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Operating Instructions: Alfred Solenoid Controlled Guard Lock
Description
The Alfred Solenoid Controlled Guard Lock is a robust, heavy duty Solenoid
Controlled Guard Locking Device which can be used to lock and secure a machine
guarding application and/or provide an interlocking function to a machine.
A full Alfred Solenoid Controlled Guard Lock product can be configured from a
selection of Actuator Modules, Head Modules and can include up to three Key
Adaptors all mounted above an Ex rated Solenoid Module.
The Ex rated Solenoid Module at the base of an Alfred Solenoid Controlled Guard
Lock product contains dual safety circuits and a monitoring circuit which are linked
to the operation and function of the assembled Head Module and / or Key Adaptor
modules.
The Ex rated Solenoid Module is available in both Power-To-Unlock and Power-
To-Lock versions and with and without Safety Circuit monitoring on the Solenoid
locking or unlocking action. See Options and Ordering Information section for
details.
The Alfred Solenoid Controlled Guard Lock’s tough Stainless-Steel enclosures
and IP67 and IP69 sealing protection make it perfect for any heavy duty or regular
application.
As consistent with the rest of the Alfred product range, the Alfred Solenoid
Controlled Guard Lock is rated for use in Hazardous Locations and Explosive
Atmospheres (See ATEX, IECEx and HazLoc section below for full product ratings,
marking and detail).
Approvals and Certifications
Important:
This product is designed for use according to the installation and operating instructions enclosed. It must be installed
by competent and qualified personnel who have read and understood the whole of this document prior to commencing
installation. If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment
may be impaired. Any modification to or deviation from these instructions invalidates all warranties. Fortress Interlocks Ltd
accepts no liability whatsoever for any situation arising from misuse or misapplication of this product.
This product is not to be used as a Mains Isolator or Emergency Stop. The unit is a component to be added to a permanent
electrical installation meeting the requirements of the applicable IEC/EN standards. This product meets the requirements of
the standard IEC/ EN 61010-1:2001safety requirements for electrical equipment for measurement control and laboratory use
- Part 1 General Requirements.
The voltages used within the Alfred Ex Rated Solenoid Module circuits must all be of the same type. i.e. ALL Hazardous Live
or ALL Machine Extra Low Voltage. It is vitally important that the correct version of this unit is selected.
DO NOT LEAVE AUXILIARY RELEASE/ MANUAL OVERRIDE KEY IN PLACE! DO NOT REMOVE LID WITH OVERRIDE
KEY IN PLACE!
Always keep Manual Override Key in a secure place, under management control, as it allows access to areas that
may have a residual hazard and may result in incorrect operation of some devices.
BEWARE OF INTENTIONAL MISUSE CAUSED BY OPERATORS WANTING TO BYPASS SAFETY SYSTEMS. THE
INSTALLER SHOULD ASSESS THE RISKS AND MITIGATE AGAINST THEM.
IF YOU HAVE ANY QUESTIONS OR QUERIES OF ANY NATURE WHATSOEVER PLEASE CONTACT THE SUPPLIER
WHO WILL BE PLEASED TO ADVISE AND ASSIST.
APPROV
ALS PENDING