When Connecting To An Ha System - Daikin FVXS25FV1B Installation Manual

10.
Wiring
With a Multi indoor unit
• Live the sensor securing plate, remove the front metal plate cover, and connect the branch wiring to the terminal block.
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) Make sure that the wires do not come in contact with the metal conduit for the heat exchanger.
6) In case of connecting to an adapter system. Run the remote controller cable and attach the S21. (Refer to 11. When
connecting to an HA system.)
Sensor securing plate
Front metal
plate cover
WARNING
1) Do not use tapped wires, stranded wires, extensioncords, 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.
11.

When connecting to an HA system

1) Remove the electric box. (See 3. How to set
the different addresses on page 4.)
2) Cut off the pins using a nipper.
3) Wire as shown in the diagram and connect
the connection cord to the S21 connector.
4) Attach the side metal plate cover and
thermistor sensor and return the electric box
to its previous state.
5) Attach connectors 5P, 6P, and 7P.
6) Replace the front metal plate cover and the
sensor securing plate.
■English
, install as described in the installation manual supplied with the Multi outdoor unit.
Shape wires so
1 2 3
that the front metal
plate cover will fit
securely.
Firmly secure wire
retainer so that
wires sustain no
external stress.
Side metal plate cover
Terminal block
When wire length exceeds 10m,
use 2.0mm diameter wires.
Electrical
component
box
Indoor
unit
Wire retainer
Use the specified
wire type.
Make sure that the wires
do not come in contact
with the metal conduit
for the heat exchanger.
HA connector
(S21)
HA cord
Front metal plate cover
Firmly fix the wires with
the terminal screws.
Outdoor unit
1 2 3
1
2
3
H05VV
Firmly fix the wires with
the terminal screws.
S 2
1
2) Pin
L N
Sensor
securing
plate
10