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Installation Manual

Thermostat Application Guide

Power Type

Battery Power

Hardwire (Common Wire)

Hardwire (Common Wire) with 

Battery Backup

Table of Contents

Specifications

Installation Tips

Thermostat Quick Reference

Wiring

Technician Setup

Page

A trained, experienced 

technician must install this 

product.

Carefully read these 

instructions.  You could damage 

this product or cause a 

hazardous condition if you fail 

to follow these instructions.

Una version en español de este 

manual se puede descargar en 

la pagina web de la compañia.

Rev. 1821

     U.S. Registered Trademark. Patents pending

Copyright      2018 All Rights Reserved.

Specifications

The display range of temperature ... 41˚F to 95˚F (5˚C to 35˚C)

The control range of temperature.... 44˚F to 90˚F (7˚C to 32˚C)

Swing (cycle rate or differential) ...... Heating is adjustable from 0.2˚ to 2.0˚

                                                                         Cooling is adjustable from 0.2˚ to 2.0˚

Power source ...........................................18 to 30 VAC, NEC Class II, 50/60 Hz 

                                                                      for hardwire

                                                                      Battery power from 2 AA Alkaline 

                                                                      batteries

Operating ambient ............................... 32˚F to +105˚F (0˚C to +41˚C)

Operating humidity .............................. 90% non-condensing maximum

Dimensions of thermostat ................. 4.7”W x 4.4”H x 0.8”D

Mount Thermostat

Align the 4 tabs on the subbase with 

corresponding slots on the back of the 

thermostat, then push gently until the 

thermostat snaps in place.

Battery Installation

Battery installation is recommended even if thermostat is hardwired 

(C terminal connected).  When thermostat is hardwired and batteries 

are installed, the thermostat will activate a compressor delay of 5 

minutes when the thermostat detects a power outage from the 

hardwired power supply.

Important:

High quality alkaline batteries are recommended. 

Rechargeable batteries or low quality batteries 

do not guarantee a 1-year lifespan.

Insert 2 AA 

Alkaline batteries 

(included). High 

quality alkaline 

batteries are 

recommended.

Simple 

operating 

instructions

are found 

on the back 

of the 

battery 

door.

Installation Tips

2-3 

4

5-6 

7-8

Installation Tips

Thermostat Quick Reference

Getting to know your thermostat

Glow in the dark light button

Fan switch
System switch
Easy change battery door

Temperature setpoint buttons

LCD

The low battery indicator is displayed when the 

AA battery power is low. If the user fails to 

replace the battery within 21 days, the screen 

will only show the low battery indicator but 

maintain all functionality.  If the user fails to 

replace the batteries after an additional 21 days 

(days 22-42 since first “low battery” display) the 

setpoints will change to 55˚F (Heating) and 85˚F 

(Cooling). If the user adjusts the setpoint away 

from either of these, it will hold for 4 hours 

then return to either 55˚F or 85˚F.  After day 63 

the batteries must be replaced immediately to 

avoid freezing or overheating because the 

thermostat will shut the unit off until the 

batteries are changed.

Important

Removing The Private 

Label Badge

Gently slide a screwdriver into the 

bottom edge of the badge. Gently turn 

the screwdriver counter clockwise.  The 

badge is held on by a magnet in the well 

of the battery door.  The badge should pry 

off easily.  

DO NOT USE FORCE.

About The Badge

All of our thermostats use the same universal magnetic badge.  Visit the 

company website to learn more about our free private label program.

Magnet in door

Subbase Installation

The thermostat should be installed approximately 4 to 5 feet above the 

floor.  Select an area with average temperature and good air circulation.

•  Close to hot or cold air ducts

•  That are in direct sunlight

•  With an outside wall behind 

   the thermostat

•  In areas that do not require 

   conditioning

•  Where there are dead spots 

   or drafts 

   (in corners or behind doors)

•  Where there might be 

   concealed chimneys or

   pipes

Wall Locations

Vertical Mount

Horizontal Mount

For vertical mount put one screw on the 

top and one screw on the bottom.

For horizontal mount put one screw on 

the left and one screw on the right.

All of our products are mercury free. 

However, if the product you are 

replacing contains mercury, dispose of 

it properly.  Your local waste 

management authority can give you 

instructions on recycling and proper 

disposal.

Pick an installation location that is easy for 

the user to access.  The temperature of the 

location should be representative of the 

building.

Installation Tip

Mercury Notice

Do not install 

thermostat in locations:

Failure to disconnect the power before 

beginning to install this product can 

cause electrical shock or equipment 

damage.

Installation Tip: 

Electrical Hazard

Description

Gas or Oil Heat
Electric Furnace
Heat Pump (No Aux. or Emergency Heat)
Heat Pump (With Aux. or Emergency Heat)
Multi-Stage Systems
Heat Only Systems
Heat Only Systems - Floor or Wall Furnace
Cool Only Systems
Millivolt Conventional Systems

Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes

Two Transformer Systems

No

=

88

Room Temperature

o

88

Set At

C

F

LOW

Displays the 

selected setpoint 

temperature.

System Operation 

Indicators:

The COOL, HEAT, 

EmH or       icon will 

display when 

the COOL, HEAT, or

       (fan) is on.

NOTE: 

The 

compressor delay 

feature is active if 

these icons are 

flashing. The 

compressor will not

turn on until the 5 

minute delay has 

elapsed.

Low Battery Indicator:

Replace batteries when 

indicator is shown.

Indicates the current 

room temperature.

COOL ON

HEAT ON

EmH ON

Stage 1 & 2

Stage 1 and 2 indicate the 

stages of HEAT that are active.

Use the bevel on lower ridge

Vive Comfort

Toll Free : 888-776-1427 

Web: www.vivecomfort.com

Hours of Operation: M-F 9AM - 6PM Eastern 

TP-N-721

FAN

ON    AUTO

EmH

COOL

OFF

HEAT

FAN

ON    AUTO

EmH

COOL

OFF

HEAT

P.O. Box 3377
Springfield, MO 65808-3377

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