Hitachi RPC-3.0FSN3 - 10.6 Function Setting

10.6.1 External input/output and function
setting

Start of setting
Turn ON DSW4-No.4. Press PSW1 for 3 seconds or more. “Menu
Mode” will be indicated.

End of setting
Press PSW1 for 3 seconds or more when “Menu Mode” is dis-
played. The display indication become normal. Turn OFF DSW4
number 4.
NOTE
Release “Menu Mode” after the setting is completed. Otherwise,
the air conditioner may not operate appropriately.
Check mode
"CHEC"
For more details, refer to Checking
of outdoor unit by PCB in the Service
Manual
External input
and output
"ioS"
For the setting mode, refer to  below
Function setting
"Func"
For the function setting, refer to 
below
Press PSW1 one
Menu Mode
1 External input and output setting
By pressing the push-switches PSW3 ( ) and PSW5 ( ), the
function number can be selected.
PSW4 ( ): forward, PSW2 ( ): backward
Fill out the selected function setting number in the space of the
table as shown.
Example:
Item SEG2 SEG1 SET
1 Input Setting 1 CN17 (1-2 pin)
i1 1
2 Input Setting 2 CN17 (2-3 pin)
i2 2
3 Input Setting 3 CN18 (1-2 pin)
i3 3
4 Output Setting 1 CN16 (1-2 pin)
o1 1
5 Output Setting 2 CN16 (1-3 pin)
o2 2
(Setting before shipment)
Before shipping, the input/output function settings are specied
to each input/output terminal according to above table. The de-
tails of function number and external input/output settings are as
shown below.
Setting of external input and output function:
Function
number
Input Output
1 Fixing heating operation mode Operation signal
2 Fixing cooling operation mode Alarm signal
3 Demand stoppage Compressor ON signal
4 Outdoor fan motor start/stop Defrost signal
5 Forced stoppage -
6 Demand current control 40% -
7 Demand current control 60% -
8 Demand current control 70% -
9 Demand current control 80% -
10 Demand current control 100% -
11 Low noise setting 1 -
Function
number
Input Output
12 Low noise setting 2 -
13 Low noise setting 3 -
0 No setting No setting
The same input/output function setting cannot be set to different
input/output terminals. If set, a setting of larger function number
becomes invalid.
Example: When setting of input 1 and input 2 are same, input 2
will be invalid.
2 Function Setting
By pressing the push-switches PSW3 ( ) and PSW5 ( ), the set-
ting can be changed.
PSW4 ( ): forward, PSW2 ( ): backward
Refer to the Service Manual for more details.
Fill out the selected function setting number in the space of the
table as shown.
Example:
Item SEG2 SEG1 SET
1
Circulator function at heating
Thermo-OFF
FA O
2 Night-Shift (Low noise)
ni O
3
Cancellation of outdoor ambient
temperature limit
G5 O
4
Defrost for cold area (change of
defrost condition)
Jo O
5 SLo (fan speed) defrost setting
bJ O
6 Cancellation of hot start
H O
7 Priority capacity mode
nU O
8
Compressor frequency control
target value for cooling
Hc O
9
Compressor frequency control
target value for heating
Hh O
10.6 FUNCTION SETTING
66
PMML0294A rev.2 - 07/2014
Electrical wiring
PMML0294A_rev.2_02-2014.indb 66 14/07/2014 12:28:39