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Wiring Method (See ''ELECTRIC WIRING WORK'')
(3) Remove the electric parts box lid
(4) Add remote control 2 (slave) to the terminal block for
remote controller (P
, P
1
(There is no polarity.) (Refer to Fig. 2 and 8-2.)
Remote
controller 1
Crossover
(MAIN)
wiring (P
Indoor unit
1
Indoor unit
〈 〈 〈 〈 Caution〉 〉 〉 〉
• If using group control and two remote controllers at the same
time, connect remote controller 2 (SUB) to the indoor unit
which is at the end of the crossover wiring (P
figure below.)
• Group control is not possible between the indoor units con-
nected to BEV unit and normal VRV indoor units.
9-4
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.
10. FIELD SETTING
Make sure the electric parts box lids are closed on the
indoor and outdoor units.
Field setting must be made from the remote controller in
accordance with the installation condition.
• Setting can be made by changing the "Mode No.", "FIRST
CODE NO.", and "SECOND CODE NO.".
• For setting and operation, refer to the "FIELD SETTING" in
the installation manual of the remote controller.
SECOND
CORD NO.
FIRST
CORD NO.
FIELD SET MODE
• Set the remote controller to the field set mode. For
details, refer to the "HOW TO SET IN THE FIELD", in the
remote controller manual.
• When in the field set mode, select mode No. 12, then set
the first code (switch) No. to "1". Then set second code
(position) No. to "01" for FORCED OFF and "02" for ON /
OFF OPERATION. (FORCED OFF at factory set)
English
) in the terminal box.
2
Remote
controller 2
, P
)
(SUB)
1
2
2
Final indoor unit
, P
). (See the
1
2
Mode No.
SETTING
11. TEST OPERATION
Refer to the installation manual of the outdoor unit.
• The operation lamp of the remote controller will flash when
an malfunction occurs. Check the malfunction code on the
liquid crystal display to identify the point of trouble. An expla-
nation of malfunction codes and the corresponding trouble is
provided in "CAUTION FOR SERVICING" of the outdoor unit.
If any of the items in Table 5 are displayed, there may be a
problem with the wiring or power, so check the wiring again.
Table 5
Remote control display
"U3" is lit up
• The test-run has not been completed.
• The power on the outdoor unit is off.
• The outdoor unit has not been wired for power
"U4" is lit up
supply.
"UH" is lit up
• The transmission wiring between the outdoor
unit and the BEV unit has been cut.
"UF" is lit up
• The wiring with the BEV is incorrect.
• The power on the BEV unit is off.
• The BEV unit has not been wired for power sup-
ply.
No display
• Incorrect wiring for the remote controller wiring,
and/or the transmission wiring.
• The remote controller wiring is cut.
• The wiring with the BEV is incorrect.
Content
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