Despatch LCC Series User Manual

LCC_LCD1-16/51 Oven Owner’s Manual C244, 320207, REV B
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7.3. HEPA Filter Pressure Reading Worksheet
Table 10. HEPA Filter Pressure Reading Worksheet.
A
B
C
D
E
F
Date
Comments
Pressure
(inches
of water)
Pressure with 350
SCFH nitrogen purge
Pressure with 220
SCFH nitrogen
maintain
Oven
Temperature
Typical
Values
2-3”
1.5-2.5” above value
in Column C
0.3-0.8” above
value in Column C
60°C
Filter first
installed
7.4. Door Seal
Check door seals are sitting properly and providing required sealing effect.
Check the gasket on the chamber door as follows.
1. Open the door.
2. Visually inspect the gasket sealing surface.
3. Squeeze the gasket between your fingers to check for damage and tears.
4. Close the door on a piece of paper at many points around the gasket. The
gasket should seal tight enough to require a slight pull to remove the
paper.

Despatch LCC Series Specifications

General

Brand	Despatch
Model	LCC Series
Category	Oven
Language	English