RCME 40~480AH
R134a Screw High Efficiency Chiller
High efficiency, continuous capacity control, high precision
water chiller for improved yields at partial loads without using
frequency inverters
‰ Ambient Working Range -15ºC ~ 46ºC
Three Basic Modules
Model
Cap
EER
ESEER
RCME-40AH
106 kw
3.48
4.61
RCME-50AH
132 kw
3.36
4.45
RCME-60AH
160 kw
3.26
4.32
Model
Height
Width
Length
Weight
RCME-40AH
2,450
2,230
2,000
1,425 kg
RCME-50AH
2,450
2,230
2,000
1,460 kg
RCME-60AH
2,450
2,230
2,000
1,515 kg
Low Noise as Standard
‰ Standard Chiller
ƒ Sound Power 91 ~ 93 dB
‰ Standard Water Temp 5ºC ~ 15ºC
High Water Temp 15ºC ~ 30ºC
ƒ Sound Pressure 77 ~ 79dB(A)
Sound Pressure Level
1.5m height,
1m from Control Panel
ƒ Low Noise & Super Low Noise options
Multiple Combinations
Model
Cap
Model
Cap
RCME-080/2AH
212 kw
RCME-160/4AH
424 kw
RCME-090/2AH
238 kw
RCME-170/4AH
452 kw
RCME-100/2AH
264 kw
RCME-180/4AH
476 kw
RCME-110/2AH
292 kw
RCME-190/4AH
502 kw
RCME-120/2AH
320 kw
RCME-200/4AH
528 kw
RCME-120/3AH
318 kw
RCME-210/4AH
556 kw
RCME-130/3AH
344 kw
RCME-220/4AH
584 kw
RCME-140/3AH
370 kw
RCME-230/4AH
612 kw
RCME-150/3AH
396 kw
RCME-240/4AH
640 kw
RCME-160/3AH
424 kw
RCME-170/3AH
452 kw
RCME-180/3AH
480 kw
‰ Factory pre-assembled 2, 3
& 4 module chillers available.
~
RCME-480/8AH
1,280 kw
‰ Up to 8 modules per “Chiller” (Master + 7 x Slaves)
‰ Combination of 40 hp and 60 hp units not allowed due to uneven water distribution.
3 Module
No. 1
No. 2
No. 1
No. 2
No. 3
No. 4
40
40
40
40
40
40
40
50
40
40
40
50
50
50
40
40
50
50
50
60
40
50
50
50
60
60
50
50
50
50
50
50
50
60
50
50
60
60
50
60
60
60
60
60
60
60
4 Module
2 Module
Module Combinations
No. 1
No. 2
No. 3
40
40
40
40
40
50
40
50
50
50
50
50
50
50
60
50
60
60
60
60
60
‰ Up to 8 modules per “Chiller” (Master + 7 Slaves)
‰ Combination of 40 hp and 60 hp units not allowed due to uneven water distribution.
Two Operating Modes (As Standard)
HITACHI Controls have been developed to achieve the best performance of
the Chiller and ease of interaction for the user.
‰ Steady Outlet Water Temp
ƒ All module Compressors operating at the same % load
ƒ Accurate +/- 0.5ºC leaving water temperature (Same as current AG2)
‰ New High Efficiency Mode
ƒ Module Compressors Start/Stop separately – Smart Control
ƒ ESEER up to 5.0
Smart Control System
‰ Intelligent control of each module to provide high efficiency operation.
Modules
1
2
~
8
RCME 40AH
ESEER
4.61
4.61
~
5.01
RCME 50AH
ESEER
4.45
4.45
~
4.84
RCME 60AH
ESEER
4.32
4.32
~
4.69
‰ Example, 4 modules.
EER50%
4 Modules Efficiency
EER75%
EER100%
EER25%
1 Module Efficiency
ESEER = ER100%+EER75%+EER50%+EER25%
Intelligent Control System
EER Improved at 25% load
ƒ We take the best of two modules
working efficiency at 50% load to
achieve a total load of 25%
50
50% x 2
50
= 25%
EER50%
4
EER75%
EER100%
EER25%
ESEER = ER100%+EER75%+EER50%+EER25%
Intelligent Control System
EER Improved at 50% load
ƒ We take the best of 3 modules
working efficiency to 66.7% load
to achieve a total load of 50%
66
66
66
66% x 3
= 50%
EER50%
4
EER75%
EER100%
EER25%
ESEER = EER100%+EER75%+EER50%+EER25%
Intelligent Control System
EER at 75% & 100% load
ƒ 4 modules working at 75% or 100%
load giving your Total Efficiency
75
75
75% x 4
75
75
= 75%
4
100
100 100
100
EER50%
EER75%
EER100%
EER25%
100% x 4
= 100%
4
ESEER = EER100%+EER75%+EER50%+EER25%
Project Customisation by Module selection
‰ Efficiency
‰ Price
‰ Installation Space
New Twin Screw Compressor
‰ New Compressor
ƒ Continuous Capacity Control 25% ~ 100%
ƒ Overhaul period extended from 24,000hrs to
40,000hrs
ƒ Optimised Rotor for R134a
ƒ Lighter Casing
‰ R134a Refrigerant
ƒ Lower GWP than R407C
ƒ
R407C (1652) / R134a (1300)
ƒ No fractionation
ƒ
(change in composition of a refrigerant mixture.
DC Fan Motor & Optimised Fan Design
‰ New optimised 710mm Ø
fan design with 4 blades
‰ All Fans Inverter Controlled
(EC motor)(IPM)
Optimised Heat Exchanger Design
‰ New heat exchanger with enhanced
aluminium fins
% Heat transfer
Heat Transfer Enhancement
‰ U shaped heat exchanger taken from
Modular Set Free
‰ 20% increase in surface area
‰ 7mm Ø piping for increase transfer
‰ Additional sub-cooling circuit to
increase the seasonal efficiency.
Air velocity
Air Resistance
Optimised Refrigerant Circuit
‰ Twin Plate heat exchangers in series for
greater efficiency
‰ Electronic Expansion Valve with PID
control
‰ These electronic expansion valves
provide sophisticated control under any
temperature condition.
New LCD Touch Panel
‰ Each HITACHI RCME-AH module is equipped with a colour touch screen panel,
which shows the data of the unit and allows the setting of parameters for
optimizing the performance of the unit.
Accessories & Options (Provisional)
Specification
General
Control System
Option
Low Noise
√
Super Low Noise
√
Low Ambient Fan Control (-15°C)
√
Modules connection (up to 4 modules)
High Water Temp.
Standard
Comment
√
Outlet temperature 15 ~ 30ºC (High1)
√
Compressor Enclosure
√
Compressor Circuit Breaker Protector
√
Fan Circuit Breaker Protector
√
Included with Low Noise
Current Limiter
√
Star-Delta starting
√
Main Isolator Switch
√
LCD touch panel
√
Local/Remote Changeover Switch
√
Individual Alarm
√
Compressor Operation Hour Meter
√
Pressure Sensor (High and Low)
√
Pump Freeze Protection Operation
√
Pump on/off Operation
Pump Operation Circuit
√
Pump on/off Contact
For compressor
By Alarm Code
Accessories & Options (Provisional)
Specification
Control System
Standard
Non Voltage Contact for Remote indication
√
Pump, Operation, Alarm
DC24V External Control
√
Level & Pulse
Short Period Power OFF Protection
√
Power Failure Recover Control
√
2 Different Temperatures Setting
√
Remote Control (Field Supplied) socket
√
AC 230V
Electrical Power estimation
√
Through LCD
% of instantaneous load
√
Through LCD
Power Meter (Factory installed)
Air Condenser
Option
√
Numbered Cables
√
Power source terminals (AC 230V)
√
Output ON/OFF Signal for Free Cooling
√
Output ON/OFF Signal for Fan operation
√
Output Signal for Forcing Compressor Load
√
Coil Guard Nets
√
Coated Aluminium Fin
√
Snow Protection
Accessories & Options (Provisional)
Specification
Lower panels enclosure
General
Standard
Option
√
Wooden Crate
√
Electric box at opposite side
√
Witness Test
√