Honeywell VISTA-21iP Frequently Asked Questions

How Do I Wire a Door or Window Contact in Series?
Wire multiple door and window sensors together by connecting them in a series circuit. Let us show you the details of how this setup is wired and how it works.
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What Are The Programming Options For a Honeywell 6150RF?
The programming of a 6150RF allows you to configure it to work with your VISTA system. Follow this guide to learn the programming options and what they mean.
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How Do I Wire the LTEM-PA or LTEM-PV To Share Panel Power?
For the LTEM-PA / LTEM-PV to receive power from the panel, the LTEM-Px transformer must be replaced with a connection to the panel's auxiliary power. Learn to power the radio.
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How Do I Swap Out A Keypad on a VISTA-20P, VISTA-15P, or VISTA-21iPLTE?
​To replace a keypad, first check its address by holding down the 1 and 3 keys simultaneously. Note the address. Remove the old keypad, install the new keypad, and set the address.
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How Do I Change the Master Code for a VISTA-15P, 20P or 21iP Using the Honeywell Home Tuxedo?
By accessing Console Mode, you can change the Master Code for your VISTA. This is done in the same way as using an Alphanumeric Keypad. Learn to change your system's Master Code.
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What are the Best Ways to Prevent False Alarms?
A single mistake can result in a false alarm and a costly fine. You can prevent false alarms by following a set of practices. Learn how to prevent false security system alarms.
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How Do I Install the Resideo LTE-IA or LTE-IV On a VISTA-21iP?
When adding an external communicator to a Honeywell VISTA-21iP System, you must set the internal IP/GSM Jumper to the OFF position. Learn to install the LTE-IA and LTE-IV.
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How Do I Use the Chime By Zone Function for a Honeywell VISTA P-Series Panel?
Using the Chime By Zone function requires setting up a Zone List in *81 and then configuring the feature in *26. An Alpha Keypad is needed. Learn to use Chime By Zone on a VISTA.
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Does the Honeywell LTE-XA or LTE-XV Work On a Honeywell VISTA-21iP?
The Honeywell VISTA-21iP can support both the LTE-XA and the LTE-XV communicators once its internal IP communicator has been disabled. Learn about the LTE-XA and LTE-XV.
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What is the Difference Between Honeywell and ADEMCO?
Honeywell and ADEMCO both largely refer to the same equipment. ADEMCO was the original name for Honeywell, which later became Resideo. Learn about Honeywell and ADEMCO.
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