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HG-1 Left Hand: (A) Standard Heavy Duty |
For Use With a Stationary Cam (right hand model pictured)
These are electrical/mechanical contact switches intended for use with single sliding vertical rise elevator hoistway doors. They are wired in series with all the other door switches in the hoistway and the electrical control circuit of the elevator so as to produce an overall electrical safety loop. In addition to this circuit closing system, there is a mechanical latch which locks the door in the closed position when the car has started to leave the floor.
The HG-1 interlock has a single contact and is used with a stationary cam. The HG-2 has two contacts and is used with a retiring cam. The CV Series has the same contact arrangement but the CV locks are used with large vertical bi-parting doors, not single sliding vertical rise doors.
These are made for either right-hand or left-hand mounting interlocks. The hand is determined by standing inside the elevator looking out. The side on which the lock is to be mounted (left or right) is the hand to be ordered.
Description
These locks consist of an adapter plate to be mounted to the door frame inside the hoistway. The adapter plate is screwed to the switch housing. This housing includes the contact making assembly, shafts and cam. At the top of the housing is a roller arm shaft with an adjustable roller arm. A conduit connection hole in the bottom of the housing is for wiring to the contact terminals. A cover is provided for the housing.
Operation
When the elevator stops at the landing, the cam (stationary or retiring) on the elevator strikes the interlock roller arm, opening the lock. The hoistway door then slides vertically upward and the locking bar mounted on the door mechanically opens the contacts. When the door is closed the locking bar descends, closing the contacts.
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HG-1 Left Hand: (C) Water Resistant/Dust Tight |
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HG-1 Left Hand: (E) Explosion Proof: C1, D2 |
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HG-1 Right Hand: (B) Standard Heavy Duty |
(pictured in photograph)
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HG-1 Right Hand: (D) Water Resistant/Dust Tight |
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HG-1 Right Hand: (F) Explosion Proof: C1, D2 |
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HG-2 Left Hand: (A) Standard Heavy Duty |
For Use With a Retiring Cam - (right hand model pictured)
These are electrical/mechanical contact switches intended for use with single sliding vertical rise elevator hoistway doors. They are wired in series with all the other door switches in the hoistway and the electrical control circuit of the elevator so as to produce an overall electrical safety loop. In addition to this circuit closing system, there is a mechanical latch which locks the door in the closed position when the car has started to leave the floor.
The HG-1 interlock has a single contact and is used with a stationary cam. The HG-2 has two contacts and is used with a retiring cam. The CV Series has the same contact arrangement but the CV locks are used with large vertical bi-parting doors, not single sliding vertical rise doors.
These are made for either right-hand or left-hand mounting interlocks. The hand is determined by standing inside the elevator looking out. The side on which the lock is to be mounted (left or right) is the hand to be ordered.
Description
These locks consist of an adapter plate to be mounted to the door frame inside the hoistway. The adapter plate is screwed to the switch housing. This housing includes the contact making assembly, shafts and cam. At the top of the housing is a roller arm shaft with an adjustable roller arm.
A conduit connection hole in the bottom of the housing is for wiring to the contact terminals. A cover is provided for the housing.
Operation
When the elevator stops at the landing, the cam (stationary or retiring) on the elevator strikes the interlock roller arm, opening the lock. The hoistway door then slides vertically upward and the locking bar mounted on the door mechanically opens the contacts. When the door is closed the locking bar descends, closing the contacts.
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HG-2 Left Hand: (C) Water Resistant/Dust Tight |
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HG-2 Left Hand: (E) Explosion Proof: C1, D2 |
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HG-2 Right Hand: (B) Standard Heavy Duty |
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HG-2 Right Hand: (D) Water Resistant/Dust Tight |
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HG-2 Right Hand: (F) Explosion Proof: C1, D2 |
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Tamper Proof Attachment Kit - For CV, HG Series |
This attachment is used with CJA freight door interlocks; CV-1, CV-2, HG-1 and HG-2 to prevent intentional tampering. For example, when the elevator door is in the raised position it is possible to physically close the interlock cam and contacts allowing the elevator to run with the doors open. The C-1 tamper proof attachment prevents intentional, physical closing of the interlock cam and contacts.
The C-1 tamper proof attachment consists of a cast iron “plug” which is affixed to the interlock, a rod with an offset, and rod guides for attaching the rod to the door. The “plug” is attached on the interlock opposite and parallel to the interlock cam. It rests on the straight section of the rod when the door is open holding the interlock cam and contacts in the open position. When the door is actually closed the “plug” drops into the offset of the rod permitting the interlock cam to close making the contacts.
The tamper proof attachment may be ordered with the interlocks or as a field conversion kit for existing installations.
Note: Each C-1 Kit is furnished with standard 72” rod for field modifications. If longer rods are required please call.
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