II - 31
If the following addresses are not set on the non-volatile memory (ICB) of the indoor control board it will
not be possible to carry out the test run. (these are undetermined data at time of shipment)
Item
code
Data at
shipment
Setting data
Refrigerant system
address
12
0099
0001 (No. 1 unit) - 0030(No. 30 unit)
Indoor unit address
13
0099
0001 (No. 1 unit) - maximum value of the indoor unit on the
same refrigerant tubing system
Group setting
14
0099
0000 (Individual :an indoor unit not under group control)
0001 (Main unit: 1 indoor unit under group control)
0002 ( Sub unit: Indoor unit under group control apart from
the main unit)
*1:
Link wiring is a type of wiring where indoor and outdoor
units on several refrigerant systems are connected to the
same communication circuit.
*2:
W MULTI has multiple outdoor units connected to the
refrigerant system.
*3:
In the case of W MULTI, set this at the smallest outdoor
unit address unit in this refrigerant system.
(5) Flow diagram for address setting
Indoor unit system (outdoor unit) ad-
dress/Indoor unit address/group setting
Complete the tubing installation
Does each refrigerant system have only
one indoor unit connected to it ?
At each outdoor unit set the number of in-
door units connected to the outdoor unit.
*2
In the case of a W MULTI System, set
the outdoor unit address (1 or 2) on the
outdoor unit board *2
Is there only one refrigerant system?
Is there link wiring?
Is there a separate refriger-
ant system address for each
refrigerant system?
Set the refrigerant system
address for all outdoor unit
boards.
Is the gas and refrigerant
tubing installation complete?
Set the refrigerant
system address for all
outdoor unit boards.
Can the power to each refrig-
erant system be turned ON/
OFF separately ?
Is the outdoor unit operable?
The following is the pro-
cedure for automatically
setting the address, after
the power is turned ON.
When the power is turned
ON at the symbol, turn
the indoor and outdoor
unit’s power ON for each
separate refrigerant sys-
tem (the following is the
procedure for setting the
addresses automatically for
each separate refrigerant
system)
When the power is turned
ON at the symbol, turn
all the indoor and outdoor
unit’s power ON (the fol-
lowing is the procedure for
operating the indoor and
outdoor units and automati-
cally setting
the addresses)
The following is the proce-
dure necessary for carrying
out the setting one indoor
unit at a time
from a remote controller
Turn the indoor and outdoor
units power ON
From the outdoor unit acti-
vate the automatic address
setting *3
Temporarily connect the
remote controller and
indoor unit one to one
Is the remote controller
connected to the indoor
unit one to one ?
Carry out the following set-
ting in the remote controller
detailed setting mode.
·
System address
·
Indoor unit address
·
Group setting
Change the set indoor unit
address?
Make the changes in remote control-
ler address change mode
Return the wiring back to
the original
Was the remote controller
temporarily connected?
Finish
Are the settings for all the indoor units complete?
Is automatic addressing
of all refrigerant system
complete?
Automatic address setting takes several minutes per refrigerant tubing system
Yes:
Yes
Yes
No
*2 No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
No
Yes
Yes
No
Yes
Yes
No
No
No:
*1
W̲02̲22-31.indd 31
W̲02̲22-31.indd 31
2012/05/22 11:23:19
2012/05/22 11:23:19