Honeywell TB7980 manual

Honeywell TB7980
8.5 · 2
PDF user manual
 · 6 pages
English
user manualHoneywell TB7980
TB6980/TB7980 62-0238 400-150-005-B 3/23/06 1/6

1. Introduction

The TB6980/TB7980 digital thermostats provide proportional plus
integral individual space temperature control in zoned commercial
HVAC systems such as hydronic and pressure dependent VAV with
or without reheat. There are four different models:
Depending on the model, the thermostat can have up to three out-
puts that can be used for the following applications:
Floating or Modulating damper/valve actuator control
Damper/valve actuator control with duct reheat and auxiliary
heat (B models only)
Hydronic systems (room control, perimeter heating and cool-
ing)
Accessories
R841 family of electromechanical relays
T7770A3002 remote room sensor
50014156-002 remote room sensor
32004800-001 bare thermistor
50014157-001 duct temperature sensor

2. Installation

2.1 Mounting Instructions
n Remove the thermostat from its base by unscrewing the cap-
tive screw and tilting the bottom of the thermostat up. The
screw cannot be completely removed.

o Pass the wires through the center hole of the base and secure

the base to the wall or onto an electrical box.
p Wire the thermostat. See section 2.2 for terminal designations
and section 3 for typical wiring diagrams.

q Reinstall the thermostat onto its base and secure with the cap-

tive screw.
2.2 Terminal Designations
The designations of the terminals vary according to the particular
model of thermostat. Refer to the following table for the description
of each terminal.
TB7980A (single output, modulating) TB6980A (single output, floating)
TB7980B (multiple output modulating) TB6980B (multiple output, floating)
Configuration and status display
Heating mode
Temperature display
Output power display
Temperature
adjustment
button
Cooling mode
Override button
TERMINAL DESCRIPTION
1
2
24 VAC
COM
Power supply
3
4
AN1
COM
Output 1
TB7980 models
3
4
OPEN
CLOSED
TB6980 models
5
6
T2/AN2
T2/COM
Output 2 (TB6980B and TB7980B models)
7
8
T3
T3
Output 3 (TB6980B and TB7980B models)
9
10
COM
SENSOR
External sensor input. (For applications requiring
an external sensor, see section 4.2.)
9
11
COM
C-Over
Mode Changeover input (N.O. contact). See sec-
tion 5.4.2.
9
12
COM
NSB
Night Setback activation input (N.O. contact).
See section 5.5.
Note: To configure the terminals, see section 4.

TB6980/TB7980

Installation and User Guide

ZonePRO Thermostat

User manual

View the manual for the Honeywell TB7980 here, for free. This manual comes under the category Thermostat and has been rated by 2 people with an average of a 8.5. This manual is available in the following languages: English. Do you have a question about the Honeywell TB7980 or do you need help? Ask your question here

Need help?

Do you have a question about the Honeywell TB7980 and the answer is not in the manual? Ask your question here. Provide a clear and comprehensive description of the problem and your question. The better your problem and question is described, the easier it is for other Honeywell TB7980 owners to provide you with a good answer.

Gunnar Heissler • 7-12-2021 No comments

is there an output option for a 0 to 10 volt steady state for a Honeywell TB6980 Thermostat or do we require a TB 7980 unit?

Answer this question

Number of questions: 1

Honeywell TB7980 specifications

Below you will find the product specifications and the manual specifications of the Honeywell TB7980.

General
Brand Honeywell
Model TB7980
Product Thermostats
Language English
Filetype manual_type_manual (PDF)

Questions & answers

Can't find the answer to your question in the manual? You may find the answer to your question in the FAQs about the Honeywell TB7980 below.

Is your question not listed? Ask your question here

No results