Appliance Handover; Shutting Down The System; Maintenance - STIEBEL ELTRON HSBC 300 cool (GB) (WPM) Operation And Installation Manual

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appliance handover

Operating lED indicator Control mode
button
3x Variable differential pressure
∆p-v
4x Variable differential pressure
∆p-v
5x Variable differential pressure
∆p-v
6x Constant differential pressure
∆p-c
7x Constant differential pressure
∆p-c
8x Constant differential pressure
∆p-c
*9x Constant speed
(*) Pressing the button for the 9th time in succession returns the
system to the factory setting (constant speed, curve III).
14. Appliance handover
f Explain the appliance function to users and familiarise them
with how it works.
f Make users aware of potential dangers.
f Hand over these instructions.

15. Shutting down the system

Material losses
!
Observe the temperature application limits and the min-
imum circulation volume on the heat consumer side (see
chapter "Specification / Data table").
Material losses
!
Drain the system when there is a risk of frost and the heat
pump is completely switched off (see chapter "Mainte-
nance / Draining the DHW cylinder").
f If you take the system out of use, set the heat pump manager
to standby so that the safety functions that protect the appli-
ance (e.g. frost protection) remain active.
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16. Maintenance

Curve
WARNING Electrocution
III
Carry out all electrical connection and installation work
in accordance with relevant regulations.
II
WARNING Electrocution
Before any work on the appliance, disconnect all poles
of the appliance from the power supply.
I
Draining the buffer cylinder
III
II
I
III
f Drain the buffer cylinder via the drain valve.
Draining the DHW cylinder
CAUTION Burns
Hot water may escape during draining.
f Close the shut-off valve in the cold water supply line.
f Open the hot water taps on all draw-off points.
f Empty the DHW cylinder via the cold water inlet connection.
Cleaning and descaling the DHW cylinder
Material losses
!
Never use descaling pumps or descaling agents to clean
the cylinder.
f Clean the appliance through the inspection flange.
For the torque of the flange screws, see chapter "Specification /
Dimensions and connections".
Replacing the signal anode
f Replace the signal anode if it becomes depleted.
HSBC 300 cool | 21