Supplementary set for heat quantity balancing

Safety instructions
The installation and commissioning as well as the connection of electrical components require technical knowledge commensurate with a recognised vocational qualification as a fitter for plumbing, heating and air conditioning technology, or a profession requiring a comparable level of knowledge [specialist].
The following must be observed during installation and commissioning:
- relevant local and national regulations
- accident prevention regulations of the professional association
- instructions and safety instructions mentioned in these instructions.

WARNING
Risk of burning and scalding!
The valves, fittings and the solar fluid can heat up to more than 100 °C. The solar fluid may escape as vapour and result in scalding.
- Only carry out maintenance work if the collector temperatures are below 50 °C.
- Wait until the solar fluid has cooled down to at least 50 °C. ,WARNING
Risk to life and limb due to electric shock!
- Prior to commencing electrical work, pull the mains plug!
- Only after completing all installation work, flushing and filling, the mains plug can be plugged into a socket. An unintentional start of the motors is thus avoided.
- De-energise all poles of the station before carrying out any work.
- The electrical connection must be carried out by a qualified electrician.
- The station(s) must be connected to an earthing system in accordance with the applicable laws.

CAUTION
Personal injury and material damage due to overpressure!
Closing both ball valves in the primary circuit will separate the safety group from the heat exchanger. A rise in temperature in the storage tank may result in high pressures, which may lead to personal injury and material damage!
- Only close the ball valves for service and maintenance.

NOTICE
Material damage due to mineral oils!
Mineral oil products cause lasting damage to seals made of EPDM, whereby the sealant properties get lost. We do not assume liability nor provide warranty for damage to property resulting from sealants damaged in this way.
- It is imperative to avoid that the EPDM sealing elements of the unit get in contact with substances containing mineral oils.
- Use a lubricant based on silicone or polyalkylene and free from mineral oils, such as Unisilikon L250L and Syntheso Glep 1 of the Klüber company or a silicone spray.