Panasonic U-72MF2U9 Service Manual page 143

2. Detailed Settings Function
1-2. Operating the Timer Remote Controller (CZ-RTC2)
1-2-1. How to set the external static pressure
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.
3. Specify the " " item code by pressing the
/ buttons for the temperature setting
buttons and confirm the values.
(" " set at shipment )
4. Press the / buttons for the time to amend
the values for the set data.
See Table 2 and Fig. 8 and select a value between
" " and "
Select " " if the auto airflow volume setting
is activated.
5. Press the button.
The display will stop blinking and remain
illuminated.
6. Press the button. The fan motor will stop
operating and the LCD display will return to the
normal stop mode.
1-2-2. Auto External Static Pressure Setting
Operation and Setting-Check Operation
1. Press and hold down the
seconds. " " will be displayed on the LCD
display.
2. Press the button to start the test run.
[Test Run] will be displayed on the LCD display.
3. Select the fan mode and set it to "H" by pressing
the button.
NOT E
The auto external static pressure setting operation
and setting-check operation will not be performed
unless [H] has been selected for the fan mode.
4. The fan motor will be activated, the auto external
static pressure setting operation and setting-check
operation will be performed for about 3 to 30 minutes.
The fan speed will change automatically while these
operations are in progress. When these operations
completed, "TEST" will be disappeared from the LCD
display.
5. Press the button to halt the test run.
, and buttons
.
".
button for 4 or more
4 - 21
Remote Controller Functions
Table 2 Setting the external static pressure
Indoor unit
7, 9, 12, 15, 18, 24
External static pressure of the rated air flow
volume
0.60 in.WC (150 Pa) 0.60 in.WC (150 Pa)
0.56 in.WC (140 Pa) 0.56 in.WC (140 Pa)
0.52 in.WC (130 Pa) 0.52 in.WC (130 Pa)
0.48 in.WC (120 Pa) 0.48 in.WC (120 Pa)
0.40 in.WC (100 Pa) 0.44 in.WC (110 Pa)
0.28 in.WC (70 Pa) 0.40 in.WC (100 Pa)
0.24 in.WC (60 Pa) 0.28 in.WC (70 Pa)
0.20 in.WC (50 Pa) 0.20 in.WC (50 Pa)
0.12 in.WC (30 Pa) 0.12 in.WC (30 Pa)
0.04 in.WC (10 Pa) 0.04 in.WC (10 Pa)
No auto airflow volume setting
Auto airflow volume setting
1 5
6 1
NOTE:
Failure to set this parameter may result in
decreased airflow and condensation.
1
3WAY VRF SYSTEM
Item code
36, 48, 54
2
3
4
3
5
2
1
2
3
4
5
6
7
8
9