VERDER CARBOLITE GERO HT 6/350 Handbuch

Installation, Operation and Maintenance Instructions

600°C High Temperature Oven - HT Model: 350 Litres

No Controller

HT 6/350 + No Controller

MEN-HT06350-005_NOCTRL (18-10-2021)

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 5

1.1 Switches and Lights 5

1.2 General Warnings 5

2.0 Installation 7

2.1 Unpacking and Handling 7

2.2 Siting and Setting Up 7

2.3 Electrical Connections 8

3.0 Installation 10

3.1 Unpacking and Handling 10

3.2 Siting and Setting Up 10

3.3 Electrical Connections 11

4.0 Temperature Controller 13

5.0 Operation 14

5.1 Operating Cycle 14

5.2 Over-Temperature Control (if fitted) 14

5.3 Explosive Vapours 14

5.4 Atmospheres 15

5.5 Operator Safety 15

5.6 Solenoid Valve with Manual Switch (if fitted) 15

5.7 Variable Speed Fan (if fitted) 16

5.8 Exhaust Fan (if fitted) 16

5.9 Stoving and Curing (if fitted) 16

5.9.1 Pre-heater (if fitted) 16

6.0 Maintenance 17

6.1 General Maintenance 17

6.2 Maintenance Schedule 17

6.3 Maintenance Schedule 19

6.3.1 Cleaning 21

6.4 Calibration 21

6.5 After-Sales Service 21

6.6 Recommended Spare Parts and Spare Parts Kit 21

6.7 Power Adjustment 21

7.0 Maintenance 23

7.1 General Maintenance 23

7.2 Maintenance Schedule 23

7.3 Preventative Maintenance 25

7.3.1 General Condition 25

7.4 Cleaning 25

7.4.1 Thermal Insulation and Brickwork 25

7.4.2 General Access 25

7.4.3 General Ventilation 25

7.4.4 Door Seal, Hinges and Latches 25

7.4.5 Air Inlet and Exhaust Vent 25

7.4.6 Door Safety Switch 26

7.4.7 Fan Operation 26

7.4.8 Shelves, Lights and Windows 26

7.4.9 Lifting Points 26

7.4.10 Stand and Castors 26

7.4.11 Air Flow Safety Switch 26

7.4.12 Explosion Relief Panels 26

7.4.13 Main temperature Controller and Over temperature Controller 26

7.4.14 Thermocouples 26

7.4.15 Instrument ON/Off Switch 26

7.4.16 Mains Electrical Lead and Plug 27

7.4.17 Gas Atmosphere Equipment 27

7.4.18 Data Plate and Safety Labels 27

7.4.19 Safety Guards and Covers 27

7.4.20 Electrical Checks 27

7.4.21 Final Inspection and Testing 28

7.4.22 Power Limiting Control 28

7.5 Calibration 29

7.6 After-Sales Service 29

7.7 Recommended Spare Parts and Spare Parts Kit 29

7.8 Power Adjustment 29

8.0 Repairs and Replacements 30

8.1 Safety Warning - Disconnection from Power Supply 30

8.2 Safety Warning - Refractory Fibre Insulation 30

8.3 Control Panel Removal 30

8.4 Temperature Controller Replacement 31

8.5 Solid-State Relay Replacement 31

8.6 Thermocouple Replacement 31

8.7 Element Replacement 32

9.0 Fault Analysis 33

A. Oven Does Not Heat Up 33

B. Oven Overheats 33

10.0 Wiring Diagrams 34

10.1 WV-11-00/01 34

10.2 WV-33-00/01 35

10.3 WV-43-00/01 35

10.4 WS-10-01 - Isolating for 208 V version only 36

10.5 WS-14-04 37

11.0 Fuses and Power Settings 38

11.1 Fuses 38

11.2 Power Settings 39

12.0 Specifications 40

12.1 Environment 40

1.0 Symbols and Warnings

1.1 Switches and Lights

Instrument switch: when the instrument switch is operated the

temperature control circuit is energised.

Door lock indicator: When this lamp is illuminated, the door is locked

and cannot be opened.

Solenoid valve (if fitted): see section 5.6 for full details

Variable speed fan (if fitted): see section 5.7 for full details

Exhaust fan (if fitted): see section 5.8 for full details

Stoving and curing (if fitted): see section 5.9 for full details

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

2.0 Installation

2.1 Unpacking and Handling

When unpacking or moving the product, always lift by its base; do not use the door or

any other projecting cover or component to support the equipment when moving it.

Use a fork lift or pallet truck to move the product; position the product on a level

surface and use an adequate number of personnel to safely move the product into

position.

Carefully remove any packing material from inside and around the product before use.

Avoid damaging the surrounding insulation when removing packing materials.

Locate the shelves as required.

Some models may be lifted by fitting lifting bolts to captive threads which are fitted in

the top of the case, whilst others may have welded on lifting eyes.

NOTE: This product contains Refractory Ceramic Fibre (also known

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

handling this material see section 8.2.

2.2 Siting and Setting Up

Note: This LGP oven is supplied with a floor stand that elevates it approximately 500

mm off the ground.

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.

Depending on the application of the product, it may be appropriate to position it under

an extraction hood. Ensure the extraction hood is switched on during use.

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

disconnected from the electrical supply.

Under no circumstances should any objects be placed on top of the product.

Always ensure that any vents on the top of the product are clear of any

obstruction. Always ensure all cooling vents and cooling fans (if fitted) are

clear of any obstruction.

2.3 Electrical Connections

Connection by a qualified electrician is recommended.

This product requires a single-phase A.C. supply with earth (ground), which may be

Live to Neutral non-reversible (polarised), Live to Neutral reversible (non-polarised), or

Live to Live.

Check the product rating label before connection. The supply voltage should agree with

the voltage on the label and the supply capacity should be sufficient for the current on

the label.

The supply should be fused at the next size equal to, or higher than the current on the

label. This manual contains a table of the most common fuse ratings.

When the mains cable is factory fitted, internal fuses are also fitted. It is essential that

the operator ensures that the product is correctly fused.

Products with a factory fitted supply cable are designed to be wired directly to an

isolator or fitted with a line plug.

Products without a factory fitted supply cable require a permanent connection to a

fused and isolated supply. The product's electrical access panel should be temporarily

removed, and connections made to the internal terminals.

When connecting the product to the power supply, the plug or isolating switch should

be accessible, easy to remove, and within reach of the operator.

The supply MUST incorporate an earth (ground).

Supply Terminal Label Cable Colour

Supply Types

Live - Neutral Reversible or Live-

Live

1-phase L1 Brown to live

to either power

conductor

(For USA 200-240V,

connect L1)

N / L2 Blue to neutral

to the other power

conductor

(For USA 200-240V,

connect L2)

PE Green/ Yellow to earth

(ground) to earth (ground)

Electrical Connection Details:

3.0 Installation

3.1 Unpacking and Handling

When unpacking or moving the product, always lift by its base; do not use the door or

any other projecting cover or component to support the equipment when moving it. Use

a fork lift or pallet truck to move the product; position the product on a level surface

and use an adequate number of personnel to safely move the product into position.

Carefully remove any packing material from inside and around the product before use.

Avoid damaging the surrounding insulation when removing packing materials.

Locate the shelves as required.

NOTE: This product contains Refractory Ceramic Fibre (also known

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

handling this material see section 8.2.

3.2 Siting and Setting Up

Note: This LGP oven is supplied with a floor stand that elevates it approximately 500

mm off the ground.

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.

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