PVI 36TL Installation and Operation Manual (Rev H)
DOCR-070588-H
Page
66
of
120
Connection Plan:
You can connect a LED or other loads to indicate the operational status of the
inverter, as shown in the following figure:
Figure 2.48 - Dry Contact Communication Schematic Diagram
If you connect the contact port to the power distribution grid, you must install
an individual miniature circuit-breaker between the dry contact and the power
distribution grid.
Dry Contact Communication Cable Connection:
Warning: If the unit is running, turn off both disconnects and wait 5 minutes before
performing any work.
a.)
Remove the plugs from holes for suitable cable conduits of 3/4 inch.
b.)
Put the dry contact communication cable through the cable conduit and inside
the wiring box.
c.)
Use double-layer insulated cables. Strip the cables according to the
following requirements.
COM
N.C.
N.O.
COM
N.C.
N.O.
COM
N.C.
N.O.
+ -
Light on in trouble free operational
Light on in error
Line circuit Breaker( 3 A)
(or L N)
COM
N.C.
N.O.
COM
N.C.
N.O.
COM
N.C.
N.O.
+ -
Line circuit Breaker( 3 A)
(or L N)
Fault
In operation
In operation
