INVENTOR V5MFI-66, User & Installation Manual

Page: 34 / 160

NOTE: The cographs are for explanation
purpose only. Your machine may be
slightly different. The actual shape shall
prevail.

Page 34

Outdoor Unit Wiring
Before performing any electrical or wiring
work, turn off the main power to the
system.
1. Prepare the cable for connection
a. You must first choose the right cable
size. Be sure to use H07RN-F cables.
Minimum Cross-Sectional Area of
Power and Signal Cables (For reference)
Rated Current of
Appliance (A)
Nominal Cross-Sectional
Area (mm²)
> 3 and
≤
6
0.75
> 6 and
≤
10
1
> 10 and
≤
16
1.5
> 16 and
≤
25
2.5
> 25 and
≤
32
4
> 32 and
≤
40
6
NOTE ON AIR SWITCH
When the maximum current of the air conditioner
is more than 16A, an air switch or leakage
protection switch with protective device shall be
used(purchased seperately) .
When the maximum current of the air conditioner
is less than 16A, the power cord of air conditioner
shall be equipped with plug (purchased
seperately) .
Indoor unit
Outdoor unit
Air switch
(purchased seperately)
(purchased seperately)
Outdoor unit power wires Indoor & Outdoor
connective wires
(A)
Indoor unit
Outdoor unit
Air switch
(purchased
seperately)
Air switch
(purchased seperately)
(purchased seperately)
Indoor unit power wires
Indoor & Outdoor
connective wires
Outdoor unit power wires
Indoor unit
Outdoor unit
Air switch
(purchased
seperately)
(purchased seperately)
Indoor unit power wires
Indoor & Outdoor
connective wires
(B)
(C)
WARNING
 Page 35 
b. Using wire strippers, strip the rubber jacket
from both ends of the signal cable to reveal
approximately 15cm (5.9”) of wire.
c. Strip the insulation from the ends.
d. Using a wire crimper, crimp u-lugs on the
ends.
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.
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. Undo the screw on the cover of the electric
control box and remove the cover.
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.
Refer to the Serial Number and Wiring
Diagram located on the cover of the electric
control box.
•
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.
4. Clamp down the cable with the cable clamp.
The cable must not be loose or pull on the
u-lugs.
5. Reattach the electric box cover.
Cover
Screw
CAUTION