ENGLISH - STEAM OR HOT WATER HAZARD. Before removing the actuator from the valve or opening the valve, ensure that the valve control medium is isolated and relieves the pressure. Work should only be carried out by a qualified technician. RM motors are at main potential. Local wiring regulations and usual safety precautions must be observed. Note earthing requirements. Do not apply any voltages until a qualified technician has checked the system and the commissioning procedures have been completed. Mains voltage isolators must conform to EN 60335-1. 24Vac devices must be supplied by a trans-former conforming to EN 61558.
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