White Rodgers UNP300 Wiring diagram

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1-877-654-9394
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For Installation Help
For Installation Help
For Installation Hel
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© 2011 Printed in China
White-Rodgers
8100 West Florissant Avenue
St. Louis, MO 63136
UNP300 Non-Programmable Thermostat
with Home / Sleep / Away Presets
Installation Instructions & User Guide
Congratulations on the purchase of your White-Rodgers™thermostat!
Save these instructions for future use!
Questions? Contact White-Rodgers
™
customer service at 1-877-654-9394

11
ATTENTION: MERCURY NOTICE
This product does not contain mercury. However, this product may replace a
product that contains mercury. Mercury and products containing mercury must
not be discarded in household trash. Do not touch any spilled mercury. Wearing
non-absorbent gloves, clean up any spilled mercury and place in a sealed
container. For proper disposal of a product containing mercury or a sealed
container of spilled mercury, place it in a suitable shipping container.
Refer to www.White-Rodgers.com for location to send product containing
mercury.
These symbols are used throughout this User Guide.
Watch for them to identify:
Cautions
Tips
• Failure to read and follow all instructions carefully before installing
or operating this control could cause personal injury and/or
property damage.
• The thermostat may stop controlling temperature and your house
may freeze or overheat when batteries are too low. Batteries must
be changed when appears on the display.
Part 1: Before Getting Started ...................................................... Page 2
1.1 Check package contents
1.2 Answer questions about source of heating in your home
1.3 Assemble tools
1.4 Turn off power to your heating and cooling system
Part 2: Remove Old Thermostat and Install New Thermostat .... Page 4
2.1 Expose wires connected to old thermostat
2.2 Label and disconnect the wires
2.3 Install new thermostat’s wallplate
2.4 Match and connect wires
2.5 Install additional wiring (for Heat Pumps only)
2.6 Set switches
2.7 Install batteries
2.8 Snap thermostat to the wallplate
Part 3: Quick Setup..................................................................... Page 14
3.1 Get to know your thermostat
3.2 Set fan and system switches
3.3 Select options
3.4 Turn on power to your heating and cooling system
Part 4: Additional Thermostat Features.................................... Page 18
4.1 Set favorite temperatures (home / sleep / away)
4.2 Change batteries
4.3 Activate permanent auxiliary heat (for Heat Pumps only)
4.4 Set keypad lockout
4.5 Set change filter reminder
4.6 Adjust actual temperature display
Part 5: Troubleshooting Guide.................................................... Page 23
Appendix: Heat Pump Identification .......................................... Page 25
TABLE OF CONTENTS

2 3
✔Do you have either oil or gas burning furnace?
✔Do you have a Heat Pump (and is it 1-stage or 2-stage)?*
✔Do you have Hydronic Heating (steam or hot water radiators or
radiant floor heating)?
You will need the following tools:
✔Flat-head screwdriver
✔2 AA alkaline batteries
You may also need:
✔Hammer
✔Drill with 3/16" (4 mm) bit
✔Small pliers to bend wires
Typically, this is achieved by flipping a switch on the outside of the
furnace/air handler to the “OFF” position.
1.2 Answer questions about source of
heating in your home
1.3 Assemble tools
1.4 Turn off power to your heating and
cooling system
*To determine if you have a Heat Pump and/or whether it is
a 1-stage or 2-stage model, see the Appendix on the last page of
the Manual.
Do not turn the system back on until you have
completed the installation and set up of the thermostat.
Part 1 Before Getting Started
1.1 Check package contents
Open the package and verify that the following items are included:
•Thermostat (A) and Wallplate (B)
•Mounting screws and wall anchors (C)
•Wire Labels
•Heat Pump kit (D)
•Installation Instructions and User Guide
Before getting started, please review the following
pre-installation checklist.
If any of the items shown above are missing from your package,
call White-Rodgers™customer service at 1-877-654-9394 before
returning the thermostat to your place of purchase.
Y2 LYGW6W2
C
O/B
HEAT PUMP KIT
A
B
C
D

4 5
C
AUX
GE
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Y
W
RC
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Part 2 Remove Old Thermostat and
Install New Thermostat
Do not disconnect wires from the old thermostat until you
label all the wires according to this manual.
2.1.1After turning off power to your heating & cooling system,
expose wallplate with wires and wire terminals. The required
steps vary depending on your old thermostat type.
2.1 Expose wires connected to
old thermostat
✔The Cover: This usually pulls off, but is sometimes secured by a
screw which must be loosened.
✔The Base: This either pulls off or needs to be removed by loosening
screws under the cover.
✔The Wallplate: This is removed by loosening the screws that hold
the thermostat to the wall.
Your old thermostat may consist of:
•3 parts: a cover, base and wallplate
or
•2 parts: a cover and wallplate
Wallplate
Wallplate
Base
Cover
Cover
3-Part unit
2-Part unit

6 7
✔ Ignore wire colors. There is no standard color code for
thermostat wires.
✔ Ignore existing wire labels, if they are present.
✔ Use the provided labels to label/re-label the thermostat wires.
✔ The new labels must remain on the wires at least until the
installation process is complete.
✔ No two wires can have the same label. wall
C
wall
C
2.1.2 Loosen all screws holding the old thermostat’s wallplate to
the wall.
Do not disconnect the wires from terminals. Allow
the wallplate to hang loosely on the wires.
Wall opening
Wallplate hanging on the wires
2.2.1 Note you may see two types of wiring in the old thermostat:
1. Wires leading from the wall to a
terminal on the thermostat
2. Wires connecting one terminal to
another (jumper wire).
These don’t have to be labeled.
2.2 Label and disconnect the wires
wall