Installation and operation manual
NERA solar pumps
STOP MODULE
manSM_eng_02
Страница 1: ...Installation and operation manual NERA solar pumps STOP MODULE manSM_eng_02 ...
Страница 2: ...2 Index 1 STOP MODULE Introduction 3 2 Safety Instructions 3 3 Technical characteristics 4 4 Electric wiring 5 ...
Страница 3: ...ny other device float switch or pressure switch connected to the SM Disconnect the SM from the PV panels by removing the PV connectors before commencing any work Do not remove for any reason the cover and the cable plate without having first disconnected the device from the power supply and having waited at least 5 minutes SM PV panels and pumping system must be grounded properly before operation ...
Страница 4: ...on degree IP65 NEMA 4 Max Ambient Temperature 50 C 122 F Certifications CE IP65 protection grade is granted with perfect tightness of the cover screws and cable glands It is recommended anyway to protect the SM from the direct exposure to weather and direct sunlight ...
Страница 5: ...5 4 Electric wiring NERA pump output WARNING Respect polarity PV panels input WARNING Not exceed 190 VDC PV panels and NERA pump protection earth ...
Страница 6: ...6 Rocker switch connections Digital input Normally Closed or Normally Open for float switch or pressure switch connection WARNING Use only voltage free contacts ...
Страница 7: ...rl Nastec reserves the right to modify without notice the technical features contained in this manual Nastec srl Via della Tecnica 8 36024 Mossano Vicenza Italy Tel 39 0444 886289 Fax 39 0444 776099 www nastec eu info nastec eu ...
