Electrical Connection - Carrier 42PHQ Series Installation Manual

42PHQ ...P

Electrical connection

IMPORTANT:
• Make refrigerant connections before electrical
connections.
When disconnecting, disconnect electrical connections before
refrigerant connections.
• For sizes 007 - 009 - 012 - 014 make ground connection
prior to any other electrical connections.
• The mains supply must be connected as follows:
sizes 007 - 009 - 012 - 014: to the indoor unit.
sizes 018 - 024 : to the outdoor unit.
• Make electrical connections between units prior to proceeding
to mains supply unit connection.
• Before proceeding with the connection to the mains supply
locate live L and neutral N, then make connections as shown
in the wiring diagram.
• Ensure that mains supply connection is made through a switch
that disconnects all poles, with contact gap of a least 3 mm.
• The indoor - outdoor unit connecting wires must be A07 RN-F
type (or higher), with synthetic rubber insulation with Neoprene
coating, according to EN 60335-2-40 and HD277.S1 codes.
• The mains supply connecting cable must be H07 RN-F type (or
higher), with synthetic rubber insulation with neoprene coating,
according to EN 60335-2-40 and HD277.S1 codes.
• Ground connection between indoor and outdoor units is made
via the refrigerant pipes.
Notes:
All field electrical connections are the responsibility of the
installer.
GB - 10
Indoor unit wiring
• Lift the front panel up to the top of the unit; in this way the
front panel will be separated from the unit.
• Remove the plastic cover of the terminal board.
• Make the electrical connections to the terminal board as per
the wiring diagram.
• When the electrical connections are completed, refit the
terminal board cover and fix the cables with the special cable
holders.
• Fix the front panel to the latch of the frame grille.