BA_GMLW OTE bis V3.4 SHORT_EN_20090408_V1 Page 14 of 255.2 Check list for commissioningAdhere to the following sequence:1) Check heating system circuit: System-pressure, expansion vessel function,bleeding valves, quantity adjustment2) Check whether all non-return valvesare open3) Check power supplies and circuitbreakers4) Check refrigerant circuit5) Check the electrical connections to thesystem components, including all re-quired safety equipment, according tothe wiring diagram.6) Switch on 3-phase supply to the heatpump.7) Control 3-phase supply and right-handrotary field8) Switch on control voltage supply9) Configure the system by means of thecommissioning (IBN) assistant10) Store the sensor configuration11) Relay test on the output terminals12) Adjust the system according to user re-quirements and document these set-tings13) Hand over system to operator6 Operating the systemThe heat pump operation takes place by meansof the basic operating panel. This is easily ac-cessible in a plastic housing mounted on theheat pump.The user has 2 knobs and a lit display at hisdisposal (Fig. 9)Fig. 9:Basic control panel (Master remote control)The heat pump has no separateOFF switch. In emergency the sys-tem MUST be switched off by meansof the specified circuit breakers.The circuit breakers MUST be soreachable as to ensure a switchingoff at any time6.1 Safety functionsFollowing safety features are implemented fromboth Hard- and Software:- Electric control and safety devices for thecompressor- High pressure safety pressostat- Start delay to avoid compressor chopping.- Frost protection function6.2 Running costsPointer:For optimum heat pump operation,the lowest possible flow temperatureto the heating circuit should set.ESC- knobDisplayadjustment knob