Cromwell MB30.110V User manual

MB30/50
product manual
MB50 & MB30
230v 13A plug - 110v 16A plug
SHEET 1 OF 7

Failure to follow these instructions may result in risk of •
personal injury or damage to the equipment.
Damage due to a failure to follow these instructions will •
invalidate the warranty.
The appliance must be serviced by qualified engineers in compliance •
with local regulations.
The appliance must be switched off and disconnected from •
the power supply before any work is carried out.
There are no user controls inside the appliance casing. •
Do not cover the appliance. •
Do not use in the vacinity of a pool, bath or shower. •
An air gap of at least 300mm should be allowed at the rear of •
the unit to ensure a clear airflow. Do not site the unit close to
soft fabrics or combustible materials. Do not obstruct the outlet grill.
This is a stationary appliance and should not be moved whilst •
connected to the power supply.
Do not disconnect the appliance from the supply under load. •
For internal use only. Do not use out of doors. •
Extension cables should be correctly rated for the load,fully •
unwound and never run through water or over sharp edges.
This is a class 1 product and requires an Earth connection. •
Use of a 30mA RCD is recommended. •
110v Transformers must be
Continuously Rated
. •
Do not use these fans with ducting. •
These instructions should be read by:
The specifying engineer.
The installation engineer.
The user.
The service engineer.
WARNINGS
SHEET 2 OF 7

Standards applied:
EN 60335-1:2012+A2:2019
EN 60335-2-80:A2:2009
EN 55014-1:2017
EN 55014-2:2015
EN 61000-3-2:2019
EN 61000-3-3:2008
EN 12100:2010
Product description:
The MB30/50 is a single phase industrial electric fan. It is supplied as a 230v or
110v machine.
The 230v appliance should be connected to a 13A 50Hz power supply and comes fitted
with the appropriate UK power lead.
The 110v appliance should be connected to a 16A 110v 50Hz power supply and comes
fitted with the appropriate power lead.
The MB30/50 comes with a high quality rotor fan motor.
The MB30/50 comes fitted with a variable fan speed controller as standard.
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Speed control knob
Rocker switch
Setup and operation:
To start:
Site the appliance on a firm level surface. •
Connect to the appropriate power supply. •
Please note! The control panel is situated at the front and top of the appliance. •
Set the rocker switch to I for full speed operation. •
Set the rocker switch to II for variable speed operation. •
When on setting II rotate the speed control knob to vary the speed of the fan. •
Clockwise to increase the speed. Counter clockwise to decrease the speed. •
To stop:
Set the rocker switch to 0. •
Allow the fan motor to stop and diconnect from the power supply. •
Do not move the appliance whilst it is operating!
To adjust the angle of airflow:
Loosen the hand wheels on both sides of the stand. •
Set the fan body to the desired angle. •
Tighten the hand wheels on both sides of the stand. •
I- Full speed
0- Off
II- Variable speed
MB30/50 Control panel:
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1
2
3
4
5
6
Exploded drawing:
7
8
9
10
11
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Spare parts:
Maintenance:
Fan motors and switch gear are not customer serviceable parts.
General maintenance should include:
Power lead. Check for signs of damage and replace if necessary. •
Air intake and outlet grills. Ensure grills are free from accumulated debris. Clear •
with compressed air if required.
Fixings. Check all fixings are present and secure. •
Fault finding:
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Wiring diagram.
(All models).
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