MCED systems BEF-02 Service Manual Download | Manualshive

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Service manual V1.0

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of 10

www.mcedsystems.com

SERVICE MANUAL

GLYCOL

CHILLERS

BEF-02

BEF-04

BEF-05

BEF-075

Version 1.0 Release June 2017

– All rights reserved

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Summary of Contents for BEF-02

Page 1: ...Service manual V1 0 Page 1 of 10 www mcedsystems com SERVICE MANUAL GLYCOL CHILLERS BEF 02 BEF 04 BEF 05 BEF 075 Version 1 0 Release June 2017 All rights reserved...

Page 2: ...troller 5 3 Maintenance 6 4 Servicing 6 4 1 Replace circulation pump BEF 02 6 4 2 Replace circulation pump BEF 04 BEF 05 BEF 075 6 4 3 Replace motor of circulating pump BEF 04 BEF 05 BEF 075 7 4 4 Rep...

Page 3: ...NEMA 5 15P NEMA 5 15P NEMA 5 15P NEMA 5 15P Amps Running 7 0 12 14 16 17 19 21 Refrigerant R134a R134a R134a R134a Refrigerant capacity oz 9 0 17 0 11 0 18 0 Normal refrigeration operating pressure PS...

Page 4: ...cing Ambient temperature ranges from 60 F to 85 F for all models Make sure the unit is installed in a properly ventilated area Unit must be connected to a ground fault circuit breaker Power pack and p...

Page 5: ...each pump 5 Fill the reservoir with propylene glycol solution mixed 2 parts water to 1 part glycol 6 Place back the upper deck on the unit 7 Plug the unit and the pump to an appropriate electrical cir...

Page 6: ...ectrical circuit 2 Pinch the glycol lines to avoid any dumping 3 Disconnect the glycol line from the pump 4 Remove the pump mounting screws 4 5 Replace the defective circulation pump by a new one 6 Ti...

Page 7: ...ire connectors using a small slotted screwdriver 3 Slide off the plastic retainer by applying pressure with a small screw driver on each side Pull out the temperature controller of the housing 4 Conne...

Page 8: ...tallic part Refrigerant leak Perform a leak test and repair the leak Vacuum flush the refrigerant and fill with proper quantity Has to be performed by a certified refrigeration expert Dirty condenser...

Page 9: ...om 6 ELECTRICAL 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 ELECTRICAL DIAGRAM BE...

Page 10: ...KA7437YXAXA X BEF 075 Condensing unit AJA7455YAADS X BEF 02 Relay K71 36 X BEF 04 Relay K71 41 X BEF 05 Relay K71 02 X BEF 075 Relay K71 13 X BEF 02 Start capacitor K146 55 X BEF 04 Start capacitor K1...

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