Carrier 18K Installationshandbuch Seite 20

NOTE: When connecting the wires, strictly
follow the wiring diagram found inside the
electrical box cover.
2. Remove the electric cover of the outdoor unit.
If there is no cover on the outdoor unit, take
off the bolts from the maintenance board and
remove the protection board.
3. Connect the u-lugs to the terminals Match the
wire colors/labels with the labels on the terminal
block. Firmly screw the u-lug of each wire to its
corresponding terminal.
4. Clamp down the cable with the cable clamp.
5. Insulate unused wires with electrical tape. Keep
them away from any electrical or metal parts.
6. Reinstall the cover of the electric control box.
Indoor Unit Wiring
1. Prepare the cable for connection
a. Using wire strippers, strip the rubber jacket
from both ends of the signal cable to reveal
about 15cm (5.9") of the wire.
b. Strip the insulation from the ends of the
wires.
c. Using a wire crimper, crimp the u-lugs to the
ends of the wires.
2 Open the front panel of the indoor unit. Using
a screwdriver,remove the cover of the electric
control box on your indoor unit.
3. Thread the power cable and the signal cable
through the wire outlet.
4. Connect the u-lugs to the terminals. Match
the wire colors/labels with the labels on the
terminal block. Firmly screw the u-lug of each
wire to its corresponding terminal. Refer to the
Serial Number and Wiring Diagram located on
the cover of the electric control box.
Page 18-GB
control box
Cover
Magnetic ring (if supplied and packed with the
Screw
accessories)
• While connecting the wires, please strictly
follow the wiring diagram.
• The refrigerant circuit can become very hot.
Keep the interconnection cable away from the
copper tube.
5. Clamp down cable with the designated cable
clamp to secure it in place. The cable should
not be loose, and should not pull on the u-lugs.
6. Reattach the electric box cover.
wire outlet
Wiring diagram
Connective wiring diagram
Pass the belt through the
hole of the Magnetic ring to
fix it on the cable
CAUTION