Automatic Address Setting Method; Displaying Indoor / Outdoor Unit Combination Numbers - Sanyo SPW-X253GH56 Service Manual

(8) 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 TEST / CHK and
buttons at the same time for more
than 4 seconds.
2 Press the SET button after
confirming the CODE No. AA (CODE
No. AA: All Auto. address operation).
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 and set addresses
automatically, press the TEST / CHK
and ( ) buttons at the same
time for more than 4 seconds, then
press the
once to set CODE No. A1.
(CODE No. A1: Auto. address
operation)
2 Select R.C. No. which you want to
execute the auto. address operation
with UNIT button.
3 Press the SET button. The auto. address
operation will start. CODE No. changes
from flashing to ON state.
4 If the error occurred during the
operation, the alarm message will be
displayed. Check and remove the
cause. If you want to interrupt the
operation, press the CL button then
the unit stands in waiting mode
(Press the SET 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 TEST / CHK button.
NOTE
Required time for auto. address operation:
In case of group control : a few minutes for
In case of central control : max. about 20
(
, (SET TEMP) button
each R.C.
min. for each
R.C.
– 103 –
(9) Displaying Indoor / Outdoor Unit
Combination Numbers
Display the indoor / outdoor unit address
after automatic address setting.
1) When installing multiple units, match
the indoor unit address numbers and
the outdoor R.C. 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 combinations
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) Displaying indoor / outdoor unit
address is necessary for
maintenance. Always label numbers.
*Check indoor unit address with the
remote controller. Press the TEST /
CHK button for at least 4 seconds and
check the indoor unit address with the
UNIT button. (Each time you press the
UNIT button, the address changes 1-
1, 1-2, ... 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 TEST / CHK
button again, the system returns to
normal remote control mode.
4. Service procedures
SM830033
4