Title: +175=737.001_IK001_Brukermanual for Refra varmepumpe.Produktinformasjon.pdf
Unit starting should only be performed by qualified personnel with experience in unit installations of this type.Carefully read hydraulic and electrical circuit installation.Follow this sequence: - Ensure, that all circuit breakers in the control panel in the off position - Apply power to set - Turn on the machine power microprocessor control unit - Check all your settingsChecking and adjusting coolant circulation system - Check condenser valves - Check all your settings.After following these steps - Turn off machine power microprocessor control unitHeating the compressor crankcase - Turn on the compressors protective circuit breakers At the same time are powered by compressor crankcase heaters. Compressor crankcase has to warm up for at least 12 hours before start. Heating the crankcases of compressors needed for evaporation of refrigerant from the oil and thus to guarantee optimum lubrication of the compressors. - Before start the unit, make sure that the compressors crankcase is warm.