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Page 22
Indoor Unit Wiring
1. Prepare the cable for connection
a. Using wire strippers, strip the rubber jacket
from both ends of signal cable to reveal
about 15cm (5.9”) of the wires inside.
b.
Strip the insulation from the ends of the wires.
c. Using 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.
Wire outlet
Control box
Fig. 8.3
4. Connect the u-lugs to the terminals.
Match the wire colors/labels with the labels on
the terminal block, and 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.
Connective wiring diagram
Wiring diagram
Control box
Fig. 8.4
Fig. 8.5
b. Using wire strippers, strip the rubber jacket
from both ends of signal cable to reveal
about 15cm (5.9”) of the wires inside.
c.
Strip the insulation from the ends of the wires.
d. Using a wire crimper, crimp u-lugs on the
ends of the wires.
NOTE: While connecting the wires, please
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,
disassemble the bolts from the maintenance
board and remove the protection board.
(See Fig. 8.1, 8.2)
Cover
Screw
Fig. 8.1
Protection Board
Fig. 8.2
3. Connect the u-lugs to the terminals
Match the wire colors/labels with the labels on
the terminal block, and firmly screw the u-lug
of each wire to its corresponding terminal.
4. Clamp down the cable with designated 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.
Table 8.2: Other Regions
Rated Current of
Appliance (A) Area (mm²)
Nominal Cross-Sectional
6 0.75
6 - 10 1
10 - 16 1.5
16 - 25 2.5
25- 32 4
32 - 45 6
Magnetic ring
(if supplied and packed with the accessories)
1 2 3
Pass the belt through
the hole of the Magnetic
ring to fix it on the cable
Page 23
Power Specications
NOTE: Electric auxiliary heating type circuit breaker/fuse need to add more than 10 A.
Indoor Power Supply Specications
MODEL
(Btu/h)
18K 19K~24K 25K~36K 37K~48K 49K~60K
POWER
PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase
VOLT
VOLT
VOLT
VOLT
208-240V 208-240V 208-240V 208-240V 208-240V
CIRCUIT BREAKER/
FUSE(A) 25/20 32/25 50/40 70/55 70/60
MODEL
(Btu/h)
36K 37K~60K 36K 37K~60K
POWER
PHASE 3 Phase 3 Phase 3 Phase 3 Phase
380-420V 380-420V 208-240V 208-240V
CIRCUIT BREAKER/FUSE(A) 25/20 32/25 32/25 45/35
MODEL
(Btu/h)
18K 19K~24K 25K~36K 37K~48K 49K~60K
POWER
PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase
208-240V 208-240V 208-240V 208-240V 208-240V
CIRCUIT BREAKER/
FUSE(A) 25/20 32/25 50/40 70/55 70/60
MODEL
(Btu/h)
36K 37K~60K 36K 37K~60K
POWER
PHASE 3 Phase 3 Phase 3 Phase 3 Phase
380-420V 380-420V 208-240V 208-240V
CIRCUIT BREAKER/FUSE(A) 25/20 32/25 32/25 45/35
Outdoor Power Supply Specications
CAUTION
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. Reinstall the electric box cover and the front panel of the indoor unit.
22


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