Toshiba RAV-GM561UT-E Service Manual page 64

b) Group operation (including twin system)
Turn on the indoor unit(s) with its P.C. board replaced to the P.C. board for indoor unit servicing,
according to either methods 1 or 2 shown below.
1. Turn on only the indoor unit with its P.C. board replaced. (Be sure to confirm the remote controller
is surely connected. If not, the operation [3] cannot be performed.)
Perform either methods 1 or 2 described in item a) above.
2. Turn on the multiple indoor units including the indoor unit with its P.C. board replaced.
• Twin 1 system only
• All group connections
After completion of the auto-address setting mode (required time: approx. 5 min.), proceed to [3].
∗ The header unit of the group may be changed by performing the auto-address setting.
Also, the system address/Indoor unit address of the indoor unit with its P.C. board replaced may be
assigned to the addresses (not used) other than those of the indoor units without its P.C. board
replaced.
It is recommended to keep the information in advance, which refrigerant system the indoor unit
belongs to or whether the indoor unit works as the header unit or the follower unit in the group
control operation.
[3] Writing the setting data to EEPROM
The settings stored in the EEPROM of the P.C. board for indoor unit servicing are the factory-set values.
Step 1 Push , and
∗ In the group control operation, the unit No. displayed for the first time is the header unit No..
At this time, the CODE No. (DN) shows "
operation and the swing operation starts if it has the louvers.
(The unit No. "
Step 2 Every time when
operation are displayed in order.
(The settings stored in the EEPROM of the P.C. board for indoor unit servicing are the factory-set
values.)
Specify the indoor unit No. with its P.C. board replaced to the P.C. board for indoor unit servicing.
(You cannot perform this operation if "
Step 3 Select the CODE No. (DN) can be selected by pushing the
• Set the indoor unit type and capacity.
The factory-set values shall be written to the EEPROM by changing
the type and capacity.
1. Set the CODE No. (DN) to "
2. Select the type by pushing
(For example, 4-way Cassette Type is set to "0001". Refer to
table 2)
3. Push button.
(The operation completes if the setting data is displayed.)
4. Change the CODE No. (DN) to "
buttons for the temperature setting.
5. Select the capacity by pushing
setting.
(For example, 80 Type is set to "
6. Push button.
(The setting completes if the setting data are displayed.)
7. Using the set temperature
8. Using the timer time / buttons, set the dat. (0001)
9. Push button (The setting completes if the setting data are displayed.)
10. Push
(It takes approx. 1 min until the remote control operation is available again.)
buttons on the remote controller simultaneously for more than 4 seconds.
ALL
" is displayed if the auto-address setting mode is interrupted in [2] step 2 a))
UNIT LOUVER (left side button) button is pushed, the indoor unit No. in the group control
ALL
10
". (without change)
/
11
0012
/
the button to return to the normal stop status
10
". Also, the fan of the indoor unit selected starts its
" is displayed.)
buttons for the timer setting.
" by pushing /
/ buttons for the timer
". Refer to table 3)
CE
buttons, set " " to the CODE No. (DN).
– 64 –
/ button for the temperature setting.
<Fig. 1 RBC-AMT32E>
3 6 5 1 4 2