5 - 40
2. Detailed Settings Function
5
VRF SYSTEMS Indoor Unit
1-1. 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 cover of the electrical box and confirm that there is
the indoor unit control PC board in it.
When using with high static pressure mode, set the indoor unit
control PC board as shown in Fig. 2-12.
3. Connect the short circuit connector to the short circuit pin
TP3 (2P: Yellow) of the indoor unit control board.
l
In the case of wired remote control setting, do not use
the short circuit connector.
Table 2-13 Setting the external static pressure
Indoor unit Item code
15 22 28 36 45 56
External static pressure of the rated air flow
volume (Pa)
10 15 15
30 30 40
6
2
1 5
1
4
3
NOTE:
Failure to set this parameter may result in decreased airflow
and condensation.
1-2. Operating the Timer Remote Controller
(CZ-RTC2)
How to set the external static pressure
1. Press and hold down the
, and buttons
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 set-
ting buttons and confirm the values.
(“ ” set at shipment )
4. Press the
/
buttons for the time to amend
the values for the set data.
Refer to Table 2-13 and Fig. 2-13 and select a value
“
”.
5. Press the
button.
The display will stop blinking and remain illuminat-
ed.
6. Press the
button. The fan motor will stop oper-
ating and the LCD display will return to the normal
stop mode.
TP6
CN112
CN111
CN110
WHT
YEL
RED
TP3
EMG
CN062
CHK
CN063
DISP
CN064
CN073
TEST
EXCT
FILTER
OC
RC
CN044
CN040
CN041
FAN-TAP
TP1
IC010
IC001
T5A
E250V
JP001
JP040
TP6 TP3 TP1
Indoor Unit control PC board
Fig. 2-12
White Yellow Red
Table 2-12 External static pressure
Type 15 22 28 36 45 56
Standard (Pa) (shipment) 10 15 15
High static pressure (Pa) 30 30 40
SM830232-02_欧州向けVRF Indoor SM&TRSM.indb 40 17/03/08 18:34:02
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