Automatic Address Setting Method; Displaying Indoor / Outdoor Unit Combination Numbers - Sanyo KH2442 / CH2442 Service Manual

(7) Automatic Address Setting Method

— For group control and central control with multiple
outdoor units —
Carry out automatic address setting with the
remote controller.
(1) All auto. address operation
1
Press the
the same time for more than 4 seconds.
2
Press the
Section
CODE No. AA (CODE No. AA: All Auto.
address operation).
1
After addresses are automatically set in
order for the outdoor units from No. 1 to No.
30, the system returns to the normal
stopped state.
(2) Individual auto. address operation for each
refrigerant circuit
1
To select each refrigerant circuit individually
2
and set addresses automatically, press the
time for more than 4 seconds, then press
the
CODE No. A1.
(CODE No. A1: Auto. address operation)
3 2
Select R.C. No. which you want to execute
the auto. address operation with
button.
3
Press the
operation will start. CODE No. changes from
flashing to ON state.
4
If the error is happened during the operation,
4
the alarm message will display. Check and
remove the cause. If you want to interrupt
the operation, press the
unit stands in waiting mode (Press the
button).
5
If the auto. address operation finishes, the
display will disappear.
6
Execute the operation of the other R.C. line
in the same way by following the above
steps 2 to 3.
7
Complete the auto. address operation by
pressing the
NOTE
Required time for auto. address operation:
In case of group control : a few minutes for each R.C.
In case of central control : max. about 20 min. for
and (
button after confirming the
and ( ) buttons at the same
, ( ) button once to set
button. The auto. address
button then the
button.
each R.C.
(8) Displaying Indoor / Outdoor Unit Com-
bination Numbers
Display the indoor / outdoor unit address after auto-
matic address setting.
(1) When installing multiple units, match the indoor
unit address numbers and the outdoor R.C.
) buttons at
address numbers and display them at an easy-to-
check location (near the nameplate) with an oil-
based magic marker or other indelible marker so
that the individual indoor and outdoor unit combi-
nations can be checked.
Example:
Outdoor Unit 1 – Indoor Units 1-1, 1-2, 1-3, ....
Outdoor Unit 2 – Indoor Units 2-1, 2-2, 2-3, ....
(2) This is necessary for maintenance. Always label
these.
*Check indoor unit address with the remote
controller. Press the
seconds and check the indoor unit address with
the
2-1, 2-2, ...) The fan for only the selected indoor
unit turns on at high speed, so check which
indoor unit runs and label the indoor unit address.
(If there is 1 outdoor unit, the addresses are 1-1,
1-2, ...)
When you press the
returns to normal remote control mode.
IV - 38
4. Service procedures
button for at least 4
button. (Each time you press the
button, the address changes 1-1, 1-2, ...
button again, the system
SM830082