Bryant Preferredt Series User manual

Installation Instructions

T6-PAC01-A, T6-PHP01-A,

T6- NAC01- A, T6- NHP01- A

PreferredtSeries

AC / HP Thermostat

A07045 A07044

Programmable Control Non- Programmable Control

NOTE: Read the entire instruction manual before starting the installation.

US patents: US7287709 B2, US20080147242 A1, USD582800 SI,

US20060165149 A1, US6956463 B2.

TABLE OF CONTENTS

PAGE

SAFETY CONSIDERATIONS 1................................

INTRODUCTION 2..........................................

INSTALLATION CONSIDERATIONS 3..........................

INSTALLATION 6...........................................

SYSTEM START- UP AND CHECKOUT 39......................

OPERATIONAL INFORMATION 42............................

TROUBLESHOOTING 46.....................................

WIRING DIAGRAMS 50......................................

THERMOSTAT CONFIGURATION RECORD 59..................

SAFETY CONSIDERATIONS

Read and follow manufacturer instructions carefully. Follow all local electrical

codes during installation. All wiring must conform to local and national electrical

codes. Improper wiring or installation may damage AC/HP Control.

Recognize safety information. This is the safety- alert symbol . When you see

this symbol on the equipment and in the instruction manual, be alert to the potential

for personal injury.

Understand the signal words DANGER,WARNING,andCAUTION.These

words are used with the safety- alert symbol. DANGER identifies the most serious

hazards which will result in severe personal injury or death. WARNING signifies a

hazard which could result in personal injury or death. CAUTION is used to identify

unsafe practices which may result in minor personal injury or product and property

damage. NOTE is used to highlight suggestions which will result in enhanced

installation, reliability, or operation.

INTRODUCTION

Bryant’s 7-day, 5/2- day, 1-day programmable and non-programmable Preferredt

Series Thermostat Control is a wall- mounted, low- voltage temperature control in

either a single unit or a two- piece unit. In two-piece configuration, the relays are

located near the equipment and a two-wire connection is used between the Display

Module and the Equipment Control Module. Single- piece installation requires more

wiring and results in a higher profile. The Preferred Series Thermostat has no need

for batteries to store user-configured settings in memory. During power loss its

internal memory saves settings for unlimited time, and the clock continues to run

for at least 24 hours. An extension of Bryant’s proven line of thermostats; it

provides separate setpoints for heating and cooling.

In the control’s programmable configuration, different heating and cooling setpoints

and times are programmable for 4 periods per day or 2 periods per day.

Programming can be done for 7 days per week, 5/2 days per week, or 1 day. The

programmable Thermostat Control can also be user configured as a

non- programmable Thermostat Control.

The non- programmable Thermostat Control features Touch ’N’ Gotsettings for

quick and easy temperature change without complicated programming schedules.

And, its Touch ’N’ Go technology enables the user to switch between three

different user- configurable settings through intuitive buttons located just below the

display.

INSTALLATION CONSIDERATIONS

Power

This control is powered by 24VAC only. It requires 24VAC (Rh and/or Rc and C

terminals) of the low- voltage transformer to be connected to it for proper operation.

It will not operate without these 2 connections. Rh and Rc are connected via PCB

breakout jumper. See Fig. 1. For applications using two 24VAC transformers, one in

the indoor unit and one in the outdoor unit, connect the common from each to the C

terminal. Connect R from the indoor unit to the Rh terminal. Connect R from the

outdoor unit to the Rc terminal. Then, break jumper on the circuit board. The W

signal is taken from the Rh power and the G signal is taken from the Rc power. If

thermostat has been installed in a two- transformer application that is later changed

to a single- transformer installation, installer must install a field supplied jumper

between Rc and Rh. Depending on the installation, up to 14 wires may be required.

Installation as two-piece unit is recommended. Only 2 wires are required for

connection between Display Module and Equipment Control Module. These two

wires (V+ and Vg) do not provide ordinary 24VAC. They carry a combination of

power and communications data that is unique to these products.

A07052

Fig. 1 - PCB Breakout Jumper

Models

There are programmable and non-programmable models for all applications. They

can be configured for AC or HP installations, allowing it to be used in place of all

Bryant thermostats. Programmable thermostats may be configured as

non- programmable if user desires.

Outdoor Temperature Sensor

The outdoor air temperature sensor is not included with the AC/HP Control. It is

available as an accessory, part number TSTATBBSEN01-B. Optimum performance

is obtained when an outdoor temperature sensor is used with the AC/HP Control.

Plan installation so that 2 wires can be run from Equipment Control Module to an

outdoor location, preferably on the north side of the house or refer to Installation

Instructions included with the outdoor temperature sensor for simplified

connection. Sensor can be mounted to outdoor unit and existing dedicated sensor

wires may be used for its connection. Details are provided in sensor instructions.

Remote Indoor Temperature Sensor

A remote temperature sensor may be used with the programmable heat pump and

programmable air conditioner thermostats where it is desirable to install the

thermostat in a limited access location while measuring the temperature in the

living space. The remote room sensor may be used as a stand alone or average with

local sensor.

Two- Piece Thermostat Configuration

The Preferred Series AC/HP Control can be installed in one of two configurations.

The control may be installed as a single-piece thermostat or it may be split into two

pieces and mounted in separate locations. As a single- piece unit, all required wiring

must be brought to the Equipment Control Module for connection to the terminal

strip. In two-piece configuration, the Display Module can be mounted in the living

space while the Equipment Control Module may be mounted near the indoor

furnace or fan coil. Connection from the display to the Equipment Control Module

requires only two wires. All other control wires are connected to the Equipment

Control Module from the HVAC equipment. This configuration results in a slimmer

display and locates the Equipment Control Module containing the switching relays

away from the main living space where relay clicking will not be heard.

The model numbers on the Display Module and the Equipment Control Module

(ECM) must match or unpredictable results may occur.

Two- wire pigtail replacement part number is TX-2WR- 05.

Wiring

For all wiring applications, use 22 AWG or larger wire. Continuous wire lengths

over 100 ft. (30.5 m) should use 20 AWG or larger. Wire lengths are not to exceed

250ft.(76m)perrun.

INSTALLATION

UNIT DAMAGE HAZARD

Failure to follow the recommended wiring practices could result in

damage to the wall control and personal property.

Improper wiring or installation may damage AC/HP Control. Check

to make sure wiring is correct before proceeding with installation or

turning on power.

CAUTION

Installation Notes:

SNo part of the control should be installed directly outdoors or in a cabin-

et outdoors.

SNever remove the thermostat board from the plastic housing. Doing so

could warp and damage the components on the board.

SThe control assembly should be mounted before wires are attached.

SDuring thermostat installation, provide sufficient excess wiring behind

the mounting plate. Coil the wiring, creating a service loop, and place in

mounting box or behind the wall to remove strain against the terminal

strip. See Fig. 2.

A13295

Fig. 2 - Coil Excess Wiring

A07756

Fig. 3 - T6- PAC01- A / T6- PHP01- A Carton Contents

Carton contains the following components. See Fig. 3 for programmable models or

Fig. 4 for non-programmable models:

1. Display Module

2. Stand-off for Equipment Control Module

3. Screws and pig tail

4. Equipment Control Module

A07757

Fig. 4 - T6- NAC / T6- NHP01- A Carton Contents

1. Display Module

2. Stand-off for Equipment Control Module

3. Screws and pig tail

4. Equipment Control Module

AC/HP Control Location

AC/HP Control should be mounted:

This manual suits for next models

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