Hitachi FSXN1E Series, Installation And Operation Manual

Page: 80 / 756

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.
N O T E
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 specified
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