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Operating Instructions: Interlock Blocking - 

A

L

PHA

Unique Safety Products | www.uniquesafetyproducts.com | [email protected] 

Tools and Fixings Required

• Minimum 2 x M8 screws for securing

 the ALPHA

.

• Minimum 1 M8 Screw for securing 

the ALPHA

-S Knob.

• Screws must be suitable length for a minimum of 10mm thread engagement.
• Screws must be security type to prevent unauthorised removal or tampering.
• Required torque setting; 40 Nm.
• 2 x M8 Nut / T-Nut / Threaded Hole for securing 

the ALPHA

.

• 1 x M8 Nut / T-Nut / Threaded Hole for securing 

ALPHA

-S Knob.

• Driver suitable for securing M8 screws.

Adhesive Threadlocker to secure mounting fixings from loosening due to vibration.

Mounting

1.

Locate the 

ALPHA

 so that it can correctly Block the Door or Gate with both the front mounted Paddle and rear mounted

 

Blocker plates. See Fig. 1 and Fig.2 for details.

2.

Secure the

 ALPHA

 using minimum 2 x M8 screws through the available mounting holes at the top and bottom of the

 

rear 

mounted mounting plate. Secure the 

ALPHA

-S Knob using 1 x M8 screws through the centre of the knob.

3.

Perform Mechanical Function tests before completing installation and commission. See Mechanical Function test section

 

for more details.

Mount the complete device only in the correctly assembled condition.

All mounting surfaces should be flat, stable and suitable of providing a minimum of 10mm M8 thread engagement or

 

sufficient support to either an M8 Nut or M8 T-Nut.

• The 

ALPHA

 device must be located so that scheduled inspection and maintenance procedures are all easily possible.

• The complete machine guarding installation must conform to all relevant design, construction and installation standards

 

and guidelines.

• Any gap around the perimeter of the machine and guarding when closed and locked (Safety Outputs High) must not

 

exceed the limits specified in ISO 13857 & ISO 14120.

All fixing screws used to mount the complete Device must be permanently prevented from removal. If mounting fixings

 

are 

visible, they must be secured against removal by personnel using standard tools, manipulation and un-authorised or

 

un-

identifiable removal. If mounting fixings are not visible or hidden, they must be secured against removal or loosening

 

due 

to vibration. In both cases, a middle strength adhesive threadlocker is required.

• The complete Device must not be used as a mechanical stop. Where applicable, precautions must be made to ensure the

 

door or gate of any guarded area has sufficient support and stops to prevent the impact on the Device.

Note: that it is not possible for a left-hand facing 

ALPHA-

2H device to be reconfigured or re-assembled as a right-hand 

facing

 

ALPHA-

4H device. If alternative handing and orientation is required, please contact 

Unique Safety Products

Note

: For

 ALPHA-

S the device is the same for left and right hand just rotate the device 180 degrees

Mechanical Function Test Instructions

Test 1
1.

Remove the locking mechanism of existing Door lock or Interlock product if fitted.

2.

Open the Door or Gate.

It must not be possible to fully open the Door or Gate until the Personnel Key has been rotated and removed.

Test 2
1.

Fully open the Door or Gate open and remove the Personnel Key.

2.

Close the Door or Gate.

It must not be possible to fully close the Door or gate until the Personnel Key has been re-inserted and rotated.

It must not be possible for the existing Door lock or Interlock (if fitted) to re-engage until the Personnel Key has been

re-inserted and rotated.

It must not be possible for a machine restart signal to be generated (such as via an additional Door lock or Interlock)

until the Personnel Key has been reinserted and rotated.

Summary of Contents for ALPHA-H

Page 1: ...ALPHA cannot be used in conjunction with an Interlock that includes an Escape Release or Internal facing handle Important The ALPHA Interlock Blocking Device is designed for use according to the inst...

Page 2: ...When extended the Blocker plate prevents the Door or Gate from being re closed and locked before the Personnel Key has been reinserted and rotated Padlocks can be added to the Blocker plate for additi...

Page 3: ...R PLATE ENGAGED AND PREVENTING DOOR FROM CLOSING PADDLE PLATE ENGAGED AND PREVENTING DOOR FROM OPENING FULLY FORTRESS www fortressinterlocks com THE COPYRIGHT OF THIS DRAWING BELONGS TO FORTRESS INTER...

Page 4: ...LE 1 00 SHEET 1 OF 3 ORIGINAL SIZE DATE 18 05 21 ISSUE 0 A INTERLOCK BLOCKING DEVICE FOR SLIDING DOORS DWG NO SD 00030 DOOR CLOSED STATE DOOR OPEN STATE DOOR ENTRANCE THIS SIDE OF DEVICE HOOK PLATE EN...

Page 5: ...m THE COPYRIGHT OF THIS DRAWING BELONGS TO FORTRESS INTERLOCKS Ltd THE CONTENT OF THIS DRAWING IS CONFIDENTIAL AND MUST NOT BE DISCLOSED TO ANY 3rd PARTY WITHOUT SPECIFIC WRITTEN APPROVAL ALL DIMENSIO...

Page 6: ...chine and guarding when closed and locked Safety Outputs High must not exceed the limits specified in ISO 13857 ISO 14120 All fixing screws used to mount the complete Device must be permanently preven...

Page 7: ...ility Coverage is Voided Under the Following Conditions If these instructions are not followed Non compliance with safety regulations Installation and electrical connection not performed by authorised...

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