Hitachi SAMURAI Series User Manual

Control System
Technical Catalogue
10
65
TCGB0051 rev 0 - 09/2009
10.2. Standard operating sequence for RCUE80CLG2, RCUE100CLG2 and RCUE120CLG2
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 ON
ON ON OFF
Chilled Water Pump
- OFF ON ON ON 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 ON ON ON OFF OFF
Operation Switch (ON/
OFF)
- - - ON - - - - - - - - - - - - - - OFF - OFF -
Controller
Load
Up
- - - - - - - - o o - - - - - - o o - - - -
Neutral
- - - - - - - - - - o - - - - o - - - o - -
Load
Down
- - - - - - - - - - - o o o o - - - - - - -
Safety
Devices
No.1
CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS CLS OPN OPN CLS CLS CLS CLS
No.2
CLS CLS CLS 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 ON ON ON OFF
Operation
Indicator
OFF OFF OFF ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON OFF ON OFF OFF
Alarm
Indicator
OFF OFF OFF ON ON ON ON ON ON ON ON ON ON ON ON ON OFF OFF OFF OFF
Oil Heater
CH1
OFF ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON OFF ON ON ON ON ON OFF
CH2
OFF ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF ON OFF OFF ON ON ON ON OFF
Compressor
Motor
STA DLT STA DLT DLT DLT DLT DLT DLT DLT DLT DLT
MC1
OFF OFF OFF OFF (ULD) (ULD) (ULD) (ULD) (ULD) (FLD) (FLD) (ULD) (ULD) (ULD) OFF (ULD) OFF OFF OFF (FLD) OFF OFF
15% 15% 15% 15% 15~99% 100% 100% 15~99% 15~99% 15% 15~99% 100%
STA DLT DLT DLT DLT DLT DLT DLT DLT DLT DLT
MC2
OFF OFF OFF OFF OFF OFF (ULD) (ULD) (ULD) (FLD) (FLD) (ULD) (ULD) (ULD) OFF (ULD) (ULD) OFF OFF (FLD) OFF OFF
15% 15% 15~99% 100% 100% 15~99% 15~99% 15% 15~99% 15~99% 100%
Solenoid
Valve
SV11
OFF OFF OFF ON ON ON ON ON OFF OFF OFF OFF OFF OFF ON OFF OFF OFF OFF OFF OFF OFF
SV12
OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF OFF
SV13
OFF OFF OFF OFF OFF OFF OFF OFF ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF
SV21
OFF OFF OFF ON ON ON ON ON OFF OFF OFF OFF OFF OFF ON OFF OFF OFF OFF OFF OFF OFF
SV22
OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF OFF
SV23
OFF OFF OFF OFF OFF OFF OFF OFF ON ON OFF OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF
Time Schedule
CLS: Close
OPN: Open
STA: Star
DLT: Delta
ULD: Unload
FLD: Full Load
The compressor which started nally will be started rst
Minimum 3min.
3min.
60sec. 30sec.
5sec.
5sec.

Hitachi SAMURAI Series Specifications

General

Brand	Hitachi
Model	SAMURAI Series
Category	Chiller
Language	English