Single Source Industrial Refrigeration Solutions

Low Charge Central System

Efficiency and Reliability of a Central System With
The Ingenuity of Remote Distributed Condensing Units

The Low Charge Solution.
From a Single Source.
The Frick® Low Charge Central System (LCCS) combines
the high efficiency and reliability of a central refrigeration
system with innovative remote distributed condensing
(RDC) units.
This configuration results in a total system ammonia
charge of approximately 1.5-3 lbm/TR. Frick offers a complete
low charge solution with compressors, evaporators,
condensers, and controls.
Top: Standard RDC units
Middle: DX evaporators
Bottom: Charge a 50 TR RDC unit
with 75 lbm from an ammonia
cylinder in as little as 15 minutes
Advantages
n Significantly reduces ammonia charge
n Lowest total cost of ownership of any low charge system
n Minimal liquid in occupied space
n Eases regulatory burden
n Flexibility: Single and/or two stage, economized, side loads
n Easy expansion capabilities
n Capacity redundancy
n Addresses water scarcity issues without water treatment
concerns, with adiabatic or air cooled condensing
n Ease of system start up after power disruption
n Multiple heat recovery possibilities
n Compressor wiring, maintenance and oil cooling
are in the engine room
n Retains familiar industry components
n Frick Factor customization, installation and service

RDC20D-(X) RDC20E-(X)
40 RDC40A-(X) RDC40P-(X) RDC40D-(X) RDC40E-(X)
60 RDC60A-(X) RDC60P-(X) RDC60D-(X) RDC60E-(X)
80 RDC80A-(X) RDC80P-(X) RDC80D-(X) RDC80E-(X)
100 RDC100A-(X) RDC100P-(X) RDC100D-(X) RDC100E-(X)
120 RDC120A-(X) RDC120P-(X) RDC120D-(X) RDC120E-(X)
† Substitute the suction temperature (+35/+20/0/-20) in °F, for the X in parentheses.
1. Adiabatic condensing: Based on 98 °F condensing, 95 °F dry bulb and 78 °F wet bulb temperatures.
2. Plate frame heat exchanger condensing: Based on 98 °F condensing with 85 °F to 95 °F propylene glycol (30%.)
3. Dry condensing: Based on 110 °F condensing and 95 °F dry bulb temperatures.
4. Evaporative condensing: Based on 95 °F condensing, 95 °F dry bulb and 78 °F wet bulb temperatures.
Remote Distributed Condensing
The key components of the Frick Low Charge Central System
(LCCS) are the remote distributed condensing (RDC)
units and supporting control system. Offering simplicity,
flexibility and efficiency, projects are scalable based on the
application needs.

Remote Distributed Condensing (RDC) Units
n Standard 20, 40, 60, 80, 100, 120 TR per RDC unit
n Flexible condensing options: Adiabatic, plate & frame, air cooled, and evaporative
(Adiabatic and plate & frame shown)
n Multiple RDC units work seamlessly together via
Frick control logic (Patent pending)
n Frick 24V panel - No arc flash concerns
n Completely factory wired
Compressors
n Ease of service
n Compressor redundancy or swing
n Larger compressors increase efficiency
n Flexibility: Single stage, two stage, economized
Frick® I Low Charge Central System
1
2
3
4 5
Evaporators
n Low charge direct expansion feed
n Defrost - air or hot gas
n Automatic safety system for leak protection
n Defrost condensate returns to RDC unit
Hygienic Unit
n Low refrigerant charge DX coil(s)
n Self-contained refrigerant leak detector
n Minimal risk of refrigerant exposure
Controls
n Automatic refrigerant management
between multiple RDC units minimizes charge
n Control of energy and water usage
delivers lower operating cost

zhanqinhao

HVAC&R Engineer

Refrigeration and Process Systems

China Refrigeration (York by Johnson Controls)

Mobile:+86 13818154378  18625150627

QQ:    826554493

862417098

www.jiusuichina.com

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