Bryant TSTAT Thermostat User Manual

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THERMOSTATS

THERMIDISTAT CONTROL

MODEL

TSTAT

The Bryant electronic thermostat product line consists of pro-

grammable and non-programmable air conditioner, heat pump,

ELECTRO-MECHANICAL THERMOSTATS

and 2-speed models; a programmable dual fuel model, and a

HEAT OFF COOL

programmable Thermidistat

Control. These units feature

non-mercury based electronic controls built into a subtle, slim

plastic enclosure. They require no battery back-up and are not

power stealing. Bryant also offers conventional electro-

mechanical thermostats in both air conditioner and heat pump

models.

AUTO FAN ON

EM. HEAT HEAT OFF COOL

FAN AUTO ON

EM. HEAT AUX. HEAT

Air Conditioner Model

* Heat Pump Model

(HH07AT214)

FEATURES/BENEFITS

(HH07AT212)

ELECTRO-MECHANICAL THERMOSTATS

COMPLETE OFFERING—Non-programmable air conditioner

and heat pump models available.

EASY TO USE—Manual switches provide easy changes to heat-

ing/cooling mode operation, fan operation, and desired

temperature setting.

NON-PROGRAMMABLE THERMOSTAT

MANUAL CHANGEOVER—Allows manual switches in system

operation when both heating and cooling are needed on the

same day.

NON-PROGRAMMABLE THERMOSTATS

CLEAN DESIGN—Features soft, responsive buttons and an

easy-to-read backlit Liquid Crystal Display (LCD).

ACCURATE, RELIABLE TEMPERATURE CONTROL—LCD

shows current room temperature at all times, and desired temper-

ature prompts upon demand.

Standard Model (AC, HP, 2S)

AUTO CHANGEOVER—Switches system operation automati-

cally when both heating and cooling are needed on the same day.

OUTDOOR TEMPERATURE DISPLAY—Allows a check of the

temperature outside before leaving home. (Optional on all models

except non-programmable air conditioner.)

CLEAN FILTER INDICATOR—Tells when it is time to clean the

PROGRAMMABLE THERMOSTAT

AND THERMIDISTAT CONTROL

system’s ﬁlter.

PERFECT COMPLEMENT—Completes your Bryant total com-

fort system needs.

LIMITED WARRANTY—Standard 1-year warranty available on

all parts.

PROGRAMMABLE THERMOSTATS

Bryant programmable thermostats possess the same features as

non-programmable thermostats plus:

COMFORT AND ENERGY SAVINGS—Seven day program-

ming, with 4 temperature changes provided per day, means

comfort when the family is at home and savings through reduced

energy usage when the family is away or asleep.

Standard Model (AC, HP, 2S)

Dual Fuel Model (DF)

Thermidistat Control Model (RH)

EASY TO USE—Simple instructions are located inside the ther-

mostat’s door.

Form No. PDS TSTAT.0.1

THERMIDISTAT^T^MCONTROL

DUPLICATE PROGRAMMING—Copy

the comfort schedule from one day to the

next using the copy previous day

function.

ﬁes during cooling.

AUTOMATIC HUMIDITY

MENT—When used with the outdoor

temperature sensor, the Thermidistat

Control automatically adjusts the humid-

ity setting reducing excess condensation

on the windows.

Bryant’s Thermidistat Control can be used

to control any equipment application ex-

cept zoning. It possesses all the features

and beneﬁts of Bryant’s non-programma-

ble and programmable thermostats plus:

ADJUST-

OVERRIDE CAPABILITY—Hold func-

tion allows the regular schedule to be

bypassed with a temporary setting.

ENHANCED COMFORT—Allows the ho-

meowner to accurately maintain the

desired temperature and humidity set-

tings in the home. By combining the

functions of a programmable thermostat

and a humidistat, the Thermidistat Control

provides temperature control, humidity

control, and dehumidiﬁcation.

BATTERY-FREE—Non-volatile RAM chip

requires no battery backup. Program is re-

tained in memory so reprogramming is not

required after power loss.

VACATION MODE—With a single touch

of a button, vacation mode adjusts all

comfort levels for optimum efﬁciency

while the home is unoccupied—or re-

stores the settings to normal upon return.

TIMEGUARD—Equipment protection.

DUAL FUEL MODEL—The dual fuel

thermostat can be used to control a gas

furnace and a heat pump. This thermostat

eliminates the need for an interface con-

trol kit.

SMART RECOVERY—Provides consis-

tent heating and cooling right on time as it

gradually adjusts indoor temperatures be-

fore a scheduled change.

HUMIDITY CONTROL—The Thermidi-

stat Control accurately controls humidity.

It humidiﬁes during heating and dehumidi-

MODEL NUMBER NOMENCLATURE

ELECTRONIC THERMOSTATS

T STAT

–A

SERIES

QUANTITY

AC – AIR CONDITIONING�

HP – HEAT PUMP�

2S – TWO SPEED/TWO STAGE�

DF – DUAL FUEL�

RH – RELATIVE HUMIDITY (THERMIDISTAT CONTROL)

P – PROGRAMMABLE�

N – NON-PROGRAMMABLE

BH – BRYANT BRAND

A96562

THERMOSTAT

ELECTRO-MECHANICAL THERMOSTATS

HH07AT

XXX

THERMOSTAT

As an ENERGY STAR^S^MPartner,

Bryant Heating & Cooling Systems

has determined that the

programmable thermostats and

Thermidistat Control meet the

ENERGY STAR guidelines for

energy efﬁciency.

12 = NON-PROGRAMMABLE, AC�

214 = NON-PROGRAMMABLE, HP

A97379

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DIMENSIONS

1 ³

⁄8″

3 ¹

⁄2″

5 ¹³⁄16″

Non-Programmable Thermostat

1 ³

⁄8″

4 ³

⁄8″

7 ³

⁄8″

Programmable Thermostat and Thermidistat Control

1 ³

⁄8″

HEAT OFF COOL

₂7

⁄8″

AUTO FAN ON

4 ³

⁄4″

Electro - Mechanical Air Conditioner Thermostat

2 ¹

⁄16″

₃1

⁄4″

EM. HEAT HEAT OFF COOL

FAN AUTO ON

EM. HEAT AUX. HEAT

4 ¹¹⁄16″

Electro - Mechanical Heat Pump Thermostat

A97289

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3—

PRODUCT DATA INFORMATION

PHYSICAL CHARACTERISTICS

Dimensions: See drawing

Appearance: Plastic, eggshell color, textured

ELECTRICAL CHARACTERISTICS

Input Volts/Amps: 24vac, 5 VA

ENVIRONMENTAL REQUIREMENTS:

Operating Temperature/Relative Humidity: 32°F (0°C) to 104°F (40°C)/95% rh non-condensing

Storage Temperature/Relative Humidity: –40°F (–40°C) to 134°F (56°C)/95% rh non-condensing

PROGRAM SPECIFICATIONS:

Non-Programmable Models:

Temperature setpoint range: 40°F (4°C) to 90°F (32°C)

Separate heat and cool setpoints

Auto changeover

Clean ﬁlter reminder: installer adjustable

Permanent memory

Programmable Models:

Temperature setpoint range: 40°F (4°C) to 90°F (32°C)

Separate heat and cool setpoints

Auto changeover

Clean ﬁlter reminder: installer adjustable

Permanent memory

Programming days: 7 day

Programming periods: 4—Wake, Day, Eve, Sleep

Hold function

Copy previous day function

Humidity display and control (Thermidistat Control only)

WIRING REQUIREMENTS:

Power: 24vac nominal, 18- to 30-vac, 50/50 Hz

Wiring: Standard thermostat wire 18 to 24 gage.

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4—

DESCRIPTION

PROGRAMMABLE ELECTRONIC THERMOSTATS

PART NO.

DESCRIPTION

TSTATBHPAC01-A

TSTATBHPHP01-A

TSTATBHP2S01-A

Thermostat, Auto Changeover, 7-Day Programmable, °F/°C, 1-Stage Heat/1-Stage Cool

Thermostat, Auto Changeover, 7-Day Programmable, °F/°C, 2-Stage Heat/1-Stage Cool

Thermostat, Auto Changeover, 7-Day Programmable, °F/°C, 2-Stage Heat/2-Stage Cool

in AC Mode, 3-Stage Heat/2-Stage Cool in HP Mode

TSTATBHPDF01-A*

TSTATBHPRH01-A*

Dual Fuel Thermostat, Must Be Used with Outdoor Air Temperature Sensor (TSTATXXSEN01)

Thermidistat Control — Programmable Thermostat with Humidity Control

NON-PROGRAMMABLE ELECTRONIC THERMOSTATS

PART NO.

DESCRIPTION

TSTATBHNAC01-A

TSTATBHNHP01-A

TSTATBHN2S01-A

Thermostat, Auto Changeover, Non-Programmable, °F/°C, 1-Stage Heat/1-Stage Cool

Thermostat, Auto Changeover, Non-Programmable, °F/°C, 2-Stage Heat/1-Stage Cool

Thermostat, Auto Changeover, Non-Programmable, °F/°C, 2-Stage Heat/2-Stage Cool

in AC Mode, 3-Stage Heat/2-Stage Cool in HP Mode

MECHANICAL MODELS

PART NO.

HH07AT212

HH07AT214*

DESCRIPTION

Thermostat, Air Conditioner, Non-Programmable, 1-Stage Heat/1-Stage Cool, Manual Changeover, °F

Thermostat, Heat Pump, Non-Programmable, 2-Stage Heat/1-Stage Cool, Manual Changeover, °F

Do not use in zoning heat pump applications.

THERMOSTAT ACCESSORIES

PART NO.

DESCRIPTION

TSTATXXSEN01*

TSTATXXNBP01†

TSTATXXPBP01†

TSTATXXCNV10‡

Outdoor Air Temperature Sensor

Backplate for Non-Programmable Thermostat

Backplate for Programmable Thermostat and Thermidistat Control

Thermostat Conversion Kit (4 to 5 wire) — 10 pack

Outdoor air temperature sensor is an accessory for all Bryant electronic thermostats, except the non-programmable air conditioner version. It allows the

temperature at a remote location (outdoors) to be displayed on the thermostat. The outdoor air temperature sensor must be used with the Thermidistat

Control to automatically adjust humidity setting.

The outdoor air temperature sensor must be used with the dual fuel thermostat. Do not use with electro-mechanical models.

Thermostat backplate can be used for programmable and non-programmable electronic thermostats only. This plate is designed to cover surrounding wall

area located behind thermostat.

Thermostat conversion kit is a 24-vac accessory that can turn a 4-wire thermostat application into a 5-wire application.This kit can also be used to replace

a broken thermostat wire, or add an extra wire when needed.

†

‡

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THERMOSTAT AND THERMIDISTAT CONTROL APPLICATION

NON-PROGRAMMABLE ELECTRONIC THERMOSTAT USAGE

OUTDOOR UNIT

Air Conditioner

Heat Pump

INDOOR UNIT

1 Speed

2 Speed

Model 2S

1 Speed

2 Speed

Model 2S‡

Model 2S

1-Stage Furnace

Model AC or HP*

†

2-Stage Furnace

†

Typical Fan Coil

FK4C Fan Coil

Model HP

†

‡

Model HP thermostat must be ﬁeld converted to air conditioner operation.

Must use Programmable Dual Fuel Thermostat or Thermidistat Control in this application.

Dual Fuel operation controlled by heat pump when using Model 2S Thermostat.

Non-Programmable Models

The TSTATBHNAC01-A Electronic Thermostat provides single-stage, non-programmable heat/cool temperature control for 24-vac

heating-cooling systems with auto changeover. Temperature display can be selected to read °F or °C.

The TSTATBHNHP01-A Electronic Thermostat provides versatile 2-stage heating and single-stage cooling, non-programmable tem-

perature control for 24-vac heating-cooling systems with auto changeover. Temperature display can be selected to read °F or °C.

Thermostat comes factory set to operate as a heat pump model with second-stage controlling auxiliary electric heat. This model can

easily be converted from heat pump operation to air conditioning operation requiring 2 stages of gas or electric heat.

The TSTATBHN2S01-A Electronic Thermostat provides versatile multiple stage, non-programmable heat/cool temperature control for

24-vac heating-cooling systems with auto changeover. Temperature display can be selected to read °F or °C. Thermostat is

designed for 2-speed compressor bearing units. Thermostat comes factory set to operate as a heat pump model with 2-stage cooling

and 3 stages of heat, third-stage controlling auxiliary electric heat. This model can easily be converted from heat pump operation to

air conditioning operation requiring 2 stages of cooling and 2 stages of heating.

PROGRAMMABLE ELECTRONIC THERMOSTAT USAGE

OUTDOOR UNIT

Air Conditioner

Heat Pump

INDOOR UNIT

1 Speed

2 Speed

Model 2S

1 Speed

Model DF

2 Speed

Model DF or 2S‡

Model 2S

1-Stage Furnace

Model AC or HP*

2-Stage Furnace

Model DF

Typical Fan Coil

FK4C Fan Coil

Model HP

Model HP or 2S†

Model 2S

†

‡

Model HP thermostat must be ﬁeld converted to AC operation.

For use with special 3-stage electric heat setup.

Dual Fuel operation controlled by heat pump when using Model 2S thermostat.

Programmable Models

The TSTATBHPAC01-A Electronic Thermostat provides single-stage, 7-day programmable heat/cool temperature control for 24-vac

heating-cooling systems with auto changeover. Temperature display can be selected to read °F or °C.

The TSTATBHPHP01-A Electronic Thermostat provides versatile 2-stage heating and single-stage cooling, 7-day programmable

temperature control for 24-vac heating-cooling systems with auto changeover. Temperature display can be selected to read °F or °C.

Thermostat comes factory set to operate as a heat pump model with second-stage controlling auxiliary electric heat. This model can

easily be converted from heat pump operation to air conditioning operation requiring 2 stages of gas or electric heat.

The TSTATBHP2S01-A Electronic Thermostat provides versatile multiple stage, 7-day programmable heat/cool temperature control

for 24-vac heating-cooling systems with auto changeover. Temperature display can be selected to read °F or °C. Thermostat is

designed primarily for 2-speed compressor bearing units. Thermostat comes factory set to operate as a heat pump model with 2-

stage cooling and 3-stages of heat, third-stage controlling auxiliary electric heat.This model can also perform smart-staging with FK4

fan coils (special heaters and setup required) using a single-speed heat pump with 3-stages auxiliary electric heat. In addition, this

model can easily be converted from heat pump operation to air conditioning operation requiring 2 stages of cooling and 2 stages of

heating (e.g. gas or electric heat).

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Programmable Dual Fuel Model

The TSTATBHPDF01-A Electronic Thermostat provides single-stage or multiple-stage dual fuel operation, 7-day programmable heat/

cool temperature control for 24-vac systems with auto changeover. Temperature display can be selected to read °F or °C. The Dual

Fuel Thermostat is designed with an adjustable balance point for heat pumps when using a gas furnace for backup or auxiliary heat.

Thermostat comes factory set to operate single-speed equipment, but is easily conﬁgured to match multiple stage equipment combi-

nations. This model requires use of the Outdoor Air Temperature Sensor accessory. Using the dual fuel thermostat eliminates the

need for an interface control.

THERMIDISTAT CONTROL USAGE

OUTDOOR UNIT

Air Conditioner

Heat Pump

INDOOR UNIT

1 Speed

2 Speed

1 Speed

2 Speed

1-Stage Furnace

-Stage Furnace

Model RH*

Typical Fan Coil

FK4C Fan Coil

The Thermidistat Control may be used in all applications but must be ﬁeld conﬁgured for speciﬁc application.

Thermidistat Control

The TSTATBHPRH01-A Electronic Thermidistat Control provides single-stage or multiple-stage equipment operation, 7-day program-

mable heat/cool temperature control for 24-vac systems with auto changeover. It controls both humidiﬁcation and dehumidiﬁcation

and can be used to control heat pumps, air conditioners, or dual fuel applications. Temperature display can be selected to read °F or

°C. The Thermidistat Control is designed primarily as an extension of the programmable thermostat line to provide humidify and

dehumidify outputs in controlling humidity. Humidify outputs connect directly to 24-v humidiﬁers. Dehumidify outputs connect directly

to variable-speed furnaces or fan coils that have dehumidiﬁcation capabilities. This model requires use of the Outdoor Air Tempera-

ture Sensor accessory, which is included with the Thermidistat Control.

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7—

OPERATIONAL INFORMATION FOR ELECTRONIC MODELS

FIVE-MINUTE COMPRESSOR TIMEGUARD

This timer prevents the compressor from starting unless it has been off for at least 5 minutes. It can be defeated for 1 cycle by simulta-

neously pressing the FAN mode button and INCREASE TEMPERATURE (UP) button.

FIFTEEN-MINUTE CYCLE TIMER

This timer prevents the start of a heating or cooling cycle until at least 15 minutes after the last start of the same cycle. Its function is to

assure that equipment is not cycled more than 4 times per hr. This timer is defeated for 1 cycle when the desired temperature is manu-

ally changed. It can also be defeated for 1 cycle by simultaneously pressing the FAN mode button and INCREASE TEMPERATURE

button.

FIFTEEN-MINUTE STAGING TIMER

In multistage heating or cooling, this timer prevents any higher stage from turning on until preceding stage has been on for 15 minutes.

This timer is defeated if temperature error is greater than 5°F (usually due to a large change in desired temperature).

MINIMUM ON TIME

In normal operation, when a stage turns on, it will not turn off for a minimum of 2 minutes (3 minutes on Thermidistat Control).

HEAT/COOL SETPOINTS (DESIRED TEMPERATURE)

A minimum difference of 3° is enforced between heating and cooling desired temperatures. This is done by allowing 1 setting to “push”

the other, to maintain this difference. (Thermidistat Control 2° and adjustable.)

EQUIPMENT ON INDICATORS (THERMIDISTAT CONTROL)

When cooling equipment is ON, a COOL icon preceded by a small triangle is displayed below the cool setpoint. While cooling equip-

ment turn on is delayed by a staging or cycle timer, the triangle will be ﬂashing. The same is true for the HEAT icon and its preceding

triangle located under the heat setpoint. These 2 triangles are also used to indicate the state of the humidify and dehumidify outputs.

See next section.

HUMIDIFY/DEHUMIDIFY OUTPUT ON INDICATORS (THERMIDISTAT CONTROL)

Within humidity select screen (selected by Humidity button and indicated by “hu” or “dhu” on clock display), the triangle under humidity

setpoint will be on while humidify output is on.The triangle under dehumidify setpoint will be on while dehumidify output is active (turned

off, because this output is reverse logic).

AUTO CHANGEOVER

When auto changeover mode is selected, a change from heat to cool (or vice versa) will not occur until an opposite mode demand has

existed for 20 minutes. If setpoint is changed, the 20 minute requirement is deleted.

EMERGENCY HEAT MODE

When thermostat is controlling as a heat pump and emergency heat is selected, all Y signals are locked out, and W becomes energized

upon a call for heat.

SMART RECOVERY

With Smart Recovery selected, transition out of setback begins a ﬁxed time period before selected recovery time and gradually adjusts

room temperature so that the desired temperature will be achieved at selected recovery time.

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

UNIT MUST BE INSTALLED IN ACCORDANCE

WITH INSTALLATION INSTRUCTIONS

Cancels: New

1997 Bryant Heating & Cooling Systems, 7310 W. Morris St., Indpls., IN 46231

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PRINTED IN U.S.A.

Catalog No. 12TS-TA0

8-97

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