Heidolph MR Hei-Standard Quick guide

M1M3_108
Safe Heating and Mixing
Translation of the original operating instructions
Operating instructions must be read before initial start-up.
Please follow the safety instructions provided.
Please keep for future reference.
Magnetic stirrer
MR Hei-Standard, MR Hei-Tec

Overview
MR Hei-Standard
A

Contents
Overview .................................................................................................. B
Scope of supply MR Hei-Standard ......................................................................................................................... D
Scope of supply MR Hei-Tec .....................................................................................................................................E
Key to illustrations ....................................................................................F
Applied standards and guidelines ............................................................. 1
Safety instructions.................................................................................... 1
Device description .................................................................................... 7
Storage & transport .................................................................................. 7
Unpacking the device................................................................................ 7
Installation ............................................................................................... 7
Start-up .................................................................................................... 9
Operation................................................................................................ 11
Stirring............................................................................................................................................................................11
Heating ...........................................................................................................................................................................13
Error codes ............................................................................................. 23
Maintenance ........................................................................................... 25
Cleaning.................................................................................................. 25
Disassembly ........................................................................................... 25
Disposal.................................................................................................. 25
Accessories............................................................................................. 26
Technical data ........................................................................................ 26
Warranty bond........................................................................................ 28
Contact/Technical Service ...................................................................... 28
Confirmation of condition of unit ............................................................ 29
B

MR Hei-Standard
Scope of supply MR Hei-Standard
Accessories (optional)
Scope of supply
MR Hei-Standard
As standard (EU): 505-20000-00 (230 V, 50/60 Hz)
For US: 505-20000-01 (115 V, 50/60 Hz)
For UK: 505-20000-02 (230 V, 50/60 Hz)
For IN: 505-20000-18 (230 V, 50/60 Hz)
+
Power cord
As standard (EU): 14-007-003-81 (230 V, 50/60 Hz)
For US: 14-007-045-10 (115 V, 50/60 Hz)
For UK: 14-007-005-45 (230 V, 50/60 Hz)
For IN: 14-300-009-36 (230 V, 50/60 Hz)
+
Operating instructions
01-005-005-39
C

MR Hei-Tec
Scope of s upply M R He i-Te c
Accessories (optional)
Scope of supply
MR Hei-Tec
As standard (EU): 505-30000-00 (230 V, 50/60 Hz)
For US: 505-30000-01 (115 V, 50/60 Hz)
For UK: 505-30000-02 (230 V, 50/60 Hz)
For IN: 505-30000-06 (230 V, 50/60 Hz)
+
Power cord
As standard (EU): 14-007-003-81 (230 V, 50/60 Hz)
For US: 14-007-045-10 (115 V, 50/60 Hz)
For UK: 14-007-005-45 (230 V, 50/60 Hz)
For IN: 14-300-009-36 (230 V, 50/60 Hz)
+
Operating instructions
01-005-005-39
D

MR Hei-Tec
E

Key to illustrations
MR Hei-Standard (page A, C)
1Hotplate
2Mains switch: Switch device on/off
3Speed control knob: Set set speed
4LED I/O: Device on/off
5Heating button: Switch heating function on/off
6LED light for heating function: Device heats up/does not heat up
7Temperature control knob: Set set temperature
8Drill hole for support rod with protective cap
9Temperature sensor socket
10 Power plug
11 Support rod
12 Temperature sensor Pt 1000
13 Attachment with cable inlet
MR Hei-Tec (page D, E)
1Hotplate
2Mains switch: Switch device on/off
3Control panel
4Rotary-push button Hei-GUIDE: Set and determine the set speed/set temperature
5Heating button: Switch heating function on/off and switch between Fast-/Precise-Mode
6Stirring button: Switch stirring function on/off
7Display
8set rotation: Indicates the set speed
9Stirring symbol: The device is stirring
10 Rotation speed and mode: Displays actual speed/set speed and Fast-/Precise-Mode
11 set temp: Indicates the set temperature
12 set temp ext: Indicates the set temperature and temperature control using the temperature sensor
13 ext: Indicates the temperature control using the temperature sensor
14 Heating symbol [flashing]: Is shown when heat energy is supplied
15 Temperature: Displays actual temperature/set temperature and Fast-/Precise-Mode
16 Selection frame: Highlights the pre-selected value
17 Drill hole for support rod with protective cap
18 Temperature sensor socket
19 Power plug
20 Support rod
21 Temperature sensor Pt 1000
22 Attachment with cable inlet
F

1
Applied standards and guidelines
NOTICE
EC declaration of conformity
See the "EC declaration of conformity" enclosed.
Safety instructions
WARNING
Risk of injury due to failure to observe safety signs and safety in-
structions!
Dangers emerge when safety signs, located on the device, are not ob-
served or when safety instructions detailed in the operating instructions
are not followed.
Please note the safety signs.
Please carefully read and observe the safety instructions provided.
Warning notices
The design of warning notices is based on a combination of signal words and continuous text.
In this way, the signal word indicates the level of risk. The following table explains the significance of each of
the signal words.
Signal word
Meaning
DANGER
DANGER indicates a hazardous situation which, if not avoided, will result in death or seri-
ous injury.
WARNING
WARNING indicates a hazardous situation which, if not avoided, could result in death or
serious injury.
CAUTION
CAUTION indicates a hazardous situation which, if not avoided, may result in minor or
moderate injury.
NOTICE
NOTICE indicates a property damage message
The warning notice also provides information on the type and source of the danger, the possible consequences
of the danger and measures to prevent any danger arising. The following example warning notice indicates
the design of a warning notice.
DANGER
The type and source of the danger are displayed here!
Here, the possible consequences are described when no measures are taken to prevent
dangers occurring.
Here, the measure for risk prevention is specified.
Other symbols used in these operating instructions provide information on the handling instructions. The fol-
lowing table explains the use of each symbol.
Symbol
Use
Explanation

Handling instructions
Here, you are required to take action.
1.
2.
3.
Handling instructions, multi-step
The handling instructions must be carried out in the
sequence specified. Deviations from this sequence
may lead to damage to the device or accidents.

2
General safety instructions
The device has been constructed according to state-of-the-art technology and recognized safety regulations.
However, risks may still arise during installation, operation and maintenance.
Please observe the safety instructions and warning notices.
The safety instructions provided in this chapter are supplemented by specific warning notices in the following
chapters. This warning notice explains exactly how you must behave in order to protect yourself, others and
objects from damage.
These operating instructions are a component of the device described here.
Please ensure the operating instructions are available at all times.
Please pass on the operating instructions to the subsequent owner.
The device may only be used under the following circumstances:
The device is in full working order.
The device is used according to its intended purpose.
All operators of the device possess the necessary safety and risk awareness.
The instructions stipulated in this instruction manual are followed.
Errors must be eradicated immediately; especially those which jeopardize safety.
Intended use
The device is a magnetic stirrer with a heating function, suitable for continuous operation. The device stirs
and/or heats substances in a container. A magnetic stir bar, which is guided by a magnet, moves to adminis-
ter stirring.
A suitable operating location for the device is one of the following areas:
Chemical and biological laboratories in industry and universities
In order to use the device according to its intended use, please also observe these operating instructions, the
safety instructions and the instructions provided for cleaning (see chapter "Cleaning").
Uses not permitted
Any use which deviates from the device's intended use is considered to be improper. The manufacturer does
not accept liability for any damages resulting from non-permitted uses. The risk is carried by the operator
alone.
Do not use the device in potentially explosive areas. The device is not protected against explosion.
Do not insert any objects into the area between the hotplate, the cover plate and the base of the device.
Do not cover the ventilation slots.
Use in potentially explosive areas
Do not use the device in potentially explosive areas. The device is not protected against explosion. There
is no explosion or ATEX protection available.
Operating company’s obligations
Only operate the device in full and proper working order.
Ensure that only qualified personnel operate the device.
Ensure that the personnel has received safety instructions in order to guarantee responsible and safe work
procedures in the laboratory.
Ensure that the device is positioned in a suitable location.
Ensure that the device is sufficiently stable.
Ensure that installation and operation of the device is only carried out in facilities which are fitted with the
appropriate laboratory equipment (e.g. with air extraction units).

3
Operating personnel’s obligations
Ensure that work which uses naked flames is not carried out in the vicinity of the device (risk of explo-
sion).
Ensure that the flow rate when removing liquids with flammable materials remains at < 1 m/s (electro-
static charge; risk of ignition).
Ensure that gases classified in explosion group IIC are not produced by materials or during chemical reac-
tions, e.g. hydrogen.
Ensure that no devices are operated or assembled which are emission or radiation sources (electromag-
netic waves) for the frequency range (3×1011 Hz bis 3×1015 Hz).
Ensure that no devices are operated or assembled which constitute emission or radiation sources for ioniz-
ing radiation or in the ultrasonic range.
Ensure that no adiabatic compression or shock waves occur (shock wave combustion).
Please wear the appropriate protective clothing when working on the machine (protective glasses and if
necessary, safety gloves).
Ensure that sufficient heat transfer media are used.
Ensure that the correct heat and cold protection is used in relation to the media implemented.
Please avoid putting pressure on the display.
Personnel qualification
The target group for this device is qualified personnel. The device may only be operated by individuals who
have been instructed in its proper use by qualified personnel.
NOTICE
Operating instructions
These operating instructions must be followed, read and understood by all persons work-
ing on the device (acknowledgment of the safety instructions is particularly important).
Safety-conscious operation
Heidolph Instruments does not accept liability for personal injury or damage to property which may result
from improper and unprofessional working procedures.
The following regulations must be observed:
laboratory guidelines
accident prevention regulations
the Ordinance on Hazardous Substances
other generally recognized regulations of safety engineering and industrial medicine
local regulations
Safety devices on the unit
The safety circuit switches itself off under the following circumstances:
The preset hotplate temperature (set value) is exceeded by the safety temperature (max. 25 °C) (only for
MR Hei-Tec in Precise-Mode).
The hotplate temperature measured (actual value) is greater than 360 °C.
Sensor break or sensor shorted in the temperature sensor of the safety circuit.
Sensor break or sensor shorted in the temperature sensor of the control circuit.
Sensor break or sensor shorted in the safety circuit of the external temperature sensor.
Sensor break or sensor shorted in the control circuit of the external temperature sensor.
The sensor difference is too great.

4
Information on the device
Note
Meaning
Name plate (example: MR Hei-Tec)
Warranty seal
Warning
Before opening the box
disconnect power plug.
Warnung
Vor dem Öffnen des
Gehäuses Netzstecker ziehen.
Note: please disconnect the connection to the power
supply before opening the device.
Ground symbol
Hot surface
Contact thermometer terminal assignment

5
Residual dangers
Despite all precautions taken, residual risks can emerge which may not be immediately obvious! Adhering to
the safety instructions, the intended use and the operating instructions as a whole can reduce residual risks!
WARNING
Risk of slipping!
Risk of injury.
After operation or in the event of malfunctions, there may be liquid on the floor close to
the machine.
Watch out for any wet spots and clean the floor if necessary.
WARNING
Errors!
Risk of injury.
Malfunctions or operating states that may jeopardize the safety of operat-
ing personnel require the device to be brought to a standstill by discon-
necting the power supply.
Proper restoration of the machine's intended state is necessary.
WARNING
Hot surfaces!
Risk of scalding and burns.
Allow the hotplate and accessories to cool down.
Allow liquids and sampling media to cool down.
WARNING
Rotating magnetic field!
Potential health hazard for pacemaker wearers.
There is a risk that the magnetic field can disrupt the functions of the
pacemaker.
Keep pacemaker wearers away from the device.
DANGER
Danger to life due to dangerous voltage!
Risk of serious injury.
Electrical residual energy remains in lines, equipment and devices after
shutting down the device.
Point out the power sockets to the operating personnel. Disconnect the
power plugs from the energy source in order to establish zero poten-
tial.
Only allow qualified electricians to perform work on the electrical sup-
ply system.
Disconnect the device from the power supply. Regularly check the
electrical equipment (mains cables) of the device.
Replace damaged mains cables. Regularly check all cables for damag-
es during repair and maintenance work.
Only set up or disconnect connections when disconnected from the
power supply.
DANGER
Risk of injury or danger to life due to failure to observe the safety instructions
and safety clearance!
Risk of injury.
Risks arise due to failure to observe the safety instructions and the safety clearance for
the device.
Follow all safety instructions and signs provided on the device and in these operating
instructions. Maintain the appropriate safety clearance distance from the device.

6
WARNING
Unauthorized access is prohibited!
Risk of injury.
Risks arise if unauthorized persons enter the danger zone of the device.
The operator is responsible for ensuring that unauthorized persons (e.g. visitors) do
not have access to the danger zones (service area, protected areas).
DANGER
Failure to observe the danger zone, work area and service area!
Dangers are posed by electrical and mechanical energies, as well as by
residual dangers.
Please ensure a safety clearance distance of 50cm around the test
setup.
Do not place or store any objects in the work or service area.
Deposit accessories, chemicals or tools in such a way that no dangers
arise for the personnel.
DANGER
Glass breakage!
Risk of injury.
When using glass attachments, there is a risk of glass breakage.
Monitor pressure conditions in the glass attachment.
Avoid negative pressure higher than the permissible pressure level for the glass at-
tachment.
DANGER
Risk of fire and explosion!
Serious risk of fire and explosion.
There is a risk of fire and explosions in the vicinity of the device. Smoking,
naked flames and fire are strictly forbidden in the vicinity of the device.
Do not store any flammable liquids in the danger zone of the device. A
fire extinguisher must be kept in the vicinity of the device.
Avoid potential sources of ignition such as flammable atmospheres,
reactions or electrostatic charges.
Avoid exothermic reactions or the spontaneous combustion of dust.
Avoid adiabatic compression and shock waves.
Take special care with reactions of explosion group IIC for which hy-
drogen can be released.
DANGER
Danger when extinguishing fires!
Risk of serious injury as a result of chemical reactions.
Risk of chemical absorption.
Vigorous reactions with the medium can occur if water is used to extin-
guish the fire.
Do NOT use water to put out the fire.
Use extinguishing agents which do not react with the medium.
Please observe the fire protection regulations and the fire extinguishing
instructions they provide.

7
Device description
The device is a magnetic stirrer and has the following functions:
Stirring of substances.
Heating of substances.
Stir and/or heat the substances in a heat-resistant stirring container, with the underside on the hotplate. Set
the stirring speed and heating temperature individually using the operating elements.
Storage & transport
CAUTION
Damages as a result of improper transport!
Damage can be caused to the device and the device mechanics in the
case of improper transport.
Avoid jolting and impacts.
Do not store equipment in box while hot.
Store and transport the device in the original packaging.
Seal the packaging with adhesive tape.
Store the device in a dry location.
To carry the device, lift it from below.
Unpacking the device
1. Unpack the device and if necessary, remove any protective films.
2. Check scope of supply.
Has the device been damaged or is delivery incomplete?
Please inform Heidolph Instruments.
Installation
Device
CAUTION
Toppling of the device with attachment!
Risk of injury and damage to the enclosure.
Place the device on a flat, solid, temperature-resistant and dry sur-
face with sufficient space.
Use suitable lifting equipment.
WARNING
Hazardous materials and solvents!
When handling hazardous materials and solvents, chemicals can be re-
leased into the atmosphere.
Do not expose operating personnel to harmful vapors or gases. Ex-
tract waste air using a vapor outlet.
Ensure that the separator for the power supply is easily accessible at
all times.
Double-check if components are damaged.
Double-check setup.

8
Accessories (optional)
Temperature sensor Pt 1000
(DIN EN 60751, Class A)
NOTICE
Immersion depth of temperature sensor
Immerse the temperature sensor in the medium by at least 20 mm. Otherwise inaccu-
rate measurements are possible.
The temperature sensor Pt 1000 measures and regulates the temperature of the heated medium.
1. Switch off the device.
2. Connect temperature sensor.
Heat-On block
Securely position the heat-on block.

9
Heat-On 5 liter block (when using a support rod)
Mount support rod with an extension arm.
Start-up
CAUTION
The mains voltage and specification of the mains voltage on the
name plate do not coincide!
Damage to property as a result of overvoltage.
Please ensure that the mains voltage coincides with the voltage speci-
fied on the name plate.
CAUTION
Unintentional switch-on of the device!
Injury and burns to the hands.
Switch off the device.
Remove the mains plug after use.
Safely lay all mains cables and connecting cables.

10
DANGER
Risk of electric shock or a short circuit!
Risk of electric shock or short circuit due to melted insulation
Ensure that all mains cables, pipes and connecting cables have been
laid correctly in the area where heat is generated.
1. Switch off the device.
2. Insert device connection cable in the mains
power plug.
3. Insert device connection cable in the power sup-
ply socket.
4. Switch on the device.
NOTICE
Stirring and heating functions are not active
The stirring and heating functions are not active after the device has been switched
on.

11
Operation
Stirring
MR Hei-Standard
NOTICE
Start stirring function
The stirring function starts from a speed of 100 rpm. You can adjust the speed up to a
speed of 1400 rpm.
1. Set set speed.
Example: 100 rpm

12
MR Hei-Tec
1. Set set speed.
Example: 150 rpm
Stirring function
switched on?
If you have already
switched on the stir-
ring function at this
point in time, the
appliance adjusts to
the set value imme-
diately.
Acceptance of the
set value
The set value is ac-
cepted automatically
after a few seconds
or by pressing the
rotating push button
Hei Guide.
M3M4_27