Hitachi PC-ARFG2-Z - 11. Setback Trigger Unit

11. Setback Trigger Unit
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A16381H9HF
11. Setback Trigger Unit
The setback trigger unit can be set from the Installation Menu.
Step1. Select the indoor unit by pressing " ", " ", " ", or " " and press
"OK" to display the confirmation screen.
Step2. Select "Yes" and press "OK" to confirm the setting. Then, please
wait a moment until the screen shows "Completed" or "Setting
Disabled".
If "Cancel" is selected, the screen returns to the Setback Trigger
Unit screen.
Setback Trigger Unit
OK
Select Back
Setback Trigger Unit selectd:00-00
00-00
00-01
00-02
Setback Trigger Unit
00-00
00-01
00-02
OK
Enter Back
00-00
Set this as trigger unit
OK
Select Back
Yes Cancel
3. FrostWash setting on outdoor unit
To use this function in the VRF system, function selection F1 needs to be congured on the outdoor units.
FrostWash setting is disabled on the factory default setting.*
1
Set Function Selection F1 according to the following table.
"F1" Setting
Condition
Auto-FrostWash Manual FrostWash
"Interval" Time Duration Start-up Timing Operation
0 Factory Setting (Default): Not available FrostWash
1 Total Comp. Operation Hour: 500h
2 hours aer system stopped
Operate outdoor unit PSW
2 Total Comp. Operation Hour: 1000h
3 Total Comp. Operation Hour: 500h
Within the time zone scheduled by
Main wired remote controller*
4,5
4 Total Comp. Operation Hour: 1000h
5
Total Indoor Unit Fan Operation
Hour: Depending on Main Wired
Remote Controller Setting
Within the time zone scheduled by
Main wired remote controller*
4,5
Operate from Main wired remote
controller*
4
or operate outdoor
unit PSW
*1: When the air conditioner system supports FrostWash function and the function selection F1 of outdoor unit
is set as valid , then the FrostWash is automatically valid.
*2: Change according to the outdoor unit.
*3: Change according to indoor temperature and outdoor temperature.
*4: Only one "Main wired remote controller" exists in the same refrigerant cycle, and all the others are "Sub
wired remote controller". Refer to "8. Main Remote Setting" in this manual for the details of Main Wired
Remote Controller setting.
*5: You can set the schedule for the FrostWash operation from the Main Remote Controller. Otherwise, the
FrostWash operation will start soon aer the system is stopped.
NOTE:
•
Refer to the dedicated Service Manual for the FrostWash function.