Bryant IIT6-WEM-02 User manual

T6--WEM01
BryantrHousewise™Thermostat
PreferredtSeries AC/HP Wi--FirThermostat
Installation Instructions
A14551
NOTE: Read the entire instruction manual before starting the installation.

TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS 1.................................
INTRODUCTION 2...........................................
INSTALLATION CONSIDERATIONS 2..........................
INSTALLATION 3............................................
Step 1. Power Off System 9.....................................
Step 2. Remove Existing Thermostat 10...........................
Step 3. Attach Backplate to Wall 11..............................
Step 4. Connect the Wiring 14...................................
Step 5. Power On System 16....................................
FEATURES 17...............................................
TROUBLESHOOTING 17......................................
WIRING DIAGRAMS 18.......................................

1
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 thermostat. 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,and
CAUTION. 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.

2
INTRODUCTION
The BryantrHousewisetthermostat is a wall--mounted, low--voltage
thermostat which maintains room temperature by controlling the
operation of a heating and/or air conditioning system, both heat pump
and air conditioner models. Your Housewise thermostat has a color
touch screen and interface similar to that used in smart phones. A
variety of features are provided including remote access through web
and mobile apps, separate heating and cooling setpoints, auto
changeover, keypad lockout, backlighting, and built--in installer test.
Programing features allow each day to be independently programmed
in half an hour increments with four preset periods (Home, Away,
Sleep, Wake) and up to six additional custom profile periods. For
operational details, consult the online Owner’s Manual for the specifics
at www.Bryant.com.
INSTALLATION CONSIDERATIONS
Power
This thermostat is powered by 24VAC through the C terminal and thus
most applications require a minimum of 5 thermostat wires. Provision
is made for separate heating and cooling transformers via separable Rc
and Rh terminals which are internally jumpered unless both Rc and Rh
are utilized. Internal jumper is controlled by a relay after the thermostat
senses whether Rc and/or Rh wires are connected to the terminal
block.

3
INSTALLATION
Installation Notes:
dThe maximum wire size to be used in the installation is
22AWG (0.50mm2) with 0.8mm insulation
dNo part of the control should be installed directly outdoors or
in a cabinet outdoors
dThe control assembly base should be mounted before wires are
attached
Thermostat location:
dApproximately 5 ft. (1.5m) from floor.
dClose to or in a frequently used room, preferably on an inside
partitioning wall.
dOn a section of wall without pipes or duct work.
Thermostat should NOT be mounted:
dClose to a window, on an outside wall, or next to a door lead-
ing to the outside.
dExposed to direct light or heat from the sun, a lamp, fireplace,
or near other temperature--radiating objects which could cause
a false reading.

4
dClose to or in direct airflow from supply registers and return--
air registers.
dIn areas with poor air circulation, such as behind a door or in
an alcove.
Compatible Systems
Your Bryant Housewise thermostat works with most centralized
residential heating and cooling systems.
Heating: up to 2 stages
Cooling: up to 2 stages
Heat pumps: 1 or 2 stages + 1 or 2 stages auxiliary heat (Intelligent
heat staging capable)
Gas, oil, electric
Hybrid HeatrDual Fuel systems
Geothermal systems
Accessories: Humidifier, dehumidifier, or ventilator

5
Terminal Descriptions
GFan
Rc Cool transformer
Rh Heat transformer
O/B Heat pump reversing valve
Y/Y1 Used for first stage of conventional A/C or first
stage of heat pump compressor
Y2 Used for second stage of conventional A/C or
second stage of heat pump compressor
WW1, W2: Used for 1 -- 2 stages of conventional
heat or 1 -- 2 stages of electric auxiliary heat (3
stages -- Intelligent heat staging configuration)
C24VAC common
ACC Accessory (+/--): Used for dehumidifiers,
humidifiers, ventilators, HRVs or ERVs
This thermostat is designed for 24VAC with a 2A maximum current.
Do not connect it to line (high) voltage or millivolt systems.

6
Items Included In Box
A14494
Fig. 1 -- Bryant HousewiserThermostat
A14495
Fig. 2 -- Small Backplate
NOTE: The Mounting Plate (center) is removable for both backplates.

7
Items Included In Box (Cont.)
A14496
Fig. 3 -- Large Backplate
A14497
Fig. 4 -- Screws and Anchors

8
Items Included In Box (Cont.)
A14498
Fig. 5 -- Installation Instruction, Quick Start Guide, and Wire Labels
Items You Will Need
A. Phillips screwdriver
B. Drill for drilling holes for the mounting anchors with a 3/16”
drill bit.
Before You Start
Review the all the instructions before you start to ensure that there are
no surprises during installation.

9
Step 1. Power Off the HVAC System
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in injury or death.
Before installing thermostat, turn off all power to equipment.
There may be more than one power disconnect.
!WARNING
Power off the HVAC system either by a switch at the indoor furnace or
fan coil or at the circuit breaker box.
Verify that the equipment is off by attempting to adjust the temperature
with the existing thermostat. The thermostat may show the temperature
change but your cooling or heating should not come on.

10
Step 2. Remove Existing Thermostat
Remove the cover from your old thermostat. Most snap off easily but
some may be attached by screws.
Note: If the old thermostat has 110/120V wires connected to the
thermostat, it is a high voltage system and is not compatible with this
thermostat.
Look at the wires coming out of the wall. Using the old thermostat
base as a guide, use provided labels to label each wire coming out of
thewall(SeeFig.6).
A14499
Fig. 6 -- Label Thermostat Wire

11
Discard any jumper wires between Rh, Rc, or R. This thermostat does
not need them. They are jumpered internally.
When done, remove the old thermostat base by unscrewing it from the
wall. Be careful not to let any wires fall back into the wall.
Discard or recycle old thermostat.
ENVIRONMENTAL HAZARD
Failure to follow this caution may result in environmental
damage.
Mercury is a hazardous waste. Federal regulations require that
mercury be disposed of properly.
CAUTION
!
Step 3. Attach Backplate to Wall
Position the backplate, ensuring that it is straight by checking the
bubble on the built--in level. Mark the mounting holes on the wall with
a pencil.

12
Installing the optional large backplate
If the small backplate doesn’t cover the marks left by the previous
thermostat, attach the larger backplate instead.
Remove the center piece from the small backplate by gently pushing
the snap and pulling toward you.
Insert the center piece into the large backplate, using the tabs on the
right as a guide. It will snap into place when correctly inserted.
Secure the backplate
Drill mounting holes on the pencil marks with a 3/16” drill bit.
Insert the plastic drywall anchors into the wall.
Use the screws provided to secure the backplate to the wall. (See Fig.
7)

13
A14500
Fig. 7 -- Secure Backplate to Wall

14
Step 4. Connect the Wiring
The wires from the wall should plug easily into the terminal blocks.
Adjust length and routing of each wire to reach proper terminal and
connector block on mounting base with 1/4--in. (6 mm) of extra wire.
Strip only 1/4 in. of insulation from each wire to prevent adjacent
wires from shorting together when connected. Only one wire can fit
into each terminal block location. Do not try to force two wires into a
terminal block location, it might damage the terminal block or not
fully engage the wires.
When installed correctly, the release lever of the terminal block will
lower to indicate engagement. To release a wire, press down on the
lever. (See Fig. 8)
Match and connect equipment wires to proper terminals of the
connector blocks. If there are separate 24VAC transformers, one in the
indoor unit and one in the outdoor unit, connect the common to the
respective C terminals. Connect the R from the indoor unit to the Rh
terminal. Connect the R from the outdoor unit to the Rc terminal. Then
the W signal is taken from the Rh power and the Y/Y1, Y2, G and O/B
signals are taken from the Rc power.

15
Rc
G
Y1
W1
(AUX1)
O/B
A14501
Fig. 8 -- Terminal Block Release Lever
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in injury or death.
Before installing thermostat, turn off all power to equipment.
There may be more than one power disconnect.
!WARNING
If you need help with the wiring, refer to the wiring diagrams at the
back of this guide.

16
System wiring diagrams covered are:
dConventional heating and cooling systems
dHeat pumps (air or geothermal)
dBoilers or radiant heat systems
dAccessory devices: dehumidifiers, humidifiers, or ventilators
Attach thermostat
Push any excess wires back into the wall, and connect the thermostat
to the backplate.
Step 5. Power On the HVAC System
Power back on the HVAC equipment. The thermostat will
automatically power on. It is recommended to have the homeowner’s
Wi--Fi password handy in order to complete setup.
Follow the on--screen instructions. The thermostat software will guide
you through the setup, which includes:
dEquipment configuration (HVAC and accessories)
dSetting preferences
dConnectingtoWi--Fi
dRegistering the thermostat to the online web portal
NOTE: The settings can be changed at any time from the menus.
Congratulations, you’re done!

17
TROUBLESHOOTING
If your thermostat does not power on, please check the following:
1. Check that all wires are properly inserted into the terminal blocks at
the thermostat. Tug lightly on the wires to ensure they are not loose.
2. Ensure you turned the power back on to the equipment either the
switch at the indoor equipment or the electrical panel (where you orig-
inally turned off the equipment).
3. If your device still doesn’t power on check the AC voltage between
Rc and C or Rh and C and ensure it is 24V AC.
FEATURES
The Bryant Housewise thermostat has a touch screen and interface
similar to that used in smart phones.
Accessing your web portal
Register the Bryant Housewise thermostat at
www.Bryant.com/myhome to control it from your smartphone, tablet
or desktop, and to access free online energy management tools.
Downloading the app
Control the thermostat from your smart phone. The thermostat
supports both iOS and Android devices. Find the app at
www.Bryant.com/myhome.