Despatch LCC1-87NV-2 Manual de usuario

P/N 125166 REV. 11/07 C-159 LCC SERIES OVENS INSTRUCTION MANUAL Model Volts Phase Hz Heater Watts Total LCC 1-11 240 1 50/6

1 INTRODUCTION This section provides an overview of the Despatch LCC Series oven. The LCC offers HEPA filtration for processes where minimization

2 SPECIFICATIONS Dimensions Model Chamber Size, inches (cm) Capacity, ft3 (liters) Overall Size, inches (cm) Maximum Number of Shelves W

3 Capacities Model LCC 1-11 LCC 1-11N LCC 1-54 LCC 1-54N, LCC 1-54NV LCC 1-87 LCC 1-87N, LCC 1-87NV Maximum Load Lbs 25 25 150 150

4 Temperature Model LCC 1-11 LCC 1-11N LCC 1-54 LCC 1-54N, LCC 1-54V LCC 1-87 LCC 1-87N, LCC 1-87NV Time to Temperature (approximate minute

5 THEORY OF OPERATION The THEORY OF OPERATION section details the function and operation of the Despatch LCC Series Ovens. The LCC series oven is

6 Construction The LCC series oven has a type 304-2B stainless steel interior. All interior seams are continuously welded on the insulation side.

7 HEPA Filters Absolute HEPA (High Efficiency Particulate Air) filters are used to limit particulate size in the work chamber to 0.3 microns or les

8 Handling The filter is shipped in the original carton or package that the filter manufacturer uses. This will give good storage and maximum prot

9 period of time onto a clean disk. Validation Testing Based on the issues discussed in this section, Despatch recommends the following test sequ

10 Water droplets in airstream through filter, free water (RH = 100%), will saturate filter very quickly and may cause burnout or holes in burned

Thank you for choosing Despatch Industries. We appreciate the opportunity to work with you and to meet your heat processing needs. We believe that

11 Oven High Limit Instrument If the product does not have a critical high temperature limit, the HIGH LIMIT can be used as an oven HIGH LIMIT inst

12 INSTRUCTIONS The INSTRUCTIONS section provides directions on unpacking, installation, operation and maintenance of the Despatch LCC Series Ovens

13 Industries to have the appropriate materials forwarded to you. Any optional accessories ordered will be shipped separately. 5. Complete the wa

14 The brass needle valve on the face of the water flowmeter can be used for adjusting the water flow or shutting off the water flow. i. Run tubi

15 7. Identify correct power source indicated on the specification plate. Power requirements are also listed on the cover of this manual. 8. Har

16  Check the corner joints of the frame for adhesive sealing and tightness.  Check that the gaskets are cemented firmly to the filter frame

17 the final location for the oven. However, it may be a receiving dock, some well ventilated space or even outside if the weather is acceptable.

18 OPERATING Users and operators of this oven must comply with operating procedures and training of operating personnel as required by the Occupati

19 Pre-Startup Checklist  Know the system. Read this manual carefully. Make use of its instructions and explanations. The know how of safe, co

20 4. For the inert atmosphere ovens, adjust flow rate. a. Determine the desired oxygen level. b. Use the following chart to determine the ti

21 c. Turn the nitrogen valve switch to the PURGE position for the time to achieve oxygen level as determined in step 2b. d. When the purge is co

22 7. After heating cycle is complete, turn the heater toggle switch to the OFF position. Do not turn the power off until the oven chamber temper

23 Maintenance Do not attempt any service on this oven before opening the main power disconnect switch. Checklist Keep equipment clean. Gra

24 Tests Tests should be performed carefully and regularly. The safety of personnel as well as the condition of equipment may depend upon the prop

25 and < 1 VDC when off. 5. Reconnect line power to the control. 6. Replace the SSR if shorted or replace the CONTROL instrument if the outpu

26 Replacement Parts To return parts contact Despatch Industries to obtain an MRA (material return authorization) number. This number must be at

27 Fan Motor (Tools needed: Screwdriver, Allen wrench, crescent wrench) 1. Disconnect power. 2. Remove filter cover and filter from left side.

28 16. Tighten set screws making sure set screws hit the flats machined into the motor shaft. 17. Bolt heater back in place. 18. Replace interi

29 Thermocouple Break Protection If the thermocouple breaks, the control instrument will shut off power to the heater, preventing excessive tempera

30 Heater Unit (Tools needed: Crescent wrench, screwdriver, one quarter (¼) inch socket set) 1. Disconnect power. 2. Remove filter cover and f

31 APPENDIX Troubleshooting Equipment operating for long periods may have occasional problems. Below are possible problems and suggested solution

32 Difficulty Probable Cause Suggested Remedy temperature around door Door seal deterioration Replace door seal. Improper airflow Fan motor fai

33 Factory Installed Options Access Ports Circular openings welded into top or rear of chamber. Standard sizes available include 1, 2, 3 and 4 i

34 Drawings The drawings on the next pages are the electrical schematics for the following ovens: LCC 1 - 11 - 2 & LCC 1 - 11N – 2 Digitro

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i PREFACE This manual is your guide to the Despatch oven. It is organized to give you the information you need quickly and easily. The INTRODUCTI

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iii TABLE OF CONTENTS INTRODUCTION ... 1

iv Control Output Check ...... 24 Thermocouple Test ...

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