York ARC 045 Installation Manual page 30

1 Installation manual
1.15 Instructions for installation and connection of the unit
Bringing the power and control cables directly from
the Roof-curb
Remove the protective plate -1-.
Pull the cables through the gland at the base of the
unit. -1- and -5-.
Pull the cables through the grommet to the electrical
panel. -2- and -4-.
Seal the glands with silicone to ensure they are leak-
proof.
Replace the protective plate.
Passing the power and control cables through the
front of the unit.
Exchange the position of the side cover -3- and the
plate that has the grommet. -2- and -4-.
Press the the appropriate openings on the edge of the
unit -6- until they are released.
Place gland that fits the cable and pull the cable
through the grommet to the electrical panel. -2-.
Connect the cable to the input connections indicated
and firmly tighten the set screws. Also consult the
Wiring Diagrams.
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 re‐
spect this sequence, the electronic control circuit re‐
mains 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 ter‐
minals.
CONTROL LINE
26