7
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Service and maintenance
101
ROTEX HeatPumpSolarUnit - Part 2 - 05/2009
7.2.3 HybridCube hot water storage tank and Booster Heater (EHS)
• Visual check of general state of ROTEX HybridCube.
• Visual check of connections and lines to HybridCube and to Booster Heater (EHS). In the event of damage determine the cause
Replace defective parts.
• Check all electrical components, connections, and cables.
Repair damaged parts or replace them.
• Check the water pressure of the cold water supply (<6 bar)
and if necessary the fitting or adjustment of the pressure reducer.
• Clean the storage tank (annually)
Only clean the easy-care plastic with soft cloths and a mild cleaning solution. Do not use cleaning agents containing
aggressive solvents, as this will damage the plastic surface.
Functional control by checking the temperature display and the switching states of the individual operating modes (see
Chapter
6 "Operation").
7.3
Confirmation of servicing
• Fill in confirmation of servicing in the operator manual for the ROTEX HeatPumpSolarUnit supplied.
• If a Solaris system is connected and is in operation, switch
it off and empty the collectors.
• Visual check of the water storage tank level (filling level
indicator)
If necessary, replenish water; determine the reason
for the low water level and remedy it.
• Check the connection of the safety overflow and drain
hose for leaks, free drainage and gradient.
If necessary clean the safety overflow and drain
hose and relay it; replace damaged parts.
Fig.7-4
Check condensation water drain
