EBARA MR, Use And Maintenance Manual

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EN
CONTENT
1. GENERAL ..................................................................................................................................................................7
1.1 INTENDED USE ...............................................................................................................................................7
1.2 TECHNICAL DATA ...........................................................................................................................................7
1.2.1 IDENTIFICATION CODE ..................................................................................................................................7
1.2.2 TECHNICAL SPECIFICATIONS OF THE PUMP .............................................................................................7
1.2.3 TYPES OF FLUIDS ..........................................................................................................................................8
2. PYCTOGRAMS..........................................................................................................................................................8
2.1 HAZARD SYMBOLS ........................................................................................................................................8
2.2 STAFF QUALIFICATION ..................................................................................................................................8
2.3 FAILURE TO COMPLY WITH SAFETY INSTRUCTIONS ................................................................................8
2.4 SAFETY INSTRUCTIONS FOR THE USER ....................................................................................................8
2.5 CHECK AND INSTALLATION...........................................................................................................................8
2.6 REPLACEMENT AND SPARE PARTS .............................................................................................................8
2.7 UNINTENDED USE ..........................................................................................................................................8
3. TRANSPORT AND STORAGE .................................................................................................................................8
4. PRODUCT DESCRIPTION ........................................................................................................................................8
4.1 PUMP DESCRIPTION ......................................................................................................................................8
5. ASSEMBLY ................................................................................................................................................................9
5.1 PUMP ASSEMBLY ...........................................................................................................................................9
5.1.1 ISOLATING THE PUMP FROM COOLING DEVICES / AIR CONDITIONING SYSTEMS ...............................9
5.2 WIRING ............................................................................................................................................................9
5.2.1 CONNECTION TO THE MAINS .....................................................................................................................10
6. PUMP START-UP ....................................................................................................................................................10
6.1 FILLIG AND AIR REMOVAL ...........................................................................................................................10
6.2 PUMP SPEED ADJUSTMENT .......................................................................................................................10
7. MAINTENANCE / MAINTENANCE WORKS ..........................................................................................................11
8. TROUBLESHOOTING .............................................................................................................................................11
9. DECLARATION OF CONFORMITY ........................................................................................................................11
1. GENERAL
1.1 INTENDED USE
The pumps of MR F series is used for conveying fluids in heating, cooling, air conditioning and ventilation systems.
1.2 TECHNICAL DATA
1.2.1 IDENTIFICATION CODE
1.2.2 PUMP ELECTRICAL SPECIFICATIONS
- ingress protection rating IP 44
- insulation class H
- the motor is protected in series with Klixon
- sound pressure level <70 dB(A)
- fluid temperature from -10°C to +120°C.
- maximum ambient temperature 40°C
- maximum allowed pressure within the system is 1 MPa (10 bar).
MR (B) (D) 40 120
Model
Pump body in bronze
Twin impeller pump
Nominal diameter of the pump
Maximum Pressure (in dm)
Manuale_MR B 7 lingue.indd 7 21/07/14 17.57