8.15 Power Cable Connection:
1. Air-conditioning unit with single-phase power supply
(1) Remove the front panel of the outdoor unit.
(3) Pass the cable though rubber ring.
(4) Connect the power supply cable to the “L, N” terminals and
the grounding screw on the metal electric box.
(5) Use cable fastener to bundle and fix the cable.
2. Air-conditioning unit with 3-phase power supply
(1) Remove the front panel of the outdoor unit.
CAUTION
(2) Attach rubber ring to the cable-cross hole of the
Take great care when carrying out the following
outdoor unit.
connections, so as to avoid malfunction of the
(3) Pass the cable though rubber ring.
air-conditioning unit because of electromagnetic
(4) Connect the power cable to the terminal and
interference.
earthing screws marked “L1, L2, L3 & N”. Connect
(1) The signal line of the wire
d
controller must
the earth wire to the earthed terminal screw on the
be separated from the power line and the
electric box.
connecting line between the indoor unit and
( ) Use cable fastener to bundle and fix the cable.
the outdoor unit.
(2) In case the unit is installed in a place
vulnerable by electromagnetic interference,
it is better to use shielded cable or double-
twisted cable as the signal line of the wired
controller.
8.16 Cable Connecting Diagram
1. The section area of cables selected by users must not be smaller than the specifications shown in the
diagram. The signal wire between indoor and outdoor unit shall be installed in the shielded bushing, and
the unshielded twisted pair cable (UTP) shall be used, the cross sectional area of the cables must be
0.75mm².
Schematic Diagram of Unit Line Connection:
FDMR24PEV1K
FDYMRY24PEV1K
FDM R30PEV1K
FDYMRY30PEV1K
Outdoor Unit
L
(1) (2)
(3)
N L
N
1
2
2
2 3
L N
breaker
breaker
PE L
N
PE
Indoor Unit
Power: 220-240V~50Hz
Power: 220-240V~50Hz
(1) Power cord 3×4mm² (H07RN-F)
(2) Power cord 3×1. mm² (H05VV-F)
0
(3) Communication cords 2×0.75mm² (H05
F)
RN-
(2) Attach rubber ring to the cable-cross hole of the
outdoor unit.
5
English
36
N N