VERDER TZF 12/38/400 Handbuch

Installation, Operation and Maintenance Instructions

1200 °C Tube Furnace (3-zone) - TZF Model: 400mm

301 Controller + 2132 End Zone Controllers

TZF 12/38/400 + 301 Controller + 2132 End

Zone Controllers

MEN-TZF12038-400-01_301_2132 (19-06-2019)

Contents

This manual is for guidance on the use of the Carbolite Gero product specified on the

front cover. This manual should be read thoroughly before unpacking and using the

furnace or oven. The model details and serial number are shown on the back of this

manual. Use the product for the purpose for which it is intended.

1.0 Symbols and Warnings 6

1.1 Switches and Lights 6

1.2 General Warnings 6

2.0 Installation 8

2.1 Unpacking and Handling 8

2.2 Siting and Setting Up 8

2.3 Electrical Connections 11

3.0 301 Controller 14

3.1 PID control 14

3.2 Basic Operation of the 301 Controller 14

3.2.1 Menu System 15

3.2.2 Navigation Diagram 15

3.2.3 Basic Function Guide 17

3.2.4 Home Display 18

3.2.5 Hold Mode 18

3.2.6 Checking the Temperature Setpoint from the Home Display 19

3.2.7 Changing the Temperature Setpoint 19

3.2.8 Changing the Temperature Setpoint Ramp Rate 19

3.2.9 Changing the Timer Time 20

3.3 Advanced Operation 20

3.3.1 Entering the Setup menu 20

3.3.2 Changing the Timer Type 20

3.3.3 Changing the Timer Band 21

3.3.4 Changing the Maximum Output Power 21

3.3.5 Changing the Customer Calibration Type 22

3.3.6 Calibration Password 22

3.4 Temperature Setpoint Ramp Rate 22

3.4.1 Setpoint Ramp Rate 22

3.4.2 Limitations of Setpoint Ramp Rate 22

3.5 The Timer 23

3.5.1 Starting the Timer 23

3.5.2 Checking the Time Remaining 23

3.5.3 Pausing the Timer 23

3.5.4 Resetting the Timer 24

3.5.5 Timer Function Description 24

3.5.6 The Timer Temperature Band 25

3.5.7 Timer Function Table 26

3.6 Ramp Dwell Programming 27

3.6.1 Setting up a Ramp Dwell program 27

3.7 Maximum Output Setting 29

3.8 Customer Calibration 29

3.8.1 Factory Calibration - FAct 29

3.8.2 Single Point Calibration - C.CL1 30

3.8.3 Changing the Single Point Calibration Offset - OFSt 30

3.8.4 Dual Point Calibration - C.CL2 30

3.8.5 Changing the Calibration, Low Temperature - CAL.L 31

3.8.6 Changing the Calibration, Low Temperature Offset - OFS.L 31

3.8.7 Changing the Calibration, High Temperature - CAL.H 31

3.8.8 Changing the Calibration, High Temperature Offset - OFS.H 32

3.9 Over-Temperature Protection 33

3.9.1 Over-Temperature (O/T) home display 33

3.9.2 Changing the Over-Temperature Limit 34

3.9.3 Checking the Over-Temperature Sensor Temperature 34

3.9.4 Over-Temperature Protection Calibration 35

3.9.5 Over-Temperature Activation 35

3.9.6 Resetting Over-Temperature Activation 36

3.10 RS232 Communication Option 37

3.11 Temperature Controller Replacement 37

3.12 Glossary of Terms 38

3.13 Controller Fault 38

4.0 2132 Controller 39

4.1 Description 39

4.2 2132 Controller Operation 39

4.2.1 Controls 39

4.2.2 2132 Controller Operation 40

4.2.3 Basic Operation 40

4.2.4 Altering the Setpoint 40

4.2.5 Stopping and Starting Control 41

4.2.6 Altering the Ramp Rate 41

4.3 Operating with the Timer 42

4.3.1 Setting the Timer Mode 44

4.3.2 Setting the Time Period 44

4.3.3 Running with the Timer 44

4.3.4 Stopping the Timer 45

4.3.5 End of Time Period 46

4.3.6 Cancelling the Alarm 46

4.3.7 Program Example 46

4.4 Altering Power Limit 46

4.5 Audible Alarm 49

4.6 Temperature Controller Replacement 49

4.7 Navigation Diagram 50

5.0 Operation 52

5.1 Operating Cycle 52

5.2 Control Method 52

5.3 3-Zone Control Methods 52

A. Back-to-Back Thermocouples 53

B. Retransmission of Setpoint 53

C. Independent Control 54

5.4 General Operating Advice 54

5.5 Operator Safety 54

5.6 Tube Life 55

5.7 Pressure 55

5.8 Power Adjustment 56

5.9 Running at Low Temperatures 56

6.0 Maintenance 57

6.1 General Maintenance 57

6.2 Maintenance Schedule 57

6.2.1 Cleaning 59

6.3 Calibration 59

6.4 After-Sales Service 59

6.5 Recommended Spare Parts and Spare Parts Kit 59

7.0 Repairs and Replacements 60

7.1 Safety Warning - Disconnection from Power Supply 60

7.2 Safety Warning - Refractory Fibre Insulation 60

7.3 Temperature Controller Replacement 60

7.4 Solid-state Relay Replacement 61

7.5 Thermocouple Replacement 61

7.6 Element Replacement 62

7.7 Fuse Replacement 63

8.0 Fault Analysis 64

A. Furnace Does Not Heat Up 64

B. Product Overheats 65

9.0 Wiring Diagrams 66

9.1 WC-13-01 66

9.2 WC-13-31 67

9.3 2- and 3-phase With Neutral 68

9.4 Independent Zones (control method C) 68

9.5 Control by Broadcast Comms (control method B) 68

10.0 Fuses and Power Settings 69

10.1 Fuses 69

10.2 Power Settings 69

User Power Setting Adjustments 70

11.0 Specifications 71

11.1 Environment 71

1.0 Symbols and Warnings

1.0 Symbols and Warnings

1.1 Switches and Lights

Instrument switch: when the instrument switch is operated the

temperature control circuit is energised.

Heat light: the adjacent light glows or flashes to indicate that power

is being supplied to the elements.

Heat switch: the switch disconnects power to the heating elements;

unless this switch is OFF there is a danger of electric shock when

inserting objects into the product.

1.2 General Warnings

DANGER – Electric shock. Read any warning printed next to this

symbol.

WARNING: Risk of fatal injury.

DANGER – Hot surface. Read any warning printed next to this

symbol.

WARNING: All surfaces of a product may be hot.

DANGER – Read any warning printed next to this symbol.

Caution – Double Pole/Neutral Fusing

1.0 Symbols and Warnings

2.0 Installation

2.0 Installation

2.1 Unpacking and Handling

When unpacking or moving the product always lift it by its base or by both ends of the

main body. Never lift it by its work tube or the surrounding insulation. Use two or more

people to carry the product and control box. Remove any packing material from inside

the product before use.

If an optional or special stand is separately supplied, assemble the product on to it.

Some models may be supplied for customer mounting and may require customer

preparation of mounting components before installation.

NOTE: This product contains Refractory Ceramic Fibre (also known as

Alumino Silicate Wool - ASW). For precautions and advice on handling

this material see section 7.2.

2.2 Siting and Setting Up

Place the product on a level surface in a well ventilated area.

Site away from other sources of heat and on a non-flammable surface that is resistant

to accidental spillage or hot materials.

The surface on which the equipment is mounted should be stable and not subject to

movement or vibrations.

The height of the mounting surface is important to avoid operator strain when loading

and unloading samples.

Unless otherwise stated elsewhere in this manual, ensure that there is at least 150

mm of free space around the back and sides of the product. Clear space is required

above the product to dissipate heat.

Work tubes:

It is recommended that the work tube has either insulation plugs or

radiation shields fitted to minimise heat loss from both ends of the work

tube. If the work tube has open ends, a significant amount of energy

could be radiated from the ends of the work tube. Adjacent surfaces

should always be made from a non-flammable material.

Ensure that the ends of the work tube are positioned at least 500 mm

away from any adjacent surface so that any energy radiated cannot heat

an adjacent surface to a dangerous temperature.

Ensure that the product is placed in such a way that it can be quickly switched off or

disconnected from the electrical supply.

If the product is supplied with a work tube or any accessories fit these into position.

For optimum temperature uniformity, insulating plugs should be placed in the tube ends

as shown in fig.1. With a long work tube, the stem of the plug assembly should line up

with the end of the tube as in fig.2. Alignment of radiation shields is similar to that of

plugs.

If stainless steel seals with gas inlets are supplied, they are to be fitted as shown in

fig.3; the stem of any insulating plug should touch the seal.

For vertical models with stainless steel seals, a hook and eye arrangement holds the

upper insulating plug assembly.

Horizontal models: if heavy fittings are to be clamped to the end of an extended work

tube they can increase the bending stress at the centre of the tube. Support such

fittings in such a way that expansion of the tube is allowed.

If a metal work tube is being used in the product, ensure that it is earthed for operator

safety.

2.0 Installation

Fig 1 - Insulating Plug

(standard length tube) Key

A Tube

B Insulating Plug

C Stem

Fig 2 - Insulating Plug

(long work tube)

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