Hitachi RCUE60AG1 User Manual

FEATURES AND BENEFITS
2
/
3
"
Energy Saving
Thanks to Continuous Capacity Control, 15~20% energy
saving is possible compared with current step control
systems due to the following:
! The cooling load can be more closely matched
! Continuous Capacity Control takes advantage of high
efficiency part load performance.
! Frequent compressor starts and stops are eliminated.
-PART LOAD PERFORMANCE-
2.3. CONTROL
" Many Functions
Newly developed Control Board has many functions shown
below as standard.
! REMOTE/LOCAL changeover switch
! Individual Alarm
! Pump operation circuit
! Pump Freeze Protection Control
! Reverse Phase Protection
! Time Guard
! Star Delta starting Circuit
! Easy Interface
etc...
"
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 benefits not only air-conditioning
but also industrial process use.
-CONTINUOUS CAPACITY CONTROL-
-CONVENTIONAL STEP CONTROL-
MOTOR INPUT (%)
COOLING CAPACITY (%)
Continuous
Capacity
Control
Start
Outlet Water Temperature
Load Up 2
Load Up 1
(Quick cooling)
Neutral =2°C Standard
(
Minimum 0.5°C
)
Load Down
TIME
WATER TEMPERATURE
WATER TEMPERATURE
Restart
1st step
Final step
Outlet
Tem
p
erature
Temperature
Band 7°C
(normally)

Hitachi RCUE60AG1 Specifications

General

Brand	Hitachi
Model	RCUE60AG1
Category	Chiller
Language	English