Hitachi SAMURAI Series User Manual

Control System
Technical Catalogue
TCGB0051 rev 0 - 09/2009
64
10.1. Standard operating sequence for RCUE40CLG2, RCUE50CLG2 and RCUE60CLG2
Control Stage
Control Devices
Starting Control
Capacity Control Safety Devices
Shut Down
Main Power Switch
OFF ON ON ON ON ON ON ON ON
ON ON ON ON ON ON ON
ON ON OFF
Chilled Water Pump
- OFF ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON OFF OFF
Condenser Water Pump
- OFF ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON OFF OFF
Operation Switch (ON/OFF)
- - - ON - - - - - - - - - - - OFF - OFF -
Controller
Load Up
- - - - - - o o - - - - - - - - - -
Neutral
- - - - - - - - o - o - - o o - o -
Load
Down
- - - - - - - - o - o o - - - - -
Safety Devices No.1
CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS OPN CLS CLS CLS CLS
Power Supply
Indicator
OFF ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON OFF
Operation Indicator
OFF OFF OFF ON ON ON ON ON ON ON ON ON ON ON ON OFF ON OFF OFF
Alarm Indicator
OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON OFF OFF OFF OFF
Oil Heater CH1
OFF ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF ON OFF ON ON ON ON OFF
Compressor Motor
STA DLT DLT DLT DLT DLT DLT DLT DLT DLT
MC1
OFF OFF OFF OFF (ULD) (ULD) (ULD) (FLD) (FLD) (ULD) (ULD) (ULD) OFF (ULD) OFF OFF (FLD) OFF OFF
15% 15% 15~99% 100% 100% 15~99% 15~99% 15% 15~99% 100%
Solenoid Valve
SV11
OFF OFF OFF ON ON ON OFF OFF OFF OFF OFF OFF ON OFF OFF OFF OFF OFF OFF
SV12
OFF OFF OFF OFF OFF OFF OFF OFF OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF
SV13
OFF OFF OFF OFF OFF OFF ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF
Time Schedule
CLS: Close
OPN: Open
STA: Star
DLT: Delta
ULD: Unload
FLD: Full Load
5sec.
30sec.
3min.
Minimum 3min.

Hitachi SAMURAI Series Specifications

General

Refrigerant	R134a
Control System	Microprocessor control
Dimensions	Varies by model
Weight	Varies by model
Type	Air-cooled