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PERFORMANCE
Table 21.1 - Performance
Input MBH
Certified Tube Lengths (ft.)
Recommended
Mounting Height (ft.) ➀
Spot or Area
Recommended
Heating
Tube System
Total Building
Application ➀
Heating
➀ Recommended Mounting Height and Tube System Applications are meant as a general guide and are adjusted to meet the requirements of the actual application.
The applications are as follows:
-- Spot or Area Heating is an application where occupant comfort is the goal and occupant(s) are either relatively stationary (Spot - Example: small work cell or dispersed over
a slightly wilder range than with Spot Heating (Area - Example: assembly line). Mounting height is typically at the low end of the range shown above.
-- Total Building Heating is an application where average space temperature is to be maintained, however due to the significant temperature gradient differences on
long straight tube systems, areas may exist where direct occupant comfort is not achieved.
➁ TLP 100 not available for Propane Gas operation at 50 ft. tube system length.
➂ TLP 75 not available for Propane Gas operation at 40 ft. tube section length.
Table 21.2 - Utilities
Electrical Rating
115V/60Hz/1Ph
50-60 btu = 1.71 total amps
75-200 btu = 2.66 total amps
50
60
75
20, 30,
20, 30
20, 30, 40
40
10 – 12
10 – 12
12 – 14 ➂
Gas Connection
Minumum Gas Inlet
(inch)
Pressure ("W.C.)
7.0 (natural gas)
1/2 NPT
11.0 (propane gas)
100
125
30, 40,
40, 50,
50, 60
50 ➁
60
12 – 14
15 – 22
15 – 22
U-Tube
Straight Tube
Maximum Gas
Pressure ('W.C.)
14.0
9-511
150
175
200
50, 60,
50, 60,
70
70
18 – 28
20 - 30
Manifold Gas
Tube/Vent
Pressure ("W.C.)
Diameter (inch)
3.5 (natural gas)
10.0 (propane gas)
4 (O.D.)
21
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