Specifications; All Models - Desa TB100 Manuel Du Propriétaire

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SERVICE PROCEDURES
Continued
14. Dry fan thoroughly.
15. Replace fan on motor shaft. Place set-
screw on flat of shaft. See chart in Figure
10 for distance of fan hub from end of
motor shaft. Tighten setscrew firmly (40-
50 inch-pounds).
16. Remove screws securing motor mount to
shell.
17. Pull motor and fan from shell. Turn motor
and fan around. Carefully place back in
shell. Note: Fan will go into shell first.
18. Line up mounting holes in shell with
holes on motor mount. Replace 4 screws
through shell and motor mount.
19. Route motor wires through hole in top of
shell (see Figure 7, page 8).
0. Reconnect motor wires to the same posts
on terminal block as removed in step 3,
page 8 (see Figure 7, page 8).
1. Replace top cover.
. Replace fan guard.
Fan
Figure 9 - Fan, Motor Shaft and Setscrew
Identification
Model
Distance A
55
0.19" (4.8 mm)
85
0.5" (1.7 mm)* or
0.9" (.9 mm)*
15
0.5" (1.7 mm)* or
0.9" (.9 mm)*
170
0.5" (6.4 mm)
* Depending
on Motor Shaft
Figure 10 - Fan Cross Section
119143-01B
Setscrew
Motor
Shaft
A
Motor
Hub
Shaft
Setscrew
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SPECIFICATIONS

all Models

• Propane/LP Gas
• Gas Supply Pressure to Regulator:
Max - Bottle Pressure, Min - 5 psig
(17.4 kPa)
• Gas Supply Pressure Regulator Out:
0 psig (137.9 kPa)
• Electrical Input: 120V, 60 Hz, 1Ø, 3a
• Direct Spark Ignition
• Minimum Ambient Temp. Rating:
0° F (-17.8° C)
55,000 Btu/Hr Models
• 30 - 55,000 Btu/Hr (8.8 - 16.1 kW)
• Fuel Consumption:
1.4 - .6 pounds/hr (0.70 - 1.8 kg/hr)
• Primary Flame Control:
Thermocouple operated gas valve
• Heated Air Output: 300 CFM (8.49 m
85,000 Btu/Hr Models
• 50 - 85,000 Btu/Hr (14.6 - 5.0 kW)
• Fuel Consumption:
.3 - 3.9 pounds/hr (1.04 - 1.77 kg/hr)
• Primary Flame Control:
Thermocouple operated gas valve
• Heated Air Output: 350 CFM (9.91 m
125,000 Btu/Hr Models
• 75 - 15,000 Btu/Hr (1.9 - 36.6 kW)
• Fuel Consumption:
3.5 - 5.8 pounds/hr (1.59 - .63 kg/hr)
• Primary Flame Control:
Thermocouple operated gas valve
• Heated Air Output: 350 CFM (9.91 m
170,000 Btu/Hr Models
• 15 - 170,000 Btu/Hr (36.6 - 49.8 kW)
• Fuel Consumption:
5.8 - 7.9 pounds/hr (.63 - 3.6 kg/hr)
• Primary Flame Control:
DSI Flame Rectification
Fan
• Heated Air Output: 450 CFM (1.74 m
Motor
/min)
3
/min)
3
/min)
3
/min)
3
9

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