Shutting Down The Heating System; Shutting Down The Heating System Via The Control Unit; Shutting Down The Heating System In An Emergency; Inspection And Maintenance - Buderus Logano plus GB402 Series Operating Instructions For Users

4

Shutting down the heating system

4 Shutting down the heating system
4.1

Shutting down the heating system via the control unit

NOTICE:
Frost damage!
If the heating system is not standing in a frost-proof room and is not in
operation, it may freeze up when exposed to frost. In summer mode or if
heating mode is blocked, only the device frost protection remains active.
▶ Leave the heating system switched on at all times whenever possible,
and set the flow temperature to at least 30 °C,
-or-
▶ Protect the heating system against frost by having the heating and
DHW pipes drained by a contractor from the lowest point.
▶ Shutting down the heating system via the ON/OFF switch at the
control unit (Chapter 2.3.1).
4.2

Shutting down the heating system in an emergency

Only use the boiler room circuit breaker or heating system emergency
stop switch to switch off the heating system in an emergency.
▶ Never risk your own life. Your own safety is paramount.
▶ Close off the fuel supply installed on site.
▶ Isolate the heating system from the mains power supply via the
heating system emergency stop switch or the main circuit breaker.
5

Inspection and maintenance

5.1

What makes regular service important?

Heating systems should be regularly serviced for the following reasons:
• To maintain a high level of efficiency and to operate the heating
system economically (low fuel consumption)
• To achieve a high level of operational reliability
• To maintain the cleanest possible combustion
NOTICE:
Material damage due to a lack of or incorrect cleaning and service.
▶ Have the heating system inspected, maintained and cleaned once a
year by a certified heating contractor.
▶ We recommend you enter a contract covering an annual inspection
and demand-based maintenance.
5.2

Cleaning and care

To clean the boiler:
▶ Do not use abrasive or aggressive cleaning agents.
▶ Clean the casing with a damp cloth (soapy solution).
8
6

Troubleshooting

6.1 Recognising the operating condition and clearing
faults
NOTICE:
Frost damage!
If the heating system is not standing in a frost-proof room and is not in
operation, it may freeze up when exposed to frost. In summer mode or if
heating mode is blocked, only the device frost protection remains active.
▶ Leave the heating system switched on at all times whenever possible,
and set the flow temperature to at least 30 °C,
-or-
▶ Protect the heating system against frost by having the heating and
DHW pipes drained by a contractor from the lowest point.
If a fault has developed, the fault code flashes on the control unit display.
For more information on rectifying the problem or on possible faults,
refer to the corresponding technical documentation of the installed
control unit.
If the fault cannot be cleared:
▶ Note down the fault message and notify a heating contractor.
Logano plus – 6720865368 (2019/05)