Toshiba MMW-AP0481CHQ-E Service Manual page 96

Procedure 3: writing setting data in EEPROM
(The EEPROM of the service control P.C. board has been set to the factory trouble values.)
1
Push the +
(Under UNIT No.,
At the same time, the CODE No. (DN code)
2
The button allows you to moved the CODE No. (DN code) up / down by one place.
3
First, set the type and capacity codes of the hot water module.
(Changing the type and capacity codes in EEPROM overwrites the factory default settings.)
(1) Set the CODE No. (DN code) to
(2) Use the button to select the type.
(0062 is for the hot water module type.) - See the CODE No. list.
(3) Push the button. (The display should change from flashing to steady.)
(4) Use the
(5) Use the button to set the capacity code.
(For example, 0016 is for the 048 type.) - See the CODE No. list.
(6) Push the button. (The display should change from flashing to steady.)
(7) Push the button to bring the system back to normal off state.
4
Next, write any setting changes made on-site after installation, such as address settings, in
the EEPROM. Perform the tasks specified in step 1 again.
5
Use the button to set the CODE No. (DN code) to
6
Check the value displayed with the value jotted down in Procedure 1 or information
supplied by the customer.
(1) If there is a discrepancy, change the setting in accordance with the value jotted down or information
supplied by the customer, and push the
(The display should change from flashing to steady.)
(2) If there is no discrepancy, do nothing.
7
Use the button to change the CODE No. (DN code).
Again, check the value, and change the setting if necessary.
8
Repeat steps 6 and 7 until all the settings are checked.
9
When finished, push the
In the case of group operation, turn the unit off, reconnect the group control wiring from terminal A and B
of Hot Water Module and CN41 connectors, and turn on all the Hot Water Module.
(It takes the system about 1 minute to become responsive to remote controller operation.)
* CODE No. (DN code) go from
If you realize you have wrongly corrected a certain setting after pushing the
initial value by pushing the
2
4
5
1
+ buttons simultaneously and hold for at least 4 seconds.
ALL
is displayed.)
10
(no change)
button to set the CODE No. (DN code) to
button to bring the system back to normal off state.
01 FF
to with a few gaps along the way.
button, provided that the CODE No. (DN code) is yet to be changed.
3
10
is displayed.
11
.
03 03 03 03 03
button.
– 96 –
(To set central control address)
button, you can recover the