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We were able to obtain all our system parts within a week of receipt of order, and we scheduled the installation day. We knew that the client needed to be able to physically lock this door at the end of each day, so we would need to finish up whatever work we started on a particular day so that the door could be secured.
When we arrived to do the installation, an immediate “sea change” was required because since our last visit, the door closer on the subject door had quit working properly, and the door was slamming dangerously every time it was opened.
Examining the concealed door closer revealed that it was a Jackson, and it had been manufactured in 1984. This indicated to us that portions of the old system were probably 21 years old as well, and that the door closer certainly had held up for a long time.
The time it took for us to remove the defective door closer, go back to the shop to obtain the replacement Jackson closer and install it in the 12-degree Fahrenheit winter morning put us behind schedule, and being able to complete the project by the end of the day became a concern. The Jackson was a concealed-type closer, so the entire replacement process involved working off a ladder with the door open the entire time, and the frigid air and ice-cold aluminum took its toll on us.
Although the door had an existing deadlatch installed, it was too high on the door for code so it was going to be necessary to mortise in the deadlatch supplied with the Adams-Rite # 8421M.
We had already performed some preliminary pre-wiring during the week before the parts had been delivered. This involved removing the old readers and REX station in the lobby, removing the old hardware off the door (except the latch, lever and mortise cylinder), powering down and removing all the old power supplies and controllers from the second floor electrical closet and toning out wiring from the second floor to the lobby and the door loop we would be using for the new installation.
This involved isolating and identifying a pair for power between the second floor and the lobby, then checking for shorts between each conductor and between each conductor and ground. A pair of wires had to be brought around the door from where the electrified trim was to be installed to the hinge edge of the door near where the armored door loop was located. We drilled a ¾-inch hole in the edge of the door to facilitate wiring. This hole will be later covered with a plastic chassis plug.
We would also be connecting the pair from the optional monitor switch we were going to install in the #8421M. This switch would provide a REX signal to the CT-1000. Although the #8421M opens manually by depressing the bar when egressing and a REX was not required to enable egress, the signal from the exit device would suppress forced door messages in the CT-1000 activity reports which would otherwise occur if the door were opened without a REX signal. If the client later decided to monitor the door using the CT-1000 auxiliary alarm relay output, the proper switches would be there and no further upgrade of the exit device or system would be required.
We were planning to install the new iButton reader at the same place where the old Weigand reader had been, but it was necessary to prep the brick wall for the reader faceplate and to remove the old Weigand reader cable and install the special cable supplied with the TR-81 iButton reader.
TR-81 iBUTTON® READER
The TR-81 iButton reader is a machined stainless steel single gang plate with an iButton port and LED indicator. The Schlage iButton® utilizes the Dallas Chip, an indestructible, highly secure and versatile device. The iButton is a computer chip enclosed in a 16mm stainless steel can.
All iButtons use their stainless steel can for their electronic communications interface. Each can has a data contact which is called the lid and a ground contact which is called the base. Each of these contacts is connected to the silicon chip inside. The lid is the top of the can and the base forms the sides and the bottom of the can.
As a company grows, the Schlage CM locks and LockLink Express software meet its needs.
The most challenging part of designing and selling access controls systems is custom fitting systems to each client’s precise requirements.