MCED systems BEF-02, BEF-04, BEF-05, BEF-075 Service Manual
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
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Service manual V1.0
CONTENTS
1. Specifications ............................................................................................................................................... 3
2. Handling and installation .............................................................................................................................. 4
2.1. Placement ............................................................................................................................................. 4
2.2. BEF-02 installation ................................................................................................................................ 4
2.3. BEF-04, BEF-05 and BEF-075 installation ............................................................................................ 5
2.4. Adjusting the temperature controller ...................................................................................................... 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. Replace temperature controller ............................................................................................................. 7
4.5. Replace temperature controller relay..................................................................................................... 7
5. Troubleshooting ........................................................................................................................................... 8
6. Electrical wiring diagrams ............................................................................................................................. 9
6.1. Electrical diagram BEF-02, BEF-04 & BEF-05 ...................................................................................... 9
6.2. Electrical diagram BEF-075 ................................................................................................................... 9
7. Replacement parts list ................................................................................................................................ 10
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Service manual V1.0
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. @ 80oF)
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
1. SPECIFICATIONS
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