Wiring Diagram - Daikin FTXB25BV1 Installation Manual

4.
Wiring.
1) Strip wire ends (15mm).
2) Match wire colours with terminal numbers on indoor and outdoor unit's terminal blocks and firmly screw wires to the
corresponding terminals.
3) Connect the earth wires to the corresponding terminals.
4) Pull wires to make sure that they are securely latched up, then retain wires with wire retainer.
5) In case of connecting to an adapter system, run the remote control cable and attach the S21. (Refer to 5. When
connecting to a wired remote controller.)
6) Shape the wires so that the service lid fits securely, then close service lid.
Use the specified
wire type.
WARNING
1) Do not use tapped wires, stranded wires, extension cords, or starburst connections, as they may cause overheating,
electrical shock, or fire.
2) Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the
terminal block.) Doing so may cause electric shock or fire.
3) Do not connect the power wire to the indoor unit. Doing so may cause electric shock or fire.

Wiring diagram

: Terminal strip
: Connector
: Connection
BLK : Black
BLU : Blue
BRN : Brown
GRN : Green
Notes
: Refer to the nameplate of the unit for power requirements.
: INDOOR
: OUTDOOR
: TRANSMISSION CIRCUIT
: INTELLIGENT EYE SENSOR
: WIRELESS REMOTE CONTROLLER
: SIGNAL RECEIVER
Wiring diagram parts table
FG.......................... Frame ground
F1U........................ Fuse
H1 ~ H3.................. Harness
H1P ~ H2P............. Pilot lamp
M1F........................ Fan motor
M1S....................... Swing motor
MR10...................... Magnetic relay
PCB1 ~ PC B3.........Printed circuit board
R1T, R2T................ Thermistor
S6 ~ S602................Connector
English
Terminal block
Electrical component box
1 2 3
Shape wires so that the
service lid will fit securely.
Firmly secure wire retainer so that
wires sustain no external stress.
Wire retainer
Firmly fix the wires with
the terminal screws.
When wire length exceeds
10m, use 2.0mm diameter wires.
1
Indoor
2
3
unit
Firmly fix the wires with
the terminal screws.
: Field wiring
: Relay connector
: Terminal
ORG : Orange
RED : Red
WHT : White
YLW : Yellow
Indoor
Outdoor
Transmission circuit
Intelligent eye sensor
Wireless remote controller
Signal receiver
S 1 W ...................... Operation switch
V1........................... Varistor
X1M........................ Terminal strip
........................ Protective earth
CAUTION
Note that operation will restart
automatically if the main power
supply is turned off and then back
on again.
Outdoor unit
1 2 3 L N
H05RN
8