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Honeywell RLV3100 Digital Thermostat Installation Guide

This is a legacy product document  
supported by Resideo. It is no  
longer manufactured  
Digital  
Non-programmable  
Thermostat  
RLV3100  
Owner’s Manual  
Read and save these  
instructions.  
For help please visit  
yourhome.honeywell.com  
Application  
The RLV3100 thermostat can be used to control an electric heating system such as an  
electric baseboard heater, a radiant ceiling, a radiant floor, a convector, etc.  
The thermostat cannot be used with the following:  
•
•
•
•
•
a resistive load under 2 A  
a resistive load over 12.5 A  
Temperature display  
systems driven by a contactor or a relay (inductive load)  
fan-forced heating systems  
central heating systems  
Supplied Parts  
Percentage of  
heating time *  
•
•
•
One (1) thermostat  
Two (2) 6-32 mounting screws  
Two (2) solderless connectors  
100%  
75–99%  
50–74%  
25–49%  
1–24%  
M35686  
Temperature adjustment  
buttons  
* The thermostat displays the percentage of heating time required to maintain the desired  
temperature. For example, is displayed when heating is activated 40 percent of the time.  
GeneralDetails
NameHoneywell RLV3100 Digital Thermostat Installation Guide
MakeHoneywell
LanguageEnglish
FiletypePDF (Download)
File size0.82 MB
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Honeywell RLV3100 Digital Thermostat Installation Guide
Get the free PDF manual for the Honeywell RLV3100 Digital Thermostat Installation Guide and access setup steps, usage instructions, and troubleshooting tips. 👉 View online or download now to keep your thermostat running smoothly!

Honeywell RLV3100 Manual: Questions and Answers

Honeywell RLV3100 specifications

Power supply240 VAC, 60 Hz
Maximum load3000 W
Setpoint range40 to 85°F (5 to 30°C)
Display range32 to 122°F ( 0 to 50°C)
Storage temperature-4 to 120°F (-20 to 50°C)

Full specifications, page 5

What wire connections does the Honeywell RLV3100 have?

The thermostat has two tinned copper wires for line and load connections. The wires are not polarized, so either wire can connect to power or load. Installation Guide, p. 2

What is the minimum resistive load the Honeywell RLV3100 supports?

2 A. Installation Guide, p. 5

Why does the display on my Honeywell RLV3100 look faded when heating is activated?

The heating system load is below the minimum requirement of 500 W (2 A resistive only). This thermostat cannot operate below that rating. Installation Guide, p. 5

What temperature range can the Honeywell RLV3100 display show?

32 to 122°F (0 to 50°C). Installation Guide, p. 5

How does the Honeywell RLV3100 setpoint range compare to its display range?

Display range is 32 to 122°F (0 to 50°C), but setpoint range is narrower at 40 to 85°F (5 to 30°C). Installation Guide, p. 5

Why does the Honeywell RLV3100 display disappear and reappear after a few minutes?

The thermal protection device on the heater opened temporarily. This occurs when the heater is blocked by furniture or curtains and overheats, or when the device is too sensitive. Installation Guide, p. 5

Honeywell RLV3100 compared with other Honeywell thermostats

SpecificationHoneywell RLV3100Honeywell RLV3150Honeywell RLV4300Honeywell RLV4305
Power supply240 VAC, 60 Hz240 VAC, 60 Hz120/240 VAC, 60 Hz120/240 VAC, 60 Hz
Maximum load3000 W12.5 A (resistive only) 3000 W @ 240 VAC12.5 A (resistive only)14.6 A (resistive only)
Setpoint range40 to 85°F (5 to 30°C)5.0°C to 30.0°C (41°F to 86°F)5.0°C to 27.0°C (41°F to 81°F)41 °F to 86 °F (5.0 °C to 30.0 °C)
Display range32 to 122°F ( 0 to 50°C)0°C to 50.0°C (32°F to 122°F)0°C to 50.0°C (32°F to 99°F)32 °F to 99 °F (0 °C to 50.0 °C)
Storage temperature-4 to 120°F (-20 to 50°C)-20.0°C to 50.0°C (-4°F to 122°F)-20.0°C to 50.0°C (-4°F to 120°F)-4 °F to 120 °F (-20 °C to 50 °C)

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