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8-1. How to Set on PC Board
1. Turn off the power breaker to halt the supply of electricity to the PC board.
2. Open the lid of the electrical component box and confirm the location where the Select switch on the indoor unit
control PCB is placed. (Fig. 8-1)
3. Set the On/Off switches in the Off position which are now set in the On position.
Select the positions of the Select SW001 switches respectively to make the desired external static pressure
settings referring to the Table 8-1.
Table 8-1 external static pressure SW setting
External static pressure
at the time of rated
airflow volume
200
270Pa
140Pa
60Pa
8-2. Operating the Timer Remote Controller
(CZ-RTC2)
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 time.
3. Specify the "
" item code by pressing the
/
buttons for the temperature
setting buttons and confirm the values.
("
" set at shipment )
4. Press the
/
the values for the set data.
Refer to Table 8-2 and Fig. 8-2 and select a value
"
", "
" or "
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.
SW001
TP6
TP3
TP1
ON
1
2
3
ON
1
2
3
ON
1
2
3
,
and
.
buttons for the time to amend
".
SW001
ON
1
2
3
Table 8-2 Setting the external static pressure
buttons
External static pressure of
the rated airflow volume
1
NOTe:
Failure to set this parameter may result in decreased airflow
and condensation.
16
Indoor Unit control PC board
SW001
ON
1
2
3
Indoor unit
Type 200
270 Pa
140 Pa
60 Pa
6
5
1
4
Fig. 8-1
Item code
2
3
CZ-RTC2
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