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b) Group operation
Turn on the indoor unit(s) with its P .C. board replaced to the P .C. board for indoor unit servicing, accord-
ing 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.
• 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 cooling 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.
SET
CL
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.
(The unit No. "
Step 2
Every time when
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)
SET
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
(For example, 80 Type is set to "0012". Refer to table 3)
SET
6. Push
button.
(The setting completes if the setting data are displayed.)
Setting Concealed Duct High Static Pressure Type
7. Using the set temperature
" to the CODE No. (DN).
8. Using the timer time / buttons, set the dat. (0001)
SET
9. Push
button (The setting completes if the setting data are displayed.)
TEST
10.Push the
button to return to the normal stop status
(It takes approx. 1 min until the remote control operation is available again.)
TEST
buttons on the remote controller simultaneously for more than 4 seconds.
" 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 operation
" is displayed.)
". (without change)
/
buttons for the timer setting.
" by pushing
/
buttons for the timer setting.
/
buttons, set "
". Also, the fan of the indoor unit selected starts its
/
button for the temperature setting.
/
– 65 –
<Fig. 1 RBC-AMT32E>
3 6 5 1
4 2
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