Hitachi UTOPIA RAS-4HVRP2E - Check Mode; External Input and Output Setting; Function Setting; Menu Mode Accessing (by 7-Segment Display)

6 Optional functions
RAS-(4-6)H(V)(R/N)(C/P)2E
SMGB0136 rev.0 - 07/2021
124
6.2 RAS-(4-6)H(V)(R/N)(C/P)2E
6.2.1 Menu mode accessing (by 7-segment display)
Make sure to perform external input/output and setting while the outdoor unit is stopped. It cannot be set while the
outdoor is operating or check mode.
RAS-(4-6)HV(R/N)(C/P)2E (PCB2) RAS-(4-6)H(R/N)(C/P)2E (PCB1)
SEG1
DSW4
DSW2
DSW5
DSW7
DSW3
DSW6
DSW1
RSW1
PSW1 PSW2 PSW3
SEG1
DSW4
DSW2
DSW7
DSW3
RSW1
PSW1 PSW2 PSW3
DSW6
DSW1
7-segment
Display
7-segment
Display
7-segment display, DSWs and PSWs location.
? NOTE
AlltheDSWsandPSWsmentionedinthischapterarelocatedinthisway:
-PCB2forRAS-(4-6)HV(R/N)(C/P)2E
-PCB1forRAS-(4-6)H(R/N)(C/P)2E
6.2.1.1 Check mode
It is used to check the condition of the outdoor and indoor units. It also displays the last 15 items in alarm code
history. It is mainly used for servicing.
Start setting Exit setting
Press PSW1 for 3 seconds Press PSW1 for 3 seconds
6.2.1.2 External input and output setting
It is used to set the functions by external input and output signals.
Start setting Exit setting
1º Turn ON DSW1 PIN4
2º Turn ON DSW2 PIN6
1º Turn OFF DSW2 PIN6 during indicated external Input/Output setting mode
2º Turn OFF DSW1 PIN4
6.2.1.3 Function setting
It is used to set the operation mode of the indoor units depending on the requirements of the system.
Start setting Exit setting
1º Turn ON DSW1 PIN4,
2º Turn ON DSW2 PIN5
1º Turn OFF DSW2 PIN5 during indicated function setting mode
2º Turn OFF DSW1-PIN4
? NOTE
• Aftersetting,conrmDSW2andDSW1settingissameassettingbeforeshipment.
• Release“MenuMode”afterthesettingiscompleted.Otherwise,theairconditionermaynotoperateappropriately.