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Alarm.com Smart Thermostat HQ (ADC-T40K-HQ) - Data Sheet

Overview

The Smart Thermostat HQ expands the award-winning Smart Thermostat HD with a powerful built-in Hub that seamlessly controls other smart home devices. With no need to install a separate Hub, the Smart Thermostat HQ simplifies installations, reduces costs, and uses less space in the home.

The Smart Thermostat HQ offers a dedicated cellular connection and broadband backup to ensure reliable performance and supports SmartStart so devices can be quickly and easily added to the smart home.

T40 HQ

In the box

  • ADC-T40 thermostat
  • ADC-T40-HQ touchscreen display
  • Drywall anchors and screws (x2)
  • Trim plate

Features

  • Smart home controller
  • Setup wizard
  • Touchscreen display
  • Wire detection and auto-configuration
  • Humidity control
  • Ventilation control
  • Cellular and Wi-Fi connection
  • Z-Wave SmartStart and S2 compatible
  • Display Sync for separated thermostat installation
  • Full integration with the Alarm.com platform

Terminal guide

Terminal Description
RC Cooling Power
RH Heating Power
W2 Heat/Aux Stage 2
W Heat/Aux Stage 1
C Common wire from transformer
Z1 Configurable: W3, Humidifier, Dehumidifier, Vent
Z2 Configurable: W3, Humidifier, Dehumidifier, Vent
Y Cool/Pump Stage 1
Y2 Cool/Pump Stage 2
G Fan
O Heat Pump Reversing Valve (Energized in COOL mode)
B Heat Pump Reversing Valve (Energized in HEAT mode)

Specifications

Power 24 VAC
Dimensions (H x W x D) 4.7 x 4.7 x 1.07’’ (12 x 12 x 2.72 cm)
Operating Temperature 41°F to 95°F (5°C to 35°C)
Cellular Carrier Options Verizon and AT&T
Optional Wi-Fi Yes
Communication Z-Wave

Compatible systems

Near universal 24 V compatibility Yes
Humidifier/Dehumidifier Yes
Forced air Yes
Heat pump Yes
Heat Up to 3 stages
Cool Up to 2 stages
Dual fuel Yes
Ventilation control HRV, ERV, external air baffle
Dual Power Supply Systems Yes

 

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