INTERLOCK INSTRUCTION MANUAL Kirk Key Interlock Company 211Wetmore Ave. S.E., Massillon, OH 44646 Phone: 330.833.8223 · Fax: 330.833.1528 Toll Free: 1.800.438.2442 www.kirkkey.com Table of Contents: Table of Contents: Type F FN, B, NT, T, U, FR ................................. , Type D, DM, DY ................................................ Transfer Panel.................................................... Type S and Type K Auxiliar y Switches................. Type TPS and Dust Covers................................. Key Control and Duplicate Keys....................... Service and Maintenance................................ Duplicate Key Release Form............................. Page 2 Page 3-5 Page 6 Page 7 Page 8 Page 9 Page10 Page11-12 Installation Instructions Proper installation of key interlocks is a critical element of a key interlock system. It is essential that each interlock be installed so that the lock bolt cannot be extended unless the equipment on which it is installed is in the proper position/condition. After installation of the interlocks, the complete interlock system should be tested sequentially by person(s) familiar with the entire system, the key routing, and its intended purpose. Any problems or discrepancies must be corrected prior to energization. Each interlock is supplied with a key in each cylinder. These keys are needed during installation of the interlocks. Once the complete interlock system is installed, all extra keys must be removed from the system and destroyed or retained by a responsible person. There should only be enough keys to operate the interlock system sequentially. Kirk Key Interlock Company will not be responsible for extra keys left in the interlock system. Key interlocks with multiple cylinders require the insertion of all keys before the lock bolt can be extended or withdrawn. Likewise, transfer blocks and transfer panels (which do not have exposed lock bolts) require insertion of all keys before the operating bolt can be extended or withdrawn allowing release of previously held keys. Do not try to force a multiple cylinder interlock that does not have the correct keys fully inserted in every cylinder! IB/B-T/06 PAGE 1 INTERLOCK INSTRUCTION MANUAL All KIRK Key Interlocks (Type F, FN, B, NT, T, U, FR) The key interlock should be mounted so that the 5/8" lock bolt can be extended to lock the device in the proper position. In the unlocked position, the lock bolt should be blocked from extending, thereby trapping the key(s) in the interlock. Type F Terminology Lock Body Lock Cylinder Type B Terminology Lock Body Lock Bolt Extended Key Released Lock Bolt Withdrawn Key Trapped Single Cylinder Interlock Key Removable Extended (E) Lock Cylinder Lock Bolt Lock Bolt Multiple cylinder interlocks can be designed to retain one or more keys while the remaining keys are withdrawn. Two Cylinder Interlock Keys Removable Extended (EE) E E E E E Three Cylinder Interlock Keys Removable (EEW) E W E E W Lock Bolt Extended Keys Released Lock Bolt Withdrawn Keys Trapped Lock Bolt Extended E Keys Released W Key Trapped Lock Bolt Withdrawn E Keys Trapped W Key Released Two Cylinder Interlock Keys Removable (EW) E W E W E Three Cylinder Interlock Keys Removable (EWW) W W E W W Lock Bolt Extended E Key Released W Key Trapped Lock Bolt Withdrawn E Key Trapped W Key Released Lock Bolt Extended E Key Released W Keys Trapped Lock Bolt Withdrawn E Key Trapped W Keys Released Key interlocks with multiple cylinders require the insertion of all keys before the lock bolt can be extended or withdrawn allowing release of the previously held keys. Do not try to force a multiple cylinder interlock that does not have the correct keys fully inserted in every cylinder. IB/B-T/06 PAGE 2 INTERLOCK INSTRUCTION MANUAL KIRK Door/Access Interlocks (Type D, Type DM, Type DY) Type D Door Interlock All Type D interlocks have two parts: a main body with one or more cylinders and a latch block. Proper alignment of both parts is crucial to the operation of a Type D interlock. When the main body is separated from the latch block, the lock bolt is retained in the withdrawn position by concealed latch pins. Thus the key(s) is always held in the lock whenever the two parts are separated. When the door on which the interlock is mounted is properly closed, the key(s) can be turned to extend the lock bolt into the latch block, securing the door. Only extending the lock bolt, after properly closing the door, should allow release of the key(s). An exception to this rule is a multiple cylinder Type D interlock which allows release of a "personnel" key when the door is opened. The personnel key can be put in the pocket of the maintenance person ensuring that the door cannot be closed and locked as long as he holds the personnel key. Type D Terminology Latch Block Lock Body The key is trapped in type D interlock when the door is open. Mounting Options for Type D Locks and Latch Blocks KIRK door interlocks should not be used to align the door, or be the latching means for holding the door in the closed position. Type DM or DY interlocks should be utilized in situations where the door and door-frame are ill-fitting, and a degree of latitude is required. IB/B-T/06 PAGE 3 INTERLOCK INSTRUCTION MANUAL Type DM Access Door Interlock All Type DM interlocks have two parts: a main body with one or two cylinders and a latch bolt with chain. When the latch bolt is separated from the main body, the key(s) is trapped in the lock. When the door on which the interlock is mounted is properly closed, the latch bolt can be inserted into the main body and the key can be turned and released. Weld or bolt the chain to the door or door-frame allowing enough slack to insert and turn the latch bolt in the Type DM lock body when the door is properly closed. DM Terminology and Operating Instructions Single Cylinder DM Instructions DM Terminology Latch Bolt Lock Body Insert Key With eyebolt facing outward, insert the latch bolt into the lock body. To Unlock To Lock Weld or Bolt Chain to Door Lock Cylinder Rotate key 90 degrees (clockwise). Grip eyebolt and rotate latch bolt upward. Grip eyebolt and rotate latch bolt downward. Access Door The latch bolt is now free from the lock body and the key is now trapped. Rotate key 90 degrees (counterclockwise) and remove from lock. Two Cylinder DM (EE) Instructions To Unlock To Lock To Unlock E Two Cylinder DM (with Personnel Key) (EW) Instructions To Lock W E W Insert Keys With eyebolt facing outward, insert the latch bolt into the lock body. Insert "E" Key E W Insert the "W" key. E W Rotate keys 90 degrees (clockwise). Grip eyebolt and rotate latch bolt upward. Grip eyebolt and rotate latch bolt downward. Rotate "E" key 90 degrees (clockwise). Grip eyebolt and rotate latch bolt upward. E W Rotate "W" key 90 degrees (clockwise). E W The latch bolt is now free from the lock body and the keys are trapped. Rotate keys 90 degrees (counterclockwise) and remove from lock. The latch bolt is now free from the lock body and the "E" key is trapped. E W Insert latch bolt and rotate downward to capture latch bolt in lock body. The "W" key is trapped. E W Rotate the "W" key 90 degrees (counterclockwise) and remove from the lock. Rotate "E" key 90 degrees (counterclockwise) and remove from the lock. The "E" keys can be turned and released when the latch bolt is latched and the "W" keys can be turned and released when the latch bolt is unlatched. IB/B-T/06 PAGE 4 INTERLOCK INSTRUCTION MANUAL Type DY Access Door Interlock All Type DY interlocks have two parts: a main body and a latch block-bolt eye. When the main body is separated from the latch block-bolt eye, the key is retained and cannot turn in the lock. Thus, the key is always held in the lock when the two parts are separated. Once the door or gate is closed and the latch block bolt-eye is engaged with the main body of the lock, the key can be turned and released. Side View - DY Interlock & Latch Block-Bolt Eye Latch Block-Bolt Eye Engaged with Lock Body. Door Locked Key Removed Latch Block-Bolt Eye Disengaged from Lock Body. Door Unlocked Key Trapped The latch block-bolt eye can be attached directly to the door jamb or fastened to a chain that is attached to the door frame as shown in the drawing below. DY Interlock bolted to angle bracket attached to fence or fence post. Fence Gate Latch Block-Bolt Eye bolted or welded to fence gate IB/B-T/06 PAGE 5 INTERLOCK INSTRUCTION MANUAL KIRK ® Key Transfer Panels A transfer panel is a group of primary and secondary locks involved in a transfer step. All primary keys must be inserted in the transfer panel and turned before any secondary keys can be released. Primary keys are generally related to power sources (such as breakers, T/R switches, level detectors, etc.) and secondary keys are related to access doors. In the normal operating position, all secondary keys are "trapped" in the transfer panel and all primary keys are "trapped" in upstream equipment. All upstream equipment must be locked safe in order to release the keys for insertion in the primary side of the transfer panel. The secondary keys are then released allowing access to equipment (such as hopper doors, manholes, access doors). Access doors must make use of key retaining interlocks, such as the Type D, DY or DM so that the secondary keys are , trapped at the access point until the access openings are properly closed. Two or more transfer scheme systems can be provided in one transfer panel enclosure however most enclosures are designed to house a single system. It is important that the installer understand the entire key interlock system(s) and the intended purpose. IB/B-T/06 SECONDARY PAGE 6 PRIMARY INTERLOCK INSTRUCTION MANUAL Wiring of Type S Auxiliary Switches Denoted by a " 3", " 4", " 5", or " 6" in column four of the interlock part number. (EX. KFL 3 00010S-CM) Auxiliary switches are an option for most styles of interlocks. Four different styles of slow-make, slow-break S switches are available as shown by the chart below. Type of Switch Number of Circuits Make Contacts Break Contacts Conduit Opening Length of Switch Housing Contact Arrangement: The Set of Contacts Nearest the Lock Bolt are Closed when the Lock Bolt is Extended and Open when the Lock Bolt is Withdrawn Type S 2 1 1 3/4" 3-1/2" Type SS 4 2 2 1" 5-3/4" Type SSS 6 3 3 1" 8-1/4" Type SSSS 8 4 4 1" 9-5/8" Instructions for wiring Type S switches: with Type SS Auxiliary Switch 1) Remove the cover. Lock Bolt 2) Run wires into the switch housing and terminate on appropriate terminals. Extended 3) Replace the switch cover. 4) T the wiring to verify that the circuitry corresponds to the proper lock bolt position. est Type F Interlock Type F Interlock with Type SS Auxiliary Switch Lock Bolt Withdrawn Wiring of Type K Auxiliary Switches Denoted by a "1" in column four of the interlock part number. (EX. KFL 1 00010S-CM) The Type K auxiliary switch is an option that is available for most styles of interlocks. The Type K is normally a DPDT quick-make, quick-break toggle switch. (Note: other styles of toggle switches are available by special , order) Contact Arrangement: Lock Bolt Extended Contacts Closed: 1-2, 4-5 Lock Bolt Withdrawn Contacts Closed: 2-3, 5-6 Instructions for wiring the Type K Switch: 1) Remove the cover. 2) Remove the toggle switch (three screws). 3) Run the wires into the switch housing and terminate on the appropriate terminals. 4) Reattach the toggle switch to the housing (three screws). 5) Replace the switch cover. 6) T the wiring to verify that the circuitry corresponds to the proper lock bolt position. est Note: The Type S and Type K Auxiliary switches cannot be added to existing interlocks in the field. IB/B-T/06 PAGE 7 2 5 1 4 3 DPDT T gle og Switch 6 INTERLOCK INSTRUCTION MANUAL Wiring of Type TPS (and TPSS) Interlock Switches The type TPS interlock is a key actuated switch designed for back-panel mounting. The TPS has two normally open and two normally closed contacts and the TPSS has four normally open and four normally closed contacts. The contact blocks are clearly marked with the status of the contacts. After wiring, the installer must test the wiring to verify that the circuitry corresponds to the key position (trapped vs. free). FRONT VIEW SIDE VIEW Dust Covers (Available Option) Two Styles of dust covers are available to protect the lock cylinder and key against moisture, dirt, and sleet. The Push On dust cover slips tightly over the lock cylinder when the key is in the held position or removed. The Push On dust cover is supplied with a chain and mounting ring, which is secured under the interlock mounting bolt head. The Flip Open dust cover is designed to provide protection to the lock cylinder and key regardless of the position of the key. The Flip Open dust cover is hinged and held closed with spring tension. A singl ...