User Manuals: Honeywell Home THX9421R5021WG Thermostat

Manuals and User Guides for Honeywell Home THX9421R5021WG Thermostat. We have 1 Honeywell Home THX9421R5021WG Thermostat manual available for free PDF download: Manual

Honeywell Home THX9421R5021WG Manual

Honeywell Home THX9421R5021WG Manual (160 pages)

Brand: Honeywell Home | Category: Thermostat | Size: 11 MB

Table of Contents

Application

1
Features

1
- Table of Contents
  2
Specifications

3
System Installation

8
- When Installing this Product
  8
- Finding Your Password (Date Code)
  8
Installation Options

9
Power Optional REDLINK™ Accessories

14
Performing Initial Setup

15
Installer Tests

65
Mounting Optional Accessories

67
Operation

69
Outputs (U1, U2, U3)

83
Inputs (S1, S2, S3, S4)

84
Alerts and Diagnostics

84
- Delta T Diagnostics
  84
- Before You Set up Delta T Diagnostics
  84
- Setting up Alerts and Diagnostics
  85
- Delta T Alerts
  88
- Delta T Alerts and Utility Saver Switches
  89
- Data Logs
  89
- Dry Contact Alerts
  93
- Set up the Dry Contact Alerts
  94
- Staging Control
  95
Heat Pump and Backup Heat Operation

98
- Heat Pump with Outdoor Temperature Lockouts
  98
- Geothermal Radiant Heat
  99
Indoor Air Quality (IAQ) Control

100
- Humidification
  100
- Dehumidification - Residential
  103
- Dehumidification - Commercial
  108
- Ventilation
  112
IAQ Reminders

116
Customizable Reminders

117
USB Port

119
- Loading Dealer Information
  120
- Updating Thermostat Software (Prestige IAQ Only)
  120
Commercial Features

120
- Overriding Schedules: Commercial Use
  121
- Setting Holiday/Event Schedules: Commercial Use
  121
- Setting Custom Events: Commercial Use
  121
- Setting Holiday Schedule: Commercial Use
  122
- Setting Holiday Override: Commercial Use
  123
- Ramp Rates
  123
- Custom Names
  124
- Remote Setback
  124
- Economizer and Time of Day (TOD) Operation
  126
- Pre-Occupancy Purge
  126
- Battery Replacement
  127
Optional Accessories

128
Portable Comfort Control

129
Remote Indoor Sensors

130
- Indoor Sensor Operation
  130
- Wireless Indoor Sensor
  130
  - Temperature Display
    131
  - Humidity Display
    131
Backup Control

133
Replacing a Thermostat

133
Replacing an Equipment Interface Module

134
Wiring

134
Zoning

155
- Zoning and Humidification
  156
- Zoning and Ventilation
  157
- Truedry Dehumidifier with Zoning
  157
Faqs

158
Troubleshooting

159
Regulatory Information

159

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