Panasonic U-72MF2U9 Service Manual page 146

2. Detailed Settings Function
1-4. Operating the Timer Remote Controller
(CZ-RTC4)
1-4-1. Setting Item Code "
1. Press and hold down the
simultaneously for 4 or more seconds.
( , the Unit No., Item Code and Detailed Data will
blink on the LCD display.)
2. The indoor unit numbers in the group control will be
sequentially displayed whenever the Unit Select button is
pressed .
Only the fan motor for the selected indoor unit will operate
during this time.
1
3. Specify the "
/ buttons for the temperature setting buttons
and confirm the values.
(" " set at shipment )
4. Press the
2
values for the set data.
See Table 3 and Fig. 8 and select a value between
" " and "
Select "
activated.
3
5. Press the
The display will stop blinking and remain illuminated.
6. Press the
and the LCD display will return to the normal stop mode.
4
1-4-2. Auto Airflow Volume Control Operations and External
Static Pressure Setting-Check Operation
1. Press and hold down the
" " will be displayed on the LCD display.
5
2. Press the
3. Select the operation mode
(Mode select) button.
Then select the fan speed
(Fan speed) button.
6
N OTE
Auto airflow volume control operations and external static
pressure setting-check operations will not be performed
unless the above settings are made.
7
4. The fan motor will be activated and auto airflow volume
control operations or external static pressure setting-check
operations will be started.
The power of the airflow will change while these operations
are in progress.
8
The external static pressure setting-check operations and
auto airflow volume control operations will be completed in
about 3 to 30 minutes.
" " display will be disappeared from the LCD display.
5. Press the
9
"
, and
" item code by pressing the
/ buttons for the time to amend the
".
" if the auto airflow volume setting is
button.
button. The fan motor will stop operating
button for 4 or more seconds.
button to start the test run.
(Fan) by pressing the
by pressing the
button to halt the test run.
Table 3 Setting the external static pressure
7, 9, 12, 15, 18, 24
buttons
External static pressure of the rated air flow
volume
0.60 in.WC (150 Pa)
0.56 in.WC (140 Pa)
0.52 in.WC (130 Pa)
0.48 in.WC (120 Pa)
0.40 in.WC (100 Pa)
0.28 in.WC (70 Pa)
0.24 in.WC (60 Pa)
0.20 in.WC (50 Pa)
0.12 in.WC (30 Pa)
0.04 in.WC (10 Pa)
No auto airflow volume setting
Auto airflow volume setting
3
* Failure to set this parameter may result in decreased
A
airflow and condensation.
4 - 24
3WAY VRF SYSTEM
Remote Controller Functions
Indoor unit
36, 48, 54
0.60 in.WC (150 Pa)
0.56 in.WC (140 Pa)
0.52 in.WC (130 Pa)
0.48 in.WC (120 Pa)
0.44 in.WC (110 Pa)
0.40 in.WC (100 Pa)
0.28 in.WC (70 Pa)
0.20 in.WC (50 Pa)
0.12 in.WC (30 Pa)
0.04 in.WC (10 Pa)
A
1 6 4 5 1
°
°
A
1 5 2
3
Item code
2