Carrier XCT7 Installations- Und Benutzerhandbuch Seite 30

Electric wiring and application
Power wiring figure
Please ensure that when the unit is running, the input voltage is no less than 380V; if it is lower, the unit may run ab
normally. The communication line shielding layer of the outdoor unit should pass through the buckle magnetic ring .
Outdoor 1
Ground Fault Interrupter
Circuit Breaker
Power source: 3N~,380-400V,50/60Hz
Indoor 1
Ground Fault Interrupter
Circuit Breaker
Power source: 1PH,220-230V~,50/60Hz
• Indoor and outdoor units use their individual power source.
• All indoor units use one power source.
• Install the leakage breaker and the over current breaker, or there may be electric shocks.
• Regularly check and tighten the pressure lugs.
• The machine must be connected to the ground according to EN 60364
Outdoor power source and power cable Outdoor power source and power cable
Item
Power
source
Model
38VS226174HQEE
38VS280174HQEE
38VS335174HQEE
• The power cable must be fixed firmly.
• Each outdoor unit must be earthed well.
• When the power cable exceeds the permitted range, thicken it appropriately.
Outdoor 2
Supply: 3N~,380-400V,50/60Hz
Indoor 2
Power source: 1PH,220-230V~,50/60Hz
Power
cable
section
(mm 2 )
6
3N~,
10
380-
10
415V,
50/60
Hz
Ground Fault Interrupter
Circuit Breaker
Ground Fault Interrupter
Circuit Breaker
circuit breaker(A) Ground
Wire Circuit
length breaker (A)
(m)
20 40
20 40
20 40
23
Outdoor 3
Ground Fault Interrupter
Circuit Breaker
Supply: 3N~,380-400V,50/60Hz
Indoor 3
Ground Fault Interrupter
Circuit Breaker
Power source: 1PH,220-230V~,50/60Hz
Rated current of residual
fault interrupter(mA)
response time(S)
Section (mm 2 )
40A 30mA below 0.1S
40A 30mA below 0.1S
40A 30mA below 0.1S
Ground wire
Screw
Section Screw
(mm2)
6 M5
10 M5
10 M5