Heidolph Hei-TORQUE Core User manual

Leading Safety Standards Superior Ease of Use Reduced Cost of Ownership
Powerful
Stirring
Operating Instructions
Overhead Stirrers Hei-TORQUE
Operating instructions must be read before initial start-
up. Please follow the safety instructions provided.
Please keep for future reference.

Contents
Inhaltsverzeichnis
Safety Instructions 4
Version and variants ...........................................................................................4
About this manual ..............................................................................................4
Terms and signs used..........................................................................................5
Safety Instructions 6
General safety instructions...................................................................................6
EC Declaration of Conformity.........................................................................6
Intended use...............................................................................................6
Installation / Electrical safety .......................................................................7
Personnel qualication..................................................................................7
Operating company’s obligations...........................................................................7
Installation site ...........................................................................................7
Changes to the unit .....................................................................................8
Safety for the personnel ...............................................................................8
Safety during use ...............................................................................................8
Disposal ............................................................................................................8
Device Description 9
Device overview .................................................................................................9
Hei-TORQUE Value overall view......................................................................9
Hei-TORQUE Value control panel ....................................................................9
Start Up 10
Power cord ......................................................................................................10
Connect/disconnect power cord ...................................................................10
Switch unit on and off .......................................................................................10
Operation 11
Rotation ..........................................................................................................11
Speed range and speed adjustment .............................................................11
Switch rotation on and off..................................................................................12
Speed range settings ........................................................................................13
Attach impellers ...............................................................................................14
Open chuck...............................................................................................14
Close chuck ..............................................................................................15
Shaft guard .....................................................................................................16
Attach shaft guard .....................................................................................16

Contents
Cleaning and Maintenance 17
Cleaning..........................................................................................................17
Maintenance ....................................................................................................17
Troubleshooting 18
Malfunctions and clear up ..................................................................................18
Assembly 19
Install support rod ...........................................................................................19
Electrical connections........................................................................................20
Disassembly and Storage 21
Dismantling, transportation and storage ..............................................................21
Dismantling ..............................................................................................21
Transportation and storage .........................................................................21
Accessories and Spare Parts 22
Scope of delivery..............................................................................................22
Accessories......................................................................................................22
Attachments 23
Technical data ..................................................................................................23
Service 25
Contact / Technical Service ................................................................................25
Warranty .........................................................................................................26
Conrmation of condition of unit.........................................................................27

About this Document
4
Safety Instructions
Version and variants
Version
This manual describes the function, operation and maintenance of the stirrer
Hei-TORQUE.
Version Alteration date
1.0 02/2015
Variants
The units are available in different con gurations. Certain features and functions apply to
speci c con gurations only. The varieties are documented in this manual.
About this manual
These operating instructions are a component of the device described here.
➜Please read this manual carefully and obey all safety and warning
notices.
➜Ensure that every operator reads this manual.
➜Ensure that this manual is accessible for every operator.
➜Pass on the operating instructions to the subsequent owner.
For the current version of this operating manual in pdf format, please
go to:
http://www.heidolph-instruments.com/Support/Operation Manuals/
Hei-Torque
In addition please observe the regional regulations.

5
About this Document
Terms and signs used
In this manual you will  nd standardized terms and signs to warn you of possible dangers
or give important hints. Please take special notice to these signs to avoid personal injury
or damage to the appliance.
The following terms and type of signs (basic drawing elements) are used:
Symbol Additional term / Description
Warning signs The yellow triangle indicates hazardous situations. It is used in
combination with the following terms:
DANGER:
Indicates a hazardous situation which, if not avoided, will result in
irreversible injury or death.
WARNING:
Indicates a hazardous situation which, if not avoided, could result in
serious injury or material damage.
CAUTION:
Indicates a hazardous situation which, if not avoided, may result in a
minor injury or material damage.
Prohibitory
signs
Not to do:
The red circle indicates a situation that should be avoided under all
circumstances to avoid injury or damage.
Mandatory
signs
To do:
The blue circle indicates an important information. Please obey to
avoid property damage.
Other signs used
Symbol Description
➜Handling instruction, action required
✓Result of action
▪
▪
▪
List of information
a.
b.
c.
List of variants

Safety Instructions
6
Safety Instructions
General safety instructions
EC Declaration of Conformity
This device complies with the following EG-Directives*:
▪2006/42/EC Machinery Directive
▪2014/35/EU Low-Voltage Directive
▪2014/30/EU Electromagnetic Compatibility Directive
*Also see attachment “EC Declaration of Conformity”.
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 ensure the operating instructions are available at all times.
The device may only be used under the following circumstances:
➜Only operate the device, if it is in full working order.
➜Ensure all operators of the device possess the necessary safety and risk awareness.
➜Operate the device according to the instructions stipulated in this manual only.
➜If there is something you do not understand, or certain information is missing, ask
your manager or contact the manufacturer.
➜Do not do anything on the device without authorization.
➜Only use the device according to its intended use.
Intended use
The device is intended for use by trained and authorized personnel only.
The device is suitable for the
following use:
▪stirring
▪mixing
▪blending of solvents and/or solids
The operation for the device
is suitable in one of the
following locations:
▪in any research application
Improper use
Any use which deviates from the devices 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.

7
Safety Instructions
Installation / Electrical safety
▪The device may only be connected when the mains voltage corresponds to the infor-
mation on the type plate of the unit.
▪The mains connection must be accessible at all times.
▪Repairs may only be performed by a qualied electrician.
Personnel qualication
▪The device may only be operated by qualied persons.
▪The device may only be operated by individuals who have been instructed in its
proper use by qualied persons.
▪The device may only be operated and maintained by persons who are of legal age.
▪Other personnel may only work with the unit under continuous supervision of an
experienced qualied operator.
▪This manual must be read and understood by all persons working with the device.
▪The personnel must have received special safety instructions in order to guarantee
responsible and safe work procedures.
Operating company’s obligations
Installation site
▪The device must be positioned in a suitable location.
▪The device must be installed sufciently stable.
▪All screw connections must be securely tightened.
▪Installation and operation of the device is only permitted in facilities which are tted
with the appropriate laboratory equipment (e.g. with air extraction units).
▪We recommend operation in fume hood enclosures.
Depending on the medium used:
➜Only operate the stirrer in conjunction with an extractor hood (at least 10-fold air
change, with error monitoring), see DIN EN 14175 and DIN 12924.

Safety Instructions
8
Changes to the unit
▪No unauthorized changes may be made to the unit.
▪No parts may be used which have not been approved by the manufacturer.
▪Unauthorized changes result in the EC Declaration of Conformity losing its validity,
and the appliance may no longer be operated.
▪The manufacturer is not liable for any damage, danger or injuries that result from
unauthorized changes or from operating the unit other than described in this manual.
Safety for the personnel
➜Ensure that only qualied personnel operate the device.
➜Observe the following regulations:
- Laboratory guidelines
- Accident prevention regulation
- Ordinance on Hazardous Substances
- Other generally accepted rules of safety enigeering and occupational health
- Local regulations
Safety during use
➜Wear the appropriate protective clothing when working on the device (protective
glasses and if necessary, safety gloves).
➜Do not use the device in potentially explosive areas. The device is not protected
against explosion. There is no explosion or ATEX protection available.
➜Do not operate or assemble devices in the vicinity which are emission or radiation
sources (electromagnetic waves) for the frequency range (3×1011 Hz to 3×1015 Hz).
➜Avoid putting pressure on the display when you do not operate the device.
➜Eliminate errors immediately.
➜Do not use abrasive material to clean the glass surfaces. Only wipe with damp cloths.
➜Always switch the mains off after use.
Disposal
➜Check the device components for hazardous substances and solvents.
➜Clean all components before disposal.
➜Dispose of the device according to the valid national legal regulations.
➜Dispose of the packaging material in accordance to the valid national legal
regulations.

Device Description
9
Device Description
Device overview
Hei-TORQUE Value overall view
On/Off switch rotation
Speed adjustment
Display
Gear stage setting
(only
Hei-TORQUE Value 400 /
Hei-TORQUE Precision 400)
Chuck
On/Off switch
Hei-TORQUE Value control panel
Torque performance
Set rotation speed
Actual rotation speed
Gear stage
Gear stage (only
Hei-TORQUE Value 400 /
Hei-TORQUE Precision 400)

Start Up
10
Start Up
Power cord
Connect/disconnect power cord
Connect power cord to unit
The plug comes with a yellow clip on the
bottom side to ensure a rm attachment.
PlugPower cord Clip
➜Connect the plug to the socket on the
back side of the unit with the yellow
clip pointing downwards.
✓The plug is securely attached once the
yellow clip clicks in place.
Socket
Connect plug to ground socket
➜Connect the power cord on the other side to the electrical ground socket.
Disconnect power cord
➜Press the yellow clip on the downside of the plug and hold it in this position.
➜Pull the plug simultaneously out of socket of the unit.
Switch unit on and off
Switch unit on
➜Press the on/off button.
✓The button locks in.
✓The display is illuminated.
✓The screen displays a short animation
on how the rotation is switched on.
✓The according touch panel ashes for
2 seconds.
Switch unit off
➜Press the on/off button.
✓The display powers off.
On/Off switch

Operation
11
Operation
Rotation
Speed range and speed adjustment
The speed range varies from:
▪40 – 2,000 rpm’s for the Hei-TORQUE Value models
▪5 – 2,000 rpm’s for the Hei-TORQUE Precision models
(For more details see chapter „Technical data”.)
The overhead stirrer operates clockwise.
Speed adjustment
➜Turn control knob clockwise.
✓The speed increases.
✓The speed setting is documented on
the display under „set rotation speed”.
➜Turn control knob counter-clockwise.
✓The speed decreases.
The knob is attached to the panel
magnetically. The speed can be adjusted
without the knob by rotating your nger
on the touch screen.
As soon as the knob is removed a diagram
is displayed for 3 seconds showing how to
change parameters without the knob.
➜Adjust the rotation speed by rotating
your nger clockwise to increase or
counter clockwise to decrease the
speed.

Operation
12
Switch rotation on and off
Warning:
Risk of injury!
Rotating items may partly injure the operator if in contact with hair,
clothing, jewelry and other items.
▪Never touch any rotating parts.
▪Don’t wear clothing belts, ties which may get gripped by rotating
parts.
▪Don’t wear long necklace or bracelets.
▪To protect long hair please wear a cap.
Warning:
Risk of poisoning!
Depending on your application stirring may result in a chemical
reaction which sets free dangerous gas.
Operate the unit eventually behind a closed and ventilated fume
hood.
Depending on viscosity, speed and volume media may splash after
switching on the unit.
Initially choose a low speed range and increase rpm step by step.
Switch rotation on
➜Touch the panel with one  nger and
move from left to right .
✓The unit starts rotation.
✓Rotation speed ramps up in a short
period until it has reached the pre-pro-
grammed rpm-settings.
Switch rotation off
➜Touch the panel with one  nger and
move from right to left .
✓Rotation stops.
Adjust speed
At any time during operation turn the control knob clockwise or counter-clockwise to
adjust speed.

Operation
13
Speed range settings
(only available for Hei-TORQUE Value 400 and Hei-TORQUE Precision 400)
To ensure constant speed under changing loads you can choose between two gear
settings.
Caution:
Possible transmission failure
Gear transmission can be damaged if you switch between gear stage
I and II during operation.
Switch gear stage only if the unit is not in operation.
✓Rotation is switched off.
➜Touch the gear stage on the operating
panel.
✓The operating panel will display the
actual gear setting.
✓Touching the button speed settings
will automatically adjust to the lowest
rpm:
▪Gear stage I:
Speed settings
from 40 – 400 rpm
▪Gear stage II:
Speed settings
from 200 – 2,000 rpm
Touch panel
gear stage

Operation
14
Attach impellers
Open chuck
Warning:
Risk of injury!
If the unit is not powered off completely, rotation may start
unexpectedly while opening or closing the chuck. This may result in
serious injuries.
Always switch the unit off when opening and closing the chuck.
The device is switched off.
1. If an impeller is already  xed:
➜Hold the orange ring on the chuck and
turn the black ring counter-clockwise
until the chuck opens.
➜Hold the impeller with one hand and
turn the black ring further counter-
clockwise until the impeller is
completely disconnected from the unit.
2. If no impeller is  xed:
➜Turn the black ring counter-clockwise
until the rod can be moved through
the chuck.
Chuck
Impeller

Operation
15
Close chuck
Warning:
Risk of injury!
If the chuck is not closed properly the impeller may disconnect
during rotation and result in serious injuries.
Impeller is securely attached once the chuck has locked in.
➜Move the impeller upwards until it has
reached an operational position.
➜Hold the impeller with one hand and
turn the black ring clockwise until the
chuck locks in.
Impeller
Chuck
Impeller is securely attached once the chuck has locked in.
Do not close the black ring further. Otherwise the chuck will be hard
to open again.

Operation
16
Shaft guard
To prevent injuries caused by rotating parts a shaft guard can be attached.
(optional accessory P/N 509-08000-00)
To mount the shaft guard use a TORX screw driver T20.
Attach shaft guard
➜Hold the adaptor to the chuck with the
cut-out below the on/off switch.
Cut-out
On/Off switch
✓The two guide aids ensure correct
tting.
Guide aids
Cut-out
➜Attach the adaptor with the two
hexagon socket screws and key
supplied to the bottom side of the
housing and tighten them until it
stops.
Hexagon socket-
screw
and key
➜Attach both knurled screws to the drill
hole on the adaptor.
➜Push the grooves on the shaft guard
alongside the knurled screws until the
screws reach the end of the groove.
➜Tighten both knurled screws to hold
the shaft guard rmly in place.
Shaft guard
Knurled screws
Remove shaft guard
➜Untighten both knurled screws which hold the shaft guard to the adaptor.
➜Turn the shaft guard slightly left and remove it from the stirrer.

17
Cleaning and Maintenance
Cleaning and Maintenance
Cleaning
The chuck and all surfaces of the unit allow for cleaning with a damp cloth and if required
a mild soap lotion.
Attention:
Damage to the surfaces
All surfaces can be damaged by improper cleaning.
In any case do not use:
▪Chlorine bleach or any cleaning agent including chlorine
▪Ammonia
▪Abrasive cleaning agents such as cleaning rags, scrubbing agents
or any other agents which include metal components
Maintenance
The unit is maintenance-free. Any necessary repair must be performed by an authorized
Heidolph distributor.
Please contact Heidolph Instruments or your local Heidolph Instruments distributor.

Troubleshootimg
18
Troubleshooting
Malfunctions and clear up
Malfunctions Possible reason Troubleshooting
Display cannot be
switched on
No power Check size and shape of plug
and compatibility to your
electrical socket.
Rotation stops and
torque display blinks
Overload protection has
switched the unit off
Switch off the device and
allow it to cool down.
▪Reduce rotation speed.
▪Use a different impeller.
If you experience a malfunction which can not be resolved, please contact your authorized
Heidolph Instruments distributor immediately.

Assembly
19
Assembly
Install support rod
On the back side of the unit you will nd a slot to install the support rod.
To install the support rod you require a TORX screw driver T20.
The back support rod allows you to attach
the stirrer to a stand in conjunction with a
2-way clamp or to a wall grid.
Threaded hole
Support rod
Threaded screw
➜Install the support rod in the slot on
the back side of the unit.
Slot on the back
side of the unit
➜Ensure that the threaded hole in the
support rod aligns with the drill hole in
the housing.
Threaded hole
Drill hole housing
➜Secure the support rod with the
threaded screw supplied. Secure with
threaded screw

Assembly
20
Electrical connections
▪This unit must only be connected by a professional electrician.
▪Any repair on this unit must only be carried out by a quali ed specialist.
Warning:
Electric shock!
This unit must only be connected to a grounded electrical socket.
Repairs are allowed by quali ed professionals only.
Any improper repair can result in a dangerous situation. Contact your
local Heidolph Instruments distributor for any repair you may have.
The unit and voltage must match. The type label on the back side of
the unit provides all voltage speci cs.
When shipped, the unit is grounded. In case the original plug is
changed, the new plug must have a protective conductor!
Color code for electrical connections:
Green/Yellow PE: Protective conductor (Earth)
Blue N: Neutral conductor
Brown P: Phase
Black P: Phase
Grey P: Phase
The unit is connected with the power cord supplied to the electrical socket. It plugs into
the housing on the rear side of the unit.
For countries utilizing a plug other than the standard one supplied:
▪The plug supplied may only be changed by a professional electrician.
▪If utilizing an adaptor ensure that it is approved by the local regulations.