User Manual

ManualsBrandsDespatch ManualsKilnStackable LCC/LCD-4

Stackable LCC/LCD Oven Owner’s Manual OPERATION

Version 1.1 39

means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and

retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

Figure 16. Nitrogen Flowmeter.

5.3.4. Sequence of Operation for Ovens Equipped for Inert Atmosphere

Oven

1. After starting the oven (Section 5.3.1), the Protocol 3 controller initializes.



Refer to the Protocol 3™ Controller Owner’s Manual for more

information on programming event outputs.

a. The oven should be idle, empty, with the door closed and awaiting

the next lot for processing.

b. The Protocol 3 Controller should not be running a profile.

c. Make certain the nitrogen flow meter is in the OFF position, that

is, fully clockwise (Figure 16).

2. Open the oven door.

3. Place the product on the shelf in the oven.

4. Close the oven door.

5. Run the desired profile with the Protocol 3 Controller.

a. Press Select until Profile is displayed.



Press Run at any time to

activate the Profile Mode.

b. Press ▲ or ▼ to display the desired profile.

c. Press Run to start the Profile Mode.

6. The first segment of the program is the PURGE MODE.

a. Set the nitrogen flow meter (Figure 16) to the desired setting (Table 6).

b. This program energizes the purge solenoid valve.

Table 6. Desired Oxygen Concentration.

7. The second segment is the MAINTAIN MODE:

a. The purge solenoid valve is first de-energized and then re-energized to maintain the

nitrogen level to less than the purge level.

b. Adjust the Nitrogen Maintain needle valve at rear of oven (Figure 17). Leave the

maintain valve energized as long as the nitrogen level is maintained (Table 6).

Oven Model

Mode

< 100 PPM

<1000 PPM

LCC1-16

Purge

150 scfh

125 scfh

Maintain

75 scfh

65 scfh

LCC1-51

Purge

200 scfh

175 scfh

Maintain

160 scfh

140 scfh