The TD duct furnace is designed so that it can be easily field converted to separated combustion using the optional "Air Inlet Kit" or "Combustion Air Inlet Kit". The unit can also be easily converted from right to left hand without requiring any additional parts.
Standard features
- In-Shot Burner Design
- 20-Gauge Steel Jacket with Baked Enamel Finish
- Double Wall Construction
- 115/1/60 Supply Voltage
- Direct Spark Ignition
- Redundant Single-Stage Gas Valve
- 115/24 Volt Controls transformer
- Power Venter
- 20-Gauge Aluminized Steel Heat Exchanger
- For Natural or Propane Gas
- 10 Year Heat Exchanger, Flue Collector and Burner Warranty
- 82% Thermal Efficiency
- Four Point Suspension
- Easy Access Control Panel
- Left Hand Control Access - Field Convertible to Right Hand
Optional features
- 409 Stainless Steel Heat Exchanger and Flue Collector
- Supply Voltages (Field Mounted Transformer): 208 & 230/1/60 and 208, 230, 460, 575/3/60
- Two-Stage and Various Electronic Modulation Gas Controls
- High Pressure regulator 1/2 - 35 PSI
- Single and Two-Stage Mercury Free Ductstats and Thermostats
- Line Voltage Thermostat
- Locking Thermostat Cover
- Low Ambient Control
- Vent Caps
- 24V SPST Relay
- Stainless Steel Drip Pan
- Horizontal and Vertical Louvers
- Air Inlet Kit (For conversion to separated combustion and two roof or wall penetrations. Includes a vent cap for the combustion air inlet pipe)
- Combustion Air Inlet Kit (For conversion to separated combustion and a single roof or wall penetration)
SPECIFICATIONS
MBH Input - BTU/Hr. |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
MBH Output - BTU/Hr. |
82 |
123 |
164 |
205 |
246 |
287 |
328 |
Thermal Efficiency |
82% |
82% |
82% |
82% |
82% |
82% |
82% |
Minimum Temperature Rise - Deg. F. |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
Maximum CFM |
2528 |
3792 |
5057 |
6321 |
7585 |
8849 |
10114 |
Pressure Drop |
0.65 |
0.44 |
0.54 |
0.76 |
0.69 |
0.76 |
0.70 |
Maximum Temperature Rise |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
Minimum CFM |
758 |
1137 |
1517 |
1896 |
2275 |
2654 |
3034 |
Pressure Drop |
0.07 |
0.03 |
0.04 |
0.08 |
0.03 |
0.07 |
0.08 |
Ratings shown are for unit installations at elevations between 0 and 2,000 ft. (0 to 610m). For installations above 2,000 ft. (610m), the input must be derated 4% for each 1,000 ft. (305m) above 2,000 ft.; refer to local codes, or refer to the latest edition of the National Fuel Gas Code, ANSI Standard Z223.1 (NFPA No. 54).