mode 6

SQ08—SQ40 2015 Dryer — Owner/Operator Manual

DRYING MODE SIX: PRESSURE HEAT and VACUUM COOL - Two Zone with HARDs (Hot Air Return Ducts)(A Models only)

Pressure Heat / Vacuum Cool - Two Zone with HARDs (Hot Air Return Ducts) mode is possible with the SQA model only. The hot air recycled by the return air ducting provides a substantial improvement to efficiency.

1. Blower

2. Fresh Air (Ambient)

3. Heated Drying Air

4. Drying Exhaust Air

5. Internal Air Duct

6. Transition

7. Burner (inside Transition)

8. Air Splitter Door (bottom Duct piece)
in LOWER position

9. Return Air Door in RAISED position allows
air from lower portion of Dryer to return
to the Blower

10. Plenum Floor

11. Cooling Air, very warm

and very dry

12. Warm Air mixture (Cooling, Recycled, Exhaust, Ambient)

13. Adjustable Louvers control amount of fresh air entering the Blower

14. Return Air Duct

15. Recycled Exhaust Air
(very warm, very dry)

2. Fresh Air (Ambient)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

2