Toshiba Carrier MMU-AP0074HPUL, Service Manual

Page: 94 / 105

CODE No.
ON/OFF
TEMP
TIMER SET
FAN MODE
SAVE VENT
SWING/FIX
UNIT LOUVER TEST RESET
FILTER
UNIT No.
R.C No.
3 6 5 1 4 2
<Fig. 1 RBC-AMT32UL>
TIME
SET CL
Every time when the button is pressed
, the indoor unit Nos.
in the group control operation are displayed in
LOUVER UNIT
order.
Step 2
(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 is displayed.)
Step 3 Select the CODE No. (DN) can be selected by pressing the / button
for the temperature setting.
The factory-set values shall be written to the EEPROM by changing the type and
capacity.
1. Set the CODE No. (DN) to . (without change)
2. Select the type by pressing / buttons for the timer setting.
Refer to table 2 on page 4.)
3. Press button. (The operation completes if the setting data is displayed.)
4. Change the CODE No. (DN) to by pressing / buttons for the
temperature setting.
5. Select the capacity by pressing / buttons for the timer setting.
6. Press button. (The setting completes if the setting data are displayed.)
7. Press the button to return to the normal stop status.
TEST
(It takes approx. 1 min until the remote control operation is available again.)
SET
SET
1. If the setting data is dif
ferent, modify the setting
data by pressing / buttons for the timer setting to the
Write the on-site setting data to th
e EEPROM, such as address setting, etc. Per
form the steps 1 and 2 above
again.
Change the CODE No. (DN) to by pressing / buttons for the temperature setting. (this is the
setting
for the filter sign lighting time.)
Check the setting data displayed at this time with the setting data put dow
n in [1] (on page 1).
d
ata put down in [1].
The operation completes if the setting data is displayed.
EEPROM
<Fig.2>
IC socket
Cut out
Cut out
EEPROM
IC503
*
buttons for the temperature setting.
2.. If the data is the same, proceed to next ste
Change the CODE No. (DN) by pressing /
As described a
bove, ch
eck the setting data and modify to the data put down in
[1].
Repeat the steps 6 and 7.
TEST
After the setting completes press button to return to the normal stop status.
(It takes approx. 1 min until the remote control operation is available again.)
.The CODE No. (DN) is not limited to be serial No. Even The CODE No. (DN) are ranged from to
after modifying the wrongly and pressing button, it is possible to return to the data before modification
pressing button if the CODE No. (DN) by pressing CL by
<Fig.2 EEPROM layout diagram>
The EEPROM (IC503) is attached to the IC socket. When
detaching the EEPROM, use a tweezers, etc. Be sure to
attach the EEPROM by fitting its direction as shown in the
figure.
* Do not bend the IC lead when replacing.
SET
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