Product Overview
Table Of Contents
- Application
- Features
- Specifications
- Installation
- Wiring
- Power the Thermostat
- Set Calendar and Time
- Installer Setup
- Installer Setup Numbers (ISU), Settings, and Tests (Table 6)
- Main Screen
- Programming
- Operation
- Fan Sequence Operations (ISU 347, 348, 349)
- Equipment Sequence Operations (ISU 170)
- Special Programmable Mode Functions
- Special Non-Programmable Mode Functions
- Screen Locked
- Minimum-Off Timer Compressor Protection
- Temperature Sensor Operation and Checkout
- C7189U Remote Indoor Temperature Sensor
- TR21 Remote Temperature Sensor
- Troubleshooting (Table 12)
TB7100A1000 MULTIPRO™ MULTISPEED AND MULTIPURPOSE THERMOSTAT
63-2675—04 2
SPECIFICATIONS
Thermostat Description: See Table 1.
Electrical Ratings: See Table 2.
Temperature:
Ratings:
Operating Ambient:
TB7100: 0°F to 120°F (-18°C to 49°C).
C7189U: 5% to 95%.
Shipping: -30 °F to 150 °F (-34.4°C to 65.6°C).
Display Accuracy: ±1°F (±0.5°C).
Setpoint:
Range:
Heating: 40°F to 90°F (4°C to 32°C).
Cooling: 50°F to 99°F (10°C to 37°C).
Default Settings: See Table 3.
Humidity Ratings (RH, non-condensing):
TB7100: 5% to 90%.
C7189U: 5% to 95%.
Table 1. Thermostat Description.
Table 2. Electrical Ratings
Table 3. Energy-saving Default Program Settings.
Cycle Rates (at 50% Load):
Heating: Selectable 1 - 12 cycles per hour.
Cooling: Selectable 1 - 6 cycles per hour.
Interstage Differential:
Droopless control. Once the first stage is running at 90%
load, the thermostat energizes the second stage.
Cool Indication: Displays “Cool On” when Cool is acti-
vated.
Heat Indication: Displays “Heat On” when Heat is acti-
vated.
Auxiliary Heat Indication: Displays “Aux. Heat On” when
Auxiliary Heat is activated.
Clock Accuracy: ±1 minute per month.
Finish:
TB7100: Premier White® color.
C7189U Wall Mount Remote Indoor Sensor: Premier
White® color.
TR21 Wall Mount Remote Indoor Sensor: Premier White®
color.
Batteries:
Two replaceable AA alkaline batteries: Power thermostat
when 24 Vac common is not used.
Non-replaceable lithium battery with ten-year life: Under
normal conditions holds calendar and time settings.
NOTE: Alkaline batteries keep calendar and time if lith-
ium battery is no longer functional.
Resistance Characteristics of Remote Sensors:
C7189U Remote Indoor Sensor: 10K ohm NTC.
C7772 Flush-Mount Remote Indoor Sensor: 20K ohm
NTC.
TR21 Wall-Mount Remote Indoor Sensor: 20K ohm NTC.
TR21-A Wall-Mount Remote Indoor Sensor: 10K ohm NTC.
Calibration (TB7100, C7089U, C7189U, T7770A):
No field calibration required.
Mounting Means:
TB7100: Direct wall-mount using mounting screws and
anchors provided. Fits standard vertical or horizontal
2 in. x 4 in. junction box.
C7189U, TR21: Mounts directly on the wall using mount-
ing screws and anchors provided. Fits a vertical 2 x 4 in.
junction box.
Cover Plate:
32003796-001 Cover Plate is used to cover marks left on
the wall by the old thermostat.
Feature Description
Powering
methods
• Battery only
• 24 Vac only
• 24 Vac with battery backup
System types • Conventional (1 Heat, 1 Cool Stages)
• Heat Pump (up to 2 Heat,
1 Cool
Stages)
• 2 Pipe Fan Coil
• 2 Pipe Fan Coil with Auxiliary Heat
• 4 Pipe Fan Coil
• PTAC (up to 2 Heat, 1 Cool)
Changeover Manual or Auto changeover selectable
System
setting
Heat-Off-Cool-Auto
Fan setting Auto-On
Fan Speeds Low, Medium, High
Remote
Setback
Remote Setback Input for occupancy
sensor or DDC Setback
Fan Ramping
Algorithm
VersaSpeed™ Fan Ramping Algorithm for
Automatic Fan Speed Selection (fan coil
and PTAC applications)
Terminal
Voltage
(50/60 Hz)
Running
Current
W (Heating) 20 - 30 Vac 0.02 - 1.0 A
Y (Cooling) 20 - 30 Vac 0.02 - 1.0 A
G (Fan), G
2
, G
3
20 - 30 Vac 0.02 - 0.60 A
Schedule
Period Time
Setpoints
Heat Cool
Occ1 8:00 am 70 °F (21 °C) 75 °F (24 °C)
Unocc1 10:00 pm 55 °F (10 °C) 85 °F (29.5 °C)
Occ2 — — —
Unocc2 — — —










