Bosch Appliances Cooktop PCH 612 DAU User Manual

BOSCH  
MAKERS WARRANTY  
Cooktop  
Model Nos: PCH 612 DAU  
PCH 615 DAU  
PCH 615 FAU  
USER INSTRUCTIONS  
INSTALLATION INSTRUCTIONS  
MAINTENANCE INSTRUCTIONS  
This cooktop is for use with Natural and Propane gases  
Leave these instructions with the owner  
BOSCH  
Part No: W1532  
Version (Bosch) A  
 
Service  
Contents  
It is not always necessary to call the Service Centre. In  
some cases, you may be able to solve the problem  
yourself. This table contains some useful information.  
Contents ....................................................... 3  
Safety considerations ...................................... 4  
For your safety .......................................... 4  
What to do if you smell gas ......................... 4  
Warnings ................................................. 4  
Installation ..................................................... 6  
Preparing to install ..................................... 6  
Clearances ............................................... 7  
Installation of cooktop into kitchen bench ....... 7  
Installation procedure............................. 7  
Connection ............................................... 8  
Electrical connection .............................. 8  
Gas connection..................................... 8  
Conversion from Nat. Gas to Propane Gas .... 9  
To change injectors ................................ 9  
Injector size chart .................................. 9  
Minimum flame adjustment ................... 10  
Operating instructions ................................... 11  
Burner location ........................................ 11  
Burner ignition & control ........................... 11  
User instructions ........................................... 12  
Boiling burners ........................................ 12  
Wok trivet .......................................... 12  
Wire coffee support ............................. 12  
Cleaning and care ................................... 13  
Do’s .................................................. 13  
Don’t ................................................. 13  
Service ....................................................... 14  
Trouble shooting ...................................... 14  
Wiring diagram ...................................... 15  
Service contact telephone numbers ............. 15  
Trouble shooting  
chart  
Important:  
Only authorised personnel from the Service Centre  
are qualified to work on the main gas and electric  
systems.  
What’s wrong  
Possible cause  
Solution  
...If none of the electrical • Power turned off.  
• Turn power on.  
systems work.  
• Faulty fuse.  
• Check the fuse in the main  
fuse box and replace if faulty.  
• Check to see if the circuit  
breaker or a differential has  
been triggered in the mains  
supply box.  
• The automatic circuit  
breaker or mains.  
differential has been  
triggered.  
...If the electronic ignition • There may be food or • The gap between the spark  
system does not work.  
cleaning product  
particles between the  
spark plugs and the  
burners.  
plug and the burner needs to  
be cleaned carefullly.  
...If the flame on the  
burners is not evenly  
distributed.  
• The burner components • Put the components in their  
have not been  
correct positions.  
assembled properly.  
• The gas ports on the  
burners are dirty.  
• Clean the gas ports on the  
burners.  
...If the gas flow does not • The isolation valve is  
seem normal or there  
is no gas flow at all.  
• Open the isolation valve.  
closed.  
• If the gas is supplied  
from a gas bottle, it  
may be empty.  
• Replace the gas bottle with a  
full one.  
...If the kitchen smells  
of gas.  
• One of the valves has • Check to see if a valve has  
been left open.  
• Possible leak on the  
gas bottle coupling.  
been left open.  
• Check that the coupling on  
the gas bottle is in order.  
...If the safety cut-off  
devices on the different  
burners do not work.  
• The control knob has  
not been kept  
• Once ignited, keep the  
control pressed in for a few  
seconds.  
pressed in for long  
enough.  
• The burner ports are  
dirty.  
• Clean the burner ports.  
14  
 
3
Safety considerations  
• If the information in this manual is not followed ex-  
Do’s  
For your safety  
Cleaning  
actly, a fire or explosion may result causing prop-  
•Once the appliance is cold, clean it with a sponge  
and soapy water. Remove any spills immediately.  
This will avoid unnecessary effort later.  
erty damage, personal injury or death.  
• Do not store articles on or against this appliance.  
• Do not store flammable materials near this appli-  
• Allow burners and trivets to cool down before clean-  
ance.  
ing them.  
• Do not spray aerosols in the vicinity of this appli-  
ance while it is in operation.  
• The burners and trivets must be cleaned regularly to  
keep them in good condition. This is done by sub-  
merging them in soapy water and scrubbing them  
with a non-metal brush to keep the ports and slots  
free from obstructions so they give a perfect flame.  
Dry the burner caps and trivets whenever wet or  
damp.  
• After cleaning and drying ensure that the burner  
heads and caps are replaced correctly on the burner  
body. Refer Fig. 6.  
• The high temperatures generated by using the wok  
burner may cause the stainless steel hob of your  
hotplate to become discoloured over time. THIS IS  
NORMAL. Clean the hob with a product suitable  
for cleaning stainless steel.  
• The trivets on your hob are fitted with rubber feet.  
Be careful when cleaning as they may be dislodged  
during cleaning, leaving the stainless steel hob un-  
protected and subject to surface scratching .  
• Do not try to light the appliance.  
What to do if you  
smell gas  
• Do not touch any electrical switch; do not use any  
phone in your building.  
• Immediately call your gas supplier from a neighbour’s  
phone. Follow the gas supplier’s instructions.  
• If you cannot reach your gas supplier, call the fire  
department.  
• Installation and service must be performed by an  
authorised person.  
1. Do not allow the flame to extend beyond the edge  
of the cooking utensil. This instruction is based on  
safety considerations.  
2. Do not forget that the unit becomes hot when in  
use. Common sense is important. Just because  
the flame is out, does not mean parts cannot still  
be hot.  
3. This appliance shall not be used for space heat-  
ing. This instruction is based on safety considera-  
tions.  
Warnings  
Don’t  
• Never use abrasive products, sharp objects, steel  
scouring pads, knives, etc., to remove stubborn food  
remains from the hob surface, trivets and burners.  
• Do not allow acidic products such as vinegar, lemon  
juice, etc., to come into contact with the hob.  
4. Be sure to disconnect the electrical supply before  
disassembly of the appliance.  
5. Keep the appliance area clear and free from com-  
bustible materials, gasoline and other flammable  
vapours and liquids.  
6. This appliance must be installed in a position  
with the proper level of ventilation. Do not ob-  
struct the flow of combustion and ventilation air.  
7. Cabinets installed above the gas cooktop must  
have a minimum clearance of 650 mm (24”).  
8. The gas pressure regulator supplied with the ap-  
pliance must be installed in line with the gas pipe.  
(N.G. only)  
4
 
13  
User instructions  
Use ‘High flame’ setting to bring the pan to the boil,  
9. For pressure testing in excess of 3.5 kPa  
(1/2 psig) the appliance and its individual shut-  
off valve must be disconnected from the gas sup-  
ply piping system.  
Boiling burners  
then adjust the flame between ‘High flame’ and ‘Low  
flame’ to maintain the required pan temperature.  
Important:  
10. Important  
The use of a cooktop leads to the production of heat  
and moisture in the kitchen. For this reason make sure  
that the room is properly ventilated. Keep natural ven-  
tilation openings, such as windows, open or provide  
a mechanical ventilation device (e.g. a range hood or  
overhead exhaust fan).  
For safety and economic gas usage you should al-  
ways use the correct pan on the correct burner. Flames  
should not protrude beyond the base of the pan. You  
will save energy, time and money by always placing  
the correct pan size on the correct gas ring.  
See Fig. 15.  
When using a very large pot, leave a gap of at  
least 50 mm (2”) to avoid damaging any parts in  
bench top wood, plastic or other non-heat resistant  
materials. Never leave oil or hot fat unattended.  
Note: To avoid jeopardising the electrical safety of the  
appliance, it is forbidden to use high-pressure or steam  
jet cleaning devices.  
15  
The chart below gives the correct pan usage for each  
burner.  
Burner  
Recommended Minimum  
pan diameter  
pan diameter  
Small burner  
100 - 240 mm 100 mm  
Medium &  
wok burner  
180 - 260 mm 180 mm  
Wok trivet  
The hotplate is supplied with an extra wok trivet. This  
trivet must be used when using the wok burner for  
receptacles with diameters of more than 26cm diam-  
eter, griddle plates and all kinds of concave recepta-  
cles such as woks, etc.  
Wire coffee support  
This support is for use only with the small burner when  
supporting receptacles with a diameter of less than  
10cm.  
12  
 
5
Operating instructions  
Burner locations  
Installation  
This installation must conform with the following:  
Preparing to install  
Manufacturers Installation instructions  
Local Gas Fitting Regulations  
Municipal Building Codes,  
AGA Installation Code for Gas Burning Appli-  
ances. (AS 5601/AG 601)  
S.A.A. Wiring Code  
Local Electrical Regulations  
Any other statutory regulations  
These built-in hobs are intended to be inserted in a  
benchtop cutout.  
Only an authorised person should connect the appli-  
ance.  
13  
Installation dimensions are shown in Fig.1  
1. Medium burner  
2. Medium burner  
3. Wok burner  
5. Small burner  
Depress control knob and turn anti-clockwise to High  
flameposition. Hold the knob down for a few sec-  
onds until the flame ignites. Keep control knob de-  
pressed for a few seconds to activate the flame failure  
device. If ignition fails, depress knob again and wait  
for ignition. Turn anti-clockwise to set the flame to the  
desired intensity.  
Burner ignition &  
control  
All burners are fitted with a flame failure device which  
shuts off the gas supply if the flame extinguishes for  
any reason. To re-ignite, wait 30 seconds for any  
unburnt gas to disperse before repeating the ignition  
procedure described above.  
To turn off the gas supply to a burner turn the control  
knob clockwise to the OFFposition. (Refer Fig. 14)  
1
14  
Before connecting the unit, check whether the local  
connection conditions (type of gas) are compatible  
with the units settings. Observe any special condi-  
tions imposed by local suppliers (utilities). The specifi-  
cations of this cooktop are stated on the data label  
located on the bottom of the cooktop base.  
The control knob is used to adjust the flame of the gas  
burner.  
Low flamegraphic = lowest output  
High flamegraphic = highest output  
6
 
11  
A range hood fitted above the top must be installed  
according to the installation instructions for the range  
hood. A minimum distance of 650 mm is required for  
a range hood and 750 mm for an exhaust fan.  
If the distance measured from the periphery of the  
nearest burner to any vertical surface is less than 200  
mm, the surface shall be protected in accordance with  
clauses 5.12.1 & 5.12.1.2 of AS 5601/AG 601.  
Minimum flame adjustment  
1 Turn the control knob to minimum.  
Clearances  
2 Remove the control knob from the valve spindle.  
Refer Fig. 8.  
3 Using a screwdriver carefully pry off the hard plas-  
tic seal. Refer Fig. 9.  
4 Using a small screwdriver carefully remove the soft  
rubber seal. Refer Fig. 10.  
Leave a space at least 100mm between any drawer,  
partition or oven that is installed underneath the  
cooktop.  
5 The adjustment screw is positioned at the rear lower  
section of the valve. Refer Fig. 11 & 12.  
Minimum thickness of benchtop is 15mm. See Fig. 2.  
6 To adjust the minimum flame for N.G. replace the  
control knob onto the spindle, light the gas and  
turn the control knob to the small flame position.  
Screw the adjustment screw anti-clockwise to es-  
tablish a minimum stable flame position. The flame  
should remain alight and not burn back to the in-  
jector when the valve is turned quickly from Full  
Onto the Minimum flameposition and back a  
few times.  
2
To adjust the minimum flame position for LP Gas  
Installation procedure:  
1. For cutout dimensions and clearances refer Fig 1.  
the screw must be fully tightened down clockwise.  
Installation of cooktop  
into the kitchen bench  
7 Remove the control knob, replace the seals in re-  
verse order and refit the control knob.  
2 The hotplate is factory fitted with sealing tape  
around the lower edge of the hob and two pres-  
sure clamps front and rear. The seal keeps the en-  
tire work surface watertight and prevents spillage  
from leaking into cupboards underneath. Please  
ensure that the sealing tape is not disturbed during  
the installation process. Refer Fig. 3.  
9
8
3
10  
11  
3 Place hotplate on top of the bench cut-out and press  
down firmly on all edges at the same time to en-  
sure that the hob is resting on its entire perimeter.  
NOTE: If it is necessary to dismount the hob, press  
12  
upwards only from underneath.  
10  
 
7
Installation continued  
It should be expressly noted that we cannot accept  
any liability for direct or indirect damage caused by  
wrong connection or improper installation. When  
being repaired, the appliance must always be  
disconnected from the mains supply; if required,  
notify our customer service.  
Connection  
Electrical:  
An electrical 10 amp socket needs to be within 1 m of  
the hotplate to allow electrical connection. The socket  
must remain accessible after installation of the appli-  
ance.  
Important note:  
To change injectors  
Request change-over injectors from our customer serv-  
ice department (refer injector chart below for sizes).  
Converting the cooktop  
from Nat. Gas to  
Propane Gas  
This appliance is connected to the mains (240 VAC)  
by means of the connecting lead which must be fixed  
to the kitchen unit to prevent it from coming into con-  
tact with hot parts of the hob (or an oven installed  
underneath).. When making this connection make sure  
that the lead cannot come into contact with hot parts  
of the hob.  
Natural Gas  
Propane Gas  
Injector Hourly Gas  
Burner  
Injector Hourly Gas  
size(mm) Consumption size (mm) Consumption  
(mm)  
Important: This appliance must be earthed.  
(MJ)  
14.0  
6.5  
(mm)  
0.97  
0.67  
0.5  
(MJ)  
13.25  
6.25  
3.25  
6.25  
Left Front (wok) 1.70  
Gas:  
Left Rear  
1.20  
0.90  
1.20  
During the planning stage, consider the position of  
supply connections.  
Right Front  
Right Rear  
4.0  
The hob must be connected to the gas supply with  
upstream connection of an isolation valve in accord-  
ance with the respectively valid regulations. We rec-  
ommend that the isolation valve be fitted prior to the  
cooktop to enable isolation of cooktop from gas sup-  
ply. The valve must be easily accessible at all times.  
6.5  
0.67  
Before conversion the cooktop must be disconnected  
from the electricity and gas valves must be turned to  
the OFF position.  
1 Remove the trivets, burner caps and burner heads.  
To find out the factory set gas type, see bottom of  
cooktop next to gas connection.  
Refer Fig. 6  
2 Change the injectors using a 7-mm socket wrench  
and be sure to tighten them down properly so that  
they are fully airtight. Refer Fig. 7.  
Remove plastic cap from gas supply line prior to in-  
stallation.  
Fit regulator (N.G.) or Propane fitting (Propane) di-  
rectly to the R1/ connection as per Fig. 4 and Fig. 5.  
Direction of ga2s flow is indicated on the rear of the  
regulator.  
3 Re-assemble the burner component parts in reverse  
order.  
NOTE: it is not necessary to adjust the primary air  
control on these burners.  
For position of the inlet connection refer Fig.1.  
Natural gas connection  
Propane gas connection  
4
5
6
7
8
 
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