Operating Instructions: Alfred Solenoid Controlled Guard Lock
18
Alfred Solenoid Controlled Guard Lock Product with Power-to-Lock Ex Rated Solenoid Module
(EXP - - - XL471 and EXP - - - XL461)
Test 1
Insert and remove Actuator into Head Module and/or operate all Key Adaptors.
• The Actuator and/or Key Adaptors must not be mechanically trapped.
Note:
Sequence and operation of Key Adaptors varies depending on product selection and configuration.
Electrical Function Tests
Operate the Alfred Solenoid Controlled Guard Lock product by closing and opening the Guarded Area and / or operating all
Key Adaptors. Validate the safety circuits change state as expected, see Electrical Function descriptions and Wiring Diagrams
above for detail.
If the complete Alfred Product is used in a Machine Guarding application, ensure the Machine Guarding can only be opened
under the conditions outlined within the risk assessment. See ISO 13849-2 Safety of machinery — Safety-related parts of
control systems — Part 2: Validation for further guidance.
Service and Inspection
Regular inspection of the following is necessary to ensure trouble-free, lasting operation of the Alfred Solenoid Controlled
Guard Lock product:
• Correct operating function.
• Secure mounting of all components.
• Debris and wear.
• Sealing of cable entry.
• Loose cable terminals or plug connectors.
WD40 lubricant or equivalent, should be applied to each mechanical element of the Alfred Solenoid Controlled Guard Lock
product every 10,000 operations, or sooner, to ensure smooth product operation and function.
There are no user serviceable parts in the Alfred Solenoid Controlled Guard Lock product. If damage or wear is
found with an assembly, please contact your local Fortress Channel Partner.
The complete interlock must be replaced after 1 million switching operations.
Disposal
The Alfred Solenoid Controlled Guard Lock product does not contain any certified hazardous materials so should be disposed
of as industrial waste. Electrical items should not be disposed of in general waste and must be appropriately recycled.
Liability Coverage is Voided Under the Following Conditions:
• If these instructions are not followed.
• Non-compliance with safety regulations.
• Installation not performed by authorised personnel.
• Non-implementation of functional checks.
Protection Against Environmental Influences
A lasting and correct safety function requires that the Alfred Solenoid Controlled Guard Lock be protected against the ingress
of foreign bodies such as swarf, sand, blasting shot, etc.
The Solenoid Controlled Guard Lock is to be mounted away from the machine, or by the use of anti-vibration mountings, in
order to avoid the effects of vibration, shock and bump.
Use in Dusty Environments: Careful product selection is required, which is best performed under the guidance of a Fortress
Representative, in order to assess the dust type and product style required. It is normally accepted that the product performs
best in a dusty environment when mounted upside down.
Use in Corrosive Environments: Careful product selection is required, which is best performed under the guidance of a
Fortress Representative.
The manufacturer reserves the right to modify the design at any time and without notice.
This guide should be retained for future reference.
Fortress Interlocks Ltd
, 2 Inverclyde Drive, Wolverhampton, WV4 6FB, United Kingdom, Tel: +441902349000, Web: www.fortressinterlocks.com
November 2021 - v1.2
