STIEBEL ELTRON SH S electronic с 26.04.2004 - Manual (Page 14)

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Instructions for „Signal anode in
unpressurized operating mode“
The display on the operating panel of the
signal anode for the pressurized water
heater provided as a standard fitting has no
function in the unpressurized operating
mode.
We recommend a conversion set with a
signal cartridge as display element in the
heating element space, Order No. 15 22 68.
The qualified installer can check the display
element of the signal anode after opening
the heating element space
L .
2.8 Electrical connection
• Remove the bottom cap from the device
by drawing off the regulator button and
removing the screws
H .
• electrical connection lead I .
• Electrical circuit diagram M
21 Thermostat
22 Safety temperature limiter
23 Pressure switch for signal anode
24 Heat content display
25 Plug distributor for N-lead
26 Terminal for power switchover
• Connection variant N
Connect the power rating required in
accordance with the connection example
and, if appropriate, replug the terminal
bridge (26).
2.9 Temperature selection
limitation
H
For:
– Greater safety against scalding
– Less energy consumption
– Less limescale formation
the temperature can be limited.
a Adjustment possibility of the
temperature limitation
b Customer to prepare position for
2.10 Installation conclusion
• Mark the connection power and
voltage on the device rating plate with
a ball-point pen.
• Place the bottom flap in position and
secure it with screws H .
• Press the temperature selector button
into position H .
2.11 First start-up
(may only be
carried out by a qualified installer)
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Fill the unit, deaerate it, and
flush it through thoroughly!
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Turn temperature selector
switch to the right as far as the
stop!
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Switch on mains electricity
supply!
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Check the operation of the
appliance!
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Check the safety group for
functional performance (in the
case of unvented operating mode)!
Delivery status:
• At temperatures of below - 15 ºC (e.g.
transportation/storage) the safety thermal
cut-out may trip. Press the reset button
(
D 12).
Handing over the unit:
Explain the function of the unit to the users
and familiarise them with its use.
Important notes:
• Advise the users about possible hazards
(such as scalding).
• Hand over these Operating and Installation
Instructions for safekeeping. All the
information provided in these Instructions
must be followed carefully. These
Instructions provide details about safety,
operation, installation, and the
maintenance of the unit.
2.12 Maintenance
• When carrying out any work, disconnect
all poles from the mains supply.
• Check the safety group regularly.
• Descale the element only after
dismantling. Do not treat the reservoir
surface and parasitic current anode with
descaling agents.
• Safety device:
Regulator-limiter combination immersion
depths
K :
a - Limiter sensor
b - Regulator sensor
• Draining the storage water heater
cylinder: Before draining the cylinder,
disconnect the unit from the mains supply.
– Close the isolating valve in the cold
water feed line.
– Open the hot water fittings fully at all
draw-off points.
– Unscrew the cap from the drainage
nozzle ( D 10).
Hot water may come out during
draining.
• The corrosion protection resistor J on
the insulating plate must not be damaged
or removed during servicing work. When
replacing the corrosion protection resistor
the assembly is to be re-established in the
correct manner.
a Copper heating element
b Insulating plate
c Pressure plate
d Corrosion protection resistor
• Check the signal anode and replace it as
soon as the „SERVICE ANODE“ signal
lamp on the operating panel lights up.
When replacing the anode, it is essential
for the pressure switch to be screwed in
tight.
In unpressurized operating mode, the
signal cartridge is to be checked (see also
2.7, Water Connection, „Signal anode
instructions“). If the cartridge
L is
showing a red colour, the anode should
be checked and replaced if necessary.
Tightening torque: 1
+0.5 Nm (finger-tight).