VERDER CARBOLITE GERO Apex Series Handbuch

Installation, Operation and Maintenance Instructions

250°C Laboratory Fan Ovens - Apex Range: 30 Litres

R38 Controller

AX 30 + R38 Controller

MEN-AX030-001_R38 (01-08-2019)

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 4

1.1 Switches and Lights 4

1.2 General Warnings 4

2.0 Installation 5

2.1 Unpacking and Handling 5

2.2 Siting and Setting Up 5

2.2.1 Shelf Fitting 7

2.3 Electrical Connections 8

3.0 R38 Controller 10

3.1 PID control 10

3.2 Controller Operation 10

3.3 R38 Over-Temperature Controller 10

3.4 Process Timer (if fitted) 11

3.5 Calibration 11

3.6 Over-Temperature Control (if fitted) 12

3.7 Controller Replacement 12

3.8 Temperature Controller Replacement 12

4.0 Operation 13

4.1 Operating Cycle 13

4.2 The Oven Door and Chamber 13

4.3 Loading and Unloading the Chamber 13

4.4 Vents 14

4.5 Temperature Control 14

4.6 Explosive Vapours 14

5.0 Maintenance 15

5.1 General Maintenance 15

5.2 Maintenance Schedule 15

5.2.1 Cleaning 17

5.3 After-Sales Service 17

5.4 Recommended Spare Parts and Spare Parts Kit 17

5.5 Retrofit Kits 17

6.0 Repairs and Replacements 18

6.1 Safety Warning - Disconnection from Power Supply 18

6.2 Panel Removal 18

6.3 Temperature Controller Replacement 18

6.4 Control Sensor Replacement 18

6.5 Solid-state Relay Replacement 20

6.6 Fuse Replacement 20

6.7 Element Replacement 20

7.0 Fault Analysis 21

A. Oven Does Not Heat Up 21

B. Oven Overheats 21

C. Process Timer 22

8.0 Wiring Diagrams 23

8.1 WV-11-00 23

8.2 WV-11-01 24

9.0 Fuses and Power Settings 25

9.1 Fuses 25

9.2 Power Settings 25

10.0 Specifications 26

10.1 Environment 26

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.

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

Remove the shelves, runners and hangers from the packaging before installing the

equipment.

When unpacking and handling the product, always lift it by its base. Do not use the door

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

Use two or more people to carry the product where possible.

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, runners and hangers as required.

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.

2.0 Installation

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.

If the over-temperature option is not fitted, ensure that the unit can be directly

observed.

2.2.1 Shelf Fitting

Runner Shelf

To fit the shelves:

1. Insert the runner into the slots in the side of the oven chamber, as shown in fig-

ures 1 and 2

2. Rotate the runner downwards by 90° so that the runner hooks into place and cre-

ates a level surface upon which the shelf can securely rest, as shown in figures 3

and 4

3. Repeat this process on both sides of the oven chamber

4. Slide the shelves onto the runners so that the spur is positioned on the underside

of the runner towards the back of the chamber (see figure 5). This will prevent the

shelf from tilting forwards when it is partially withdrawn

Figure 1:

Runner

Figure 2:

Runner inserted into slots in the side of

chamber

2.0 Installation

Figure 3:

Rotating runner into position

Figure 4:

Runner in position

Figure 5:

Shelf resting on runners with spur at rear of chamber

(highlighted in green)

Figure 6:

Shelves fitted

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. A table of the most common fuse ratings is also given towards the back of this

manual. 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.

If the product is to be connected by line plug. The plug should be within reach of the

operator and should be easy to remove.

When connecting the product to an isolating switch ensure that both conductors (single

phase) or on all live conductors (three phase), and should be 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 L Brown to live

to either power

conductor

(For USA 200-240V,

connect L1)

N 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:

2.0 Installation

3.0 R38 Controller

3.0 R38 Controller

3.1 PID control

This controller uses PID (Proportional Integral Derivative) temperature control. This

type of control uses a complex mathematical control system to adjust the heating

power and achieve the desired temperature.

3.2 Controller Operation

When switched on, the controller lights up, goes through a short test routine and then

displays the measured temperature and starts to control. The output light OUT1

indicates when heating is occurring.

To alter the setpoint, press the down arrow key once, “SPI” flashes. Then use the up

and down arrow keys to adjust the setpoint. Press the P key to accept.

3.3 R38 Over-Temperature Controller

When an R38 Controller is fitted to be used as an over-temperature controller, to

configure the setpoint:

lPress and hold the 'P' key until the display flashes 'SP'.

lPress the 'down' arrow key until the display shows 'AL'.

lPress the 'P' key to enable the setpoint option.

lUse the 'up' and 'down' arrow keys to select the required setpoint. The display will

flash between 'AL' and the setpoint value during this process.

lOnce you have input the required setpoint, press the 'P' key, followed by the 'U' key

to accept.

lThe display will flash 'AL' for 30 seconds before the setpoint is accepted.

Note that if the 'P' and 'U' keys are not pressed, the setpoint will be automatically

accepted after 30 seconds.

Over-Temperature Alarm

If the over-temperature alarm is tripped, then the 'OUT2' and 'AL' lights will illuminate in

the bottom right-hand corner of the controller.

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