Brochure
5
75-136.49
Request Catalog 6-175 For Complete Technical Information and Specifications.
DO NOT LOCATE ANY GAS-FIRED UNIT IN AREAS WITH CHLORINATED,
HALOGENATED, OR ACIDIC VAPORS IN ATMOSPHERE.
GAS-FIRED, SEPARATED COMBUSTION
• 100% Outside Air for Combustion • Sealed Compartment Protects Combination Gas Control, Ignition Control,
Manifold and Burner • Horizontal or Vertical Concentric Venting • 82% Thermal Efciency • Direct Spark Ignition
• 100% Shut-Off with Continuous Retry • Certied for Commercial or Residential Applications
MODEL HDS
MODEL HDC
MODEL PTS
The separated combustion models HDS/HDC and PTS/BTS draw 100% of their combustion air from
outside to ensure that the unit will always have plenty of fresh, clean air to breathe. This fresh-air
supply reduces common concerns about maintenance, performance, and durability in dusty, dirty, or
humid applications. In addition, by drawing the combustion air from the outside, the overall heating
efficiency is increased. In short, the separated combustion units give you the added advantages of:
• 82% thermal efficiency for fuel savings.
• A sealed compartment protects the combination gas valve, ignition control, manifold, and burner
from the environment.
• External gas connections.
• Uses natural or propane gas (field convertible from natural to propane gas).
• Certified for residential (30-125MBH), commercial and industrial use (30-400MBH).
• Lightweight, easily installs 1" from ceiling with only two angle brackets (standard on 30-75,
accessory for 100-125).
• Install quickly and easily with knockouts for quick access to gas and electricity.
• Standard power exhaust simplifies side-wall or roof venting with small-diameter vent pipe.
• Horizontal or vertical two-pipe or concentric venting options.
• Permanently-lubricated motor for trouble-free dependability.
• Full 10-year warranty on heat exchanger.
• Available in both propeller fan and centrifugal blower configurations.
For blower model data, see page 8.
Table 5.1 - Propeller Unit Model HDS and PTS General Performance Data
Model HDS Sizes Model PTS Sizes
30 45 60 75 100 125 150 175 200 250 300 350 400
Btu/Hr Input ➀
30,000 45,000 60,000 75,000 100,000 125,000 150,000 175,000 200,000 250,000 300,000 350,000 400,000
Btu/Hr Ouput ➀
24,600 26,900 49,200 61,500 82,000 102,500 123,000 143,500 164,000 205,000 246,000 287,000 328,000
Entering Airflow (CFM)
@ 70°F
505 720 990 1160 1490 1980 2140 2725 2870 3995 4545 5280 5995
Air Temp. Rise (°F) 44 46 45 48 50 47 53 48 52 47 50 50 51
Max. Mounting
Height (Ft.) ➁
10 10 12 14 12 16 15 14 15 18 19 18 21
Heat Throw (Ft.) @
Max Mtg Ht ➁
25 27 36 38 42 56 51 50 53 62 69 65 74
➀ Ratings shown are for elevations up to 2,000 Ft. For elevations above 2,000 feet, ratings should be reduced at the rate of 4% for each 1,000 feet
above sea level. (In Canada see rating plate.) Reduction of ratings requires use of a high altitude kit.
➁ Data taken at 55°F air temperature rise. At 65°F ambient and unit fired at full-rated input. Mounting height as measured from bottom of unit, and
without deflector hoods.