Hitachi SAMURAI Series User Manual

Features and Benefits
Technical Catalogue
2
17
TCGB0051 rev 0 - 09/2009
¡ Precise Temperature Control
Combination of “Continuous Capacity Control Compressor” and “HITACHI´s unique electronic controls” enable the
Chiller to control outlet water temperature precisely, independent of cooling load.
This control benets not only air-conditioning but also industrial process use.
CONTINUOUS CAPACITY CONTROL
TIME
Load Down
Neutral =2ºC Standard
(Minimum 0.5ºC)
Load Up 2
Load Up 1
(Quick cooling)
Outlet Water
Temperature
WATER TEMPERATURE
Start
CONVENTIONAL STEP CONTROL
WATER TEMPERATURE
Restart
OutletTemperature
1st step
Final step
Temperature
Band 7ºC
(normally)
2.4. Heat Exchanger
¡
Plate Type Heat Exchanger
The new Condenser less Chillers are equipped with plate type Heat Exchangers, which have many advantages
when compared with conventional Shell & Tube heat exchanger as described below:
- Less Refrigerant (Small Internal Volume)
- Clean (Stainless Steel)
- High efciency (closer approach temperature)
- Plate type heat exchanger can provide improved
cooling capacity for R407C
CAPACITY (%)
SHELL & TUBE PLATE

Hitachi SAMURAI Series Specifications

General

Brand	Hitachi
Model	SAMURAI Series
Category	Chiller
Language	English