Mitsubishi Electric PUHZ-P100VHA2 Service Manual page 104

[Operating Procedure]
Check the setting items provided by function selection.
If settings for a mode are changed by function selection, the functions of that mode will be changed accordingly. Check all the current settings according to steps
to , fill in the "Check" column in Table 1, and then change them as necessary. For factory settings, refer to the indoor unit's installation manual.
Switch off the remote controller.
Hold down the (
FILTER
buttons simultaneously for atleast 2 seconds.
and then the remote controller's display content will change as shown below.
Refrigerant address
display section
FUNCTION
* If the unit stops after flashed for 2 seconds or "88" flashes in the room temperature display area for 2 seconds, a transmission error may have occurred.
SELECTION
Check to see if there are any sources of noise or interference near the transmission path.
Note
If you have made operational mistakes during this procedure, exit function selection (see step
Set the indoor unit number.
Press the ON/OFF button so that "- -" flashes in the unit number
display area.
Unit number
display section
Confirm the refrigerant address and unit number.
Press the button to confirm the refrigerant address and
MODE
unit number.
After a while, "- - " will start to flash in the mode number display area.
Mode number
display section
* "88" will flash in the room temperature display area if the selected refrigerant
address does not exist in the system.
Furthermore, if "F" appears and flashes in the unit number display area and the
refrigerant address display area also flashes, there are no units that corre-
spond to the selected unit number. In this case, the refrigerant address and unit
number may be incorrect, so repeat steps
Select the mode number.
Press the [ TEMP] buttons (
mode number.
(Only the selectable mode numbers can be selected.)
Select the setting content for the selected mode.
Press the button. The currently selected setting number
MENU
will flash, so check the currently set content.
Setting number display section
Register the settings you have made in steps
Press the MODE button. The mode number and setting number
will start to flash and registration starts.
* If " - - - " is displayed for both the mode number and setting number and "
Check to see if there are any sources of noise or interference near the transmission path.
To make additional settings in the FUNCTION SELECTION screen, repeat the steps
Note. After setting the modes 07 through 14, the modes 23 through 28 cannot be set continuously, or vice versa. In this case, after completing the settings for the
modes 07 through 14 or 23 through 28, go to the step 10 to finish setting, and restart setting from the step 1.
At this point, wait for 30 seconds or more before restarting setting. Otherwise, the temperature may indicate "
Complete function selection.
Hold down the FILTER (
buttonssimultaneously for at least 2 seconds.
After a while, the function selection screen will disappear and the air condi-
tioner OFF screen will reappear.
OCH415F
mode is 15 to 28) and
TEST
FUNCTION
will start to flash,
SELECTION
and to set the correct ones.
and ) to set the desired
Setting number 1 = Indoor unit operating average
to .
mode is 15 to 28) and TEST
Set the outdoor unit's refrigerant address.
Press the [ CLOCK] buttons (
desired refrigerant address. The refrigerant address changes from "00" to "15".
(This operation is not possible for single refrigerant systems.)
), and then restart from step
Press the [ CLOCK] buttons (
of the indoor unit for which you want to perform function selection. The unit
number changes to "00", "01", "02","03",04" and "AL" each time a button is
pressed.
* To set modes 01 to 06 or 15 to 22 select unit number "00".
* To set modes 07 to 14 or 23 to 28 carry out as follows:
• To set each indoor unit individually, select " 01" to "04".
• To set all the indoor units collectively, select " AL".
When the refrigerant address and unit number are confirmed by pressing the
button, the corresponding indoor unit will start fan operation. This
MODE
helps you find the location of the indoor unit for which you want to perform function
selection. However, if " 00" or "AL" is selected as the unit number, all the indoor
units corresponding to the specified refrigerant address will start fan operation.
Example) When the refrigerant address is set to 00 and the unit number is 02.
00 refrigerant address
Indoor unit
Confirm
* When grouping different refrigerant systems, if an indoor unit other than the
one to which the refrigerant address has been set performs fan operation,
there may be another refrigerant address that is the same as the specified one.
In this case, check the DIP switch of the outdoor unit to see whether such a
refrigerant address exists.
Mode number
display section
Press the [ TEMP] buttons (
setting number.
The mode number and setting number will stop flashing and remain lit, indicating the
end of registration.
" flashes in the room temperature display area, a transmission error may have occurred.
through .
* Do not operate the remote controller for at least 30 seconds after completing
function selection. (No operations will be accepted even if they are made.)
104
and ) to select the
.
and ) to select the unit number
Outdoor unit
No. 01 No. 02 No. 03
Fan mode
Remote controller
Mode number 02 = Indoor temperature detection
and ) to select the desired
Setting number 3 = Remote controller built-in sensor
".