Honeywell Home T6 PRO Smart, TH6320WF, TH6220WF User Manual
T6 Pro Smart
33-00392-07
Programmable Thermostat
TH6320WF, TH6220WF
Professional Install
Guide
Package Includes:
• T6 Pro Smart Thermostat
• UWP™ Mounting System
• Standard Installation Adapter (J-box
adapter)
• Decorative Cover Plate – Small;
size 449/64 in = 121 mm
• Screws and anchors
• Professional Install Guide
• Getting Started Guide
Search for local rebates: HoneywellHome.com/Rebates
*TH632 0WF2003 depicted. Other mo dels may va ry.
Following Schedule
Mode
Heat
Wake Away HomeSleep
Menu FanMode
PM
Fan
Auto
Read before installing
Compatibility
• Compatible with most heating, cooling, and heat pump systems
• Required: 24 VAC power (“C” wire)
• Input: 24 V ~ @ 60 Hz, 1 A
• Does not work with electric baseboard heat (120V240V)
• Does not work with millivolt systems
• Android or iOS smartphone or tablet
Customer assistance
WEB customer.resideo.com
PHONE 18006333991
2
4
UWP Mounting System installation
1. Open package to find the UWP. See
1
Figure 1.
2. Position the UWP on the wall. Level and
mark hole positions. See Figure 2.
Drill holes at marked positions, and
then lightly tap supplied wall anchors
into wall using a hammer.
3
‒ If your box contains red anchors, drill
7/32” holes for drywall. If your box
contains yellow anchors, drill 3/16”
holes for drywall.
3. Pull the door open and insert wires
through wiring hole of the UWP. See
Figure 3.
4. Place the UWP over the wall anchors.
Insert and tighten mounting screws
supplied with the UWP. Do not
overtighten. Tighten until the UWP
no longer moves. Close the door. See
Figure 4.
Optional Decorative Cover Plate installation
2
4
Use 3x supplied
screws (#8 11/2
for red anchors and
#6 11/2 for yellow
anchors)
Use the Optional Cover Plate when:
• Mounting the thermostat to an
electrical junction box
• Or when you need to cover paint gap
from the old thermostat.
5. Separate the Junction Box Adapter
from the Cover Plate. See Figure 5.
6. Mount the Junction Box Adapter to
the wall or an electrical box using any
of the eight screw holes. Insert and
tighten mounting screws supplied with
Cover Plate Kit. Do not overtighten.
Make sure the Adapter Plate is level.
See Figure 6.
7. Attach the UWP by hanging it on the
top hook of the Junction Box Adapter
and then snapping the bottom of the
UWP in place. See Figure 7.
8. Snap the Cover Plate onto the
Junction Box Adapter. See Figure 8.
5
6
Use 2x
supplied
screws
#6 5/8”
(15.8 mm)
8
2
7
Wiring UWP
Push down on the tabs to put the wires into the inner holes of their corresponding termi nals
on the UWP (one wire per terminal) until they are firmly in place. Gently tug on the wires to
verify they are secure. If you need to release the wires again, push down the terminal tabs
on the sides of the UWP.
This wiring is just an example,
yours may vary.
Terminal designations
Conventional Systems Heat pump systems
Terminal Description Terminal Description
S/S
Y Compressor Stage 1 Y Compressor Stage 1
Y2 Compressor Stage 2 Y2 Compressor Stage 2
G Fan Relay G Fan Relay
C
K*
U/U** Relay for ventilation U/U** Relay for ventilation
A L/A
W Heat Stage 1 O/B
W2 Heat Stage 2 Aux Backup Heat
R 24 VAC Heating transformer R 24 VAC Heating transformer
Rc 24 VAC Cooling transformer Rc 24 VAC Cooling transformer
* The THP90 45A1098 C-wire adaptor is used on heat/cool systems when you only have four wires at
the thermostat and you need a fifth wire for a common wire. Use the K terminal in pl ace of the Y and
G terminals on conventional or heat pump systems to provide control of t he fan and the compressor
through a single wire—the unused wire t hen becomes your common wire . See THP90 45 instructions
for more information.
** Ventilation is not available on all models. When the U slider is in the dow n position (2 wires), the U
contacts are a dr y set of contac ts. If your ventil ation sy stem requires 24 volts, move the U slider to the
up position (1 wire). Lower U ter minal is internally jumped to the Rc terminal . In this application, you
would hook up one wire from your damper to the upper U terminal and the other to the common side of
the transformer.
Input for a wired indoor,
outdoor sensor
24VAC Common wire from
secondary side of cooling
transformer (if 2 transformers)
Connect to K on C-wire
adaptor
S/S
C
K*
E Emergency Heat
Input for a wired indoor,
outdoor sensor
24VAC Common wire from
secondary side of cooling
transformer
Connect to K on C-wire
adaptor
Connect to compressor
monitor
Changeover valve for heat
pumps
3
Setting Slider Tabs
Set R Slider Tab, see Figure 9.
• Use built-in jumper (R Slider Tab)
to differentiate bet ween one or two
transformer systems.
• If there is only one R wire, and it is
connected to the R, Rc, or RH terminal
on the old thermostat, set the slider to
the up position (1 wire).
• If there is one wire connected to the R
terminal and one wire connected to the
Rc terminal, set the slider to the down
position (2 wires).
Set U Slider Tab, see Figure 10.
• Use built-in jumper (U Slider Tab) of
relay to wire ventilation. Please note
that ventilation is not suppor ted on all
models.
• When the U Slider Tab is in the down
position (2 wires) the U contacts are a
dry set of contacts.
• If the ventilator is powered by the
cooling transformer, move the jumper
switch to the up position (1 wire). With
this switch set to 1 wire, the lower U
terminal is internally jumped to the Rc
terminal. In this application, hook up
one wire from the vent damper to the U
terminal and the other to the common
side of the cooling system transformer.
9
10
4
Wiring
NOTES:
1 Available wiring configurations differ by product models/product numbers.
2 Use 18 to 22 gauge thermostat wire. Shielded cable is not required.
3 Set the R Slider Tab on the UWP to the up position (1 wire) for 1 transformer
systems or the down position (2 wires) for 2 transformer systems. See "Setting
Slider Tabs" on page 4.
4 Set the U Slider Tab to the up position (1 wire) for non-powered ventilation or the
down position (2 wires) for powered ventilation. See "Setting Slider Tabs" on page
4.
Conventional systems
1H/1C System (1 transformer)
R Power
Rc [R+Rc joined by Slider Tab]
Y Compressor contactor
C 24VAC common
W Heat relay
G Fan relay
Hot Water Relay Panel
R Power
Rc [R+Rc joined by Slider Tab]
W Heat Relay
C 24VAC common
NOTE: If the panel does not provide 24 volts AC
at R and C, set the slider to down position and
wire a separate transformer to Rc and C.
1H/1C System (2 transformers)
R Power (heating transformer)
Rc Power (cooling transformer)
Y Compressor contactor
C 24 VAC common from cooling transformer
W Heat relay
G Fan relay
2H/2C System (1 transformer)
R Power
Rc [R+Rc joined by Slider Tab]
Y Compressor contactor (stage 1)
C 24VAC common
W Heat relay (stage 1)
G Fan relay
W2 Heat relay (stage 2)
Y2 Compressor contactor (stage 2)
Heat-only System with Fan
R Power
Rc [R+Rc joined by Slider Tab]
C 24VAC common
W Heat relay
G Fan relay
Cool-only System with Fan
R Power
Rc [R+Rc joined by Slider Tab]
Y Compressor contactor
C 24VAC common
G Fan relay
5
Heat pumps systems
1H/1C Heat Pump System
R Power
Rc [R+Rc joined by Slider Tab]
Y Compressor contactor
C 24VAC common
O/B Changeover valve
G Fan relay
2H/1C Heat Pump System
R Power
Rc [R+Rc joined by Slider Tab]
Y Compressor contactor
C 24VAC common
O/B Changeover valve
G Fan relay
Aux Auxiliary heat*
E Emergency heat relay*
L Heat pump fault input
NOTE: If dual fuel, TH6320WF2003
model needed.
2H/2C Heat Pump System
R Power
Rc [R+Rc joined by Slider Tab]
Y Compressor contactor (stage 1)
C 24VAC common
O/B Changeover valve
G Fan relay
Y2 Compressor contactor (stage 2)
L Heat pump fault input
3H/2C Heat Pump System
R Power
Rc [R+Rc joined by Slider Tab]
Y Compressor contactor (stage 1)
C 24VAC common
O/B Changeover valve
G Fan relay
Aux Auxiliary heat*
E Emergency heat relay*
Y2 Compressor contactor (stage 2)
L Heat pump fault input
NOTE: TH6320WF2003 only.
NOTE: Do NOT use W for heat pump applications. Auxiliary heat must wire to AUX or E.
* If you do not have separate wires for the Aux and E terminals, connect the wire to the Aux terminal.
6
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