Electrical Wiring Work; Precautions On Electrical Wiring Work; Internal Wiring - Parts Table - Daikin VRV III REYAQ10P7Y1B Manual De Instalación

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12. E
LECTRICAL WIRING WORK

12.1. Precautions on electrical wiring work

WARNING: Electrical installation
All field wiring and components must be installed by an
installer and must comply with the applicable legislation
NOTICE
Electrical wiring work recommendations.
To persons in charge of electrical wiring work:
Do not operate the unit until the refrigerant piping is
complete. See "10.4. Leak test and vacuum drying" on
page 16.
Running the unit before the piping is ready will break the
compressor.
DANGER: ELECTRICAL SHOCK
See "2. General Safety precautions" on page 2.
WARNING
A main switch or other means for disconnection, having a
contact separation in all poles, must be incorporated in
the fixed wiring in accordance with the applicable
legislation.
Use only copper wires.
All field wiring must be carried out in accordance with the
wiring diagram supplied with the unit and the instructions
given below.
Never squeeze bundled cables and be sure that it does
not come in contact with the non-insulated piping and
sharp edges. Be sure no external pressure is applied to
the terminal connections.
Power supply wires must be attached securely.
If the power supply has a missing or wrong N-phase,
equipment will break down.
Be sure to establish an earth. Do not earth the unit to a
utility pipe, surge absorber, or telephone earth.
Incomplete earth may cause electrical shock.
Be sure to install an earth leakage protector in
accordance with the applicable legislation. Failure to do
so may cause electric shock or fire.
Be sure to use a dedicated power circuit, never use a
power supply shared by another appliance.
When installing the earth leakage protector be sure that
it is compatible with the inverter (resistant to high
frequency electric noise) to avoid unnecessary opening
of the earth leakage protector.
As this unit is equipped with an inverter, installing a
phase advancing capacitor not only will deteriorate
power factor improvement effect, but also may cause a
capacitor abnormal heating accident due to high-
frequency waves. Therefore, never install a phase
advancing capacitor.
Be sure to install the required fuses or circuit breakers.
Do not operate until refrigerant piping work is completed.
(If operated before completion of the piping work, the
compressor may break down.)
Never
remove
a
connecting power wiring and transmission wiring.
(If operated without thermistor, sensor, etc., the
compressor may break down.)
Installation manual
19
thermistor,
sensor,
etc.,
when
The reversed phase protection detector of this product
only functions when the product starts up. Consequently
reversed phase detection consequently is not performed
during normal operation of the product.
The reversed phase protection detector is designed to
stop the product in the event of an abnormality when the
product is started up.
Replace two of the three phases (L1, L2, and L3) during
reverse-phase protection circuit operation.
If there exists the possibility of reversed phase after a
momentary black out and the power goes on and off
while the product is operating, attach a reversed phase
protection circuit locally. Running the product in reversed
phase can break the compressor and other parts.
Point of attention regarding quality of the public electric power
supply.
This equipment complies with respectively:
(1)
EN/IEC 61000-3-11
provided that the system impedance Z
is less then or equal to Z
max
(2)
EN/IEC 61000-3-12
provided that the short-circuit power S
is greater than or equal to the minimum S
at the interface point between the user's supply and the public
system. It is the responsibility of the installer or user of the equipment
to ensure, by consultation with the distribution network operator if
necessary, that the equipment is connected only to a supply with
respectively:
Z
less than or equal to Z
sys
S
greater than or equal to the minimum S
sc
Z
max
REYAQ10
0.27
REYAQ12
0.27
REYAQ14
REYAQ16
12.2. Internal wiring – Parts table
Refer to the wiring diagram sticker on the unit. The abbreviations
used are listed below:
A1P~A8P ............... Printed circuit board (main, sub 1, sub 2, noise
filter, inverter, fan, current sensor)
BS1~BS5 ............... Push button switch (mode, set, return, test,
reset)
C1,C63,C66........... Capacitor
E1HC,E2HC .......... Crankcase heater
F1U........................ Fuse (DC 650 V, 8 A)
F1U........................ Fuse (T, 3.15 A, 250 V)
F1U,F2U ................ Fuse (T, 3.15 A, 250 V)
F5U........................ Field fuse (field supply)
F400U.................... Fuse (T, 6.3 A, 250 V)
H1P~H8P .............. Pilot lamp
H2P........................ Under preparation or in test operation when
blinking
H2P........................ Malfunction detection when light up
HAP ....................... Pilot lamp (service monitor - green)
K1,K3..................... Magnetic relay
K1R........................ Magnetic relay (K2M, Y4S)
(1) European/International Technical Standard setting the limits for voltage
changes, voltage fluctuations and flicker in public low-voltage supply
systems for equipment with rated current ≤75 A.
(2) European/International Technical Standard setting the limits for harmonic
currents produced by equipment connected to public low-voltage systems
with input current >16 A and ≤75 A per phase.
.
value
sc
max
value.
sc
(
)
Minimum S
value
sc
843 kVA
850 kVA
2045 kVA
2035 kVA
REYAQ10~16P7Y1B
VRVIII system outdoor unit
4PW62582-1A – 08.2011
sys
sc

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