background image

 

Service manual V1.0 

 

Page 

3

 of 10

 

 

     www.mcedsystems.com

 

 

1.

 

 

S

PECIFICATIONS

 

 

 

 

SPECIFICATIONS 

 

Model 

BEF-02 

BEF-04 

– 1 pump 

BEF-05 

– 1 pump 

BEF-075 

– 1 pump 

BEF-04 - 2 pumps 

BEF-05 - 2 pumps 

BEF-075 - 2 pumps 

Cooling distance (ft.) 

75 

150 

225

 

350

 

Pump flow(GPH)

 

250  head pressure 0’ 
60  head pressure 26’

 

50

 

50

 

50

 

Compressor power (HP)

 

1/3

 

1/2

 

1/2

 

3/4

 

Voltage (V) 

120

 

120

 

120

 

120

 

Plug type

 

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 (PSI)

 

18 (low)

 

135 (high)

 

18 (low)

 

135 (high)

 

18 (low)

 

135 (high)

 

18 (low)

 

150 (high)

 

BTUs/H (evap. @ 80

o

F) 

2560 

3282 

4080 

6138 

Dimensions W x D x H  

(including pump and motor) 

16.5" x 20" x 20" 

20.75" x 23.5" x 27.5" 

20.75" x 23.5" x 27.5" 

20.5" x 23.5" x 29" 

27,25" x 23.5" x 27.5" 

27,25" x 23.5" x 27.5" 

20.25" x 23.5" x 29" 

Weight (lbs.) 

61

 

107

 

118

 

135

 

122 

133 

150 

Water bath capacity (US gal) 

4.5

 

17

 

17

 

17

 

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...

Reviews: