Hitachi Set Free mini-HNRQ1 Series, Service Manual

Page: 163 / 187

161
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
3. Function Setting
The function setting should be performed during the outdoor unit stoppage.
This setting is not available during External Input/Output Setting.
No. 7-Segment Display Setting Item
Contents
1
0
Circulator Function
at Heating Thermo-OFF
No setting (continuously operation)
1 Indoor fan forced ON and OFF (2min. ON/6min. OFF)
2
0
Night Shift (Low Noise)
No setting
1 Setting night shift for cooling
3
0
Cancellation of Outdoor
Ambient Temperature Limit
No setting (valid)
1 Cancellation for heating
2 Cancellation for cooling
3 Cancellation for cooling and heating
4
0
Change of Defrost
Condition
No setting
1 Defrost for cold area
2 Defrost for warm area
5
0
SLo (IU Fan Speed)
Defrost Setting
No setting (Indoor fan stoppage during defrost operation)
1
Indoor fan SLo operation when heating operation is activated/during defrost
operation
6
0
Cancellation of Hot Start
No setting
1 Cancellation of hot start
7
0
Priority Capacity Mode
No setting
1 Change of correction factor for compressor frequency (pattern1)
2 Change of correction factor for compressor frequency (pattern2)
3 Change of correction factor for compressor frequency (pattern3)
8
0 Compressor Frequency
Control Target Value for
Cooling
No setting
1 Change of upper limit for compressor frequency of cooling operation
9
0 Compressor Frequency
Control Target Value for
Heating
No setting
1 Change of upper limit for compressor frequency of heating operation
10
0
Compressor Frequency
Fixed Mode
No setting
1 Fixed frequency mode
Start
DSW1-No.4 is “ON”.
DSW2-No.5 is “ON”.
The menu indication is changed
by pressing PSW2 or PSW3 and
PSW1 as shown by arrows (below).
End
DSW2-No.5 is “OFF”.
DSW1-No.4 is “OFF”.
NOTES:
1. Record the function No. of each setting
when setting the optional function. The
example is for setting 1.
2. Record the setting No. on the nameplate
“External Input/ Output and Function Setting”
attached to the reverse surface of the service
cover as well.