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    Qolsys IQ Tilt — Garage Door Tilt Sensor Quick Install Guide

    September 08, 2026 2 min read

    Quick install guide for the Qolsys IQ Tilt wireless garage door tilt sensor, including specifications and panel programming.

    💾 Download Original PDF 🛒 View Product
    Full text manual (for reference)

    Quick install guide for the Qolsys IQ Tilt (model QS1131840 / QS1121-840) — a wireless garage door tilt sensor for the Qolsys IQ security panel.

    Overview

    The IQ Tilt tells you whether an overhead garage door is open or closed. The sensor houses a cylinder with a metal bearing inside. When the sensor tilts, the bearing rolls down the cylinder away from the metal contacts, disconnecting a circuit and sending a signal to the panel indicating the garage has been opened.

    Note: improper orientation and/or placement of the bearing cylinder may result in false alarms or incorrect signals.

    Specifications

    Spec Value
    Sensor Size 2.5"H x 1"W x 0.5"D
    Wireless Signal Range 600ft (200m), open air
    Code Outputs Tamper, tamper restore, alarm, alarm restore, low battery
    Transmitter Frequency 319.5 MHz
    Supervisory Keep-Alive Interval 70 minutes
    RF Peak Field Strength Typical 36000 µV/m at 3m
    Operating Temperature -10°C to 50°C
    Storage Temperature -40°C to 80°C
    Relative Humidity 5–95%, non-condensing
    Battery 2x 3V Lithium CR2032 (Panasonic, Energizer, or Duracell DL2032). Replace with exact type every 5 years.

    Installation Steps

    1. Remove battery tabs from the sensor.
    2. Apply adhesive to mount the sensor.
    3. Set tube orientation: the internal cylinder should be angled inside the sensor housing as illustrated on the device (this affects proper bearing operation).
    4. Choose installation location: mount on the top panel of the garage door.
    5. Sensor placement: mount the sensor horizontally with the arrow facing DOWN. The arrow on the side of the sensor must face down for correct operation.
    6. Learn into panel:
      1. Place the security panel into "autolearn" mode.
      2. Open and close the sensor case to "tamper" the device, triggering it to transmit its ID to the panel.
      3. Customize the sensor's name and settings on the panel as desired, then touch "ADD."

    This is a quick guide for experienced installers only — refer to dealers.qolsys.com (login required) for the full installation manual.

    Regulatory

    FCC ID: 2ABBZ-RF-MDWS  |  IC: 11817A-RFMDWS

    This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

    This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the condition that this device does not cause interference and must accept any interference received, including interference that may cause undesired operation.

    Manufacturer: Qolsys Inc. Document# IQTILT-QG-02-17, Revision 2/24/17, Issue Date FEB 2017, Product # QS1121-840. Tech Support: TechSupport@Qolsys.com