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 Enclosure
– Complete weatherproof vestibule and cabinet with duct flanges.
– 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
| Model Number | Std PDF | Std CAD | Alt PDF | Alt CAD | PDF of Gas Train | PDF of Wiring Diagram | Max Temp Rise | 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 @ Min Rise | APD @ Min Rise | Min CFM @ Max Rise | APD @ Max Rise | Dim. A | Dim. B | Dim. C | Dim. D | Weight (Lbs.) | Total Amps 120V | Total Amps 208V 230V |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HDA-VHP-250-500-O-W | 100 | 500 | 400 | 50 | 40 | 10 to 1 | 250 | 2 | 18519 | 0.826 | 3704 | 0.042 | 53.34 | 76.11 | 50.6 | 19.72 | N/a | 8 | 5 | ||||||
| HDA-VHP-300-600-O-W | 100 | 600 | 480 | 60 | 48 | 10 to 1 | 300 | 2 | 22222 | 0.965 | 4444 | 0.049 | 59.84 | 76.11 | 50.6 | 16.21 | N/a | 8 | 5 | ||||||
| HDA-VHP-350-700-O-W | 100 | 700 | 560 | 70 | 56 | 10 to 1 | 350 | 2 | 25926 | 1.087 | 5185 | 0.055 | 66.34 | 76.11 | 50.6 | 16.21 | N/a | 8 | 5 | ||||||
| HDA-VHP-400-800-O-W | 100 | 800 | 640 | 80 | 64 | 10 to 1 | 400 | 2 | 29630 | 1.195 | 5926 | 0.061 | 72.84 | 76.11 | 50.6 | 16.21 | N/a | 8 | 5 | ||||||
| HDA-VHP-300-900-O-W | 100 | 900 | 720 | 60 | 48 | 15 to 1 | 300 | 3 | 33333 | 0.965 | 6667 | 0.049 | 85.31 | 76.11 | 50.6 | 16.21 | N/a | 12 | 7.5 | ||||||
| HDA-VHP-500-1000-O-W | 100 | 1000 | 800 | 100 | 80 | 10 to 1 | 500 | 2 | 37037 | 1.377 | 7407 | 0.07 | 85.84 | 76.11 | 50.6 | 19.72 | N/a | 10 | 5 | ||||||
| HDA-VHP-350-1050-O-W | 100 | 1050 | 840 | 70 | 56 | 15 to 1 | 350 | 3 | 38889 | 1.087 | 7778 | 0.055 | 95.06 | 76.11 | 50.6 | 16.21 | N/a | 12 | 7.5 | ||||||
| HDA-VHP-400-1200-O-W | 100 | 1200 | 960 | 80 | 64 | 15 to 1 | 400 | 3 | 44444 | 1.195 | 8889 | 0.061 | 104.81 | 76.11 | 50.6 | 16.21 | N/a | 12 | 7.5 | ||||||
| HDA-VHP-600-1200-O-W | 100 | 1200 | 960 | 120 | 96 | 10 to 1 | 600 | 2 | 44444 | 1.523 | 8889 | 0.077 | 98.84 | 76.11 | 50.6 | 19.72 | N/a | 10 | 5 | ||||||
| HDA-VHP-500-1500-O-W | 100 | 1500 | 1200 | 100 | 80 | 15 to 1 | 500 | 3 | 55556 | 1.377 | 11111 | 0.07 | 124.31 | 76.11 | 50.6 | 19.72 | N/a | 15 | 7.5 | ||||||
| HDA-VHP-600-1800-O-W | 100 | 1800 | 1440 | 120 | 96 | 15 to 1 | 600 | 3 | 66667 | 1.523 | 13333 | 0.077 | 143.81 | 76.11 | 50.6 | 19.72 | N/a | 15 | 7.5 |