Hitachi SAMURAI Series Service Manual page 16

2 Control Functions
Control functions on the module
Item
Water Temp Set Setting is possible in 0.5ºC units.
Main unit side
LCD device: Displays the status of the chiller unit (Run, stop, contents of alarm, operating pressure and
temperature, etc.)
7-Segment (for backup of the LCD): Displays the status of the unit and content of alarms with individual codes
Display
Pilot lamps: Lit on for power source: white, run: red, alarm: orange
Remote display
Outputs operation of the chiller unit, cool/heat mode, pump operation, alarm, warning and defrosting
When installing multiple units, operation as one entire heat system is possible by connecting each chiller unit
through H-LINK.
It is possible to connect a maximum of 8 units to one group.
Control of Master/
Slave group
?
N O T E
(Module Control)
(Option)
• Since this function is optional, it is necessary to make the settings for the enabling of this function at the time
of local installation.
• An exclusive controller is not required, but optional parts may become necessary depending on the structure
of the local system.
8 SMGB0120 rev.0 - 11/2017
Description