Confirmation Of Servicing - Rotex HPSU compact 508 Instruction Manual

• Carry out a function check of the HPSU compact, and all installed accessory components (booster, backup heater,
Solaris installation...) by checking the temperature display and switch states in the different operating modes.
• If a Solaris system is connected and is in operation, switch it off and empty the collectors.
• When operating the HPSU compact in a bivalent-alternative system; switch off all heat generators and deactivate the bivalent
control unit.
• Visual check of general condition of the HPSU compact.
• Visual check of the water storage tank level (filling level indicator).
• Check the connection of the safety overflow and drain hose for leaks, free drainage and gradient.
• Visual check of connections, lines and safety pressure relief valve. In the event of damage, determine the cause.
• Check all electrical components, connections and cables.
• Check the water pressure of the cold water supply (<6 bar).
• Check system water pressure on pressure gauge on HPSU compact.
• Clean plastic surface of HPSU compact with a soft cloth and mild cleaning agent. Do not use cleaning agents containing
aggressive solvents, as this will damage the plastic surface.
6.3

Confirmation of servicing

• Complete the confirmation of servicing in the supplied operating manual of the HPSU compact.
BA ROTEX HPSU compact 2 - 04/2011
The HPSU compact is practically maintenance free as a result of its design. No corrosion protection equipment
is required (such as expendable anodes). This means there is no need for maintenance work such as changing the
protective anodes or cleaning the inside of the storage tank.
– Check the filling level, if necessary replenish water.
If necessary, replenish water; determine the reason for the low water level and remedy it.
If necessary, clean the safety overflow and drain hose and relay it; replace damaged parts.
Replace defective parts.
Repair damaged parts or replace them.
If necessary, fit or adjust pressure reducer.
You may need to replenish the water in the heating system until the pointer of the pressure gauge on the HPSU compact
returns to the green zone.
6 x Maintenance
57