Glow-worm Ultracom2 sxi - External Accessories; Testing The Electrical Connections

0020112600_02-10/12-Glow-worm
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INSTALLATION
 
e
Under no circumstances must any mains voltage
be applied to any of the terminals on the 24v
connection plug.
230
V
X17
X18
RT 24V T° extBUS
BUS
24 V
1
2 3
4

 
 

 
 
• Fitexternalcontrolsinaccordancewiththerulesinforce.
• WheninstallinganoneBuscontroller,thelinkttedtothe
24Vterminals(RT/24V)mustberemoved.
 
Carryoutpreliminaryelectricalsystemchecksasbelow:
• Resistancetoearth(<1Ohm)
• Shortcircuittest(L-N)
• Resistancetoearth(L-E)
• Polaritycheck