Vacuum Oven Operating Manual · 2019-06-20 · Vacuum Ovens . 1 . 1 . Electron Microscopy Sciences 1560 Industry Road Hatfield, PA 19440 TEL: 215-412-8400 FAX: 215-412-8450 TOLL FREE:

Electron Microscopy Sciences 1560 Industry Road Hatfield, PA 19440

TEL: 215-412-8400 FAX: 215-412-8450 TOLL FREE: 1-800-523-5874 EMAIL: [email protected] WEB: www.emsdiasum.com

INSTRUCTION MANUAL

CAT. 63234-10, 63234-20, 63235-20, 63236-10, 63236-20, 63237-10, 63237-20, 63238-10, 63238-20

Vacuum Ovens

1

1

mailto:[email protected]

http://www.emsdiasum.com/



2





Preface

Catalog Numbers

Model Numbers

Voltage Feature Size (cu ft)

3608 6258 120V Dial thermometer 0.7

3608-5 6263 120V LED temp display 0.7

3608-1CE 6264 240V Dial thermometer 0.7

3608-6CE 6267 240V LED temp display 0.7

3618 6270 120V LED temp display 2.3


3618-5 6273 120V LED temp display 2.3


3





Preface

Important:

Caution:

4





Preface

4

4

4

4

5



http://www.emsdiasum.com./



Table of Contents

Section 1

Section 2

Section 3

Section 4

Section 5

Section 6

Description .................................................................................. 1-1

Safety Information ...................................................................... 2-1

Specifications .............................................................................. 3-1

Unpacking and Installation .......................................................... 4-1

Features ...................................................................................... 5-1

Operation .................................................................................... 6-1

6





Table of Contents

Section 7

Section 8

Section 9

Section 10

Maintenance ............................................................................... 7-1

Troubleshooting ................................................................................. 8-1

Servicing ..................................................................................... 9-1

Electrical Schematics ................................................................. 10-1

7





Section 1 Description

Note

s

8





9





Section 2 Safety Information

10





11





Section 3 Specifications

12





Section 3 Specifications

13





Section 4 Unpacking and Installation

Important

Location

Hose Connections

14





Section 4 Unpacking and Installation

Electrical

Requirements

Thermometer

Note

Caution

15





Section 5 Features

Control Panel-Models w/ Dial Thermometer

1

2

3

4

5

POWER

TEMPERATURE

CHAMBER VACUUM

EVAC

EVACUATE

16





Section 5 Features

Control Panel-Models w/ LED Readout

1

2

3

4

5

6

POWER

TEMPERATURE°C

TEMPERATURE

CHAMBER VACUUM

EVAC

EVACUATE VENT

17





Section 6 Operation

Caution

Caution

s

Temperature Control

Loading the Oven

18





19





Section 6 Operation

Maintaining Proper Vacuum Level

Releasing the

Vacuum

Purging the Chamber

with Inert Gas

Unloading the Oven

Caution

20





Section 7 Maintenance

Note M

Caution

Caution

Routine Cleaning

21






Care and Cleaning of Stainless Steel

Guidelines

The pH Factor

Caution

Warning

22





23





Special Considerations

Cleansing Agents


Warning

Aluminum chloride E.D.T.A. Potassium permanganate

Barium chloride Ferrous chloride Potassium thiocyanate

Calcium chloride Lysol Sodium hypochlorite

Chlorinated Lime Mercury salts Stannous chloride

Citric acid (boiling) Phenol Tartaric acid

Dakin’s solution

Caution

24






Cleaning Methods

Caution

s

ʼ

Note

25





26






Disinfection

Door Gasket Lubrication

Note

27





28





Section 8 Troubleshooting

Caution

SYMPTOM POSSIBLE CAUSES OF PROBLEM

Excessive vacuum leaks:

Check door gasket and door alignment.

Check for loose connections/fittings.*

Check the vacuum/vent valve—order a replacement if it is leaking.*

Won't vent or evacuate:

Check for open fittings, large leaks.*

Check vacuum/vent valve; replace if bad.*

Check tubing & fittings for obstruction.*

Apply high quality vacuum grease to door gasket.

Vacuum gauge not at zero when oven door is open: Replace the vacuum gauge.*

Power switch does not light:

Check power cord and outlet for power.

Check main fuses inside back cover.

Replace the power switch if necessary.

Heater status lamp is out when cold oven is heating up: Replace the heater status lamp.

The thermostat is set at maximum and thermometer does not register or only registers partial heating:

Move thermometer in contact with shelf.

Check both thermostats - replace if bad.

29





Make ohmmeter check of heater resistance and replace faulty heater(s).

30





31





Section 9 Servicing

Caution

Control Thermostat Replacement

Heat Status Lamp Replacement

32





Section 9 Servicing

Vacuum/Vent Valve Replacement

Note s

Note

s

Components on Control Panel

Female Run-Tee

Vacuum Gauge

1/4" NPT S.S. Male Elbow

1/4" NPT Male Connector

3-Way Hand Valve

1/4" NPT Brass Male Elbow

1/4" NPT Female Connector

1/4" Hose Barb

To

Vacuum

Chamber

REAR

WALL

33





Vacuum Gauge Replacement

Back Panel Components

Section 9 Servicing

34





Section 9 Servicing

Back Panel Components (cont.)

Door Gasket Repairs

35





Section 9 Servicing

Note

36





Section 9 Servicing

37





Section 10 Wiring Diagram

38






39






40





41






42





43





Ordering Procedures


44





45







Documents

Vacuum Oven Operating Manual · 2019-06-20 · Vacuum Ovens . 1 . 1 . Electron Microscopy Sciences 1560 Industry Road Hatfield, PA 19440 TEL: 215-412-8400 FAX: 215-412-8450 TOLL FREE: