FXLQ20~63P7VEB
VRV System air conditioners
4PW53089-1B
Installation and operation manual
10
Start up after a long stop
Confirm the following:
■ Check that the air inlet and outlet are not blocked. Remove any
obstacle.
■ Check if the earth is connected.
Clean the air filter and outside panels.
■ After cleaning the air filter, make sure to attach it.
Turn on the main power supply switch.
■ The control panel display lights when the power is turned on.
■ To protect the unit, turn on the main power switch at least
6 hours before operation.
What to do when stopping the system for a long period
Turn on FAN OPERATION for half a day and dry the unit.
■ Refer to the operation manual of the outdoor unit.
Cut off the power supply.
■ When the main power switch is turned on, some wattage is
being consumed even if the system is not operating.
■ The remote controller display is turned off when the main power
switch is turned off.
DISPOSAL REQUIREMENTS
Dismantling of the unit, treatment of the refrigerant, of oil and of other
parts must be done in accordance with relevant local and national
legislation.
WIRING DIAGRAM
A1P..................PRINTED CIRCUIT BOARD
C1....................CAPACITOR (M1F)
F1U..................FUSE (B, 5 A, 250 V)
HAP .................LIGHT EMITTING DIODE
(SERVICE MONITOR - GREEN)
K1R~K3R ........MAGNETIC RELAY (M1F)
M1F .................MOTOR (INDOOR FAN)
Q1M.................THERMO SWITCH (M1F EMBEDDED)
R1T..................THERMISTOR (AIR)
R2T,R3T ..........THERMISTOR (COIL)
T1R..................TRANSFORMER (220-240 V/22 V)
X1M..................TERMINAL BLOCK (POWER SUPPLY)
X2M..................TERMINAL BLOCK (CONTROL)
Y1E ..................ELECTRONIC EXPANSION VALVE
CONNECTOR OPTIONAL ACCESSORY
X18A ................CONNECTOR (WIRING ADAPTOR FOR
ELECTRICAL APPENDICES)
WIRED REMOTE CONTROLLER
R1T ..................THERMISTOR (AIR)
SS1 ..................SELECTOR SWITCH (MAIN/SUB)
: TERMINAL BLOCK BLK : BLACK PNK : PINK
: CONNECTOR BLU : BLUE RED : RED
: TERMINAL BRN : BROWN WHT : WHITE
: FIELD WIRING ORG : ORANGE YLW : YELLOW
L: LIVE
N: NEUTRAL
WIRED REMOTE CONTROLLER :
(OPTIONAL ACCESSORY) :
CONTROL BOX (INDOOR) :
TRANSMISSION WIRING :
CENTRAL REMOTE CONTROLLER :
INPUT FROM OUTSIDE :
POWER SUPPLY :
NOTE
1. WHEN USING THE CENTRAL REMOTE CONTROLLER, SEE MANUAL FOR CONNECTION TO THE UNIT.
2. WHEN CONNECTING THE INPUT WIRES FROM OUTSIDE, FORCED "OFF" OR "ON/OFF" CONTROL OPERATION CAN
BE SELECTED BY THE REMOTE CONTROLLER. SEE INSTALLATION MANUAL FOR MORE DETAILS.
3. USE COPPER CONDUCTORS ONLY.
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