HDB-VVX Units | Heatco

– Fully sheeted duct furnaces mounted in a 16-gauge galvanized steel frame.
– Provides listed temperature rise and air side pressure drop performance.
– Each furnace includes an individual shutoff valve, flexible gas connector & union piped to properly sized supply header.
– Condensate drains pre-piped to a common header.
– Easy removal of any single duct furnace.
– All controls prewired to a sequencer for system control.
– Customer only needs to provide Power, “Call for Heat” and a 0-10 VDC signal.

Application Guidelines Product Specification User Guidelines OEM Instructions Submittal / Order Information

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Model Number	PDF	PDF of Gas Train	PDF of Wiring Diagram	Max Input MBH	Max Output MBH	Min Input MBH	Min Output MBH	Nat. Gas Turndown Ratio	Max Ind. HX Input	# of HX's	Max CFM	Max APD @ Min Rise	Max Temp Rise	Min CFM	Min APD @ Max Rise	Dim A	Dim B	Dim C	Dim D	Dim E	Dim F	Total Amps 120V	Total Amps 208V 230V
HDB-VVX 180-360	PDF	PDF	PDF	360	288	36	28.8	10 to 1	180	2	13334	0.03	60	4444	0.01	35	36.41	78.81	17	46.62	48.82	8	5
HDB-VVX 200-400	PDF	PDF	PDF	400	320	40	32	10 to 1	200	2	14815	0.04	60	4938	0.01	35	36.41	78.81	17	46.62	48.82	8	5
HDB-VVX 225-450	PDF	PDF	PDF	450	360	45	36	10 to 1	225	2	16667	0.06	60	5556	0.01	35	36.41	78.81	17	46.62	48.82	8	5
HDB-VVX 250-500	PDF	PDF	PDF	500	400	50	40	10 to 1	250	2	18519	0.08	60	6173	0.01	35	36.41	78.81	17	46.62	48.82	8	5
HDB-VVX 270-540	PDF	PDF	PDF	540	432	54	43.2	10 to 1	270	2	20000	0.11	60	6667	0.01	35	36.41	78.81	17	46.62	48.82	8	5
HDB-VVX 180-540	PDF	PDF	PDF	540	432	54	43.2	15 to 1	180	3	20000	0.03	60	6667	0.01	35	53.78	78.81	17	63.99	48.82	12	7.5
HDB-VVX 300-600	PDF	PDF	PDF	600	480	60	48	10 to 1	300	2	22222	0.13	60	7407	0.02	35	36.41	78.81	17	46.62	48.82	8	5
HDB-VVX 200-600	PDF	PDF	PDF	600	480	60	48	15 to 1	200	3	22222	0.04	60	7407	0.01	35	53.78	78.81	17	63.99	48.82	12	7.5
HDB-VVX 315-630	PDF	PDF	PDF	630	504	63	50.4	10 to 1	315	2	23333	0.17	60	7778	0.02	35	36.41	78.81	17	46.62	48.82	8	5
HDB-VVX 225-675	PDF	PDF	PDF	675	540	67.5	54	15 to 1	225	3	25000	0.06	60	8333	0.01	35	53.78	78.81	17	63.99	48.82	12	7.5
HDB-VVX 350-700	PDF	PDF	PDF	700	560	70	56	10 to 1	350	2	25926	0.2	60	8642	0.03	35	36.41	78.81	17	46.62	48.82	8	5
HDB-VVX 360-720	PDF	PDF	PDF	720	576	72	57.6	10 to 1	360	2	26666	0.24	60	8888	0.03	35	36.41	78.81	17	46.62	48.82	8	5
HDB-VVX 180-720	PDF	PDF	PDF	720	576	72	57.6	20 to 1	180	4	26667	0.03	60	8889	0.01	35	71.15	78.81	17	81.36	48.82	16	10
HDB-VVX 375-750	PDF	PDF	PDF	750	600	75	60	10 to 1	375	2	27778	0.26	60	9259	0.04	35	36.41	78.81	17	46.62	48.82	8	5
HDB-VVX 250-750	PDF	PDF	PDF	750	600	75	60	15 to 1	250	3	27778	0.08	60	9259	0.01	35	53.78	78.81	17	63.99	48.82	12	7.5
HDB-VVX 200-800	PDF	PDF	PDF	800	640	80	64	20 to 1	200	4	29630	0.04	60	9877	0.01	35	71.15	78.81	17	81.36	48.82	16	10
HDB-VVX 400-800	PDF	PDF	PDF	800	640	80	64	10 to 1	400	2	29630	0.3	60	9877	0.04	35	36.41	78.81	17	46.62	48.82	8	5
HDB-VVX 270-810	PDF	PDF	PDF	810	648	81	64.8	15 to 1	270	3	30000	0.11	60	10000.5	0.01	35	53.78	78.81	17	63.99	48.82	12	7.5
HDB-VVX 300-900	PDF	PDF	PDF	900	720	90	72	15 to 1	300	3	33333	0.13	60	11111	0.02	35	53.78	78.81	17	63.99	48.82	12	7.5
HDB-VVX 180-900	PDF	PDF	PDF	900	720	90	72	25 to 1	180	5	33333	0.03	60	11111	0.01	35	88.52	78.81	17	98.73	48.82	20
HDB-VVX 225-900	PDF	PDF	PDF	900	720	90	72	20 to 1	225	4	33333	0.06	60	11111	0.01	35	71.15	78.81	17	81.36	48.82	16	10
HDB-VVX 315-945	PDF	PDF	PDF	945	756	94.5	75.6	15 to 1	315	3	35000	0.17	60	11667	0.02	35	53.78	78.81	17	63.99	48.82	12	7.5
HDB-VVX 200-1000	PDF	PDF	PDF	1000	800	100	80	25 to 1	200	5	37037	0.04	60	12346	0.01	35	88.52	78.81	17	98.73	48.82	20
HDB-VVX 250-1000	PDF	PDF	PDF	1000	800	100	80	20 to 1	250	4	37037	0.08	60	12346	0.01	35	71.15	78.81	17	81.36	48.82	16	10
HDB-VVX 500-1000	PDF	PDF	PDF	1000	800	100	80	10 to 1	500	1	37037	0.56	60	12346	0.07	41.5	45.67	79.05	20.15	55.78	48.82	10
HDB-VVX 350-1050	PDF	PDF	PDF	1050	840	105	84	15 to 1	350	3	38889	0.2	60	12963	0.03	35	53.78	78.81	17	63.99	48.82	12	7.5
HDB-VVX 360-1080	PDF	PDF	PDF	1080	864	108	86.4	15 to 1	360	3	40000	0.24	60	13333	0.03	35	53.78	78.81	17	63.99	48.82	12	7.5
HDB-VVX 270-1080	PDF	PDF	PDF	1080	864	108	86.4	20 to 1	270	4	40000	0.11	60	13334	0.01	35	71.15	78.81	17	81.36	48.82	16	10
HDB-VVX 225-1125	PDF	PDF	PDF	1125	900	112.5	90	25 to 1	225	5	41667	0.06	60	13889	0.01	35	88.52	78.81	17	98.73	48.82	20
HDB-VVX 375-1125	PDF	PDF	PDF	1125	900	112.5	90	15 to 1	375	3	41667	0.26	60	13889	0.04	35	53.78	78.81	17	63.99	48.82	12	7.5
HDB-VVX 400-1200	PDF	PDF	PDF	1200	960	120	96	15 to 1	400	3	44444	0.3	60	14815	0.04	35	53.78	78.81	17	63.99	48.82	12	7.5
HDB-VVX 600-1200	PDF	PDF	PDF	1200	960	120	96	10 to 1	600	2	44444	0.94	60	14815	0.12	41.5	45.67	79.05	20.15	55.78	48.82	10
HDB-VVX 300-1200	PDF	PDF	PDF	1200	960	120	96	20 to 1	300	4	44444	0.13	60	14815	0.02	35	71.15	78.81	17	81.36	48.82	16	10
HDB-VVX 250-1250	PDF	PDF	PDF	1250	1000	125	100	25 to 1	250	5	46296	0.08	60	15432	0.01	35	88.52	78.81	17	98.73	48.82	20
HDB-VVX 315-1260	PDF	PDF	PDF	1260	1008	126	100.8	20 to 1	315	4	46667	0.17	60	15556	0.02	35	71.15	78.81	17	81.36	48.82	16	10
HDB-VVX 270-1350	PDF	PDF	PDF	1350	1080	135	108	25 to 1	270	5	50000	0.11	60	13334	0.01	35	88.52	78.81	17	98.73	48.82	20
HDB-VVX 350-1400	PDF	PDF	PDF	1400	1120	140	112	20 to 1	350	4	51852	0.2	60	17284	0.03	35	71.15	78.81	17	81.36	48.82	16	10
HDB-VVX 360-1440	PDF	PDF	PDF	1440	1152	144	115.2	20 to 1	360	4	53332	0.24	60	17776	0.03	35	71.15	78.81	17	81.36	48.82	16	10
HDB-VVX 500-1500	PDF	PDF	PDF	1500	1200	150	120	15 to 1	500	3	55556	0.56	60	18519	0.07	41.5	67.67	79.05	20.15	77.78	48.82	15	7.5
HDB-VVX 375-1500	PDF	PDF	PDF	1500	1200	150	120	20 to 1	375	4	55556	0.26	60	18519	0.04	35	71.15	78.81	17	81.36	48.82	16	10
HDB-VVX 300-1500	PDF	PDF	PDF	1500	1200	150	120	25 to 1	300	5	55556	0.13	60	18519	0.02	35	88.52	78.81	17	98.73	48.82	20
HDB-VVX 315-1575	PDF	PDF	PDF	1575	1260	157.5	126	25 to 1	315	5	58333	0.17	60	19444	0.02	35	88.52	78.81	17	98.73	48.82	20
HDB-VVX 400-1600	PDF	PDF	PDF	1600	1280	160	128	20 to 1	400	4	59259	0.3	60	19753	0.04	35	71.15	78.81	17	81.36	48.82	16	10
HDB-VVX 350-1750	PDF	PDF	PDF	1750	1400	175	140	25 to 1	350	5	64815	0.2	60	21605	0.03	35	88.52	78.81	17	98.73	48.82	20	12.5
HDB-VVX 360-1800	PDF	PDF	PDF	1800	1440	180	144	25 to 1	360	5	66665	0.24	60	22220	0.03	35	88.52	78.81	17	98.73	48.82	20
HDB-VVX 600-1800	PDF	PDF	PDF	1800	1440	180	144	15 to 1	600	3	66667	0.94	60	22222	0.12	41.5	67.67	79.05	20.15	77.78	48.82	15	7.5
HDB-VVX 375-1875	PDF	PDF	PDF	1875	1500	187.5	150	25 to 1	375	5	69444	0.26	60	23148	0.04	35	88.52	78.81	17	98.73	48.82	20	12.5
HDB-VVX 500-2000	PDF	PDF	PDF	2000	1600	200	160	20 to 1	500	4	74074	0.56	60	24691	0.07	41.5	89.67	79.05	20.15	99.78	48.82	20
HDB-VVX 400-2000	PDF	PDF	PDF	2000	1600	200	160	25 to 1	400	5	74074	0.3	60	24691	0.04	35	88.52	78.81	17	98.73	48.82	20	12.5
HDB-VVX 600-2400	PDF	PDF	PDF	2400	1920	240	192	20 to 1	600	4	88889	0.94	60	29630	0.12	41.5	89.67	79.05	20.15	99.78	48.82	20
HDB-VVX 500-2500	PDF	PDF	PDF	2500	2000	250	200	25 to 1	500	5	92593	0.56	60	30864	0.07	41.5	111.67	79.05	20.15	121.78	48.82	25
HDB-VVX 600-3000	PDF	PDF	PDF	3000	2400	300	240	25 to 1	600	5	111111	0.94	60	37037	0.12	41.5	111.67	79.05	20.15	121.78	48.82	25

Note: For Propane gas, turndown is 60% of stated natural gas turndown.