VERDER CARBOLITE GERO MFS Series Handbuch

Installation, Operation and Maintenance Instructions

200°C Minimum Free Space Oven - MFS Model: MFS1 ISO/ASTM

2416 Controller

MFS1 ISO/ASTM + 2416 Controller

MEN-MFS1-002_2416 (03-09-2020)

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

2.3 Electrical Connections 6

2.4 Gas Supply 7

2.5 Desiccator (if supplied) 8

3.0 2416 Controller 9

3.1 Description 9

3.2 Operation 11

3.3 Programming 13

3.3.1 Programming Tips 13

3.3.2 Multi-program model (2416P8) 14

3.3.3 Holdback 14

3.3.4 Program Cycling 14

3.3.5 Running a Program 14

3.3.6 Program example 15

3.4 Controller Options 16

3.4.1 Digital Communications - RS232 16

3.4.2 Digital Communications - RS485 16

3.4.3 Comms Address 16

3.4.4 Alarm Option 17

3.5 Temperature Controller Replacement 17

3.6 Navigation Diagram 18

4.0 2132 Over-Temperature Controller Description (if fitted) 19

4.1 Description 19

4.2 Operation 19

4.2.1 Controls 19

4.2.2 Operation 20

4.2.3 Over-Temperature Operation 20

4.2.4 Over-Temperature Alarm 20

4.2.5 Resetting the Over-Temperature Alarm 20

4.2.6 Sensor Break 20

4.3 Audible Alarm 21

4.4 Navigation Diagram 21

5.0 Operation 22

5.1 Operating Cycle 22

5.2 Operator Safety 22

6.0 Maintenance 23

6.1 General Maintenance 23

6.2 Maintenance Schedule 23

6.2.1 Cleaning 25

6.3 Calibration 25

6.4 After-Sales Service 25

6.5 Recommended Spare Parts and Spare Parts Kit 25

6.6 Power Adjustment 25

7.0 Repairs and Replacements 26

7.1 Safety Warning - Disconnection from Power Supply 26

7.2 Safety Warning - Refractory Fibre Insulation 26

7.3 Temperature Controller Replacement 26

7.4 Solid-State Relay Replacement 27

7.5 Thermocouple Replacement 27

7.6 Element Replacement 27

7.7 Fuse Replacement 28

8.0 Fault Analysis 29

A. Oven Does Not Heat Up 29

B. Oven Overheats 29

9.0 Wiring Diagrams 30

9.1 WV-11-00 30

10.0 Fuses and Power Settings 31

10.1 Fuses 31

10.2 Power Settings 31

11.0 Specifications 32

11.1 Environment 32

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.

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 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.

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.

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

disconnected from the electrical supply.

Each chamber is fitted with an air guide (a horizontal plate dividing the top from the

bottom), and a sample tray (in the lower part of the chamber). Ensure that these items

are present. Do not remove the guide - it is required for correct gas flow within the unit.

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:

2.4 Gas Supply

The MFS/1 ISO is intended to be used with nitrogen gas and is fitted with nitrogen

flowmeters.

The MFS/1 ASTM is intended to be used with air and is fitted with air flowmeters.

There are two gas connections at the back of the product. The upper gas connection is

the gas inlet; the lower gas connection is the gas outlet.

The maximum gas supply pressure must be regulated to 200 mbar (0.3 psi).

There are two flowmeters mounted in the control panel. The left hand flowmeter is

used to adjust the flow rate of the gas passing into the oven chamber. The incoming

gas passes through this flowmeter then into the heated chamber. The gas enters the

upper part of the chamber behind the air guide where it is pre-heated and brought to

the front of the chamber. The gas then enters the portion of the chamber that contains

the test samples flowing over and around the samples and exiting at the back of the

chamber.

The flowmeter on the right is only used to test for leaks in the MFS/1 gas flow. The gas

exiting the chamber passes through the valve positioned at the back of the product

labelled “OFF/ TEST”. The normal operating position for this valve is “OFF”. With the

valve in this position the outlet gas passes directly from the chamber to the gas outlet

connection. With the valve in the position “TEST” the gas exiting the chamber passes

through the right hand flowmeter before passing to the gas outlet. With the valve in the

“TEST” position the flow rates of both flowmeters should be equal. If the flowmeter on

the right shows a lower flow rate this indicates there is a gas leak; check the door is

sealed correctly as this is the most likely cause for a leak.

Do not leave the valve in the “TEST” position longer than is necessary to carry out the

leakage check; otherwise water vapour will build up inside the right hand flowmeter.

2.5 Desiccator (if supplied)

The optional desiccator is designed for separate use and is not connected to the oven in

any way. It is used for cooling the sample. Gas inlet and outlet are provided so that

nitrogen can be passed over the cooling sample.

The maximum gas supply pressure must be regulated to 1 bar.

3.0 2416 Controller

3.1 Description

This manual applies to the 2416, 2416CG and 2416P8 controllers.

Special customer requirements may result in changes to the available parameters and

the navigation diagram. It is not possible to list all the possibilities in this manual.

2416CG Controller

The Eurotherm model 2416CG is a digital instrument with PID control algorithms which

may be used as a simple controller or an 8-segment programmer. The 2416P8 is an

eight-program model in which the programs can be stored independently or can be

linked by a “call” parameter to form a single long program.

The 2416 Controller features:

lEasy use as a simple temperature controller, where on setting the required tem-

perature the controller immediately attempts to reach and maintain it. Fig.1 indic-

ates the type of temperature response when used in this way.

lBy using one program segment, the control can be extended to include ramp-to-set-

point. Fig.2 shows the effect.

lAlternatively, the 2416 Controller may be used as an 8-segment programmer, with

each segment being a "Ramp", a "Step", a "Dwell", or "End". The program can be

set to cycle if required. See fig. 3.

lOptional “modules” are available, in particular:

lRS232 and RS432/485 digital communications modules;

lAnalogue communication modules;

l“PDSIO” modules for communication with other controllers of similar or higher spe-

cification, for example, to allow cascade control;

lAlarm modules, which can be used to drive visible or audible alarms, or to provide

volt-free contacts for customer use.

Fig 1 -Simple Control

Fig 2 - Control with Ramp-to-

Setpoint

Seg 1 = Ramp

Sep 2 = End (Dwell)

Fig 3 - A Program

Key

T1 Temperature

T2 Time

SP Setpoint

AT Actual Temperature

WSP Working Setpoint

R Ramp

D Dwell

S Step

E End

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