Electrical Connection For Indoor Unit; Indoor Unit Wiring - Carrier 42ADF025 Installationsanweisung

42ADF025, 42ADF035

Electrical Connection for Indoor Unit

IMPORTANT:
• Make refrigerant connections before electrical
connections.
When disconnecting, disconnect electrical connections before
refrigerant connections.
• Make ground connection prior to any other electrical
connections.
• The mains supply must be connected to the indoor unit.
• Make electrical connections between units prior to proceeding
to mains supply unit connection.
• Connect the wires to the terminals according to the wiring
diagram and r mly tighten.
• Before proceeding with the connection to the mains supply
locate live L and neutral N, then make connections as shown
in the wiring diagram.
• Check that the impedance of the mains power supply is
in conformance with the unit power input indicated on the
electric data table of outdoor unit installation manual.
• 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 H07
RN-F type (or higher), with synthetic rubber insulation with
Neoprene coating, according to EN 60335-2-40 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 codes.

Indoor Unit Wiring

Terminal
cover
Screw
Screw
Model
42ADF025,
42ADF035
Terminal box legend, all models
L Live power supply
N Neutral power supply
Earth
1 Live connection indoor/outdoor unit
2 Neutral connection indoor/outdoor unit
3 Communication, indoor-outdoor units
Terminal block
Cord clamp 2
Cord clamp 1
Kytkentäjohdon minimihalkaisija (mm
L N
1.5 1.5
Notes:
All eld electrical connections are the responsibility of the
installer.
• Pull out cover body of the unit by removing two screws.
• Separate the I panel from the unit and detach the terminal
cover.
• Connect the electrical connection cord with the screws to the
terminal block of the indoor unit, referring to wiring diagram.
• Every wire must be connected r mly by using cord clamps.
• The outside of electrical connection cords is assembled near
a projection rib. If not, cords separate.
When connections are completed, reinstall and x the terminal
cover with screws and front panel.
Cover body Pipe Cover
2 )
1
1.5 1.5
Power supply
Connecting cable, indoor-outdoor units
Indoor unit
Outdoor unit
Main switch
Time-delay fuse or circuit breaker
GB
E N G L I S H
Cord Clamps
2 3
1.5 1.5
5