Ceiling Cassette Air Handler Installation Manual
CAUTION
• All eld wiring and components must be installed by a licensed electrician and must comply with
relevant European and national regulations.
• Use copper wire only.
• Follow the 'Wiring diagram' attached to the unit body to wire the outdoor unit, indoor units and
the remote controller.
• A circuit breaker capable of shutting down power supply to the entire system must be installed.
• Note that the operation will restart automatically if the main power supply is turned o and then
turned back on again.
• Be sure to ground the air conditioner.
• DO NOT connect the ground wire to gas pipes, water pipes, lightning rods, or telephone ground
wires.
• Gas pipes: might cause explosions or re if gas leaks.
• Water pipes: no grounding eect if hard vinyl piping is used.
• Telephone ground wires or lightning rods: might cause abnormally high electric potential in the
ground during lightning storms.
7
Electrical Wiring
How to connect wiring
• Remove the control box lid of the
indoor unit.
• Remove the cover of the outdoor unit.
• Follow the "Wiring diagram label"
attached to the indoor unit's control
box lid to wire the outdoor unit, indoor
unit and the remote control. Securely
x the wires with a eld supplied
champ.
• Attach the cover of the outdoor unit.
1
2
4
5
6
3
7
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)
Fig 7.1
Power
Model Phase Frequency
and volt
Circuit breaker/
Fuse(A)
12K~18K 1Phase 208-240V 20/16
Page 16
Revised 5/14/2020
Electrical
Wiring