210
Maintenance settings
Setting
Setting communications with air conditioning units
Make settings such as the communications protocol between this unit and the air conditioning units.
There are three stages to these settings.
Item
Explanation
IntlCtrlr#inLnk
If there are multiple intelligent controllers within
the link, set the sub units to No. 2 and No. 3.
y
If there is no main unit (No. 1) within the link,
indoor units without remote controllers may
emit an E03 warning.
LocalAdptrDtctn
If you have interface adaptors connected in the
system, set to “ON” so that this unit recognises
interface adaptors.
PwrOn config
ChkCommunctn
When you have added indoor units or otherwise
changed the configuration of the system, set to
“ON” so that the unit checks the configuration.
4
Touch [NextPage →].
z
The “Settngs for communictn w A/C(2)” screen is
displayed.
z
To cancel the settings, touch [Cancel].
5
Change the settings.
Item
Explanation
Communic error
w A/C DetrTime
Set the judgement time (10 to 99) when an error
occurs between this unit and the air conditioning
units. Use
to set the value.
RS485 line comm
spd (bps)
Set the communications speed between this unit
and the air conditioning units (9600 or 19200).
y
Set “19200” under normal circumstances.
No-comm mode
There is no communication with the air
conditioning units if you set this to “No”. Set this
when communication with the air conditioning
units is incomplete (not set up, no power, etc.)
and you just want to confirm items such as
registered names, etc.
Continued on next page
1
Touch [A/C maintenance] in “Settings”.
1
2
Touch [A/C communication settings].
z
Enter the identification number (password level 2) and the
“Settngs for communictn w A/C(1)” screen is displayed.
2
3
Change the settings.
Item
Explanation
IntvlFrRegComm2 Set the communications interval between this
unit and the air conditioning units (10 to 99).
Use
to set a value for each
linked system.
A/C conctn
Set whether air conditioning units are
connected for each linked system.