INVENTOR V7CI-24WiFiR/U7RS-24, Installation Manual

Page: 29 / 176

ƒ
Page 29
„
 Page 24 
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. 7.1)
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.
Outdoor Unit Wiring
WARNING
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
before preparing it for connection. Be sure
to use H07RN-F cables.
Table 7.1: Other Regions
Cover
Screw
Fig. 7.1
Fig. 7.2
1 Control box lid
2 Wiring diagram label
3 Power supply terminal block
4 Clamp for wiring
5 Wiring between units
6 Plastic cover
7 Clamp (field supply)
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
Super-Slim models
Wire outlet
Control box
Connective wiring diagram
Wiring diagram
Control box
 Page 25   
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.
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.
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.
Indoor Power Supply Specifications
MODEL
(Btu/h)
≤
18K 19K~24K 25K~36K 37K~50K 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~50K 50K~60K
POWER
PHASE 1 Phase 1 Phase 1 Phase 1 Phase 3 Phase
208-240V 208-240V 208-240V 208-240V 380-420V
CIRCUIT BREAKER/
FUSE(A)
25/20 32/25 50/40 70/55 45/35
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 Specifications