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Aquarea air-to-water heat pumps - Planning and installation manual - 02/2022
Contents
6.9 Starting up the system ............................................................................................................ 188
6.9.1 Evacuating the refrigerant circuit and carrying out a pressure test .................................. 188
6.9.2 Filling and venting the water system ................................................................................ 191
6.9.2.1 Filling hot water tank .......................................................................................................................... 191
6.9.2.2 Filling the heating or cooling circuit ................................................................................................... 191
6.9.3 Checking the system........................................................................................................ 192
6.9.4 Carrying out a test run ..................................................................................................... 193
6.9.5 Carrying out the system handover and instruction........................................................... 194
7 Maintenance ............................................................................................................. 195
7.1 Checking the water pressure .................................................................................................. 195
7.2 Checking the pressure relief valve ......................................................................................... 196
7.3 Conducting visual checks on the PCBs and terminals ........................................................ 196
7.4 Cleaning the strainers ............................................................................................................. 196
7.5 Checking the residual current circuit breaker (RCCB) ......................................................... 197
7.6 Checking the air purge valve and venting the system.......................................................... 198
7.7 Resetting the thermostatic overload protection ................................................................... 198
7.8 Carrying out maintenance work on the refrigerant circuit ................................................... 199
8 Appendix ................................................................................................................... 200
8.1 Extract from the operating instructions (J Generation) ....................................................... 200
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