Danfoss ECL Comfort 296 Service Manual

Also see for ECL Comfort 310: Installation guide Installation guide Installation guide Installation guide Mounting guide

Contents

Danfoss ECL Comfort 296 Service Manual Manual pdf 10 page image

10 | © Danfoss| 2017.06VI.LV.H1.02Service guide ECL 296 / ECL 310 Modbus8.0 Annexure B8.1 Selection of partsThere are many prebuilt connection options available on the marketon “surge protector base parts”, which lead to the unwanted groundlooping and hence low quality / loss of communication network(section 5 point 5).These parts look alike in part numbering system and in componentoutlook. So care must be taken to select the right parts. Refer thebelow for example:Possibilities for grounding the base element:• PT 1x2-BE - signal ground (pin 9/10) is shorted to PE (protectiveearth) (3/4)• PT 1x2+F-BE - spark gap between signal ground (pin 9/10) toPE (protective earth) (3/4)PT 1x2-BEPT 1X2 +F-BE