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2. Detailed Settings Function
5
VRF SYSTEMS Indoor Unit
1
2
3
4
5
6
7
8
9
3. How to install the indoor unit
1-4. Operating the Timer Remote Controller (CZ-RTC4)
1-4-1. Setting Item Code “”
1-4-2. Auto Airflow Volume Control Operations and External
Static Pressure Setting-Check Operation
Table 2-7 Setting the external static pressure
Indoor unit Item code
15, 22, 28, 36, 45,
56, 60, 73, 90
106, 140, 160
b0
External static pressure of the rated
air flow volume (Pa)
150 150
140 140
130 130
120 120
100 110
70 100
60 70
50 50
30 30
10 10
No auto airflow volume setting
Auto airflow volume setting
* Failure to set this parameter may result in decreased
airflow and condensation.
1. and buttons
simultaneously for 4 or more seconds.
( , the Unit No., Item Code and Detailed Data will
blink on the LCD display.)
2.
sequentially displayed whenever the Unit Select button is
pressed .
Only the fan motor for the selected indoor unit will operate
during this time.
3. ” item code by pressing the
buttons for the temperature setting buttons and confirm
the values.
(“ ” set at shipment )
4.
Press and hold down the
The indoor unit numbers in the group control will be
Specify the “
Press the / buttons for the time to amend the
values for the set data.
Refer to Table 2-7 and Fig. 2-8 and select a value
between “ ” and “”.
Select “ ” if the auto airflow volume setting is
activated.
5. button.
The display will stop blinking and remain illuminated.
6.
Press the
Press the button. The fan motor will stop operating
and the LCD display will return to the normal stop mode.
1. Press and hold down the
button for 4 or more seconds.
“ ” will be displayed on the LCD display.
2. Press the button to start the test run.
3. Select the operation mode (Fan) by pressing the
(Mode select) button.
Auto airflow volume control operations and external static
pressure setting-check operations will not be performed
unless the above settings are made.
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.
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 button to halt the test run.
NOTE
Then select the fan speed by pressing the
(Fan speed) button.
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1
4
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SM830232-02_欧州向けVRF Indoor SM&TRSM.indb 32 17/03/08 18:33:54
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