Summary of Contents for MCED systems BEF-02
- Page 1 Service manual V1.0 SERVICE MANUAL GLYCOL CHILLERS BEF-02 BEF-04 BEF-05 BEF-075 Version 1.0 Release June 2017 – All rights reserved www.mcedsystems.com Page of 10...
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Page 2: Table Of Contents
Replace temperature controller ......................7 4.5. Replace temperature controller relay..................... 7 Troubleshooting ............................8 Electrical wiring diagrams ..........................9 6.1. Electrical diagram BEF-02, BEF-04 & BEF-05 ..................9 6.2. Electrical diagram BEF-075 ........................9 Replacement parts list ..........................10 www.mcedsystems.com Page... -
Page 3: Specifications
1. S PECIFICATIONS SPECIFICATIONS BEF-04 – 1 pump BEF-05 – 1 pump BEF-075 – 1 pump Model BEF-02 BEF-04 - 2 pumps BEF-05 - 2 pumps BEF-075 - 2 pumps Cooling distance (ft.) 250 head pressure 0’ Pump flow(GPH) 60 head pressure 26’... -
Page 4: Handling And Installation
Unit must be connected to a ground fault circuit breaker. Power pack and pump must have their own dedicated electrical circuit. 2.2. BEF-02 INSTALLATION Clamp and insulate both glycol lines to the pump outlet and to the unit return fitting. -
Page 5: Bef-04, Bef-05 And Bef-075 Installation
Service manual V1.0 2.3. BEF-04, BEF-05 BEF-075 INSTALLATION Remove the upper deck from the unit. Clean the reservoir and remove any dust or contaminant. Connect the overflow fitting to a proper external reservoir or drain. Clamp and insulate both glycol lines to the pump outlet and to the unit return fitting. Repeat this step for each pump. -
Page 6: Maintenance
ERVICING If you have any problem with the unit, please refer to section 5 to identify the cause of the problem. 4.1. R – BEF-02 EPLACE CIRCULATION PUMP 1. Unplug the pump and the unit from their electrical circuit. 2. Pinch the glycol lines to avoid any dumping. -
Page 7: Replace Motor Of Circulating Pump - Bef-04, Bef-05 & Bef-075
Service manual V1.0 4.3. R – BEF-04, BEF-05 & BEF-075 EPLACE MOTOR OF CIRCULATING PUMP Unplug the motor and the unit from their electrical circuit. Remove the pump mounting screw (1). Remove the motor mounting screws (4). Replace the defective motor pump and the damper coupling by new ones. Tighten the motor mounting screws (4). -
Page 8: Troubleshooting
Service manual V1.0 5. T ROUBLESHOOTING OBSERVATION CAUSE Check the output voltage on each Temperature controller or relay failure components (2) and replace the (temperature controller housing) defective part Relay, overload or start capacitor failure Replace relay and/or overload and/or (on the compressor) start capacitor Compressor doesn’t start... -
Page 9: Electrical Wiring Diagrams
LECTRICAL WIRING DIAGRAMS NEVER modify the electrical circuit of the unit. If required, ONLY use 14 AWG wire. Electrical repairs must be done by a professional electrician. 6.1. E BEF-02, BEF-04 & BEF-05 LECTRICAL DIAGRAM 6.2. E BEF-075 LECTRICAL DIAGRAM www.mcedsystems.com... -
Page 10: Replacement Parts List
W9AS5A52-120 Agitator pump SP-12 Motor (1/3 HP) 1003 Circulation pump MP000585 Foam pump jacket MP000499 Damper coupling KIT MP000448 BEF-02 Condensing unit AEA4440-YXAGK BEF-04 Condensing unit AE4450Y-AA1ADA BEF-05 Condensing unit AKA7437YXAXA BEF-075 Condensing unit AJA7455YAADS BEF-02 Relay K71-36 BEF-04 Relay...
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