York VCH-25A Installation Manual page 40

Press the appropriate openings on the edge of the unit
-1- until they are released.
Fit packing glands to fit the cable and pull the cable
through to the inside of the electrical panel through
the grommets in the tray -2-.
Connect the cable to the input connections indicated
and firmly tighten the set screws. Also consult the
Wiring diagrams, see on page 39 .
N O T E
The complete wiring diagram for the unit is attached
to the inside of the electrical panel.
The electrical panel is fitted with a phase detector to
ensure the electrical connection follows the sequence
of phases R-S-T. Where the connection does not
respect this sequence, the electronic control circuit
remains disconnected and the unit will not start.
To correct the phase sequence, change the position
of two of the three unit power cables on the input
terminals.
Control Line
Passing the power and control cables through the
front of the unit.
Press the appropriate openings on the edge of the unit
-1- until they are released.
Fit packing glands to fit the cable and pull the cable
through to the inside of the electrical panel through
the grommets in the tray -2-.
Connect the cable to the terminals indicated and
firmly tighten the set screws. Also consult the wiring
diagrams for the unit and
page 39 .
N O T E
The complete wiring diagram for the unit is attached
to the inside of the electrical panel.
Instructions for installation and connection of the unit 1.10
Wiring diagrams, see on
Installation manual
2
1
2
1
1
37