Carrier 42PHQ Series Installation Manual

Contents

GB - 1042PHQ ...PIndoor unit wiring• Lift the front panel up to the top of the unit; in this way thefront panel will be separated from the unit.• Remove the plastic cover of the terminal board.• Make the electrical connections to the terminal board as perthe wiring diagram.• When the electrical connections are completed, refit theterminal board cover and fix the cables with the special cableholders.• Fix the front panel to the latch of the frame grille.IMPORTANT:• Make refrigerant connections before electricalconnections.When disconnecting, disconnect electrical connections beforerefrigerant connections.• For sizes 007 - 009 - 012 - 014 make ground connectionprior 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 proceedingto mains supply unit connection.• Before proceeding with the connection to the mains supplylocate live L and neutral N, then make connections as shownin the wiring diagram.• Ensure that mains supply connection is made through a switchthat disconnects all poles, with contact gap of a least 3 mm.• The indoor - outdoor unit connecting wires must be A07 RN-Ftype (or higher), with synthetic rubber insulation with Neoprenecoating, according to EN 60335-2-40 and HD277.S1 codes.• The mains supply connecting cable must be H07 RN-F type (orhigher), 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 madevia the refrigerant pipes.Notes:All field electrical connections are the responsibility of theinstaller.Electrical connection