Honeywell RTH3100C Support Question
Honeywell RTH3100C Support Question
Find answers below for this question about Honeywell RTH3100C.Need a Honeywell RTH3100C manual? We have 1 online manual for this item!
Question posted by randypruett63 on July 8th, 2014
'set To' Temp. Number Blinking.
What causes the "set to" number to blink rapidly on the display screen. The system will only operate when I switch it from "auto" to "on". I have replaced the batteries in the thermostat as well as flipped all of the breakers.
Current Answers
Related Honeywell RTH3100C Manual Pages
Owner's Manual - Page 1
RTH3100C
Non-Programmable Digital Thermostat
Installation Guide
69-1889EF-1
Owner's Manual - Page 3
... 2 Pre-installation checklist 3
Old thermostat removal Remove old thermostat 5 Identify and label wires 6
New thermostat installation Wallplate mounting 8 Wire connections 11 Battery installation 13 Thermostat mounting 14
RTH3100C
System setup How to change settings 15 Set auxiliary heat cycle rate 16 Set emergency heat cycle rate 17 Set temperature display 18
Appendices In case of...
Owner's Manual - Page 4
... following pages. Installation tips
• Have everything you need ready to match your new thermostat to go before you 've never done it before! Just follow the simple, step-by... steps
• Label wires and remove your old thermostat (see pages 5-7). • Install and wire your new thermostat (see pages 8-14). • Set your heating/cooling system
(see page 7).
Installation...
Owner's Manual - Page 5
APrbeo-uintsytoaullratnieown cthercmkloissttat
Check to make sure your package includes the following items:
RTH3100C
RTH3100C thermostat (wallplate attached to back)
Operating Manual
Wall anchors and mounting screws
(2 each)
Wire Labels
Owner's Manual - Page 7
Old thermostat
Cover
Turn off power at heating/cooling system (or fuse/circuit-breaker panel). 2. RTH3100C
Leave wallplate in place. Remove your old thermostat
1. Is there a sealed tube containing mercury? If so, see inside front cover of this manual for proper disposal instructions.
Remove cover and thermostat, but leave wallplate with wires attached.
Owner's Manual - Page 8
Installation Guide
Identify wires you will not use unconnected wires.
Do not use
If any wires are not attached to terminals in your old thermostat, do not connect them to your new thermostat. Wrap the bare metal ends of each unused wire with electrical tape, so it cannot touch and short out other wires.
Owner's Manual - Page 9
...label matching the letter on your old thermostat. (Adhesive labels are supplied in your thermostat package.) Remove the old wallplate only after... all wires are labeled. Do not let wires fall into wall opening .
E
IGNORE WIRE COLORS: Use only letter designations to disconnect wires one by one.
As you disconnect each wire. RTH3100C...
Owner's Manual - Page 11
RTH3100C
3. Pull wires through wallplate.
2. Level wallplate if desired (lay level across tabs).
Mark positions of both screw holes.
AMbaoruktwyaolulprlanteewmthoeurnmtinosgtaptosition
1.
Owner's Manual - Page 13
Connect wires (typical installation)
1. Use a screwdriver to loosen screw terminals, insert wires, then tighten screws.
3. If labels do not match letters on terminal.
2.
Push any excess wire back into the wall opening.
Labels don't match? Match each labeled wire with same letter on thermostat, see next page.
11
RTH3100C
Owner's Manual - Page 14
... C terminal.
Installation Guide
Connect wires (less common wire designations)
If labels do not match thermostat letters, check the chart at right (see notes, below).
If another wire is attached to...4
3
3
2
E Aux Y
G
O
or
or
or
or
X W Y1 F
X2 W1 M
W2
If the old thermostat had both O and B wires, attach the B wire to connect terminals E and Aux.
1
2
2
LR
B
C
or
or
...
Owner's Manual - Page 15
Install batteries
Install two fresh AA alkaline batteries in back of thermostat 13 RTH3100C
Back of thermostat.
Owner's Manual - Page 16
TIP: If wires interfere when you try to mount the thermostat, push excess wire back into place.
2. Installation Guide
Mount thermostat and restore electrical power
1. Wallplate Thermostat
14
Restore electrical power at the heating/cooling system, or at the fuse/circuit-breaker panel. Align the 4 tabs on the wallplate with corresponding slots on the back...
Owner's Manual - Page 17
RTH3100C
System setup (set thermostat to match your system)
Next, you must set the thermostat to change settings. Press and hold the s and t buttons until the display changes. Press t to control the heating and cooling system in your home. Function number
6
Setting
Setup
5
To begin, press and hold the s and t buttons to enter system setup.
Press s to advance to exit...
Owner's Manual - Page 18
... select your auxiliary heating system and optimize its operation:
5 For gas or oil furnaces of less than 90% efficiency
1 For steam or gravity systems 3 For hot water systems & furnaces of over 90%
efficiency 9 For electric furnaces
When finished, press to advance to change setting. Installation Guide
Function 6: Auxiliary heat cycle rate
Setup...
Owner's Manual - Page 19
... select your emergency heating system and optimize its operation:
9 For electric furnaces 1 For steam or gravity systems 3 For hot water systems & furnaces of over 90%
efficiency 5 For gas or oil furnaces of less than 90%
efficiency
When finished, press to advance to change setting. RTH3100C
Function 8: Emergency heat cycle rate
Setup
89
Press...
Owner's Manual - Page 20
When finished, press and hold both buttons to change setting.
Installation Guide
Function 14: Temperature display
Setup
14 0
Press the t button to select Fahrenheit or Celsius temperature display:
0 Fahrenheit temperature display (°F) 1 Celsius temperature display (°C)
Press to exit and save changes.
18
Owner's Manual - Page 21
... the Inside temperature.
• Check circuit breaker and reset if necessary. • Make sure heating & cooling power switches are correctly installed
(see page 13). Heating or cooling system does not respond
• Set system switch to Cool.
In case of difficulty
RTH3100C
If you have difficulty with your thermostat, please try the following suggestions. Most problems...
Owner's Manual - Page 22
..." is engaged.
"Cool On" or "Heat On" is flashing
• Compressor protection feature is not displayed
• Set the System switch to Heat, and set the temperature level above the current room temperature.
• Set the System switch to Cool, and set to acceptable ranges: • Heat: 40° to 90°F (4.5° to 32°C). •...
Owner's Manual - Page 23
... Honeywell Customer Care toll-free at 1-800-468-1502.
Accessories/replacement parts
To order, please call Honeywell Customer Care toll-free at bottom to remove thermostat from wallplate. Cover plate Part No. 50002883-001 *Use to find model number and date code. RTH3100C
For assistance with this product, please visit http://yourhome.honeywell.com...
Owner's Manual - Page 25
... OF ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS HEREBY LIMITED TO THE ONE-YEAR DURATION OF THIS WARRANTY. RTH3100C
1-year limited warranty
INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER...
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