Carrier WTC-B-207 Instrucciones De Instalación página 7

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4. Power wiring
Voltage 100-240 VAC; -15%/+10%; 50/60 Hz
Overvoltage Category II - 2.5 kV
Controllers' consumption
Consumption
Model
Typical
207
< 0.9 W + all external loads
307
< 0.9 W + all external loads
Power wiring is common to all WTC types.
A terminal block with clear marking, including
L, N, Earth symbols and colours (Grey, Blue,
Yellow/Green), is mounted inside the control
box.
CONNECTIONS - Power cable
IMPORTANT: Make the earth connection before
making any other connections.
10.5 mm - 12 mm
Power supply
To connect wires to the terminal block:
1. Insert a flat screwdriver (max. 3.5 mm) into
the terminal opening holes (it allows opening
the terminal underneath to insert cables).
The max. connection cable section is 2.5 mm².
2. Once the cable is connected, pull lightly to
ensure that it is well locked in the terminal.
Maximum
4.0 A
4.0 A
9.5 mm - 10.5 mm
Ensure that the stripped section of the
yellow/green cable is longer than the others.
The power connection cables must be type
H05 VVF with PVC insulation in accord-
ance with standard EN 60335-2-40.
The power wiring cable must have a
minimum cable section of 2.5 mm².
Make sure that the sector supply is via a
disconnect switch that can cut the current to
all poles.
If the indoor unit includes electric heating,
the power supply is separate. Make sure
that the supply cable is correctly sized.
Remove WTC Control box cover:
Make the electrical connections to the terminal
block in accordance with the wiring diagram
and lock the wires using special cable conduits.
IMPORTANT: POWER WIRING DEPENDS ON
FAN COIL UNIT TYPE AND CONFIGURATION.
7
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Este manual también es adecuado para:

Wtc-b-307Wtc-l-207Wtc-l-307