Garland Cooktop GIU 15 (BH BA 1500) User Manual

SERVICE MANUAL  
INDUCTION COOKERS WITH RTCS TECHNOLOGY  
(REAL TIME TEMPERATURE CONTROL SYSTEM  
COUNTER TOP/BUILT IN/WOK MODELS  
C
CM  
86037  
IMPORTANT NOTE:  
INDUCTION COOKERS MANUFACTURED WITH RTCS TECHNOLOGY WILL HAVE  
FIVE DIGITS IN THE CENTER OF THE SERIAL NUMBER: EXAMPLE: BA06.00001.0505  
MODELS  
GIU 1.5 (BH/BA 1500)  
GIU 1.8 (BH/BA 1800)  
GIU 2.5 (BH/BA 2500)  
GIU 3.5 (SH/BA 3500)  
GIU 5.0 (SH/BA 5000)  
GIU 2.5 BI (BH/IN 2500)  
GIU 3.5 BI (SH/IN 3500)  
GIU 5.0 BI (SH/IN 5000)  
GIWOK 3.5 (SH/WO 3500)  
GIWOK 5.0 (SH/WO 5000)  
GIWOK 3.5 BI (SH/WO/IN 3500)  
GIWOK 5.0 BI (SH/WO/IN 5000)  
GARLAND COMMERCIAL INDUSTRIES  
185 East South Street  
Freeland, Pennsylvania 18224  
Phone: (570) 636-1000  
GARLAND COMMERCIAL RANGES, LTD.  
1177 Kamato Road, Mississauga, Ontario L4W 1X4  
CANADA  
Enodis UK LTD.  
Swallowfield Way, Hayes, Middlesex UB3 1DQ ENGLAND  
Telephone: 081-561-0433  
Phone: 905-624-0260  
Fax: 081-848-0041  
Fax: (570) 636-3903  
Fax: 905-624-5669  
Part # 4521635 (03/04/08)  
© 2006 Garland Commercial Industries, Inc.  
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SECTION 1 –SAFETY  
Description Of Warning Signs  
Safety Information, Installation And Service  
Operators of the equipment must ensure that all installation,  
service and as well as all inspections, are performed by  
authorized and qualified personnel. Before attempting to  
operate the equipment carefully read the information and  
instructions outlined in the ”Installations and Operating”  
manual. For all installations, service, maintenance, repair  
and or overhaul of the induction cookers, personnel must  
be specially qualified and must have attended a technical  
training course authorized by Garland.  
Identifies safety information about  
dangers which may cause serious personal  
injury if equipment is not operated  
properly.  
Dangerous voltage warning symbol,  
indicates a risk of electric shock and  
hazards from dangerous voltage.  
Do not attempt to perform any repairs or replace any part of  
the induction cooker unless, all power supply to the cooker  
has been disconnected.  
Indicates a hazard or unsafe practice  
which could result in minor personal  
injury or property damage.  
CAUTION  
Unauthorized Reconstruction And  
Use Of Spare Parts  
Reconstruction of the cooker or changes to the cooker are  
not allowed. Contact the manufacturer if you intend to do  
any changes to the cooker. To guarantee safety, use only  
genuine OEM spare parts and accessories, authorized by the  
manufacturer. Garland will not be held liable for any damage  
or injury caused by used of other components.  
Electromagnetic field.  
Warning signs mounted directly on the cooker must be  
observed at all times and kept in a fully legible condition.  
Improper Operating Methods  
Personnel Qualification And Training  
The operating reliability of the cookers can only be  
guaranteed when the cooker is used appropriately. The limit  
values stated in this manual must not be exceeded.  
All persons involved in assembly, installation, commissioning,  
operation and maintenance must have the appropriate  
qualifications. The scope of responsibility, competence and  
supervision of the staff must be defined and controlled.  
Part # 4521635 (03/04/08)  
Page 3  
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SECTION 2 – TECHNICAL INFORMATION  
Model BH/BA (Counter models)  
Wattage kW  
120 V/1 Ph  
1.5/1.8 kW  
12.5/15  
>0.95  
208 V/1 Ph  
2.5/3.5 kW  
12/14.5/17  
>0.95  
240 V/1 Ph  
2.5/3.5 kW  
10/12.5/14.5  
>0.95  
Current A  
Power factor Cos ϕ  
Discharge rate mA  
Coil mm  
4
4
4
190 (7.5”)  
190 (7.5”)  
190 (7.5”)  
Model BH/IN (Counter Models)  
208 V/1 Ph  
240 V/1 Ph  
Wattage kW  
2.5 kW  
12  
2.5 kW  
10  
Current A  
Power factor Cos ϕ  
Discharge rate mA  
Coil mm  
>0.95  
4
>0.95  
4
190 (7.5”)  
190 (7.5”)  
Model SH/BA (Counter Models)  
Wattage kW  
208 V/1 Ph  
3.5 kW  
max. 16  
>0.95  
240 V/1 Ph  
3.5 kW  
14.5  
208 V/3 Ph  
5 kW  
Current A  
max. 16  
>0.95  
Power factor Cos ϕ  
Discharge rate mA  
Coil mm  
>0.95  
4
4
4
190 (7.5”)  
190 (7.5”)  
190 (7.5”)  
Model SH/IN (Built in Models)  
Wattage kW  
208 V/1 Ph  
3.5 kW  
max. 16  
>0.95  
240 V/1 Ph  
3.5 kW  
14.5  
208 V/3 Ph  
5 kW  
Current A  
max. 16  
>0.95  
Power factor Cos ϕ  
Discharge rate mA  
Coil mm  
>0.95  
4
4
4
190 (7.5”)  
190 (7.5”)  
190 (7.5”)  
Model SH/WO (Counter Wok Models)  
Wattage kW  
208 V/1 Ph  
3.5 kW  
max. 16  
>0.95  
240 V/1 Ph  
3.5 kW  
14.5  
208 V/3 Ph  
5 kW  
Current A  
max. 16  
>0.95  
Power factor Cos ϕ  
Discharge rate mA  
Coil mm  
>0.95  
4
4
4
190 (7.5”)  
190 (7.5”)  
190 (7.5”)  
Model SH/WO/IN (Built in Wok Models)  
Wattage kW  
208 V/1 Ph  
3.5 kW  
max. 16  
>0.95  
240 V/1 Ph  
3.5 kW  
14.5  
208 V/3 Ph  
5 kW  
Current A  
max. 16  
>0.95  
Power factor Cos ϕ  
Discharge rate mA  
Coil mm  
>0.95  
4
4
4
190 (7.5”)  
190 (7.5”)  
190 (7.5”)  
Page 4  
Part # 4521635 (03/04/08)  
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Maximum tolerance of power supply  
Frequency  
Nominal voltage +6/-10 %  
50/60 Hz  
Protection class  
IP X0  
Min. diameter of pans  
Approx. 12 cm ( 4.7)  
-20°C to 70°C (-4°F to 158°F)  
-5 °C to 40°C (23°F to 104 °F)  
10 to 90 %  
Max. ambient temperature: stockage  
Max. ambient temperature: function  
Max. relative humidity of air: stockage  
Max. relative humidity of air: function  
30 to 90 %  
SECTION 3 – OPERATION  
Adjusting The Performance Rate  
Power board  
The performance rate is adjusted by the potentiometer  
(control knob). The inductive performance depends on the  
position of the potentiometer:  
The temperature of the power board is checked by a  
temperature sensor. As soon as the heat sink is heated over  
70°C (158°F), a cooling fan starts. A heat sink temperature of  
more than 80°C (176°F) automatically reduces the power in  
order to keep the induction cooker working under normal  
conditions. The internal temperature of the unit is supervised  
as well. The power is reduced by 50% if the temperature  
reaches 75°C (167°F). As soon as the temperature reaches  
90°C (194°F) the unit stops working and shows the error code  
“E06(See Error message, Section 6).  
Position 1 = minimum power.  
Position 9 (resp. Position 12) = maximum power.  
Temperature Check  
Induction coil  
Protection Overload Current  
The temperature of the induction coil is checked by a  
temperature sensor. If the coil is heated over the maximum  
temperature, the heating process stops. As soon as the  
coil has cooled down, the Induction unit can be re-started.  
Turn the position of the control knob to0and then to the  
required power level (See Error Message, Section 6).  
When inappropriate pan material or magnetic objects are  
detected on the heating area, the current in the induction  
coil may raise excessively. In order to protect the power  
board, the coil current is checked and as soon as the current  
in the coil exceeds the maximum tolerance, the generator  
stops and there is no further active energy exchange. The  
unit can be re-started as soon as normal working conditions  
are reached.  
Part # 4521635 (03/04/08)  
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SECTION 4 – TESTS  
Pan Material For Induction Cookers  
Pan Detection  
When cooking with induction it is very important to use  
the appropriate pan material. The bottom of the pan is the  
element that closes the magnetic field generated by the  
induction coil. We highly recommend only appropriate  
induction pans be used with this equipment.  
The heating area is warmed up by the  
hot pan. To avoid injuries (burns) do  
not touch the heating area.  
ATTENTION  
These tests show whether the induction cooker is operating  
correctly when small diameter pans are used and, when  
small metallic objects are heated-up on the heating area.  
A quick test can be performed to determine if a pan is  
appropriate. For this test you will need 1- Liter (34 ounces)  
of water at a temperature of 20°C (68°F). Heat up the pan  
with the cooker set to maximum power and measure the  
time it takes for the water to boil. Compare your time that  
This test will require the following material:  
An appropriate pan with a bottom diameter of 12cm (4.7”) or  
two untreated round iron plates, approximately 4mm (0.16”)  
thick:  
referenced by Garland: (2.5kW approx. 240 sec., 3.5kW  
approx. 140 sec., 5kW approx. 80 sec., 8kW approx.  
60 sec.). This heat-up time gives you information regarding  
the efficiency of the pan tested. Bad pans have considerably  
longer heating-up times for the same quantity of water.  
iron plate 1:  
iron plate 2:  
diameter d = 12 cm (4.7”)  
diameter d = 7 cm (2.75”)  
A magnet can be used to determine whether the pan  
material is appropriate for induction cooking. The magnet  
must attach its self to the bottom of the pan. Please note, this  
magnet test will not determine the material structure of the  
pan or its efficiency. In some cases the magnet will attach  
itself to the bottom of the pan however, the pan may not  
be suitable for use with induction cooking. Always use pans  
which are suitable and designed for induction cooking.  
Test With Pans  
Step  
Action  
Place the pan in  
Level  
Result  
1
1...9 (12) Heat, the indicator  
lights  
the middle of the  
heating area  
2
Push the pan  
until the edge of  
the pan is in the  
middle of the  
heating area  
1...9 (12) No heating, the  
indicator does not  
light  
Test With Metallic Plates  
Step  
Action  
Level  
Result  
1
Place the metallic  
plate 1 in the  
middle of the  
heating area  
1...9 (12) Heat, the indicator  
lights  
2
Place the metallic  
plate 2 in the  
middle of the  
heating area  
1...9 (12) No heating, the  
indicator does not  
light  
Page 6  
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Power Rating  
Test Of The Components  
The heating area is warmed up by the  
hot pan. To avoid injuries (burns) do  
not touch the heating area.  
The power cord must be disconnected  
from the power supply.  
CAUTION  
ATTENTION  
Rectifier  
Step  
Action  
Level  
Result  
1
Place the pan  
on the heating  
area until water is  
boiling  
9 (12)  
Heat, water is  
boiling  
2
Reduce the power (12) 9...1 Heat rating  
by turning slowly  
the control knob  
reduces (water  
does not boil  
anymore), phase  
current reduces  
continuously  
The rectifier is fixed at the power board with four wires.  
Rectifier connections must be unsoldered for correct test  
results To begin, you have to measure the forward voltage  
between anode – cathode by means of the multimeter  
(please use only multimeters with diode check as an  
additional function).  
Fan  
With this test, the fan observation as well as the degree of  
soiling is verified. At the beginning of the test, the induction  
cooker should be cold. You need a pan with a bottom  
diameter of 28 cm (11”).  
Step  
Action  
Level  
Result  
The forward voltage for this diode is of about 0.5VDC in  
direction A – K, in the opposite direction isNOcurrent flow.  
1
Place a pan on the 9 (12) Heat  
heating area and  
fill it up with 1-  
Liter or (34 oz) of  
water  
If one of the four diodes shows a short circuit or an  
interruption, the rectifier is defective and must be  
replaced.  
2
3
Measure the time  
until the fan starts  
working  
9 (12) The fan should start  
working after 6-8  
minutes  
Go on cooking for  
about 30 minutes  
9 (12) The heating process  
may periodically  
be interrupted for a  
period of 2 seconds.  
Unit keeps working.  
4
Stop the induction  
cooker  
0
The fan keeps  
working.  
Part # 4521635 (03/04/08)  
Page 7  
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Transistor module (IGBT)  
CU (RTCS) Sensors  
G
E
C
CU Sensor 1 (Center)  
4 – 5.5 Ohms  
CU Sensor 2 (Outer)  
4 – 5.5 Ohms  
The IGBT (Insulated Gate Bipolar Transistor) is fixed onto the  
power print (board) with three solder connections.  
The IGBT Transistor has as a supplementary protection an  
integrated recovery diode. To begin, measure the on-state  
voltage of this diode. The forward voltage of this diode is  
approximately 0.5VDC.  
The two CU sensors are mounted directly on top of the coil  
for base-line, (counter top) cookers. Both the center and  
outer sensors, will measure approximately 4 - 5.5 Ohms.  
Potentiometer  
If the recovery diode shows a short circuit or an  
interruption, the IGBT transistor is defective and must be  
replaced.  
The potentiometer is mounted onto the main power switch.  
On setting0the reading will be 0 - Ohms and on the  
maximum level, the resistor will read 10kOhm (10,000 Ohms).  
Resistor is proportional (linear) to swing angle. (see following  
photo for measurement points).  
Page 8  
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Measurements taken across points  
shown.  
SECTION 5 – MAINTENANCE/SERVICE  
Maintenance work must only be completed by authorized  
personnel. Before beginning any maintenance work, ensure  
that all power supply is disconnected and the appliance  
has had an opportunity, to cool down. It is important that  
the following maintenance procedures be performed as  
recommended. Such preventative maintenance measures  
will extend the life of this equipment and will provide  
trouble free operation. The length of time used each and  
the use frequency will determine how often maintenance  
is required. Every cooker must be checked at least once a  
year. The following routine maintenance should and must be  
completed periodically.  
The airducts must be free of dirt.  
The air must circulate unhindered through the heat sink  
(no hindrance).  
The fan is correctly installed and in good operation.  
The heat sinks are installed correctly and in place.  
Check Induction coil  
Mechanical, screw mountings (screws all tightened)?  
Coil adhesive (coil wire in place o.k.)?  
Ferrites (all mounted and in place o.k.)?  
Copper coil (wire in place o.k.)?  
Fan  
Function of the cooker can only be guaranteed if all  
electronic components are operated within their normal  
working conditions (temperatures).  
Coil connections to power board ok? (Refer to the  
following Figures #1 and #2 for correct and incorrect, coil  
connections).  
The air inlet and air outlet slots must not be blocked.  
The air filter must not be blocked by dirt or grease.  
Part # 4521635 (03/04/08)  
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General Checks  
Protection connection grounded?  
Screwed connections all tight?  
Isolations of cables?  
Any kind of liquids that have entered the cooker?  
Dirt in the cooker?  
Figure # 1 - Correct Coil (Spoil) Connection  
This connection must be well insulated and slightly bent upwards so the terminal end, does  
not make contact with the high voltage section on the power board.  
Coil terminals must be connected in the direction shown  
in photo.  
Coil wires must be tightly twisted together and precisely  
placed.  
Page 10  
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Figure # 2 – Examples of Incorrect Coil (Spoil) Connections  
Coil wires not twisted tightly together or precisely  
placed.  
Coil terminals connected in the  
incorrect direction.  
Coil terminals connected in the  
incorrect direction.  
Coil terminals connected in the  
incorrect direction.  
Part # 4521635 (03/04/08)  
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SECTION 6 – FAULT FINDING  
General Information  
Do not attempt to open the cooker when it is connected to the power supply. Dangerous  
high voltage components will be exposed!  
CAUTION  
The induction cooker may only be serviced by authorized service personnel.  
Should the (Ceran Glass) become broken or cracked, turn off the cooker immediately and disconnect the electrical power  
supply to the unit. Do not touch any parts inside the cooker.  
Before replacing a part, check the wiring. Pay close attention to the following faults:  
Broken cables  
Squeezed cables  
Defective isolations of cables  
Bad soldering joints  
You must not attempt to do any repairs on the circuit boards. It is important, however to do routine maintenance after every  
repair see Section 5 Maintenance/Service for details.  
Error Messages  
Order of error message for error code 1-8:  
The indicator lamp located directly above the control knob flashes for an interval of 0.6 seconds. The number of the following  
short flashes have to be counted in order to determine the type of failure. These flashes will inform you about the kind of error  
or failure, corresponding to the code system below.  
Number Of  
Significance  
Flashing Signals (Asterisk Refers To Notes At End  
Measures To Take  
Error Code  
Of Chart)  
3
Temperature heat sink***  
a. Heat sink temperature too high – wait until the temperature  
has cooled down under 40°C/104°F  
-...-...-  
b. Check supply of cooling air – perhaps blocked – check  
function of fan  
c. Check temperature of heat sink – replace power circuit.  
a. Temperature of the cooking surface too high  
4
Temperature cooking surface***  
-....-....-  
b. Check CU measure coil – index value at 20°C (68°F) – approx. 5  
- Ohms  
6
Temperature inside the unit too  
high ***  
a. Check whether the unit is next to a source of heat ex: fryer,  
broiler etc.  
-......-......-......  
b. Check whether hot air is taken in – generator has no air  
exhaust system  
7
Empty cooking sensor*  
a. Check cooking material in the pan  
-.......-.......-.......  
Page 12  
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Number Of  
Flashing Signals (Asterisk Refers To Notes At End  
Error Code Of Chart)  
Sensor error***  
Significance  
Measures To Take  
8
a. Check Cu coil  
-........-........-........  
b. Check heat sink sensor  
c. Check RTCS-sensor  
d. Check board sensor  
12  
13  
Power reduction, heat sink  
temperature **  
a. Turn the power level down  
b. Check fan  
Power reduction, temperature of  
cooking surface **  
a. Take pan off until cooking area has cooled down  
b. Wait until it has cooled down  
c. Check coil  
CU sensor 1  
Warning temperature  
17  
18  
19  
20  
CU sensor 1 over  
temperature ***  
a. Temperature of the cooking field too high  
b. Check CU sensor 1, index value 5 -Ohms at 25°C (77°F)  
a. Temperature of the cooking field too high  
b. Check CU sensor 2, index value 5 -Ohms at 25°C (77°F)  
a. Temperature of the cooking field too high  
b. Turn the power down  
CU sensor 2 over  
temperature ***  
CU sensor 2, high temperature  
warning  
Power reduction generator inside a. Check for heat sources around the generator and remove  
temperature **  
them if any  
b. Check air circulation  
a. Contact the factory  
a. Exchange power unit  
21  
24  
25  
Heat sink sensor error ***  
Board temp. sensor error ***  
CU sensor 1 error ***  
a. Check CU sensor 1 for short circuit or discontinuation, index  
value 5 Ohms at 25°C (77°F).  
26  
27  
28  
CU Sensor 2 error ***  
a
Check CU sensor 2 for short circuit or discontinuation, index  
value 5 Ohms at 25°C (77°F)  
Empty cooking detector CU  
sensor 1 *  
a. Check cooking material in the pan  
Empty cooking detector CU  
sensor 2 **  
a. Check cooking material in the pan  
* The induction unit can only be restarted by turning the control knob first to the “OFFposition, and then back to  
the “ONposition to reset.  
** The induction unit continues working  
*** The induction unit does not heat.  
Part # 4521635 (03/04/08)  
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Flow chart to fault finding  
Unit does not  
operate  
Check  
Power Supply  
Replace  
Fuse  
Short circuit  
connection  
Potentiometer?  
Yes  
Check  
potentiometer  
connection  
No  
No  
Check if fuse is  
installed correctly  
and power supply  
Connection OK?  
Defective  
Check LED  
Replace LED  
OK  
Yes  
OK  
OK  
Check power  
cord/plug &  
socket  
Disassemble  
Cooker top  
assembly  
Replace  
Power Board  
Connect Unit  
Defective  
DefectIve  
Defective  
Contact  
Electrician  
Check fuse  
T10A  
Check rectiꢀer  
OK  
No  
Is there any  
LED  
Indication?  
OK  
Check electric  
Potential DC  
Volts  
Error  
Error  
Check fuse  
T1A  
Yes  
OK  
No  
Is there any  
Errorcodes ?  
Error code in  
IR Mode ?  
Check power  
Print (board)  
visually  
Yes  
Yes  
Utilize error  
code and go  
ahead  
according to list  
Check IGBT  
Transistor’s  
Check wiring  
Wired  
Cooker operates  
Cooker does  
not operate  
incorrectly  
Unit works.  
Continuous test for  
about 10 minutes is  
necessary  
Replace  
Power Board  
Replace  
Power board  
Correct wiring,  
connections  
Page 14  
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SECTION 7 – EXCHANGE OF SPARE PARTS  
Turn induction unit back in normal position.  
All spare parts and or accessories, may  
only be replaced by authorized service  
personnel.  
CAUTION  
Lift cover, turn away at the right side, put it at the side  
panel.  
Remove coil carrier: remove 2 stop nuts at the left.  
Remove M4 screws.  
In order to guarantee safety, use only  
genuine OEM spare parts and accessories  
purchased directly from a Garland  
authorized part/service distributor. If other  
components are used, no liability will be  
accepted.  
CAUTION  
CAUTION  
Remove screws A1 and A2.  
Turn away coil carrier at the left.  
To Open The Induction Unit  
(Built In Models)  
The electrical supply must be  
disconnected.  
Remove M4 screws on the right side.  
Lift cover with the glass.  
To Open The Induction Unit  
(Counter Top Models)  
Remove M4 screws, remove coil carrier.  
Remove PT-sensor and coil connections.  
Turn the induction unit.  
Remove M4x8 screws.  
SECTION 8 – ADJUSTMENT OF PROCESS PARAMETERS  
The induction unit (excluding all WOK-units) with new  
Cu sensors can be adjusted. This can be done either by  
means of the short circuit service plug (Poti-LED) part  
number (94900096) or by PC/Laptop. In addition, the pan  
detection and the power performance, can be adjusted by  
the hyperterminal program of the PC/Laptop. Please refer  
to Section 9IR Interfacefor instructions on how to use the  
hyperterminal program.  
Initializing CU Sensors  
By The Short Circuit Plug  
If only the CU sensor is exchanged, the new CU sensor can be  
initialized by means of the short circuit service plug (Poti-  
LED). For this, you will not need the PC or Laptop. The pan  
detection and the performance will not have to be changed.  
Procedure of Initialization:  
The cooking area must be clear of any items.  
Surrounding temperature 25°C (+/- 3°C) or 77°F  
(+/- 37.4°F).  
Disconnect the induction unit from the main power  
supply.  
Part # 4521635 (03/04/08)  
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Place short circuit service plug into the power print board  
across the (Poti-LED) as showed in the photo below.  
IMPORTANT NOTE: When replacing the power board and  
or induction coil with RTCS sensors, you must reset all  
parameters.  
IMPERATIVE! Pay close attention to whether you receive a  
feedback signal from the PC or Laptop after every change.  
This will be your signal that the change has been accepted  
successfully.  
12345 Entry to the mode of adjustment (password)  
;
Initialize Cu sensor (temperature of the coil ca.  
25°C/77°F) excluding WOK.  
N
n
Increase the limit of the mains current (+)  
Decrease the limit of the mains current (-)  
Save the limit of the mains (power) current  
Increase pan detector (+)  
T
t
Connect the induction unit to the main power supply.  
The CU sensors initialize automatically.  
Decrease pan detector (-)  
=
-?  
.
Save pan detector  
After successful initialization, the green LED on the small  
CPU-print (board) illuminates.  
Leave the mode of adjustment  
State software version  
In case the system finds an error during initialization, the  
red LED will illuminate.  
Change Of The Parameters  
1. Connect the RS232 connection cable to the  
Disconnect the induction unit from the main power  
supply.  
PC/Laptop and straighten the IR-adapter to the left lower  
corner of the ceran glass. For counter top cookers, refer to  
Section (9) figure #3 for correct IR adapter positioning. For  
all Wok cookers, you will be required to remove the top  
wok bowl assembly. Place the IR-adapter in the left hand  
corner directly over the rectangular opening located on  
the metal sheet with ferrit stripes. Please refer to Section  
(9) figure #4 for Wok cooker IR adapter positioning.  
Check the CU sensors at the plug by means of the Ohm  
meter.  
Re-start the procedure of initialization.  
Disconnect the unit from the main power supply.  
Remove the short circuit service plug from both the Poti  
and LED connections.  
2. Start HT2400 (see chapter 9) and turn unit on!  
3. Input12345and the mode of adjustment will now  
Initializing The Induction Unit  
By PC Or Laptop  
begin. The following message will appear on the monitor:  
IR= On  
WELCOME REPAIRMEN  
The initialization of the CU (RTCS) sensors (excluding all  
WOK models), as well as adjustments of the pan detection  
and power performance, can be performed by means of  
the hyperterminal program. Please refer to Section 9IR  
Interfacefor instructions on how to use the hyperterminal  
program The following adjustments must be done in the  
hyperterminal program: 2400bps, 8bit, no parity, 1 stop bit,  
hardware protocol.  
Page 16  
Part # 4521635 (03/04/08)  
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4. Not valid for WOK cookers. The parameters on the CPU  
can now be changed! The unit temperature and the  
ambient temperature must amount to 25°C (+/- 4°C) or  
77°F (+/- 39°F). Press the key [ ; ]. On the console appears  
the messageplease confirm. Press the key [ ; ] again. The  
CU (RTCS) sensor will now be initialized on 25°C (77°F).  
The following message now appears on the monitor:  
9. By input [ -? ] the mode of adjustment will be left. The  
following message appears on the monitor:  
see you again!  
10 The mode for adjustment has a time-out function.  
After a 10 minute period, the mode of adjustment will  
automatically reset.  
save CU sensor : 25°C  
The adjustments are now completed and it is not possible  
to make any other adjustments at this point. If further  
adjustments are necessary, you will be required to start from  
the beginning again!  
5. Set the limit of the (mains) power current. (see mains  
current parameters in this section):  
N
n
increase the limit of the mains current (+)  
decrease the limit of the mains current (-)  
Technical information regarding the induction cooker is  
also available in real-time, in the clients mode. The following  
parameters listed below can be read:  
The following message appears on the monitor:  
Output on the hyperterminal:  
linecurrent limit= .......  
1: KK:68 CU1:22 CU2:22 B:33 --- --- F:20080  
1: KK:68 CU1:22 CU2:24 B:33 --- --- F:20080  
1: KK:67 CU1:22 CU2:24 B:33 --- --- F:20080  
1: KK:67 CU1:22 CU2:24 B:33 --- --- F:20080  
6. Save the limit of the (mains) power current with the key [  
]. On the console appears the messageplease confirm.  
Press the key [ ] again. The following message appears  
on the monitor:  
Meaning:  
save linecurrent limit: .......  
CU Sensor 2 - Outside  
Temperature of the Coil  
Heat Sink  
Temperature  
7. Set the pan detector (see pan detector, Section 4):  
Error Message  
T
t
increase pan detector (+)  
decrease pan detector (-)  
1:KK:68 CU1:22 CU2:22 B:33 --- --- F:20080  
Frequency  
The following message appears on the monitor:  
Active  
Field  
CU Sensor 1 - Inside  
Temperature of the coil  
Board  
Status Message  
pan detector limit= .......  
The internal cooling fan will be activated once the heat sink  
temperature rises to 70°C (158°F).  
8. Save the pan detector with the key [ = ].On the console  
appears the messageplease confirm. Press the key [ = ]  
again. The following message appears on the monitor:  
save pan detector limit: .......  
Part # 4521635 (03/04/08)  
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Parameters For (Mains) Power Current And Pan Detector  
Item Number  
(Article No.)  
Mains-Power  
Current  
Induction Cooker Model  
Pan Detector  
99560101  
99560102  
99560103  
99560104  
99560105  
99560106  
99560107  
99560108  
99560109  
99560110  
99560111  
99560112  
BH/BA 1500, 120VAC, 1N, 1,5kW (GIU 1.5)  
BH/BA 1800, 120VAC, 1N, 1,8kW (GIU 1.8)  
BH/BA 2500, 208VAC, 1N, 2,5kW (GIU 2.5)  
BH/BA 2500, 230VAC, 1N, 2,5kW (GIU 2.5)  
BH/BA 2500, 240VAC, 1N, 2,5kW (GIU 2.5)  
BH/BA 3000, 208VAC, 1N, 3kW (GIU 3.0)  
BH/BA 3000, 230VAC, 1N, 3kW (GIU 3.0)  
BH/BA 3000, 240VAC, 1N, 3kW (GIU 3.0)  
BH/BA 3500, 208VAC, 1N, 3,5kW (GIU 3.5)  
BH/BA 3500, 230VAC, 1N, 3,5kW (GIU 3.5)  
BH/BA 3500, 240VAC, 1N, 3,5kW (GIU 3.5)  
BH/BA 2300, 230VAC, 1N, 2,3kW (GIU 3.5)  
162  
187  
153  
140  
192  
180  
163  
21  
21  
23  
27  
26  
26  
28  
192  
187  
26  
28  
99580001  
99580002  
99580003  
BH/IN 2500, 208VAC, 1N, 2,5kW (GIU 2.5BI)  
BH/IN 2500, 230VAC, 1N, 2,5kW (GIU 2.5BI)  
BH/IN 2500, 240VAC, 1N, 2,5kW (GIU 2.5BI)  
99560004  
99560005  
99560006  
99560007  
99560008  
99560009  
SH/BA 3500, 208VAC, 1N, 3,5kW (GIU 3.5)  
SH/BA 3500, 230VAC, 1N, 3,5kW (GIU 3.5)  
SH/BA 3500, 240VAC, 1N, 3,5kW (GIU 3.5)  
SH/BA 5000, 208VAC, 3N, 5kW (GIU 5.0)  
SH/BA 5000, 400VAC, 3N, 5kW (GIU 5.0)  
SH/BA 5000, 440VAC, 3N, 5kW (GIU 5.0)  
192  
192  
185  
167  
36  
35  
23  
21  
99580004  
99580005  
99580006  
99580007  
99580008  
99580009  
SH/IN 3500, 208VAC, 1N, 3,5kW (GIU 3.5BI)  
SH/IN 3500, 230VAC, 1N, 3,5kW (GIU 3.5BI)  
SH/IN 3500, 240VAC, 1N, 3,5kW (GIU 3.5BI)  
SH/IN 5000, 208VAC, 3N, 5kW (GIU 5.0BI)  
SH/IN 5000, 400VAC, 3N, 5kW (GIU 5.0BI)  
SH/IN 5000, 440VAC, 3N, 5kW (GIU 5.0BI)  
99570001  
99570002  
99570003  
99570004  
99570005  
99570006  
99570008  
SH/WO 3500, 208VAC, 1N, 3,5kW (GIWOK 3.5)  
SH/WO 3500, 230VAC, 1N, 3,5kW (GIWOK 3.5)  
SH/WO 3500, 240VAC, 1N, 3,5kW (GIWOK 3.5)  
SH/WO 5000, 208VAC, 3N, 5kW (GIWOK 5.0)  
SH/WO 5000, 400VAC, 3N, 5kW (GIWOK 5.0)  
SH/WO 5000, 440VAC, 3N, 5kW (GIWOK 5.0)  
SH/WO 8000, 400VAC, 3N, 8kW (GIWOK 8.0)  
192  
192  
185  
167  
90  
29  
31  
41  
23  
11  
10  
78  
99580016  
99580017  
99580018  
99580019  
99580020  
99580021  
99580025  
SH/WO/IN 3500, 208VAC, 1N, 3,5kW (GIWOK 3.5BI)  
SH/WO/IN 3500, 230VAC, 1N, 3,5kW (GIWOK 3.5BI)  
SH/WO/IN 3500, 240VAC, 1N, 3,5kW (GIWOK 3.5BI)  
SH/WO/IN 5000, 208VAC, 3N, 5kW (GIWOK 5.0BI)  
SH/WO/IN 5000, 400VAC, 3N, 5kW (GIWOK 5.0BI)  
SH/WO/IN 5000, 440VAC, 3N, 5kW (GIWOK 5.0BI)  
SH/WO/IN 8000, 400VAC, 3N, 8kW (GIWOK 8.0BI)  
192  
192  
185  
167  
29  
20  
41  
23  
141  
15  
Page 18  
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SECTION 9 – IR (INFRARED) INTERFACE  
To begin the IR communication, you will need the HyperTerminal software which is available in Microsoft Windows under,  
Start =>Program=>Accessories => HyperTerminal. Prior to the first use, HyperTerminal should be configured properly.  
Garland service requires the following settings listed below: 2400bps, 8bit, no parity,  
1 stop bit, hardware protocol.  
First connect the IR adapter into your PC or laptop computer. Place the IR sensor section onto the ceran glass towards the  
bottom left hand corner for counter top cookers. Position the IR sensor to the generator. Refer to figure #3 in this section for  
correct positioning. For all Wok cookers, you will be required to first remove the top wok bowl assembly. Place the IR adapter  
into the left hand corner, directly over the rectangular opening located on the metal sheet with ferrit stripes. For Wok cookers  
please refer to figure #4 for IR adapter positioning.  
Start HyperTerminal and put the access  
name, e. g. IR2400.ht.  
Select the communication via COM1 (or where  
your IR adapter has been connected).  
Part # 4521635 (03/04/08)  
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Select the following settings: 2400 Bits/sec., 8 Databits,  
no parity, 1 Stop bit, Hardware protocol.  
Setting IR 2400.ht should be saved so that there will be no need to put them again and the connection can be built-up by  
selecting symbol IR2400.ht.  
Figure # 3 – IR Adapter position for counter top (base-line) cookers  
For all counter top induction cookers (excluding all WOK models), position the IR adapter tool to the lower left hand corner of  
the ceran glass as shown in photo.  
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Figure # 4 – IR Adapter position for built-in (install-line) cookers  
IR Adapter to be positioned directly over  
rectangular opening, shown in photo.  
IR Adapter tool in position.  
Place Wok Bowl top assembly back  
onto cooker as shown and, begin  
testing using IR adapter tool.  
Part # 4521635 (03/04/08)  
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SECTION 10 – WIRING BLOCK SCHEMATIC  
Page 22  
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Part # 4521635 (03/04/08)  
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