55 Dragon Court, Woburn, MA 01801, USAPhone: +1-781-933-7300 • Fax: +1-781-935-4529Email: info@Lytron.com • Web: www.Lytron.com

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LCS50 Part Number Configuration

Electrical configurations and full load amperage

L01: 208-230 VAC, 3 Phase, 50/60 Hz, 18 AmpsP01: 400-480 VAC, 3 Phase, 50/60 Hz, 9 Amps

Controller options

Standard Package 3: Digital temperature (primary & secondary), flow (primary & secondary), and pressure (secondary) display; RS232 communications; visual alarms for low/high temperature, low flow, low pressure, pump, power, or sensor failure; relay contacts; and lock-out protection.

Optional Package 4: Package 3 plus option to control set point based on dew point offset or on fixed temperature with user defined dewpoint override; visual alarm for dew point.

Optional Package 5: Digital temperature (primary & secondary), flow (primary & secondary), and pressure (secondary) display; RS232 and Ethernet communications; visual alarms for low/high temperature, low flow, low pressure, pump, power, or sensor failure; relay contacts; and lock-out protection.

Optional Package 6: Package 5 plus option to control set point based on dew point offset or on fixed temperature with user defined dewpoint override; visual alarm for dew point.

Available options

Dual modulating valves80 mesh coolant filters on primary and secondary loopsAlternative fluid inlet and outlet locationsInternal insulation package on secondary side (Insulation on primary side standard)

LCS 50 L01 DE 3 M An LCS50, 208-230V, 50/60 Hz, with standard DE pump and controller package 3

A 4 digit option code will be assigned at time of order, based on selected options

Pick an electrical configuration

And select yourcontroller

To arrive at apart number

Start with LCS50

Add any additional

options

Add the standard DE pump

World-Class Service Department

Lytron’s world-class service department is committed to ensuring your

cooling systems are operational. We’re dedicated to responding to our

customers' service and support needs 24 hours per day, 7 days per week.

Lytron offers commissioning and extended warranties for the LCS50.

(Please see our service brochure for more information.)

About Lytron

Lytron is the industry leader in thermal management and liquid cooling

technologies. For more than 50 years, Lytron has been the trusted supplier

of cooling systems and components to Fortune 100 companies around the

world. Our liquid cooling experience, strong engineering team, and supe-

rior manufacturing result in a fault tolerant CDU that you can depend on

for maximum system uptime.

LCS50™ Coolant Distribution Unit (CDU)

74449_Lytron_LCS50_6pg.qxp:Layout 1 1/8/10 8:47 AM Page 1

LCS50 Thermal Performance Graph1

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Secondary Water Flow Rate GPM

KBTU/Hr°F50 200 250150100 LPM

25 GPM

50 GPM

75 GPM

100 GPM

LCS50 Pump Graph2,3

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Secondary Water Flow Rate GPM

BARLPM50 250200150100

LCS50 Primary Side Pressure Drop

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Primary Flow Rate GPM

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1 Primary side flow rates are represented by curves. 2 Available pressure drop outside the LCS50.3 The system pumps can operate anywhere within the shaded box.

• Compatible with all data center liquid cooling solutions that requirewater or a water/glycol solution

• 150 kW cooling capacity

• Control to local dew point (optional)

• Maximum uptime design

• Dual power feeds

• Redundant pumps

• Redundant modulating valves (optional)

• Isolation valves for hot swapping of all major components

• Communication with Building/Data Center Management System(BMS/DCMS)

• Large, easy-to-use controller

The increasing heat load densities in datacom equipment centers require ever more sophisticated approaches to cooling, including

liquid cooling. Designed for data center cooling, the LCS50 is a 150kW Coolant Distribution Unit (CDU) that supplies precise tem-

perature-controlled coolant to your liquid cooled racks and transfers the waste heat to facility water.

• High reliability: The LCS50 is designed to be extremely reliable. Redundant pumps ensure the system always provides coolant

to your racks. The controller tracks the actual operation hours for each pump and the backup pump is tested periodically to

guarantee its operation if needed.

• Protection and isolation of datacom equipment: Using a CDU is strongly recommended in ASHRAE’s Guidelines for Liquid

Cooled Datacom Equipment Centers. According to ASHRAE, the benefits include:

° “Preventing condensation by delivering coolant to the rack, equipment, or electronics above the dew point,”

° “Isolating the electronics from the harsher facility water,” and

° “Minimizing the coolant volume near the technology so that a coolant leak would be less catastrophic.”1

• Easy installation: The unit is equipped with casters for easy mobility and leveling feet that disengage the casters. The inlets

and outlets of the primary (facility) and secondary (process) coolant loops can be configured for overhead plumbing or a

raised floor. Commissioning service and extended warranty are available.

• User-friendly, easy to configure controller: The menu-driven controller is very easy to configure. It warns of any system problems

via various alarms and offers security protection. The user can select from several temperature and flow control schemes as well as

set alarm offsets. The unit includes RS232 and Ethernet (optional) communication for remote monitoring.

• Energy efficient: Liquid cooled server cabinets are significantly more energy efficient than air cooling thereby providing lowest

cost of total ownership. Additionally, Lytron has selected energy efficient pumps to further reduce electricity consumption.

1 American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (2006). Liquid Cooling Guidelines for Datacom Equipment Centers. Atlanta.

Maximum cooling capacity 150 kW (512 kBTU/Hr, 42.6 tons) at 75 GPM (284 LPM) secondary and 100 GPM (379 LPM) primary flow rates and 10°C (18°F) difference between the incoming primary and secondary water temperatures.

Temperature stability ±1°C (±1.8°F)

Secondary coolant temperature set point range 5°C to 35°C (41°F to 95°F)

Pumps 3 HP Centrifugal, 2 per system

Pump capacity 75 GPM at 25 PSI (284 LPM at 1.7 Bar)

Primary and secondary side coolant Chilled water with up to 50% of glycol

Primary coolant temperature range 4°C to 12°C (39°F to 54°F)

Primary coolant flow rate 25 to 100 GPM (95 to 379 LPM)

Maximum primary coolant pressure 100 PSI (7 Bar)

Primary side pressure drop 5.5 PSI at 60 GPM (0.38 Bar at 227 LPM)

Fluid connections 2-1/8” ODF copper tube coupling terminated at top (standard) or bottom (optional)

Unit internal secondary side liquid capacity 9 Gallons (34 Liters)

Unit internal primary side liquid capacity 5 Gallons (19 Liters)

Power Accommodates dual power supply

Power supply 208-230 VAC, 3 Phase, 50/60 Hz, 18 Amps400-480 VAC, 3 Phase, 50/60 Hz, 9 Amps

Dimensions (W x D x H) 24.0 x 48.0 x 76.5 inches (61 x 122 x 194 cm)

Weight (empty) 900 lbs (408 kg)

Weight (filled) 1017 lbs (461 kg)

LCS50 Performance

Controller Option Functionality Controller Package3 4 5 6

Control to set point Allows user to define temperature set point and unit will control coolant delivery temperature to ±1°C. ● ● ● ●

Control set point temperature Allows the user to input dew point offset so that the coolant temperature will fluctuate ● ●based on dew point based on the dew point temperature.

Control set point based on Allows user to input set point temperature and a minimum dew point offset. If the set point ● ●fixed temperature with user temperature is above the dew point offset range, the LCS50 will deliver coolant at the set point defined dew point override temperature. If the set point temperature is within the dew point offset range, the LCS50 will

deliver coolant based on the dew point until it can return to temperature set point control.

Control to volume flow or Allows user to select volume flow set point or pressure differential set point. ● ● ● ●differential pressure

Temperature, flow, pressure, and Displays the current secondary coolant temperature, flow, and pressure, and the current position ● ● ● ●modulating valve status reporting of the modulating valve.

Heat load removed Displays heat load that the unit is currently removing. ● ● ● ●

RS232 communications Allows monitoring of current status and all alarms via RS232. ● ● ● ●

Ethernet communications Allows monitoring of current status and all alarms via Ethernet. ● ●

Alarms for low/high temperature, Alerts user that the parameter is outside of the user defined limits. ● ● ● ●low flow, low differential pressure

Pump failure alarm Alerts user of a pump failure. System automatically switches over to the secondary pump. ● ● ● ●

Power failure alarm Alerts user of a power failure. System automatically switches over to the secondary power feed. ● ● ● ●

Component usage hours Alerts user that the pumps, valve(s) (optional), and strainers (optional) have run for more ● ● ● ●than the user defined hours and preventative maintenance is required.

Security protection Allows user to lock-out controller set up menu. ● ● ● ●

Backup testing Allows the user to define the frequency and duration of the pump and valve (optional) testing. ● ● ● ●

Event tracking Provides user with last 20 alarms/component switch over and the date and time the alarm occured ● ● ● ●and was cleared.

Power Recovery Delay Allows the user to define unit start up delay on power switch over. Unit contains a battery ● ● ● ●backup to keep the controller (only) powered during a power switchover so the unit is immediately functional after the power delay period.

Primary side monitoring Additional instrumentation to monitor primary coolant loop. Provides temperature and flow ● ● ● ●monitoring of primary coolant loop and facilitates troubleshooting.

LCS50 Controllers

Option Benefit

Dual modulating valves Incorporates a second modulating valve. In the unlikely event of a failure, the controller automatically switches over to the redundant valve. The controller allows the user to define the frequency and duration of the valve testing.

80 mesh coolant filters Filters on both the primary and secondary side coolant loops. Protects LCS50 and customer’s equipment from blockage or damage due to particulate build-up and extends pump life. Filters can be cleaned while the unit is running.

Alternative fluid inlet and Allows for piping to terminate at the lower back of the LCS50 for dropped floor configurations.outlet locations

Internal insulation package Eliminates condensation on secondary coolant loop components when operating the LCS50 below the dew point.

LCS50 Options

Accessory Benefit

Fill pump kit This kit includes a self-priming fill pump that will generate 15 psi pressure necessary to fill the secondary fluid loop plus 6’ suction and discharge hoses. The kit also includes a bracket and hardware for hard mounting the pump in the LCS50. Instructions included.

Distribution manifold with The manifold consists of six inlet and six outlet ¾" male NPT ports with isolation ball valve on each port. The manifold has isolation valves 2" flanged fittings for mating with the supply and return lines to the LCS50.

Hosing is not included. Instruction included. See www.Lytron.com for an assembly drawing.

Secondary supply and return Two identical assemblies (supply and return) consist of 2” copper tee with 2” cup manifold connections, isolation/throttling valve,manifold branch assembly and ¾” female NPT fitting for connecting the manifold to the cabinet. Instructions included. This kit does not include hosing or

piping. Please see www.Lytron.com for an assembly drawing.

LCS50 Accessories

LCS50 ServiceStandard Warranty 1-year limited warranty covering the repair or replacement of any defective parts.

Commissioning (optional) Consists of pre-start up inspection, start-up, operational check, and product training. Required for Extended Warranty.

Extended Warranty (optional) Additional 1-year or 2-year optional warranty that covers the repair or replacement of any defective parts after the standard warranty period has expired. Commissioning required for Extended Warranty.

Liquid Cooling Configuration SoftwareLytron provides complimentary software to help you quickly andeasily determine primary and secondary temperature and flow requirements as well as number of CDUs needed. The software allows you to enter your data center's specifications includingyour cabinet systems’ make and model. Visit www.Lytron.com todownload or call +1-781-933-7300 to request a copy.

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