subracitor

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GEA Heat Exchangers, Inc. PHE Division 100 GEA Drive York, PA 17406 USA Ph: +717-268-6200 Fax: +717-268-6162 [email protected] Website: www.gea-phe.com/usa Subcooler Freeze Warning This heat exchanger's minimum fluid temperature of -18.0°C is below the freezing temperature of 0.0°C for water. Model: SC3 Cooling rate (kW) 3.8 Model size 5x12 Log mean temp. diff. (°C) 35.5 Nominal surface (m²) 0.5 Overall HTC (W/m²K) 1,258 Dimensions 124W x 310H x 46D Orifice pressure drop (kPa) 25.7 Net weight (kg) 3.4 Oversurface percent 483.2 Design Conditions Side A - Evaporating Side B - Liquid Refrigerant R-134a Ref. mass flow (kg/min) 1.7 Target evaporator temp. (°C) -18.0 Leaving pressure (bar ga) 0.4 Superheat (°C) 5.0 Liquid temp. entering TXV (°C) 38.0 Fluid type Water Fluid mass flow rate (kg/min) 30 Entering fluid temp. (°C) 20.0 Leaving fluid temp. (°C) 18.2 Fluid flow rate (L/min) 30.3 Fluid fouling factor (m²·K/W) 0.000018 Model Parameters Number of channels 7 8 Velocity (m/s) 2.5 0.3 Pressure drop (kPa) 19.7 22.9 Heat transfer coef. (W/m²K) 1,463 10,857 Internal volume (L) 0.595 0.680

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Subracitor

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Page 1: Subracitor

GEA Heat Exchangers, Inc. PHE Division100 GEA DriveYork, PA 17406 USAPh: +717-268-6200Fax: [email protected]: www.gea-phe.com/usa

Subcooler

Customer / Project Project Created 12/11/2013 9:47 AM Selection ID NUJ5L3S8P

User name Damian Paul,Dancu Mihai,Dan M... Print date 12/11/2013

Freeze Warning

This heat exchanger's minimum fluid temperature of -18.0°C is below the freezing temperature of 0.0°C for water.

Model: SC3

Cooling rate (kW) 3.8 Model size 5x12

Log mean temp. diff. (°C) 35.5 Nominal surface (m²) 0.5

Overall HTC (W/m²K) 1,258 Dimensions 124W x 310H x 46D

Orifice pressure drop (kPa) 25.7 Net weight (kg) 3.4

Oversurface percent 483.2

Design Conditions Side A - Evaporating Side B - Liquid

Refrigerant R-134a

Ref. mass flow (kg/min) 1.7

Target evaporator temp. (°C) -18.0

Leaving pressure (bar ga) 0.4

Superheat (°C) 5.0

Liquid temp. entering TXV (°C) 38.0

Fluid type Water

Fluid mass flow rate (kg/min) 30

Entering fluid temp. (°C) 20.0

Leaving fluid temp. (°C) 18.2

Fluid flow rate (L/min) 30.3

Fluid fouling factor (m²·K/W) 0.000018

Model Parameters

Number of channels 7 8

Velocity (m/s) 2.5 0.3

Pressure drop (kPa) 19.7 22.9

Heat transfer coef. (W/m²K) 1,463 10,857

Internal volume (L) 0.595 0.680

Page 2: Subracitor

GEA Heat Exchangers, Inc. PHE Division100 GEA DriveYork, PA 17406 USAPh: +717-268-6200Fax: [email protected]: www.gea-phe.com/usa

Notes

- To ensure proper part-load operation, the use of a hot-gas-bypass (HGBP) is recommended for this application. Contact

factory for details.

Ratings at Varying Conditions

Percent difference -15% -7½% 0% 7½% 15%

Pressure drop (kPa) (Side A) 16.6 18.1 19.7 21.2 22.7

Pressure drop (kPa) (Side B) 22.9 22.9 22.9 22.9 22.9

Cooling rate (kW) 3.2 3.5 3.8 4.1 4.4

Fluid flow rate (L/min) (Side B) 30.3 30.3 30.3 30.3 30.3

Fluid mass flow rate (kg/min) (Side B) 30 30 30 30 30

Entering fluid temp. (°C) (Side B) 20.0 20.0 20.0 20.0 20.0

Leaving fluid temp. (°C) (Side B) 18.5 18.3 18.2 18.1 17.9

Oversurface percent 532.5 506.9 483.8 462.8 443.6

Disclaimer

This software and the generated calculations provided herein are estimates only and should be treated as such. GEA PHE Systems North America, Inc. always strives to give

complete and accurate information, but cannot provide any guarantees. This software and its output are provided "as is" and any express or implied warranties, including, but

not limited to, the implied warranties of merchantability and fitness for a particular purpose are disclaimed. In no event shall GEA PHE Systems North America, Inc. be liable

for any direct, indirect, incidental, special, exemplary, or consequential damages (including, but not limited to, procurement of substitute goods or services; loss of use, data,

or profits; or business interruption) however caused and on any theory of liability, whether in contract, strict liability, or tort (including negligence or otherwise) arising in any

way out of the use of this software, even if advised of the possibility of such damage.

Page 3: Subracitor

Contact:

Customer / Project:

Model Nomenclature:

Selection ID:

Dimension Sheet Brazed Plate Heat Exchanger

GEA PHE Systems North America, Inc.100 GEA Drive, York, PA 17406Toll Free: 1-800-774-0474Phone: 1-717-268-6200Fax: 1-717-268-6163www.gea-phe.comE-mail: [email protected]

A:

B:

C:

D:

F:

G:

H:

Dimensions - inches (mm): Reference only

Connections Volume per BPHE

Circuit A Circuit B

Position 1 Position 2 Position 3 Position 4

Circuit A Circuit B

Net Weight:

Technical Data

Allowable Working Pressure and Temperature:

Max pressure Circuit A:Circuit B:

Max temperatureMin temperature

Standard construction materials:

Braze Alloy:Connector:Plate:

Code Approvals:

Note: Code approval applies to heat exchangers only.

Installation Notes:• Pipe in counter flow direction.• Water strainer should be installed in the fluid inlet circuit to protect the heat exchanger from blockage (20-40 mesh).• Solder / Sweat Connections – Use 45% silver solder (minimum), AWS grade Bag-24 or equivalent.

GEA Heat Exchangers

Mounting Bracket(optional)

A:

B:

C:

D:

F:

G:

H:

NUJ5L3S8P

SC3

Copper 99.9%304 Stainless Steel316L Stainless Steel

450 psig (31.0 bar ga)

350.0 °F (176.7 °C)-320.0 °F (-195.6 °C)

UL Listed, CRNOptional: ASME (UM stamped), PED (CE)

Project Created 12/11/2013 9:47 AM

4.90 (124.5)

12.20 (309.9)

2.70 (68.6)

9.96 (253.0)

2.48 (63.0)

3.54 (89.9)

1.80 (45.7)

0.021 ft³ (0.595 L) 0.024 ft³ (0.680 L)

7.6 lb (3.4 kg)7/8" IDS 5/8" IDS 1-1/8" IDS 1-1/8" IDS

450 psig (31.0 bar ga)