Commissioning; Completing Installation; Appliance Handover; Recommissioning - Stiebel Eltron SHZ 30 LCD Utilisation Et Installation

INSTALLATION

Commissioning

Note
You can only change the output and operating mode
when the power supply is isolated.
E Single circuit operation
Z Dual circuit operation
B Manual rapid heat-up operation
1 Output 1
2 Output 2
3 Output 3
Note
For special circuits without external contactors for tariff
changeover (dual circuit operation, dual meter measur-
ing, 1/N/PE ~ 230 V), please see chapter "Specification /
Wiring diagrams and connections".
f Select the output and operating mode with the switches on
the control unit electronic assembly and select the required
connection (see chapter "Specification / Wiring diagrams and
connections").
f Tick the selected connected load and voltage on the type
plate with a ballpoint pen.
f If required, connect a remote control for rapid heating to the
mains terminal.

10.4 Completing installation

f Plug the 5-pole plug-in connection of the connecting cable
onto the electronic assembly for operation, position X2.
f Position the bottom cap.
f Insert the 4 screws.
Sealed unvented (pressure-tested) operation:
f Connect the safety assembly with the appliance by securing
the pipes to the appliance with screws.
Open vented (non-pressurised) operation
f Connect the appliance to the tap.
11. Commissioning
11.1 Commissioning
f Open the DHW valve until the appliance has filled up and the
pipes are free of air.
f Observe the maximum permissible flow rate with a fully
opened tap (see chapter "Specification / Data table").
f Sealed unvented (pressure-tested) operation:
If necessary reduce the flow rate at the butterfly valve of the
safety assembly.
Fit the discharge pipe of the safety assembly with a constant
slope.
Observe the information in the installation instructions of the
safety assembly.
34 | SHZ LCD
f Switch the mains power ON.
f Check the function of the appliance. If necessary, check the
function of the rapid heater.
f Sealed unvented (pressure-tested) operation:
Check the function of the safety assembly.
If an outlet temperature of 55 °C is achieved after commission-
ing, the temperature is automatically balanced and scale build-up
detection is switched on. This interrupts heat-up for approx. 5
minutes.

11.1.1 Appliance handover

f Explain the appliance function to users and familiarise them
with its operation.
f Make users aware of potential dangers, especially the risk of
scalding.
f Hand over these instructions.

11.2 Recommissioning

See chapter "Commissioning".

12. Settings

(See also chapter "Specification / Wiring diagrams and connec-
tions").

12.1 Switching on commercial mode

f To switch on commercial mode, replug the relevant jumper.
S Jumper ECO (energy saving mode)
E ECO on (factory setting)
A ECO off (commercial mode)

12.2 Switching on reverse control

f To switch on reverse control, replug the jumper.
R Reverse control jumper
E Reverse control on
A Reverse control off (factory setting)

13. Shutting down

f Disconnect the appliance from the mains at the MCB/fuse in
the fuse box.
f Drain the appliance. See chapter "Maintenance / Draining the
appliance".
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