Electric Installation - Infiniton CSTT-4550 Manual De Instrucciones

Notice:
1.The machine unit shall be installed according to national wiring regulations, and also for the use of power
supply, assembly of electric leak protection switch; the switch rated working current shall be no less than
1.5-3 times of complete machine rated working current (the complete machine rated working current
refers to the attached Instructions for Use and Operation; please refer to the unit nameplate identification).
2.Firstly determine the voltage used by the machine model and related wires before wiring.
3.The connection method of unit and power supply, connection methods and electric works of each
independent unit refer to the wiring diagram attached on the unit.
4.Please clearly comply with the wiring indication at terminal; do not mistakenly connect.
5.The signal line terminal stand of indoor and outdoor units must not connect with the power supply;
otherwise it may lead to severe failure. The indoor unit is marked with the wiring codes and they shall be
connected correspondingly.
6.For the connection of electric conductors, the screw shall be tightened according to drawing
requirements to avoid coming-off.
7.The unit with auxiliary electric heating is normally installed at outside of indoor unit evaporator; the
minimum clearance with the inflammable surface shall be 5mm.
8.Necessary spacial dimensions necessary for correct installation of unit; the minimum distance allowed
for neighboring structure shall comply with installation dimensions in instruction.
9.The air conditioner must be reliably grounded.
Schematic wiring diagram of power supply (according to user power supply conditions and different models,
execute wiring according to the schematic diagram shown in the figure below)
POWER SUPPLY
380-415V3N/50Hz

8.Electric installation

！
Warning
L1
N1
S
Indoor nuit
Applicable for (220-240V/50Hz) single phase model
N
N
L1
N1
S
Outdoor nuit
Applicable for (380-415V/50Hz)≥ three phase model
1. It must be reliably grounded!
2. The screw fixing the conductor must be tightened and it
must be replaced if any thread slipping!
3. The external conductor must be fixed with clamp;
otherwise it may lead to personal injury or death and fire
hazard!
PE
L
POWER SUPPLY 220-240V/50Hz
N
L1
N1
S
Interconnection cords are shielded wire
Outdoor nuit
L1
N1
S
Interconnection cords are shielded wire
Indoor nuit
27