WLD-TEC gasprofi 1 SCS micro User manual

The smallest
laboratory gas burner
with more safety
EN
Instruction manual
DIN30665, part1
gasprofi 1 SCS micro

1 - Function knob
2, 2a- Dual knob: 2 - Gas adjustment
2a - Air adjustment
3 - LED Standard
4 - LED StartStop
5 - LED Sensor
6 - IR-Sensor
7 - LED Button
8 - LED Burner head HOT / BHC
9 - Burner head
9a - Flame orifice
10
11 12
13
18
19
20
17
21 21
10 - Connector for foot pedal
11 - Power connector for 9 V DC
12 - Gas inlet R 1/4“ L
13 - Holding device for
inoculation loop holder
14 - Burner head screw
15 - Monitor electrode
16 - Ignition electrode
17 - Active nozzle
18 - Nozzle holder for
alternative gas
19 - Cover of the burner
shaft
20 - Retaining screw for
cover of the burner shaft
20a- Position screw for the
cover
21 - Guide slots for
tilt adjustment
20a
4
6
2a 2
5
9
1
9a
3
7
8
14
16
15

Read these instructions carefully to familiarize yourself with the product. Please retain
these operating instruction for future reference.
Use: Safety laboratory gasburners for heating and flame sterilizing. Ideal for use in
cleanroom workbenches and the laboratory.
WARNING: DO NOT LEAVE THE ACTIVATED LABORATORY
GAS BURNER UNATTENDED!
SAFETY PRECAUTIONS:
•On unpacking the unit, check for possible transportation damages. Do not operate
the unit if damages are visible.
• After use or for any longer period of time without attendance, turn the main gas
supply off and turn off the gas burner at the function knob (1).
•Pay attention to your relevant rules for using liquid gas.
•Only use DVGW safety tubings with thread or tubing connectors. Check the
condition of the tube/hose frequently. Depending upon type of tube/hose, hose
clamps are required.
• All gas connections must be adequately tightened with two wrenches. Ensure gas
proofness with a suitable test fluid / equipment. DO NOT seal the swivel nut with
Teflon tape etc.
•Keep hands or other parts of the body away from the burner orifice (9a).
•Do not operate the unit near flammable liquids or hazardous materials.
•Unattended operation of the unit is not permissible.
•Always work in a well-ventilated area.
•Note that the burner orifice (9, 9a) remains hot after the flame has been
extinguished. Do not touch. Can cause burns.
•Allow sufficient time for flame orifice (9a) to cool down prior to
cleaning, desinfecting, servicing or transport. Ensure that the
unit and the gas supply are turned off.
•Because of the connectors at the back of the unit the backside should not be
sterilized with a flame.
•Allow sufficient time for burner head (9) to cool down prior to disassembling.
•Operate the unit with assembled burner head (9) only.
•After cleaning the burner head (9) allow sufficient time to dry before assembling
again.
•Keep substances away from the flame orifice (9a).
•Before mounting a nozzle check the O-Ring (26). Replace the sealing if damaged
or worn.

The range: gasprofi 1 micro SCS Art.-No. 6.004.000
with DoubleClick IR-Sensor and stainless steel foot pedal
adjustable IR-Sensor reaction distance
5 standard programs for button (function knob), IR-Sensor and foot pedal
SCS (Safety Control System), BHC (Burner Head Control)
Removable and decomposable burner head
Tilt mechanism, right / left (24)
Holding device for 3 inoculation loop holders
Nozzles for natural gas, propane/butane gas
Turbo flame
Wrench 17 mm (22) for gas connection
Screwdriver (23) for burner head and
cover of the burner shaft
Schlauchtülle mit Überwurfmutter (25)
Power connection
Instruction manual and 2-year warranty
1. Setup Procedure:
The unit is shipped with the nozzle for natural gas (N) installed.
The nozzle must be changed if other gas is to be used.
Replacement procedure: Remove the Nozzle P from the nozzle holder (18)
with a coin or the edge of the wrench (22) by turning it counterclockwise.
Remove the active Nozzle N for natural gas (17) in the same way
and exchange the nozzles.
ATTENTION: Before mounting a nozzle check the O-Ring (26).
Replace the sealing if damaged or worn (Art.-No. 8.000.010).
Now you are ready to connect the gas supply to the gas inlet (12).
The correct pressure for natural gas is within the range of 18 - 25 mbar,
for propane/butane gas 28 - 57 mbar.
Only use DVGW or other gas approved safety tubings with thread
or tubing connectors (25). Check the condition of the tube/hose
frequently. Depending upon type of tube/hose, hose
clamps are required.
All gas connections must be adequately tightened with
the wrench (22) (SW 17mm, included). Ensure gas proofness
with a suitable test fluid / equipment. Do not seal
up the included tubing connector (25) and swivel nut
with Teflon tape etc.
A DVGW-proven or other gas approved pressure
regulator (50mbar) must be used for liquid gas.
Pay attention to your relevant rules for using liquid gas.
1.1 Foot pedal connection:
Insert the connection cable of the foot pedal into the
socket (10) at the back of the unit.
18
17
26
12
22 23 24 25
10
11

1.2Electricalconnection:
Insert the power cord into the socket (11) on the back panel of the unit, or into the socket of
the foot pedal. The default supply must be connected to a voltage source of 100 - 240 V /
50/60 Hz.
2. Operation: Flame regulation
The flame can be varied in size and intensity by turning the gas knob (2) and adjusting the
air knob (2a) to suit all requirements.
Attention: When operating the unit for the first time or after changing the nozzle, turn the gas
adjustment knob (2) two revolutions to the left and turn the air adjustment knob (2a) 3-4
revolutions to the left, too.
2.1 Operation: On-Off switch, operating mode
Switch the unit on by a short push on the function knob (1). It can be turned off by a long push
( 2 seconds +) on the function knob. By turning the function knob all programs can be selected
and the IR sensor detection range can be adjusted.
2.2 Operation: Application programs
- BUTTON StartStop:
(LED Button is on)
The flame is ignited by operation of the function knob (1). The flame is extinguished after
renewed actuation of the function knob (1).Additionally the flame is automatically
extinguished when the burning timer has expired after 60 min.
- PEDAL Standard:
(LED Standard is on)
The flame is ignited by operation of the foot pedal. The foot pedal remains depressed for the
duration of use. The flame is extinguished upon release of the pedal.
- PEDAL Start-Stop:
(LED StartStop is on)
The flame is ignited by operation of the foot pedal. The flame is extinguished after renewed
actuation of the foot pedal. Additionally the flame is automatically extinguished when the
burning timer has expired after 60 min. Alternatively the flame can be extinguished by a short
push on the function knob (1).

- SENSOR Auto-Off:
(LED Standard and LED Sensor is on)
For flame ignition, activate the DoubleClick IR-Sensor (6) by passing you hand over it twice.
(see paragraph 3)The flame is extinguished automatically when the adjusted burning time
expires (factory setting: 5 sec.). Alternatively the flame can be extinguished by a short push
on the function knob (1).
The burning time can be adjusted with the learn function “SENSOR Auto-Off burning time“
(see paragraph learn function “SENSOR Auto-Off burning time“). To activate the learn
function press the function knob (1) while the application program SENSOR Auto-Off is
selected.
- Learn function “SENSOR Auto-Off burning time“:
(LED Standard is on, LED Sensor blinks slowly)
This learn function is used to adjust the burning time for the application program SENSOR
Auto-Off. To activate the learn function press the function knob (1) while the application
program SENSOR Auto-Off is selected.
Learning the burning time: For flame ignition and to start the time measurement, activate the
DoubleClick IR-Sensor (6) by passing you hand over it twice.
When the needed burning time is reached press the function knob (1) to stop the flame.Thereby
the reached burning time is memorized and the application program SENSOR Auto-Off is
selected again. Now, the memorized time is available for the application program SENSOR
Auto-Off.
- SENSOR Start-Stop:
(LED Standard is on, LED Sensor is on)
For flame ignition, activate the DoubleClick IR-Sensor (6) by passing your hand over it twice.
(see paragraph 3). The flame is extinguished after renewed activation of the IR-Sensor.
Additionally the flame is automatically extinguished when the burning timer has expired after
60 min. Alternatively the flame can be extinguished by a short push on the function knob (1).
2.3 Operation: Adjusting the IR-Sensor detection range
(LED Sensor blinks fast)
Turn the function knob (1) clockwise till the LED Sensor (5) blinks fast to select the function
for adjusting the IR-Sensor detection range. To modify the IR-Sensor detection range press
the function knob (1) briefly. (IR-Sensor coverage,35 - 70 mm) Now, the IR-Sensor range can
be adjusted by turning the function knob (1) . The frequency of the blinking LED Sensor (5)
indicated the adjusted detection range.

Clockwise rotation: The IR-Sensor detection range increases and the blinking of
the LED Sensor (5) becomes faster.
Counter-clockwise rotation: The IR-Sensor detection range decreases and the blinking
of the LED Sensor (5) becomes slower.
Hold the hand in front of the IR-Sensor (6) to test the adjusted IR-Sensor detection range. When
the IR-Sensor is activated by the hand the LED StartStop (4) lights up. If the required detection
range is not yet reached, modify the IR-Sensor detection range again by turning the function
knob (1) clockwise or counter-clockwise.
When the required IR-Sensor detection range is reached press the function knob (1). The
adjusted IR-Sensor detection range is now saved and the application program returns to
SENSOR StartStop.
2.4Operation:Switch-off
The unit can be turned off by pushing the function knob (1) for more than 2 seconds.
3. Safety symbols and safety functions:
- Residual heat display: The LED “Burner head HOT / BHC“(8) indicates a hot burner
head.
Attention: If the LED “burner head HOT / BHC“lights up DO NOT TOUCH the burner head.
Can cause burns! Even after switching-off the unit the residual heat LED remains on till the
burner head is cooled down.
Notice: Disconnecting the power supply or removing the power cord will clear the residual
heat display even if the burner head is still hot.
- BHC: If the burner head is clogged the amber LED “Burner head HOT / BHC“(8) will flash.
Additionally, if Burner head HOT / BHC is flashing, the maximum burning time in the sensor
programs, in the button function and in the foot pedal operating mode “StartStop“is limited
to 30 seconds.
(see paragraph 2.2). If burning times longer than 30 seconds are required in case of a clogged
burner head, the foot pedal operating mode “Standard“can be used without time limit.
If Burner head HOT / BHC is flashing it is requested to clean the burner head immediately
(see paragraph 5.1).
Automatic unit switch off:
Application program PEDAL Standard or PEDAL StartStop: The unit switches itself off
automatically after 4 hours if the flame has not been lit in this period.
Application program SENSOR Auto-Off or SENSOR StartStop: The unit switches itself off
automatically after 10 minutes if the flame has not been lit in this period.
All indicated malfunctions are automatically switched off after 4 hours, too
(see paragraph 4). For further operation, switch the unit on again.
- DoubleClick IR-Sensor: For flame ignition, activate the IR sensor (6) by passing your
hand over it twice within a time range of 1 sec. After the first activation the LED Sensor
blinks fast for 1 sec. Within this time range the IR sensor (6) needs to be activated a
second time to ignite the flame.
4. Error displays:
- Ignition failure: Green LED “Button“, “Standard“or “StartStop“blinks 2x
This signal appears and indicates a malfunction if the flame fails to ignite after 7 seconds.
In case of ignition failure check the burner head (9) for possible clogging, check the correct
input pressure of the gas supply and verify that the correct nozzle is installed.
In case of this malfunction the gas supply will be shut off automatically.
Nozzle N: natural gas, 18-25 mbar Nozzle P: propane-/ butane gas, 47-57 mbar

- Flame failure: Green LED “Button“, “Standard“or “StartStop“blinks 3x
This signal indicates a malfunction if the flame is extinguished by external factors and fails
to reignite within 5 sec. In case of flame failure check the burner head (9) for possible clogging
and verify the correct input pressure of the gas supply.
In case of this malfunction the gas supply will be shut off automatically.
- Overtemperature: Green LED “Button“, “Standard“or “StartStop“blinks 4x
This signal indicates a malfunction if the interior temperature has exceeded 70 °C. At a normal
room temperature with normal air circulation the unit is suited for continuous operation.
In case of overtemperature increase the air ventilation or change the operation site.
In case of this malfunction the gas supply will be shut off automatically.
- Burner head assembly monitor: Green LED “Button“, “Standard“or
“StartStop“blinks 5x
This message indicates that the burner head is removed. Further operation is possible after
the burner head is reinstalled.
- BHC: Amber LED “Burner head HOT / BHC“flashes
This signal indicates that the time limit (30 seconds) is turned on in foot pedal operating mode
“StartStop“, both IR-Sensor operating modes and in operating mode “Button“due to a clogged
burner head. For cleaning the burner head see paragraph 5.1.
Notice: All error displays can be reset by a long push (2 seconds+) on the function knob (1).
(In case of overtemperature the unit needs to be cooled down and in case of burner head
assembly monitor the burner head needs to be reinstalled prior a reset is possible.)
5. Cleaning and sterilizing:
Allow sufficient time for burner orifice (9,9a) to cool down before disassembling or cleaning
the burner head. Check the unit is disconnected and that the gas supply is turned off at the
mains. The burner can be cleaned with customary commercial disinfectants. Additionally, it
is possible to remove the burner head and to clean it separately.
The stainless steel and glass construction allow 100% UV-radiation sterilization and short
time surface flame sterilization.
Attention: Because of the connectors at the back of the unit the backside should not be
sterilized with a flame.
5.1 Burner head disassembly and cleaning:
Allow sufficient time for burner orifice (9,9a) to cool
down before disassembling or cleaning the burner
head. Check the unit is turned off, that the gas supply
is turned off at the mains. Clean the burner head with
customary commercial disinfectants, sterilize it in
an autoclave or wash it in a dishwasher. To remove
the burner head proceed as follows:
Unscrew the burner head screw (14) completely with
the included screwdriver. Turn approx. 8 revolutions to
the left.
Now remove the burner head from the device by pulling it upwards.
Reinstallation is performed in the reverse sequence.
The dismounted burner head can be even dismantled into the individual components for in-
depth cleaning: Unscrew both screws (14a) and take off the base plate (14b) of the burner
head which was fixed by the two screws (14a). After the base plate is removed both electrodes
can be pulled out for seperate cleaning. Reinstallation is performed in the reverse sequence.
9a 9
14
14a
14b
14b

5.2 Burner shaft cleaning:
Unscrew the screw (20) completely with the
included screwdriver. Take off the cover (19)
of the burner shaft. Now the burner shaft can
be cleaned or solid substances which have
fallen into the unit can be removed. Reinstallation
is performed in the reverse sequence. Take care
that the notch of the cover fits to the screw (20a).
6. Turbo flame:
If the cover of the burner shaft (19) is removed
the flame is extremely firm and consistent.
To take off the cover of the burner shaft unscrew
the screw (20) completely with the included
screwdriver. With an open burner shaft the intensity
of the flame cannot be adjusted by the air knob (2a) any longer. During the use of the turbo
flame most of the needed air is taken inside through the open burner shaft. Remounting the
cover of burner shaft. (see paragraph 5.2)
7. Tilt adjustment:
Insert the tilt adjustment (24) into the slots (21)
at the bottom of the unit. The tilt-adjustment can
be used to the left or right side to protect the
burning chamber from contamination when
working with liquids.
8. Warranty:
All WLD-TEC gas burners are covered under
our two-year manufacturer warranty against any
manufacture defects in material and
workmanship. The WLD-TEC warranty
guarantees all gasburners under normal usage
conditions and does not cover any damages
as a direct result of user misuse or/and abuse.
The warranty is void upon any unauthorized
servicing, disassembly or modifications.
24
open
burner shaft
20a
19
20
20a

Notes

Troubleshootingguide
The LED’s “do not light up
Check for correct connection and specification of the power adapter.
Ensure that the original power adapter is used.
Specifications: 9 V / DC, 1A Polarity:
The foot pedal does not work
Check for correct connection of the foot pedal.
Ensure that the foot pedal socket and plug is not twisted or broken.
No Flame
In case of ignition or flame faliure check if the burner head is clogged. Verify the input
pressure of the used gas. Ensure that the correct nozzle is installed in the unit.
Nozzle N: natural gas, input pressure: 18-25 mbar
Nozzle P: propane / butane gas, input pressure: 47-57 mbar
LED “Burner head HOT / BHC“flashes / Inspection of the burner head (clogging)
Take care that there are no liquids or other substances at the Bypass (area between the
inner and the outer ring)
Especially remove substances in the
marked areas at the electrodes. If there
are contaminants in this area, the flame
cannot encircle the electrodes correctly.
Clean this areas with a brush. The
burner head can be cleaned with
customary commercial disinfectants,
or it can be sterilized in an autoclave or
washed in a dishwasher.
In operating mode Pedal “StartStop“, SENSOR Auto-Off, SENSOR StartStop and
„Button“the flame burns 30 seconds, only
BHC time limit is active, LED “Burner head HOT / BHC“is flashimg. The burner head is
clogged and must be cleaned (see paragraph 3 and 5.1).
Flame too small / large / soft
Check the position of the air and gas adjustment.
Check if the correct nozzle is installed.
Nozzle N: natural gas, 18-25 mbar
Nozzle P: propane / butane gas, 47-57 mbar
Check if the drilling of the active nozzle is blocked. Unscew the active nozzle.
(see paragraph 1) If the drillig is blocked clean with a brush or compressed air.
Noignitionspark /LED“Burner headHOT/ BHC“flashesbut the burnerhead isclean
Check if the ceramic electrodes are in good condition. In some cases the electrodes
may break. To check move the ends of the electrodes. If they are not moving they
should be okay. If they are moving more than 0.5 mm the electrodes are broken. The
electrodes can be dismantled and changed by the user. (see paragraph 5.1)
+-
Bypass

The burner shuts-off due to overtemperature frequently
In case of overtemperature increase the air ventilation or change the operation site.
The IR-Sensor cannot be activated
It is possible to adjust the sensor range to 0 mm or more than 70 mm. Then the IR-Sensor
is out of range and cannot be activated. In that case, increase or decrease the IR-Sensor
range at the function for sdjusting the IR-Sensor detection range (see paragraph 2.3)
Green LED “Button“, “Standard“or „StartStop“blinks 2x
Ignition faliure (see paragraph 4)
Green LED “Button“, “Standard“or „StartStop“blinks 3x
Flame faliure (see paragraph 4)
Green LED “Button“, “Standard“or „StartStop“blinks 4x
Overtemperature (see paragraph 4)
Green LED “Button“, “Standard“or „StartStop“blinks 5x
This message indicates that the burner head is removed. Further operation is possible after
the burner head is reinstalled. (see paragraph 4)
Amber LED “Burner head HOT / BHC“is on permanently
The residual heat display is active. DO NOT TOUCH the burner head. Can cause burns!
(see paragraph 3)
Service address:
WLD-TEC GmbH
Produktion & Service
Halle-Kasseler-Str.49
37318 Arenshausen
Germany
Phone: [phone]
Fax: [phone]
Email: [email protected]
Internet: www.wld-tec.com

Göttingen den 01.07.2009
B.Wartewig
Geschäftsführer
Manufacturer
EG-KONFORMITÄTSERKLÄRUNG
Declaration of Conformity
zu den Richtlinien 2004/108EG und 73/23/EWG(EEC)
Following the Directives 2004/108/EC and 73/23/EWG (EEC)
Der elektronische Laborgasbrenner der Serie:
Electronic Laboratory gas burner
Gasprofi 1 SCS micro Typ / type 6.004.000
erfülltdie in den nachfolgenden Prüfgrundlagenaufgeführten Anforderungen in Verbindung mitden
inAnhang A2 aufgeführtenNetzgeräten.
This declaration relates is in conformity with the relevant provisions of the following standards together
with the normative document A1 mains connection.
1. Elektromagnetische Verträglichkeit
Electromagnetic Compatibility Directive
1.1 EN 61326-1: 2006 Elektrische Betriebsmittel fürLeittechnik und Laboreinsatz,
EMV-Anforderungen
EN 61326-1: 2006 Electrical equipment for measurement, control and laboratory use,
EMCrequirements
Störaussendung: Elektrische Betriebsmittel der Klasse B, Gruppe 1
Generic Emission Standard: Electrical Equipment, class B, Group 1
Störfestigkeit: IndustrielleBereiche
Generic Immunity Standard: Industrial areas
2. Sicherheit elektrischer Betriebsmittel
Security of electrical resources
EN 61010-1: 2001 Sicherheitsanforderungen an elektrischeMeß-,Steuer-,Regel-und
Laborgeräte.Teil1: Allgemeine Anforderungen
EN 61010-1: 2001 Safety requirements for electrical equipment for measurement, control,
and laboratory use. Part 1: General requirements

Technical data:
Technology Microprocessor
Programs
Foot pedal: Standard (flame during pressed foot pedal)
Start-Stop with timer, 60 min
IR Sensor: Start-Stop with timer, 60 min
Auto-Off with learn function, 1 sec - 60 min
Button: Start-Stop with timer, 60 min
Safety features
Safety Control System (SCS): ignition, flame and temperature monitor
with gas safety cut off burner head clogging and
assembly monitor (BHC)
automatic unit switch off, 4h
residual heat display
Gas supply and consumtion
Gas supply: 1/4“left + filter
Gas types: II2ELL3B/P: natual gas E/LL,18 - 25
mbar
liquid gas,20 - 50 mbar
Connected load: 70 g/h liquid gas
Continuous cartridge operation: CV 360 - 40 min, Express 444 - 50 min,
CG 1750 - 150 min, C 206 - 170 min,
CP 250 - 210 min, CV 470 - 370min
Temperatures
Flame temperature: 1350 °C on liquid gas
1300 °C on natural gas (E)
Temperature threshold level: 1 kW liquid gas, 1 kW natural gas
Electrical
Power consumption: 2 VA
Power connection: 100 - 240 V / 50/60 Hz / max. 0.3 A
9 V DC / 1 A
IR-Sensor coverage: 35 - 70 mm, adjustable
DoubleClick IR-Sensor: Time range 1 sec
Mechanical
Casing and operating controls: stainless steel / glass, UV and solvent resistant
Burner head: removable and decomposable, stainless steel
Cover of the burner shaft: Ø23 mm, with drains
Measurements (B x H x T): 85 x 49 x 86 mm
Weight: 700 g
Licences
DIN-DVGW Reg.-Nr.: NG-2211AS0167
CE: EN 61326-1, EN 61010-1
EEC guidelines: 2004/108/EC and 73/23/EEC

Salesdepartment
SpandauerWeg1
D - 37085 Göttingen
Phone:[phone]
Fax: [phone]
Internet:http://www.wld-tec.com
05/06
Productionund Service:
Halle-KasselerStraße 49
D- 37318 Arenshausen
Phone:[phone]
Fax:[phone]
Email: [email protected]
WLD - TEC GmbH