Cleaning; Maintenance And Decommissioning [Specialist] - Viessmann Solar-Divicon DN20B Installation, Start-Up And Service Instructions Manual

Solar-Divicon DN20B Installation, Start-up, Service
5.

Cleaning

Risk of burns!
The valves, fittings and the pump
may heat up to more than 212 °F
(100 °C) during operation.
 The shell must remain closed
when cleaning.
Clean the solar station only from the outside with a damp cloth. Never use scouring or sand-containing cleaning agents.
6.

Maintenance and decommissioning [specialist]

Before maintaining and decommissioning the product, you must read and observe the following safety instructions:
Risk of electric shock!
 Disconnect all electrical devices in
the heating circuit from the power
supply before carrying out
maintenance work or
decommissioning!
 Secure the electrical devices
against being switched on again.
16
Risk of burns and scalding!
 The valves and fittings may heat up
to more than 212 °F (100 °C).
During maintenance or
decommissioning, the solar fluid
may escape as vapor and result in
scalding!
 Flush and fill the system only if the
collector temperatures are below
122 °F (50 °C).
 Wait until the solar fluid has cooled
down to 122 °F (50 °C).