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Sample Wiring
Diagram
Fire Service Panels
We're not going to sugar coat it. Fire Service Overlays either install
relatively easy or become a nightmare that can last weeks. This
directly relates to how good the existing wiring diagrams are and
whether or not the controller has been rewired over the years. We're
all obviously trying to save our customers money, and if you're
confident that the wiring diagrams you have are pretty accurate, we
can provide a price for your overlay after we've reviewed your
wiring diagrams.
Using PLC logic we build a control system with fire service
features so that you can integrate the fire service panel into your
non code compliant elevator system. Depending on the type of
control, manufacturer, and operating voltage, all fire service panels
can be designed and programmed to meet the local code where
they are to be installed. Working from the existing controller
wiring diagram each new fire service overlay is built for ease of
connecting the two. Complete wiring diagrams and cross
connection sheets are provided.
In addition to the fire service panels, the car and hall fixtures
necessary to make the system operable are available. A standard
CJA fire service key switch is used for the car and hall fixtures.
However, the customer's switches can easily be substituted. Fire
Fighters instructions, "In Case of Fire....," etc. can be engraved on
the fixtures if requested.
In the process of designing the fire service panel, requirements
which may not be in the present control system can be included at
little or no additional cost. Of particular note are ADA
requirements such as passing buzzers, directional and arrival
indicators and chimes. Buzzers, chimes, etc. can also be
incorporated into the fire service fixtures. While installing fire
service, the contractor can bring his customer's elevator into ADA
compliance.