Honeywell Non-Programmable Thermostat RTH5160D1003 Installation Guide
RTH5160 Series
Non-Programmable
Thermostat
Heat On
RTH5160D1003
Menu
Fan Auto
Quick Installation Guide
Included in your box
Screws and
anchors
RTH5160
Thermostat
UWP™
Mounting
System
(UWP)
Quick Install Guide
Tools you will need
Tools you may need
Phillips screwdriver
Wire stripper
Small flat head screwdriver
Pencil
Drill and
drill bit
Needle-nose pliers
Level
| General | Details |
|---|---|
| Name | Honeywell Non-Programmable Thermostat RTH5160D1003 Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1.1 MB |

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Honeywell RTH5160D1003 Manual: Questions and Answers
Can the Honeywell RTH5160D1003 automatically switch between heating and cooling?
Yes. Set System Setup option 300 (System Changeover) to 1 for Automatic mode. This lets the thermostat maintain desired temperature by controlling both systems. Set it to 0 for Manual if you prefer to control heating or cooling independently. Installation Guide, p. 9
What do alert codes 170, 173, 405, and 407 mean on Honeywell RTH5160D1003?
| Code | Alert |
|---|---|
| 170 | Internal Memory Error. Replace the thermostat. |
| 173 | Thermostat Temperature Sensor Error. Replace the thermostat. |
| 405 | Low Battery Alert. Replace batteries within two months. |
| 407 | Critical Low Battery. Replace batteries as soon as possible. |
What do the terminal labels on the thermostat mean?
Each terminal accepts wires for specific heating and cooling functions. Record the wire color at each terminal before disconnecting to ensure proper reconnection.
| Terminal | Function |
|---|---|
| R or RH or RC | Power supply wires |
| Y | Cooling |
| G | Fan |
| C | Common (does not power display; batteries required) |
| W or W2 or AUX | Heating or auxiliary heating |
| E or K | Emergency heat or adapter wire |
What's the difference between setting the R-switch up versus down on the Honeywell RTH5160D1003?
Set R-switch up for one R-wire (R, Rh, or Rc). Set it down for two R-wires (R or Rh, and Rc). Installation Guide, p. 5
Which drill bit size does the RTH5160D1003 require for wall anchors?
Use a 7/32" drill bit for red anchors or a 3/16" drill bit for yellow anchors. Installation Guide, p. 5












































