Function; The Instrument Keypad; Name And Function Of Each Part; Front View - Hitachi L-2100 Instruction Manual

3.1 The Instrument Keypad

3.1.1 Name and
Function of Each
Part
LED
Drain Valve
3.

FUNCTION

Main switch
Left door
Fig. 3-1

Front View

• Main switch
: Turns on/off power supply.
• Doors
: Two doors are provided.
• Drain Valve : This valve is opened for purging the system.
• Leak sensor : Detects fluid leakage.
• UI-PAD
: A keypad required for operating the pump
independently (available at option).
• LED
: There are 4 LEDs, and each LED lights in a
specific color for the determined indication.
Name (color)
A (green, orange)
B (green, orange)
PURGE (green)
PROG. RUN (green)
3 - 1
Drain
LED Status
Green : POWER ON as the pump A
Orange : Pump A error
Green : POWER ON as the pump B
Orange : Pump B error
Green : Under purge
Green : Under the time program
running
Right door
Leak sensor