HDB-HHP Outdoor Units

Standard Rack Assembly

– 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.

Weatherproof Vestibule Enclosure

– Complete indoor or outdoor rated Vestibule cabinet.
– Large, hinged galvanized steel door for easy access to components and controls.
– Fresh air intakes assure adequate combustion air supply.
– All heaters pre-wired to marked terminal strip for electrical supply.
– Insulated vent connectors to prevent heat build-up in cabinet.

Outdoor Venting Kit

– Vent riser assembly with integral rain cap.
– Provides proper venting of flue gases and prevents flue gas recirculation into burner combustion air supply.

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

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Model Number	PDF	Alt 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	Weight (Lbs.)	Total Amps 120V	Total Amps 208V 230V
HDB-HHP 225-450-O	PDF	PDF		PDF	PDF	450	360	45	36	10 to 1	225	2	16667	0.06	60	5556	0.01	36.4	53.89	79	17	763	8	5
HDB-HHP 250-500-O	PDF	PDF		PDF	PDF	500	400	50	40	10 to 1	250	2	18519	0.08	60	6173	0.01	36.4	53.89	79	17	720	8	5
HDB-HHP 270-540-O	PDF	PDF		PDF	PDF	540	432	54	43	10 to 1	270	2	20000	0.11	60	6667	0.01	36.4	53.89	79	17	809	8	5
HDB-HHP 300-600-O	PDF	PDF		PDF	PDF	600	480	60	48	10 to 1	300	2	22222	0.13	60	7407	0.02	36.4	53.89	79	17	809	8	5
HDB-HHP 315-630-O	PDF	PDF		PDF	PDF	630	504	63	50	10 to 1	315	2	23333	0.17	60	7778	0.02	36.4	53.89	79	17	855	8	5
HDB-HHP 225-675-O	PDF	PDF		PDF	PDF	675	540	45	36	15 to 1	225	3	25000	0.06	60	8333	0.01	53.8	53.89	79	17	931	12	7.5
HDB-HHP 350-700-O	PDF	PDF		PDF	PDF	700	560	70	56	10 to 1	350	2	25926	0.2	60	8642	0.03	36.4	53.89	79	17	855	8	5
HDB-HHP 700-700-O	PDF	N/a	N/a	PDF	PDF	700	560	70	56	10 to 1	700	1	25926	0.31	100	5185	0.02	30.77	84.11	78.78	22.08	1072	8
HDB-HHP 360-720-O						720	576	72	57.6	10 to 1	360	2	26666	0.24	60	8888	0.03					872	8	5
HDB-HHP 375-750-O	PDF	PDF		PDF	PDF	750	600	75	60	10 to 1	375	2	27778	0.26	60	9259	0.04	36.4	53.89	79	17	901	8	5
HDB-HHP 400-800-O	PDF	PDF		PDF	PDF	800	640	80	64	10 to 1	400	2	29630	0.3	60	9877	0.04	36.4	53.89	79	17	901	8	5
HDB-HHP 800-800-O	PDF	N/a	N/a	PDF	PDF	800	640	80	64	10 to 1	800	1	29630	0.39	90	6584	0.02	30.77	84.11	78.78	22.08	1072	8
HDB-HHP 270-810-O						810	648	81	64.8	15 to 1	270	3	30000	0.11	60	10000.5	0.01					1213.5	12	7.5
HDB-HHP 900-900-O	PDF	N/a	N/a	PDF	PDF	900	720	90	72	10 to 1	900	1	33333	0.48	80	8333	0.04	30.77	84.11	78.78	22.08	1111	10
HDB-HHP 300-900-O	PDF	PDF		PDF	PDF	900	720	60	48	15 to 1	300	3	33333	0.13	60	11111	0.02	53.8	53.89	79	17	1169	12	7.5
HDB-HHP 315-945-O	PDF	PDF		PDF	PDF	945	756	63	50	15 to 1	315	3	35000	0.17	60	11667	0.02	53.8	53.89	79	17	1238	12	7.5
HDB-HHP 250-1000-O	PDF	PDF		PDF	PDF	1000	800	50	40	20 to 1	250	4	37037	0.08	60	12346	0.01	71.2	53.89	79	17	1435	16	10
HDB-HHP 1000-1000-O	PDF	N/a	N/a	PDF	PDF	1000	800	100	80	10 to 1	1000	1	37037	0.71	90	8230	0.04	30.7	84.11	79	22	1136	10
HDB-HHP 500-1000-O	PDF	PDF		PDF	PDF	1000	800	100	80	10 to 1	500	1	37037	0.56	60	12346	0.27	45.77	60.37	78.89	20.15	979	10
HDB-HHP 350-1050-O	PDF	PDF		PDF	PDF	1050	840	70	56	15 to 1	350	3	38889	0.2	60	12963	0.03	53.8	53.89	79	17	1238	12	7.5
HDB-HHP 360-1080-O	PDF	PDF		PDF	PDF	1080	864	108	86.4	15 to 1	360	3	40000	0.24	60	13333	0.03	53.8	53.89	79	17	1307	12	7.5
HDB-HHP 270-1080-O						1080	864	108	86.4	20 to 1	270	4	40000	0.11	60	13334	0.01					1618	16	10
HDB-HHP 1100-1100-O	PDF	N/a	N/a	PDF	PDF	1100	880	110	88	10 to 1	1100	1	40741	0.84	85	9586	0.06	30.77	84.11	78.78	22.08	1136	10
HDB-HHP 375-1125-O	PDF	PDF		PDF	PDF	1125	900	75	60	15 to 1	375	3	41667	0.26	60	13889	0.04	53.8	53.89	79	17	1619	12	7.5
HDB-HHP 400-1200-O	PDF	PDF		PDF	PDF	1200	960	80	64	15 to 1	400	3	44444	0.3	60	14815	0.04	53.835	53.89	79	17	1307	12	7.5
HDB-HHP 1200-1200-O	PDF	N/a	N/a	PDF	PDF	1200	960	120	96	10 to 1	1200	1	44444	0.99	70	12698	0.1	30.7	84.11	79	22	1136	10
HDB-HHP 600-1200-O	PDF	PDF		PDF	PDF	1200	960	120	96	10 to 1	600	2	44444	0.94	60	14815	0.12	45.77	66.87	78.89	20.15	1088	10
HDB-HHP 1250-1250-O	PDF	N/a	N/a	PDF	PDF	1250	1000	125	100	10 to 1	1250	1	46296	1.07	65	14245	0.12	30.7	84.11	79	22	1136	10
HDB-HHP 270-1350-O						1350	1080	135	108	25 to 1	270	5	50000	0.11	60	16667.5	0.01					2022.5	20
HDB-HHP 350-1400-O	PDF	PDF		PDF	PDF	1400	1120	70	56	20 to 1	350	4	51852	0.2	60	17284	0.03	71.2	53.89	79	17	1711	16	10
HDB-HHP 700-1400-O	PDF	N/a	N/a	PDF	PDF	1400	1120	70	56	20 to 1	700	2	51852	0.31	100	10370	0.02	59.77	84.11	78.78	22.08	1725	16
HDB-HHP 360-1440-O						1440	1152	144	115.2	20 to 1	360	4	53332	0.24	60	17776	0.03					1744	16	10
HDB-HHP 500-1500-O	PDF	PDF		PDF	PDF	1500	1200	100	80	15 to 1	500	3	55556	0.56	60	18519	0.07	67.75	60.37	79	22	1437	15	7.5
HDB-HHP 375-1500-O	PDF	PDF		PDF	PDF	1500	1200	75	60	20 to 1	375	4	55556	0.26	60	18519	0.04	71.2	53.89	79	17	1711	16	10
HDB-HHP 800-1600-O	PDF	N/a	N/a	PDF	PDF	1600	1280	80	64	20 to 1	800	2	59259	0.39	90	13169	0.02	59.77	84.11	78.78	22.08	1725	16
HDB-HHP 400-1600-O	PDF	PDF		PDF	PDF	1600	1280	80	64	20 to 1	400	4	59259	0.3	60	19753	0.04	71.2	53.89	79	17	1711	16	10
HDB-HHP 350-1750-O	PDF	PDF		PDF	PDF	1750	1400	70	56	25 to 1	350	5	64815	0.2	60	21605	0.03	88.5	53.89	79	17	1999	20	12.5
HDB-HHP 600-1800-O	PDF	PDF		PDF	PDF	1800	1440	120	96	15 to 1	600	3	66667	0.94	60	22222	0.12	67.75	66.87	79	22	1597	15	7.5
HDB-HHP 900-1800-O	PDF	N/a	N/a	PDF	PDF	1800	1440	90	72	20 to 1	900	2	66667	0.49	80	16667	0.04	59.77	84.11	78.78	22.08	1789	20
HDB-HHP 360-1800-O						1800	1440	180	144	25 to 1	360	5	66665	0.24	60	22220	0.03					2180	20
HDB-HHP 375-1875-O	PDF	PDF		PDF	PDF	1875	1500	75	60	25 to 1	375	5	69444	0.26	60	23148	0.04	88.5	53.89	79	17	2114	20	12.5
HDB-HHP 500-2000-O	PDF	PDF		PDF	PDF	2000	1600	100	80	20 to 1	500	4	74074	0.56	60	24691	0.07	89.77	60.37	78.89	20.15	1974	20
HDB-HHP 1000-2000-O	PDF	N/a	N/a	PDF	PDF	2000	1600	100	80	20 to 1	1000	2	74074	0.71	90	16461	0.04	59.75	84.11	79	22	1945	20
HDB-HHP 400-2000-O	PDF	PDF		PDF	PDF	2000	1600	80	64	25 to 1	400	5	74074	0.3	60	24691	0.04	88.5	53.89	79	17	2114	20	12.5
HDB-HHP 700-2100-O	PDF	N/a	N/a	PDF	PDF	2100	1680	70	56	30 to 1	700	3	77778	0.31	100	15556	0.02	88.77	84.11	78.78	22.08	2083	24
HDB-HHP 1100-2200-O	PDF	N/a	N/a	PDF	PDF	2200	1760	110	88	20 to 1	1100	2	81481	0.84	85	19172	0.06	59.77	84.11	78.78	22.08	1945	20
HDB-HHP 1200-2400-O	PDF	N/a	N/a	PDF	PDF	2400	1920	120	96	20 to 1	1200	2	88889	0.99	70	25397	0.1	59.75	84.11	79	22	1945	20
HDB-HHP 600-2400-O	PDF	PDF		PDF	PDF	2400	1920	120	96	20 to 1	600	4	88889	0.94	60	29630	0.12	89.77	66.87	78.89	20.15	2350	20
HDB-HHP 800-2400-O	PDF	N/a	N/a	PDF	PDF	2400	1920	80	64	30 to 1	800	3	88889	0.39	90	19753	0.02	88.77	84.11	78.78	22.08	2083	24
HDB-HHP 500-2500-O	PDF	PDF		PDF	PDF	2500	2000	100	80	25 to 1	500	5	92593	0.56	60	30864	0.07	111.77	60.37	78.89	20.15	2590	25
HDB-HHP 1250-2500-O	PDF	N/a	N/a	PDF	PDF	2500	2000	125	100	20 to 1	1250	2	92593	1.07	65	28490	0.12	59.75	84.11	79	22	1945	20
HDB-HHP 900-2700-O	PDF	N/a	N/a	PDF	PDF	2700	2160	90	72	30 to 1	900	3	100000	0.48	80	25000	0.04	88.77	84.11	78.78	22.08	2158	30
HDB-HHP 700-2800-O	PDF	N/a	N/a	PDF	PDF	2800	2240	70	56	40 to 1	700	4	103704	0.31	100	20741	0.02	117.77	84.11	78.78	22.08	3392	32
HDB-HHP 1000-3000-O	PDF	N/a	N/a	PDF	PDF	3000	2400	100	80	30 to 1	1000	3	111111	0.71	90	24691	0.04	88.75	84.11	79	22	2770	30
HDB-HHP 600-3000-O	PDF	PDF		PDF	PDF	3000	2400	120	96	25 to 1	600	5	111111	0.94	60	37037	0.12	111.77	66.87	78.89	20.15	2275	25
HDB-HHP 800-3200-O	PDF	N/a	N/a	PDF	PDF	3200	2560	80	64	40 to 1	800	4	118519	0.39	90	26337	0.02	117.77	84.11	78.78	22.08	3392	32
HDB-HHP 1100-3300-O	PDF	N/a	N/a	PDF	PDF	3300	2640	110	88	30 to 1	1100	3	122222	0.84	85	28758	0.06	88.77	84.11	78.78	22.08	2770	30
HDB-HHP 900-3600-O	PDF	N/a	N/a	PDF	PDF	3600	2880	90	72	40 to 1	900	4	133333	0.48	80	33333	0.04	117.77	84.11	78.78	22.08	3375	40
HDB-HHP 1200-3600-O	PDF	N/a	N/a	PDF	PDF	3600	2880	120	96	30 to 1	1200	3	133333	0.99	70	38095	0.1	88.75	84.11	79	22	2770	30
HDB-HHP 1250-3750-O	PDF	N/a	N/a	PDF	PDF	3750	3000	125	100	30 to 1	1250	3	138889	1.07	65	42735	0.12	88.75	84.11	79	22	2770	30
HDB-HHP 1000-4000-O	PDF	N/a	N/a	PDF	PDF	4000	3200	100	80	40 to 1	1000	4	148148	0.71	90	32922	0.04	117.75	84.11	79	22	3595	40
HDB-HHP 1100-4400-O	PDF	N/a	N/a	PDF	PDF	4400	3520	110	88	40 to 1	1100	4	162963	0.84	85	38344	0.06	117.77	84.11	78.78	22.08	3595	40
HDB-HHP 1200-4800-O	PDF	N/a	N/a	PDF	PDF	4800	3840	120	96	40 to 1	1200	4	177778	0.99	70	50794	0.1	117.75	84.11	79	22	3595	40
HDB-HHP 1250-5000-O	PDF	N/a	N/a	PDF	PDF	5000	4000	125	100	40 to 1	1250	4	185185	1.07	65	56980	0.12	117.75	84.11	79	22	3595	40

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