUOUS MODE
70-90°C	kW	19	32	30	39	87	72	120	117
60-80°C	kW	13	24	21	27	57	50	95	83
50-70°C	kW	9	15	12	17	36	30	68	51
50-60°C	kW	5	9	4	6	20	17	51	24
MAXIMUM FLOW RATE OF DHW (ΔT 35°C) (S1) IN CONTINUOUS MODE
70-90°C	lt/min	21	33	44	62	61	72	72	102
60-80°C	lt/min	16	24	34	46	44	53	57	80
50-70°C	lt/min	10	18	24	28	29	35	51	53
50-60°C	lt/min	11	28	25	27	20	23	33	26
MAXIMUM FLOW RATE OF DHW (ΔT 35°C) (S2) IN CONTINUOUS MODE
70-90°C	lt/min	14	21	21	29	36	29	49	46
60-80°C	lt/min	9	17	15	19	23	20	39	34
50-70°C	lt/min	7	11	9	12	15	12	28	21
50-60°C	lt/min	8	13	6	10	8	7	21	10
QUANTITY OF HOT WATER MIX 45°C (S1)	lt	225	302	405	510	823	1055	1660	2080
QUANTITY OF HOT WATER MIX 45°C (S2)	lt	111	151	200	250	401	503	611	991
HEAT LOSS (ΔT 45K)	kW/24h	1.7	2.1	2.8	3.1	5.1	5.3	6.5	8.3
MAXIMUM WORKING TEMPERATURE	°C	95	95	95	95	95	95	95	95
MAXIMUM WORKING TEMPERATURE COIL HE	°C	110	110	110	110	110	110	110	110
MAXIMUM PRESSURE OF WATER TANK	MPa	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
MAXIMUM PRESSURE OF COIL HEAT EXCHANGER	MPa	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6

TYPE	HT	D Ext.
FC1 160	101	60
FC2 160	101	60
FC0 200	121	60
FC1 200	120	60
FC2 200	120	60
FC0 300	143	65
FC1 300	142	65
FC2 300	142	65
FC0 400	141	75
FC1 400	141	75
FC2 400	141	75
FC0 500	170	75
FC1 500	167	75
FC2 500	167	75
FC0 800	194	99
FC1 800	194	99
FC2 800	194	99
FC0 1000	200	105
FC1 1000	200	105
FC2 1000	200	105
FC0 1500	219	120
FC1 1500	219	120
FC2 1500	219	120
FC0 2000	240	130
FC1 2000	240	130
FC2 2000	240	130

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