KERBEROS POWER 1. ASSEMBLING Due to the safety of the goods during transport, Kerberos POWER is distributed partially dismantled. Depending on the configuration, one, two or three power modules must be inserted into the frame. They look the same, they differ only with an address that is set by two jumper - see pictures.
KERBEROS POWER 2. INSTALLATION When installing the KERBEROS POWER, it is necessary to take into account the working conditions in which it can work (see chapter Technical parameters of the user manual). It is also necessary to consider the sound of the inverter (especially the cooling fans).
KERBEROS POWER 3. CONNECTION 1. Connect photovoltaic panels to overvoltage protection switchboard. Connect to the grid. Ensure that the PV fuse switch and AC circuit breaker are in the off state. WARNING, the cables from the PV panels can be dangerous even in a little sunshine! breaker Earthing system...
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KERBEROS POWER 3. CONNECTION 2. Unscrew the bottom cover - be careful - it is connected through the Faston connector to the protective jumper wire! Disconnect it and reconnect it before reassembling the cover! Installation may only be carried out by a qualified person, in compliance with all occupational safety rules...
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KERBEROS POWER 3. CONNECTION 3. Provide the cables with the crimp terminals before connecting them to the terminal blocks. 4. Guide the cables through the grommets avoiding unnecessary crossing. After connecting the cables tighten swivel nuts of the grommets well. Output of heating element 2 Input of PV panels...
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KERBEROS POWER 3. CONNECTION 5. Plug the inlets from photovoltaic panels, heater outputs, mains supply and sensors of both thermal fuse and thermostat. Heating element 2 Panels 3 Panels 1 Termal Mains Heating Heating Panels 2 fuse element 1 element 3 Thermostat...
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KERBEROS POWER 3. CONNECTION 6. Recommended minimum cross-sections of cables: Inlet from PV panels : 2.5mm2 Outlet to boiler heater: 2.5mm2 Mains inlet: 1.5mm2 Thermal probe extension: 0.25mm2 Grounding cable: 4mm2 7. Insert both thermostat sensor and thermal fuse concurrently (or one dual sensor) into storage reservoir tank / boiler so that they are secured against ejecting.
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KERBEROS POWER 3. CONNECTION 8. Connect the heating element (elements) by min. 2.5 mm2 cross-section wires. If you use a three-phase heating element, it must have separate sections! Heating element section 2 Heating element section 1 Heating element section 3 Installation may only be carried out by a qualified person, in compliance with...
KERBEROS POWER 4. PUTTING INTO OPERATION 1. After checking the wiring, turn on the mains circuit breaker. 2.Using fuse switches connect one by one all the groups of PV panels to KERBEROS POWER. 3. Check the KERBEROS POWER function 4.Test the safety circuits of KERBEROS POWER by disconnecting the temperature sensors of the thermostat and thermal fuse.
KERBEROS POWER 5. TECHNICAL PARAMETERS Electric data of one photovoltaic power module* 1 - 3 pc Number of power modules Input open circuit voltage (limits) 200 - 340 VDC MPP tracking range 185 - 320 VDC Maximum output current Maximum efficiency 99 % Typical wiring 8 x 260 Wp**...
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