Comfee MSR23 Serie Installationshandbuch Seite 19

Step 6: Connect signal and power cables
The signal cable enables communication
between the indoor and outdoor units. You
must first choose the right cable size before
preparing it for connection.
Cable Types
Indoor Power Cable (if applicable):
H05VV-F or H05V2V2-F
Outdoor Power Cable: H07RN-F
Signal Cable: H07RN-F
Minimum Cross-Sectional Area of
Power and Signal Cables
North America
Rated Current of
Appliance (A)
7
7 - 13
13 - 18
18 - 25
25 - 30
Other Regions
Rated Current of
Appliance (A)
> 3 and 6
> 6 and 10
> 10 and 16
> 16 and 25
> 25 and 32
> 32 and 40
CHOOSE THE RIGHT CABLE SIZE
The size of the power supply cable, signal
cable, fuse, and switch needed is
determined by the maximum current of the
unit. The maximum current is indicated on
the nameplate located on the side panel of
the unit. Refer to this nameplate to choose
the right cable, fuse, or switch.
AWG
18
16
14
12
10
Nominal Cross Sectional
-
2
Area (mm )
0.75
1
1.5
2.5
4
6
TAKE NOTE OF FUSE SPECIFICATIONS
,
The air conditioner s circuit board (PCB) is
designed with a fuse to provide over current
protection. The specifications of the fuse
are printed on the circuit board, such as:
T3.15A/250VAC, T5A/250VAC, etc.
1. Prepare the cable for connection:
a. Using wire strippers, strip the rubber jacket
from both ends of signal cable to reveal
about 40mm (1.57in) of the wires inside.
b. Strip the insulation from the ends of the
wires.
c. Using wire crimper, crimp u-type lugs on
the ends of the wires.
PAY ATTENTION TO LIVE WIRE
While crimping wires, make sure you clearly
distinguish the Live ( L ) Wire from other wires.
2. Open front panel of the indoor unit.
3. Using a screwdriver, open the wire box cover
on the right side of the unit. This will reveal
the terminal block.
The Wiring Diagram is located
on the inside of the indoor unit s
wire cover.
WARNING
ALL WIRING MUST PERFORMED STRICTLY
IN ACCORDANCE WITH THE WIRING
DIAGRAM LOCATED ON THE INSIDE
OF THE INDOOR UNIT S WIRE COVER.
4. Unscrew the cable clamp below the terminal
block and place it to the side.
5. Facing the back of the unit, remove the
plastic panel on the bottom left-hand side.
Terminal block
Wire cover
Screw
Cable clamp
Fig.4.19
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Page 19