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Summary of Contents for Mueller E-Star OESE
- Page 1 E-Star® OESE Condensing Unit with ECM Fan Motor 3.5 and 5 HP INSTALLATION AND OPERATION MANUAL Part No. 8829337 Effective August 22, 2023...
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Page 3: Table Of Contents
Safety Alert ........................9 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. - Page 4 Safety Alert ....................... . . 22 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No.
- Page 5 E-Star OESE Compressor Oil Charge ..................29 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No.
- Page 6 R-448a Pressure Temperature Chart ..................41 Section 17.0 – E-Star OESE Installation Survey...
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Page 7: Section 1.0 - Introduction
Section 1.0 – Introduction GENERAL SPECIFICATIONS Mueller® E-Star OESE condensing units are engineered to maximize the energy efficiency and cooling capacity of your milk cooling system. Custom and specialized components consist of the following: A quiet, energy-efficient Copeland® “ZB” scroll refrigeration compressor, designed for commercial refrigeration service rather than air conditioning, provides improved performance over the entire milk cooling temperature range. -
Page 8: Technical Support
TECHNICAL SUPPORT This manual provides basic installation and operating information for Mueller E-Star OESE condensing units. Please contact your local Paul Mueller Company Sales and Service Representative if you require additional technical assistance pertaining to installation or operating procedures. Manufacturer’s support is available by contacting the following:... -
Page 9: Section 2.0 - Installation
Refrigerant piping should be installed with long-radius bends or fittings. See Tables 2–9 for proper pipe sizing. E-Star OESE condensing units are shipped with a dry nitrogen holding charge. The unit, refrigerant lines, and evaporator circuit will require a triple evacuation to 500 microns prior to refrigerant charging. The system must hold below 1,000 microns in a standing vacuum test, ensuring that it is leak free. - Page 10 Suction Line Discharge Line .50" OD .875" OD .50" OD .625" OD .875" OD .50" OD Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023...
- Page 11 Suction Line Discharge Line .50" OD .875" OD .50" OD .625" OD .875" OD .50" OD Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023...
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Page 12: Electrical Connections
Operating the condensing unit as a pump down without the proper modifications can cause unwarranted damage. Please contact Mueller Dairy Farm Equipment for more information regarding these modifications. Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 13: Section 3.0 - Refrigerant Charging
13 lbs / 5.9 kg 12 lbs / 5.44 kg NOTE: R-507 or R-448a is recommended for use with E-Star OESE condensing units. Other refrigerants may be compatible; contact Paul Mueller Company’s Dairy Farm Equipment Service Department for more information. -
Page 14: Final Operating Charge
ARI 700-88 specifications. Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337... -
Page 15: Safety Alert
Immediately vacate the area and ventilate prior to reentry. This is characterized by a strong acidic odor. Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337... -
Page 16: Section 4.0 - Operating Features
Section 4.0 – Operating Features REFRIGERANT CYCLE Mueller E-Star OESE condensing units utilize a thermal expansion valve (TEV) that controls the evaporator’s superheat. The expansion valve must be field adjusted to maintain the milk cooler’s evaporator’s superheat at 4–6°F (2.2–3.3°C) or the chiller’s superheat at 10–12°F (5.6–6.7°C). - Page 17 (access ports P2) to ensure the compressor is protected against damage caused by liquid refrigerant slugging. Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023...
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Page 18: Section 5.0 - Expansion Valve
4–6°F or chiller evaporator superheat at 10–12°F. Proper location and sizing of the thermal expansion valve is critical. Refer to Section 5.2 for the superheat adjustment procedure. An externally equalized TEV must be used on Mueller milk cooling applications. A sight glass must be installed at the TEV inlet. - Page 19 60 PSIG • 40°F – 34°F = 6°F (4.4°C – 1.1°C = 3.3°C) superheat at evaporator. Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023...
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Page 20: Section 6.0 - Accumulator Heat Exchanger
IMPORTANT: The Mueller accumulator heat exchanger utilizes a special “pancake” heat exchange coil. The use of a generic spiral accumulator heat exchanger will severely reduce the cooling capacity of the E-Star OESE condensing unit and may cause premature compressor failure. Use genuine Paul Mueller Company .replacement parts only. -
Page 21: Section 7.0 - Electrical Schematics
10. Use the correct primary leads on the transformer for the power source used (208 V or 230 V). DFE0528 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337... -
Page 22: Oese 3.5 And 5 Hp, 208-230/60/3 Wiring Schematic
FACTORY INSTALLED WIRING used (208 V or 230 V). DFE0529 CUSTOMER FIELD-INSTALLED WIRING Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 23: Oese 5 Hp, 460/60/3 Wiring Schematic
9. Wire not to come in contact with sharp edges, moving parts, or hot surfaces. DFE0530 CUSTOMER FIELD-INSTALLED WIRING Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 24: Section 8.0 - Pressure Switches And Fan Control
350 psig (±10 psig). The high-pressure switch should be replaced if it does not operate as indicated above. Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337... -
Page 25: Fan Speed Control
FAN SPEED CONTROL E-Star OESE condensing units use an Electronically Commutated fan Motor (ECM) that is controlled by the ECM fan control board. The ECM fan motor operates at a full range of speeds for different ambient temperatures. The ECM fan control board is preprogrammed to operate the fan at a minimum speed when the high-side pressure rises above 160 psig and maximum speed when the high-side pressure rises above 240 psig. -
Page 26: Section 9.0 - Equipment Sound Level
84 dB. FIGURE 6: SOUND MEASUREMENT Compressor 84 dB 80 dB 81 dB 81 dB Condenser Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 27: Section 10.0 - Maintenance
Provide the actual time below. Readings should be taken at five-minute intervals. Compressor Amperage Time* Measured Supply Voltage: Condensing Unit Model and Part No.: Serial No.: Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 28: Maintenance Procedures
10.2 MAINTENANCE PROCEDURES Mueller E-Star OESE condensing units require minimal maintenance. Paul Mueller Company recommends the following scheduled maintenance procedures that should be performed by a knowledgeable service technician on an annual basis: Clean the condenser tubes and fins from accumulated dust or other foreign matter to ensure proper air flow. -
Page 29: Section 11.0 - Disposal
Section 11.0 – Disposal 11.1 GENERAL If the E-Star OESE condensing unit is removed for resale or disposal, ensure the materials, refrigerant, and oils are handled and/or disposed of according to applicable codes and regulations. 11.2 COMPRESSOR REFRIGERANT OIL The compressor contains a lubricant consisting of polyolester (POE). Dispose of in accordance with local regulations. -
Page 30: Section 12.0 - Equipment Markings
Leak test and evacuate Run test unit Dry nitrogen holding charge: Manual Part No.: Final Inspection: Date: Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 31: Label No. 8820155, Wiring Connections For Three-Phase Scrolls
SCREEN INSIDE • SCREEN INSIDE • SCREEN INSIDE • SCREEN INSIDE 12.7 LABEL NO. 8822232, WARNING SYMBOL: HOT 6911 8822232 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 32: Label No. 8820623, Warning Symbol: Electrical
BEFORE REMOVING ÉLECTRIQUE AVANT D’ENLEVER ANTES DE REMOVER LA TELA SCREEN GUARD DE PROTECCION. L’ÉCRAN DE PROTECTION. Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 33: Label No. 8820768, Warning: Place Screen Guard Before Unit Operation
EL ABANICO COMIENZA AUTOMATICAMENTE. 8820769 12.14 LABEL NO. 8824383, MUELLER LOGO 12.15 LABEL NO. 8822705, CSA Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 34: Section 13.0 - Safety
Technicians handling refrigerants should wear side-shielded safety glasses, impervious (preferably butyl-lined) gloves, and other protective equipment or clothing as required by the situation. Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337... -
Page 35: Section 14.0 - Technical Data
8825319 5 HP, Three-Phase Unit, ZB38KCE 64 oz Copeland Ultra 22cc -OR- Mobil EAL Arctic 22CC Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 36: Section 15.0 - Compressor Data Charts
Nominal Performance Values (± 5%) based on 72 hours run-in. Subject to change without notice. Current @ 230 V. ©2016 Emerson Climate Technologies, Inc. Printed 1/11/2016 Autogenerated Compressor Performance 05-184 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 37: Zb26Kce Three-Phase, 208/230 V Compressor Data Chart For R-507
Nominal Performance Values (± 5%) based on 72 hours run-in. Subject to change without notice. Current @ 230 V. ©2016 Emerson Climate Technologies, Inc. Printed 1/10/2016 Autogenerated Compressor Performance 04-1338 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 38: Zb38Kce Single-Phase, 208/230 V Compressor Data Chart For R-507
Nominal Performance Values (± 5%) based on 72 hours run-in. Subject to change without notice. Current @ 230 V. ©2016 Emerson Climate Technologies, Inc. Printed 1/11/2016 Autogenerated Compressor Performance 04-1308 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 39: Zb38Kce Three-Phase, 208/230 V Compressor Data Chart For R-507
Nominal Performance Values (± 5%) based on 72 hours run-in. Subject to change without notice. Current @ 230 V. ©2016 Emerson Climate Technologies, Inc. Printed 1/10/2016 Autogenerated Compressor Performance 04-1317 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 40: Zb38Kce Three-Phase, 460 V Compressor Data Chart For R-507
Nominal Performance Values (± 5%) based on 72 hours run-in. Subject to change without notice. Current @ 460 V. ©2016 Emerson Climate Technologies, Inc. Printed 1/10/2016 Autogenerated Compressor Performance 04-1317 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 41: Zb26Kce Single-Phase, 208/230 V Compressor Data Chart For R-448A
ZB26KCE SINGLE-PHASE, 208/230 V COMPRESSOR DATA CHART FOR R-448A — CHART TO BE ADDED WHEN AVAILABLE — Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 42: Zb26Kce Three-Phase, 208/230 V Compressor Data Chart For R-448A
Nominal Performance Values (± 5%) based on 72 hours run-in. Subject to change without notice. Current @ 230 V. ©2019 Emerson Climate Technologies, Inc. Printed 03/05/2019 Autogenerated Compressor Performance 06-476 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 43: Zb38Kce Single-Phase, 208/230 V Compressor Data Chart For R-448A
ZB38KCE SINGLE-PHASE, 208/230 V COMPRESSOR DATA CHART FOR R-448A — CHART TO BE ADDED WHEN AVAILABLE — Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 44: Zb38Kce Three-Phase, 208/230 V Compressor Data Chart For R-448A
Nominal Performance Values (± 5%) based on 72 hours run-in. Subject to change without notice. Current @ 230 V. ©2019 Emerson Climate Technologies, Inc. Printed 5/21/2019 Autogenerated Compressor Performance 14-1955 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 45: Zb38Kce Three-Phase, 460 V Compressor Data Chart For R-448A
Nominal Performance Values (± 5%) based on 72 hours run-in. Subject to change without notice. Current @ 460 V. ©2016 Emerson Climate Technologies, Inc. Printed 1/10/2016 Autogenerated Compressor Performance 04-1317 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 46: Section 16.0 - R-507 Pressure Temperature Chart
67.39 153.30 -2.31 27.85 18.26 64.87 32.54 90.57 43.67 110.60 52.84 127.10 60.67 141.20 67.45 153.40 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 47: R-448A Pressure Temperature Chart
61.0 148.3 64.6 145.0 62.8 -13.2 18.7 -7.4 13.4 -10.3 146.9 63.8 153.0 67.2 150.0 65.6 Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... -
Page 49: Section 17.0 - E-Star Oese Installation Survey
Provide the actual time below. Readings should be taken at five-minute intervals. Compressor Amperage Time* Measured Supply Voltage: Condensing Unit Model and Part No.: Serial No.: Mueller E-Star OESE 3.5 and 5 HP Condensing Unit with ECM Fan Motor Installation and Operation Manual, Part No. 8829337 Effective August 22, 2023... - Page 52 1600 West Phelps Street | Springfield, Missouri 65802, U.S.A. DFE Service: 1-800-756-5991 | DFETechService@paulmueller.com 1-800-MUELLER | WWW.PAULMUELLER.COM ©2023 Paul Mueller Company | 23-2306090717p-DFESGF | 8829337...
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