Honeywell TH8000 Vertical Non Programmable Thermostat Installation Guide
Installation
Guide
®
VisionPRO TH8000 Series
Touch-screen Programmable Thermostat
This manual covers the following models
• TH8110U: For 1 Heat/1 Cool systems
• TH8320U: For up to 3 Heat/2 Cool systems
• TH8321U: For up to 3 Heat/2 Cool systems with dehumidification
(Pull thermostat from wallplate and turn over to find model number)
• Heat only — two-wire systems,
System Types
• Gas, oil, or electric heat with air
power to open and close zone
valves (Series 20), and normally
open zone valves
conditioning
• Warm air, hot water,
highefficiency furnaces, heat
pumps, steam, gravity
• Heat only with fan
• Cool only
• 750 mV heating systems
This thermostat contains a Lithium battery which may contain Perchlorate material.
Perchlorate Material—special handling may apply,
Need Help?
or call Honeywell Customer Care toll-free at 1-800-468-1502
® U.S. Registered Trademark.
Copyright © 2012 Honeywell International Inc.
All rights reserved.
69-2693-01
| General | Details |
|---|---|
| Name | Honeywell TH8000 Vertical Non Programmable Thermostat Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.23 MB |

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Honeywell TH8000 Vertical Manual: Questions and Answers
What does the Y terminal connect to on a heat pump thermostat?
Compressor relay for 1H/1C and 2H/1C systems, or Compressor 1 relay for 2H/2C and 3H/2C systems.
| System Type | Y Terminal |
|---|---|
| 1H/1C Heat Pump | Compressor relay |
| 2H/1C Heat Pump | Compressor relay |
| 2H/2C Heat Pump | Compressor 1 relay |
| 3H/2C Heat Pump | Compressor 1 relay |
What year range does the Honeywell TH8000 Vertical support for the first two digits?
2001 to 2099, or 2100 to 2178. Installation Guide, p. 7
How do I set up the furnace filter change reminder on Honeywell TH8000?
Access Setup Function 0500 and select a reminder interval.
- Enter installer setup.
- Navigate to function 0500 (Furnace filter change reminder). Installation Guide, p. 9
How long does the fan run after heating stops on Honeywell TH8000 Vertical?
90 seconds, when Setup Function 0650 (Extended fan timer for heat) is set to its default value. Installation Guide, p. 9
What does the 'Wait' message mean on Honeywell TH8000 Vertical display?
The compressor is waiting before restarting to prevent equipment damage. This occurs during compressor protection cycles when Setup Function 0580 is active. Installation Guide, p. 11
What does the C terminal represent on the Honeywell TH8000 Vertical?
Common wire from the secondary side of the cooling system transformer, or optional 24VAC common connection. Installation Guide, p. 3
























