Blade

 

Air

 

Pump Rotor

 

Pump

 

 

Intake

 

(Procedure if rotor is binding)

 

Plate

 

 

Filter

 

1. Remove upper shell (see

 

 

 

 

 

 

 

Filter End

 

 

page 10).

 

 

 

 

2. Remove filter end cover

 

 

 

Cover

 

 

 

 

 

Fan Guard

 

screws using 5/16" nut-

 

 

 

 

 

 

 

 

 

(90,000 BTU/Hr

 

driver.

 

 

 

 

 

 

 

 

 

Model Shown)

3. Remove filter end cover

 

Insert

 

 

 

 

 

 

 

and air filters.

 

 

 

 

 

 

Rotor

 

 

 

4.

Remove pump plate

 

Air Output

 

 

 

 

screws using 5/16" nut-

 

 

 

 

 

50 ROTOR

PFA/P 056

 

 

 

 

driver.

 

Filter

 

 

 

 

 

 

 

 

 

5.

Remove pump plate.

Figure 31 - Rotor Location, 30/70,000 BTU/Hr Models

6. Remove rotor, insert, and

 

 

 

 

 

 

blades.

 

Blade

Pump

 

 

7. Check for debris in pump.

 

Plate

 

 

 

 

Air

 

 

If debris is found, blow

 

 

 

 

 

out with compressed air.

 

 

 

Intake

 

 

 

 

 

Filter

 

8. Install insert and rotor.

 

 

 

 

 

 

 

 

 

9. Check gap on rotor.

 

 

 

Filter End

 

Adjust to .076/.101 mm if

 

 

 

Cover

Fan Guard

 

needed (see Figure 33).

 

 

 

 

(90,000 BTU/Hr

Note: Rotate rotor one

Insert

 

 

Model Shown)

 

 

 

full turn to insure the gap is

 

Rotor

 

 

 

.076/.101 mm at tightest

 

Air

 

 

 

position. Adjust if needed.

 

 

 

 

 

Output

 

 

 

 

 

150 ROTOR

 

 

 

 

 

PFA/P 059

 

 

 

10. Install blades, pump plate,

 

Filter

 

 

 

 

 

 

 

 

 

air filters, and filter end

 

 

 

 

 

 

cover.

Figure 32 - Rotor Location, 90/150,000 BTU/Hr Models

11. Replace fan guard and

 

 

 

 

 

 

upper shell.

 

 

 

 

 

12. Adjust pump pressure (see

Gap Adjusting

 

 

 

 

page 14).

 

 

 

 

Screw

 

 

 

 

Note: If rotor is still binding,

 

 

 

 

 

proceed as follows.

 

 

 

 

 

13. Perform steps 1 thru 6

 

 

.076/.101 mm Gap

 

 

above.

 

 

Measured With

 

14. Place fine grade sandpaper

 

 

Feeler Gauge

 

 

(600 grit) on flat surface.

 

 

 

Sandpaper

 

Sand rotor lightly in

 

 

 

 

“figure 8” motion four

Blade

Rotor

 

 

 

times (see Figure 34).

 

 

 

 

 

 

 

 

 

 

 

 

15.Reinstall insert and rotor.

16.Perform steps 10 thru 12

above.

Gap

 

Adjusting

 

 

 

 

Screw

 

 

Figure 33 - Gap Adjusting

 

 

Screw Locations

Figure 34 - Sanding Rotor

18

099800

Page 18
Image 18
Desa PH150EDI, PH30EDI, PH70EDI, PH100EDI owner manual Pump Rotor, Rotor Location, 30/70,000 BTU/Hr Models

PH100EDI, PH150EDI, PH70EDI, PH30EDI specifications

Desa PH30EDI, PH150EDI, PH100EDI, and PH70EDI are advanced heating solutions designed for diverse residential and commercial applications. These electric infrared heaters offer efficient warmth with a range of features that cater to the varying needs of users.

The PH30EDI, being the smallest model in the lineup, is ideal for smaller spaces. With a power output of 3000 watts, it delivers quick and effective heating, ensuring comfort in bathrooms, offices, or small living areas. Its compact design allows for easy installation, whether mounted on the wall or used as a freestanding unit. One of the standout features of the PH30EDI is its energy-efficient performance, which significantly reduces electricity costs while maintaining optimal heating capabilities.

Moving on to the PH70EDI, this model provides a higher wattage of 7000 watts, making it suitable for larger rooms or open spaces. The heater incorporates advanced infrared technology, which directly warms people and objects rather than the air, resulting in a quick and consistent temperature increase. The PH70EDI also features adjustable heat settings, giving users the ability to customize their comfort level.

The PH100EDI offers an even greater heating capacity with its 10000 watts output. This model excels in commercial environments, such as warehouses or large workshops, where robust heating is essential. It is designed with a durable, weather-resistant casing that ensures longevity even in harsh conditions. The heater's user-friendly digital controls enhance convenience, enabling precise temperature adjustments and timely scheduling for automated heating.

Finally, the PH150EDI stands as the most powerful in the lineup, with a remarkable output of 15000 watts. Ideal for sizable commercial spaces and industrial applications, this model has advanced safety features, including overheat protection and a tip-over switch, ensuring safe operation under all circumstances. The PH150EDI also benefits from a sophisticated heating element that ensures uniform heat distribution throughout the space.

Each of these models exemplifies Desa's commitment to creating efficient, reliable, and user-friendly heating solutions. Their lightweight, portable designs, combined with advanced infrared technology, make them formidable choices for anyone looking to enhance their heating efficiency while minimizing energy costs. With the Desa PH series, users can expect enhanced comfort and warmth tailored to their specific space requirements.