Psc-A64S - Hitachi PC-ARF Technical Catalogue

3 Features and benefits
Centralised remote controls

3.2.3 PSC-A64S

• Up to 4 zones with a maximum number of 16 groups per zone. Therefore, up to 64 groups can be created.
• A maximum number of 16 indoor units by group is allowed, with a maximum of 160 indoor units per H-LINK II system.
• Up to 8 central remote controls (PSC-A64S) can be connected to a H-LINK.
• Compatible with all the RCS and Timers.
• In addition to the basic functions, operation mode and temperature setting, the air flow and automatic louver can also
be adjusted.
• When a problem occurs, an alarm code will immediately be displayed with detailed information about the error. The
alarms are classified into groups to facilitate maintenance procedures.
• Also includes the option of receiving and sending external signals, along with the option to connect with the PSC-A1T
timer.
• The external signals control the following functions:
- Simultaneous operation/stop of all the units.
- Simultaneous emergency stop of all the units.
- Operation signal for some of the controlled units.
- Alarm signal for some of the controlled units.
• The central station can be used together with each unit's individual remote control.
• A system configuration example is shown below:
Max 8 units in the same H-LINK are available.
(Set DSW1 correctly)
HITACHI HITACHI
GROUP GROUP
Central station
(PSC-A64S)
Wiring for remote control switch
Controlled by central station
(Remote control group)
42 42
TCGB0106 rev.0 - 12/2014
PSC-A64S: Centralised remote control
Max. 64 remote control group and max 160 indoor units are available.
HITACHI
GROUP
Group
Without
transmission
wiring
(For H-LINK II only)
Group
Without
remote
With
control
transmission
switch
wiring
H-LINK
transmission
wiring
Group Group
Without
remote
control
switch