b
b
Preparation for start-up
Preparations should be made, as described below, in the case of initial operation after installation and in the case of
restarting of operation after a long period of inactivity.
[1]
Thoroughly clean the inside of the pump and pipe. Then, supply liquid.
[2]
Tighten the flange connecting bolts and the installation bolts on the base.
[3]
After priming the pump, close the discharge valve fully.
Also, make sure the air-vent valve and flushing piping valve are closed.
[4]
Run the motor instantaneously to check for correct direction of motor rotation. The motor should run in the
direction indicated with the arrow on the nameplate of the pump. If the direction is reversed, exchange any two
wires of the three-phase power wires.
- 26 -
[10]
Sound generated by pump
The level of sound generated by each type of pump is shown in the table. Arrange muffling measures in
accordance with the sound level. The procedure for sound measurement conforms to the EN 31201
(ISO11201).
Model
Sound
Level
MDE32
MDE40
MDE50
Rated Speed
85
(dB)
85
85
2900 min
-1
80
80
80
1450 min
-1
