STIEBEL ELTRON Accelera 300 - 4 Information label Hot water outlet; 9 Type plate; 5 Information label Relief valve; 6 Information label Relief valve installation location

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WWW.STIEBEL-ELTRON.COM ACCELERA 300/WHP 300 | 9
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INSTALLATION
COMMISSIONING
10. Commissioning
Only approved contractors may commission this equipment and
instruct the owner in its use.
» Fill, vent and thoroughly flush the appliance.
» Check the safety assembly. Inform the user that water may drip
from the safety valve whilst the water is being heated up.
» Switch ON the power supply
Note:
— Never operate the appliance outside the temperature range
6°C to 42°C.
— At temperatures below -10°C (e.g. transport/storage), the
safety temperature cut-out can respond (see figure in chapter
„Power supply“, pos. 9). Press the reset button to remedy this
situation.
26�03�01�1151
1
1 Reset button of the safety temperature cut-out
!
If the customer requires reduced hot water tempera-
ture as the factory preset water temperature is, please
reduce the hot water set point on both thermostats.
11. Troubleshooting
11.7.1 On the equipment
In case of a fault, the safety equipment of the appliance interrupts
the relevant power circuit.
!
Please note:
Before any work on the appliance, disconnect all poles
from the mains.
11.7.2 High limit safety cut-out (STB) electric booster heater
The electric booster heater is stopped if the DHW temperature
exceeds 95°C.
When the source of the fault has been removed, reset the high
limit safety cut-out by pressing the reset button (see above
figure). The appliances top cover should be opened for access to
this device as shown in chapter “Power supply”.
11.7.3 Safety high pressure limiter (SDBK)
The safety high pressure limiter shuts down the compressor, if
the pressure inside the refrigerant circuit exceeds the permissi-
ble maximum value. The safety high pressure limiter may also
respond, if the appliance is operated above its permissible limit
(>42°C air temperature) or the control thermostat of the heat
pump fails to respond. Reset the high pressure limit safety cut-
out by pressing the reset button (see figure in chapter „Power
supply“, pos. 12), after the cause of the fault has been removed.
11.7.4 Protective motor thermoswitch
The protective motor switch will shut down the compressor, if it
is overloaded because of excessive thermal load. Remove the re-
levant fault. The protective motor switch restarts the compressor
automatically after 5 - 15 seconds.