Install Your New Honeywell Vista 20P In Four Steps

Wire the Vista 20P Control Panel and Peripherals

Initial Power Up

System Programming

Wireless Device Programming
Vista 20P Control Panel and Peripheral Wiring

There are 25 terminals on the Vista 20P board, it sounds like a lot, but it's really very simple. We'll begin with the transformer connection on terminals 1 and 2, then progress on to describe each connection. Make sure not to plug in the transformer until all other connections are complete.
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There are 25 terminals on the Vista 20 P board, each will be discussed in the following pages.
The transformer converts your 110 VAC outlet voltage into a safe, 16.5 VAC power source for the control panel.
The transformer takes your 110 VAC outlet voltage and converts it into a low-voltage 16.5 VAC power source for the control panel. It's AC in, and AC out, so polarity is not a concern when wiring, either terminal of the transfomer can be wired to either terminal of the control.
Honeywell Transformer

The Vista 20P uses a 16.5 Volt 25 VA transformer. It has a fuse in it's secondary that can easily be blown, the fuse can't be replaced, so you may someday need a replacement transformer. This transformer is a direct replacement for your Vista 10, Vista 15P, and Vista 20P system.
Next Step: Siren Installation
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