Siemens ER726RB71E: Safety instructions Before installing Preparation of unit (fig. 1-2) Installation of appliance Removing the hob Gas connection (fig. 4) Electric connection (fig. 5) Changing the gas type

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Read the appliance's instructions before 

installing and using.

The graphics in these Assembly 

instructions are given as a guide only.

The manufacturer is exempt from all 

liability if this manual's requirements 

are not complied with.

Safety instructions

All operations relating to installation, 

regulation and conversion to other 

types of gas must be carried out by 

an authorised installation engineer, 

respecting applicable regulations, 

standards and the specifications of 

the gas and electricity providers.

Before you begin, turn off the 

appliance's electricity and gas 

supply.

You are recommended to contact the 

Technical Assistance Service to 

convert to another type of gas.

This appliance has been designed for 

home use only, not for commercial or 

professional use. This appliance cannot 

be installed on yachts or in caravans. 

The warranty will only be valid if the 

appliance is used for the purpose for 

which it was designed.

Before installing, you need to check that 

local distribution conditions (gas type 

and pressure) and the appliance's 

adjustment are compatible (see table I). 

The appliance's adjustment conditions 

are written on the label or the 

specifications plate.

This appliance can only be installed in a 

well-ventilated place in accordance with 

existing regulations and ventilation 

specifications. The appliance must not 

be connected to a combustion product 

evacuation device.

The supply cable must be attached to 

the unit to prevent it from touching hot 

parts of the oven or hob.

Appliances with electrical supply must 

be earthed.

Do not tamper with the appliance's 

interior. If necessary, call our Technical 

Assistance Service.

Before installing

This appliance is class 3 type, according 

to the EN 30-1-1 regulation for gas 

appliances: built-in appliance.

The units next to the appliance must be 

made of non-inflammable materials. The 

laminated covering and glue for 

adhering it must be heat resistant.

This appliance cannot be installed 

above fridges, washing machines, 

dishwashers or similar.

The hob may only be fitted above a 

ventilated oven.

If an oven is installed underneath the 

hob, the thickness specified for the work 

surface may exceed the minimum 

thickness stated in these instructions.

If an extractor fan is installed, you must 

follow the installation manual's 

instructions, always keeping a minimum 

distance of 650 mm to the hob.

Preparation of unit (fig. 1-2)

Make a cut of an appropriate size in the 

work surface.

If the hob is electric or mixed (gas and 

electricity) and there is no oven below, 

place a non-inflammable separator 

(e.g.metal or plywood) 10 mm from the 

bottom of the hob. This will prevent 

access to the base of the hob. If the hob 

is gas, it is recommendable to place the 

separator at the same distance. 

On wooden work surfaces, varnish the 

cutting surfaces with a special glue to 

protect them from moisture.

Installation of appliance

Note: 

Wear protective gloves to fit the 

hob.

The clips and the adhesive seal 

(underside of the hob) are factory-fitted, 

do not under any circumstances remove 

them. The seal ensures that the entire 

work surface will be watertight, and 

prevents water seepage. In order to fit 

the appliance into the kitchen unit, first 

place the hob in the correct position then 

loosen each of the clips so that

they all turn freely (it is not necessary to 

completely undo them). Fit and centre 

the hob.

Press the sides of the hob until it is 

supported around its entire perimeter. 

Turn the clips and tighten them fully. The 

screws for the clips must be vertical to 

the base of the housing. Fig. 3.

Removing the hob

Turn off the electricity and gas supply to 

the appliance.

Unscrew the clips and proceed in the 

reverse order to installation.

Gas connection (fig. 4)

The end of the inlet connection point of 

the gas hob has a 1/2” (20.955 mm) 

thread that allows for:

- rigid connection.

- connection using a flexible metal hose 

(L min. 1 m - max. 3 m). With this option, 

you must prevent the hose from coming 

into contact with the moving parts of the 

kitchen unit (for example, a drawer) or 

accessing any spaces which might 

become obstructed. 

If you need to make a cylindrical 

connection, replace the factory-fitted L-

tube with the one in the accessory bag. 

Fig. 4a.

Please remember to insert the seal.

Warning! If any connection is handled, 

check for tightness. Danger of leaks.

The manufacturer shall not be held liable 

if any connection should leak, after 

being handled.

Electric connection (fig. 5)

Check the voltage and power of the 

appliance are compatible with the 

electrical installation.

The hobs are supplied with a power 

cable with or without a wall socket plug. 

Provide an omnipolar cut-off switch with 

a minimum contact gap of 3 mm (except 

for plug connections, if the user has 

access to it).

Appliances with plugs must only be 

connected to sockets that have earth 

wires correctly installed.

This appliance is type “Y”: the input 

cable can only be changed by the 

Technical Assistance Service and not 

the user. The cable type and minimum 

cross-section must be respected.

Changing the gas type

If the country’s regulations permit, this 

appliance can be adapted to other types 

of gas (see specifications plate). The 

components necessary for this are in the 

transformation kit supplied (according to 

model). The kit is also available from our 

Technical Assistance Service. The 

following steps should be taken:

A) Changing the nozzles of the rapid, 

semi-rapid and auxiliary burners of 

the hob (fig. 6):

- Remove the pan supports, burner 

covers and diffusers.

- Change the nozzles using the spanner 

provided by our Technical Assistance 

Service (code 424699), taking special 

care to ensure that the nozzle does not 

fall when it is removed from or fitted to 

the burner.

Ensure that they are completely 

tightened to guarantee the seal. Primary 

air adjustment is not necessary with 

these burners.

B) Changing the nozzles for double-

flame burners (fig. 7):

The glass panel and frame are fixed to 

the rest of the hob using a clip mounting 

system. The following steps must be 

taken to remove the glass panel and 

frame:

- Remove all the burner covers and pan 

supports. Fig. 7a.

- Loosen the screws on the burners, fig. 

7b-7c, and remove the control knobs 

from their respective housings.

Use the disassembly lever 483196 

available from our Technical Assistance 

Service. To release the front clips, apply 

the lever in the area shown in figures 8 

according to the hob model.

Never use the lever on glass edges 

which have no profile or frame!

- To release the rear clips, carefully raise 

the entire glass panel and frame, as in 

fig. 8a.

Changing the outer flame nozzle 

(fig. 9a):

- Loosen the clamp screw to release the 

bushing by moving it backwards to 

access the main nozzle easily. Fig. a1.

- Remove the outer flame nozzle by 

turning it towards the left. Fig. a2-a3.

- Screw in the new outer flame nozzle. 

Fig. a3-a4, as in table II.

- Adjust the distance of the airflow 

adjusting bushing L2 according to the 

value -Z- shown in table II. Fig. a5.

- Tighten the clamp screw. Fig. a6.

Changing the inner flame nozzle 

(fig. 9b):

- Unscrew the part M3 from the threaded 

part M2; to do this, hold the threaded 

part in the opposite direction.

- Remove the pipe from the M2 part. Fig. 

b2.

- Disassemble parts M2 and M4 from 

part M1. Fig. b3-b4.

- Remove the inner flame nozzle M4 

from part M2. Fig. b5-b6.

- Screw in the new inner flame nozzle 

M4, according to table II. Fig. b6-b7.