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Honeywell Home THM5421R1021 User Manual

Honeywell Home THM5421R1021
48 pages
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Equipment Interface Module works with:
Prestige IAQ
VisionPRO 8000 with RedLINK
®
Wireless FocusPRO with RedLINK (not pictured below)
Equipment
Interface Module
THM5421R1021
Installation Guide
Read before installing
M39123
Equipment Interface Module
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Honeywell Home THM5421R1021 Specifications

General IconGeneral
StagesUp to 2 Heat / 2 Cool
InstallationWall-mounted
ApplicationResidential and commercial heating and cooling systems
Operating Humidity Range (%RH)5% to 90% RH
Operating Temperature Range (F)32 to 120°F
Operating Temperature Range (C)0 to 49°C
Power MethodBattery
Electrical Ratings24V AC
Power Supply24 VAC

Summary

Install Thermostat

Wiring Prestige/VisionPRO with RedLINK

Wiring instructions for Prestige/VisionPRO thermostats to the EIM terminals.

RedLINK FocusPRO Considerations

Notes on FocusPRO compatibility and terminal usage.

Install Equipment Interface Module

Mounting and Wire Stripping

Guidelines for mounting the EIM and preparing wires for connection.

EIM Spacing and Adapter Use

Requirements for spacing multiple EIMs and using wireless adapters.

Power RedLINK Accessories

Installing Batteries in Accessories

Instructions for powering wireless accessories by installing batteries.

Connecting the RedLINK Gateway

Steps for connecting the RedLINK Internet Gateway to the network and power.

Performing Initial Setup

System Setup Options

Defining installation type (residential/commercial, zoned/non-zoned).

Linking Thermostat to EIM

Process to establish wireless communication between thermostat and EIM.

Connected Light Status and Troubleshooting

Interpreting the EIM's connected light and resolving issues.

Connecting RedLINK Accessories

Steps to pair wireless accessories with the EIM.

Confirming Accessory Connection

Verifying successful pairing of RedLINK accessories.

Finishing Initial Configuration

Completing the thermostat and system setup process.

EIM Wiring Guide - Conventional Systems

Conventional System Wiring Diagram

Visual guide for wiring the EIM to conventional HVAC systems.

Wiring Notes for Conventional Systems

Specific instructions for sensors, jumpers, and adapters.

EIM Wiring Guide - Heat Pump Systems

Heat Pump System Wiring Diagram

Visual guide for wiring the EIM to heat pump HVAC systems.

Heat Pump Wiring Notes

Special instructions for heat pump wiring, sensors, and terminals.

EIM Wiring Guide - Geothermal Radiant Heat

Geothermal Radiant Heat Wiring Diagram

Wiring guide for geothermal radiant heat systems.

Geothermal Radiant Heat Notes

Specific requirements for geothermal systems, jumpers, and sensors.

Controlling Heating/Cooling with Universal Relays

Universal Relay Wiring

Using U1-U3 terminals for stages of heating/cooling.

Dry Contact Alerts Setup

Connecting dry contact devices for system alerts.

Wiring Humidification, Dehumidification, Ventilation

Humidifier/Ventilator/Dehumidifier Wiring

Connecting accessories for humidity control and ventilation.

Economizer Module Wiring - W7220

W7220 Economizer for Heat Pump

Wiring the W7220 module for heat pump systems.

W7220 Economizer for Conventional

Wiring the W7220 module for conventional systems.

Economizer Module Wiring - W7213/W7214/W7212

W7213/W7214 Economizer for Heat Pump

Wiring W7213/W7214 for heat pump systems.

W7212 Economizer for Conventional

Wiring W7212 for conventional heating systems.

Replacing the Equipment Interface Module

EIM Replacement Procedure

Steps to reset and reconnect RedLINK accessories after EIM replacement.

Product Specifications

System Compatibility and Ratings

Details on supported systems, temperature, and humidity.

Electrical Ratings by Terminal

Maximum current and voltage ratings for EIM terminals.

Accessories and Replacement Parts

Part Numbers List

Catalog of available accessories and their part numbers.

Regulatory Information

FCC Compliance and Warnings

FCC statements, warnings, and interference guidelines for US users.

RF Exposure Compliance

Equipment Interface Module/Thermostats RF Exposure

RF exposure compliance for EIMs and thermostats.

Portable Comfort Control RF Exposure

RF exposure compliance for the Portable Comfort Control.

RSS-GEN Regulatory Statements

Canadian regulatory statements for radio transmitters.

Safety and Disposal Precautions

Electrical, Equipment, and Mercury Hazards

Warnings regarding electrical shock, equipment damage, and mercury disposal.

Electronic Waste and Installation Safety

Guidelines for electronic waste disposal and technician installation.

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