Desa B50H - Manual (Page 11)

11
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(Pump Rotor, continued)
10.Install blades, pump plate, air filters,
and filter end cover.
11.Replace fan guard and upper shell.
12.Adjust pump pressure (see page 9).
Note: If rotor is still binding, proceed as
follows.
13. Perform steps 1 through 6 (see page 10).
14. Place fine grade sandpaper (600 grit)
on flat surface. Sand rotor lightly in
“figure 8” motion four times (see Fig-
ure 14).
15.Reinstall insert and rotor.
16.Perform steps 10 through 12 above.
Sandpaper
Figure 14 - Sanding Rotor
.003"/.004" Gap
Measured With
Feeler Gauge
Blade
Rotor
Gap Adjusting Screw
Gap Adjusting Screw
Figure 13 - Gap Adjusting Screw Locations
SPECIFICATIONS Output Rating (Btu/Hr.) 50,000
Fuel Use Only Kerosene or No. 1 Fuel Oil
Fuel Tank Capacity (U.S. Gal.) 4.0
Fuel Consumption (Gal. Per Hr.) .40
Electric Requirements 120 V/60 Hz
Amperage (Normal Run) 2.0
Motor RPM 1725
Hot Air Output (CFM) 175
Pump Pressure (psi) 3.6
Shipping Weight (Approximate Pounds 35
Heater Weight without Fuel
(Approximate Pounds) 30
Figure 16 - Wiring Diagram
WIRING
DIAGRAM
Blue
Photocell
Power Plug
120V/60Hz
Ignitor
Ignitor
Blue
White
Red
Gray
Gray
Green
Motor
White
Black
AC Common (L2)
Photocell
Photocell Common
Motor Common
Motor
AC Hot (L1)
Ignitor Common
Ignition Control
Green