Table of Contents
Advertisement
4.3.
SPECIFICATION
The MULTI-REG control is designed for continuous operation with the maximum rated current
load listed in table 1 at 40° C. ambient on single phase 230 Volts ~ 50Hz supply.
The normal equipment temperature range is -20°C to +40°C.
The unit meets the EMC requirements of EN 61800-3:1997 and EN61000-3:2006.
The MULTI-REG control is housed in an enclosure that is suitable for the current rating and is
IP56 rated.
10 Amp fuse, 20mm ceramic 10 Amp "F" TYPE
Note: - Fuses on the control board are for protection of the control wiring and
components in case of short circuit. They do not offer motor overload protection.
4.4.
INSTALLATION
Check that the number, size and the speed of the fans can be safely controlled by this controller.
Install in a dry sheltered position. Leave an air space of not less than 150mm around the
controller to allow cooling air to flow freely. Leave an additional gap in front of the control
enclosure lid to allow for access during installation/wiring/maintenance. Do not install in close
proximity to other heat sources. The maximum ambient temperature for the controller must not
exceed 40°C.
Remove the front cover of the controller by removing the cover fixing screws. This provides
access to the terminals and mounting holes that are under the lid.
The connections must be as shown in the applicable wiring diagram.
Should the current rating of the fuse in the controller exceed that of the wiring of the fan(s)
circuit(s), each fan should be protected independently. If individual protection for each fan is
being employed, then this should be situated in each common line only.
The controller is intended to control S&P ECOWATT EC fans only.
All cable entries provided should be used. Any left unused should be blanked and left in a safe
condition.
Pre-starting up checks – before starting up the fan, ensure that:-
The apparatus is well secured and that the electrical connections have been carried out correctly.
No loose material or fitting remains can be sucked up by the ventilator. If the ventilator has been
mounted in a duct, make sure it is clear of loose material.
The earth fittings are adequately connected.
The electrical safety devices are correctly connected, adequately adjusted and ready for use.
The control enclosure and electrical cable glands are correctly sealed and water-tight.
When starting up the product, ensure that:-
The impeller turns in the correct direction.
There are no abnormal vibrations.
If any of the electrical safety devices blow, the apparatus must be quickly disconnected from the
mains supply.
The whole installation should be carefully checked before trying to start-up the fan again.
Page 7 of 24
Advertisement
Table of Contents
