Field Setting And Test Run - Daikin VRV SYSTEM FXNQ20A2VEB Installation Manual

The remote controller PC board is attached to the upper
part of remote controller.
Insert the screwdriver here and gently work off the
upper part of remote controller.
(2) Turn the MAIN/SUB changeover switch on one of the
two remote controller PC boards to "S".
(Leave the switch of the other remote controller set to "M".)
(Factory setting)
Only one remote controller
needs to be changed if
factory settings have
remained untouched.
Wiring Method (See ''11. ELECTRIC WIRING WORK'')
(3) Remove the control box lid.
(4) Add remote controller 2 (SUB) to the terminal block for
remote controller (P
1
(There is no polarity.)
P P F F
1 2 1 2
REMOTE TRANSMISSION
CONTRL WIRING
Remote
controller 1
(MAIN)
[ PRECAUTIONS ]
• Crossover wiring is needed when using group control and
2 remote controllers at the same time.
• Connect the indoor unit at the end of the crossover wire
(P , P ) to remote controller 2 (SUB).
1 2
Indoor unit 1
Crossover wire (P
Remote controller 1
(MAIN)
11-3 REMOTE CONTROL (FORCED OFF AND ON/
OFF OPERATION)
• Connect input lines from the outside to the terminals T
and T on the terminal block (6P) for remote controller to
2
achieve remote control.
English
Upper part of
remote controller
Lower part of
remote controller
S S
M
Remote controller
PC board
S
M
, P ) in the control box.
2
T T
1 2
FORCED
OFF
Remote controller wiring
terminal block
Remote
controller 2
(SUB)
Max. No. of
indoor units
Indoor unit 2
. P
)
1 2
Remote controller 2
(SUB)
• See the "13. FIELD SETTING AND TEST RUN" for
details on operation.
P
Wire specification
Gauge
Length
External terminal
11-4 CENTRALIZED CONTROL
• For centralized control, it is necessary to designate the group
No. For details, refer to the manual of each optional control-
lers for centralized control.

12. FIELD SETTING AND TEST RUN

Field settings may have to be performed using the
remote controller, depending on the type of installation.
(1) Make sure the control box lids are closed on the indoor
and outdoor units.
(2) Depending on the type of installation, make the field
settings from the remote controller after the power is
turned on, following the "Field Settings" manual which
came with the remote controller.
• The settings can select "Mode No.", "FIRST CODE NO."
and "SECOND CODE NO.".
• The "Field Settings" included with the remote controller
lists the order of the settings and method of operation.
SECOND
CODE NO.
FIRST
CODE NO.
• Lastly, make sure the customer keeps the "Field Settings"
manual, along with the operating manual, in a safe place.
12-1 SETTING THE STATIC PRESSURE SELECTION
• Select the SECOND CODE NO. for the resistance of the con-
nected duct.
(The SECOND CODE NO. is set to "01" when shipped.)
• See the technical documentation for details.
External static
pressure
Standard
(10Pa)
High static pres-
sure setting
(30Pa)
12-2 REMOTE CONTROL SETTING
• Forced off and ON/OFF operation should be selected by
selecting the SECOND CODE NO. as shown in the table
below.
1
(The SECOND CODE NO. is set to "01" when shipped.)
External ON/OFF input
F F T T
P
1 2
1 2 1 2
REMOTE FORCED
TRANSMISSION
CONTRL
WIRING OFF
Sheathed vinyl cord or cable (2 wires)
0.75 - 1.25 mm
Max. 100 m
Contact that can ensure the minimum applica-
ble load of 15 V DC, 1 mA.
SETTING
FIRST
Mode No.
CODE NO.
13(23) 5
FIRST
Mode No.
CODE NO.
Input A
2
Mode No.
FIELD SET
MODE
SECOND
CODE NO.
01
02
SECOND
CODE NO.
11