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Honeywell RLV4305A1000 Programmable Thermostat Owner’s Manual

Programmable  
Thermostat  
RLV4305A1000  
am  
Owner’s Manual  
Read and save these  
instructions.  
For help please visit  
honeywellhome.com  
M38836  
Application  
This thermostat is designed to control an electric heating system such as a baseboard  
heater, a radiant ceiling, a convector or a fan-forced heater.  
The thermostat CANNOT be used with:  
• a resistive load under 0.83 A  
• a resistive load over 14.6 A  
• a system driven by a contactor or a relay (inductive load)  
• a central heating system.  
WARNING Electrical Shock Hazard.  
This thermostat is a line voltage control (120–240 Volts). Do not install it if you  
are not completely familiar with house wiring. If handled improperly, there is risk  
of electric shock hazard, which may cause serious injury or death.  
Do you need assistance? We are here to help.  
Call 1-800-831-2823 for wiring assistance before returning the  
thermostat to the store.  
GeneralDetails
NameHoneywell RLV4305A1000 Programmable Thermostat Owner’s Manual
MakeHoneywell
LanguageEnglish
FiletypePDF (Download)
File size0.44 MB
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Honeywell RLV4305A1000 Programmable Thermostat Owner’s Manual
Get the free PDF manual for the Honeywell RLV4305A1000 Programmable Thermostat Owner’s Manual and access setup steps, usage instructions, and troubleshooting tips. 👉 View online or download now to keep your thermostat running smoothly!

Honeywell RLV4305A1000 Manual: Questions and Answers

Honeywell RLV4305A1000 specifications

Power supply120/240 VAC, 60 Hz
Maximum load14.6 A (resistive only)
Setpoint range41 °F to 86 °F (5.0 °C to 30.0 °C)
Display range32 °F to 99 °F (0 °C to 50.0 °C)
Storage temperature-4 °F to 120 °F (-20 °C to 50 °C)

Full specifications, page 9

What does the am symbol mean on a Honeywell RLV4305A1000 display?

The am indicator shows that the thermostat is in Automatic mode, where temperature adjusts by time of day. Owner's Manual, p. 5

Can I use the Honeywell RLV4305A1000 with a fan-forced heater system?

Yes. Set the Fan parameter to Yes in the advanced settings menu to prevent premature motor burnout. Owner's Manual, p. 7

What do the mode indicators mean on a Honeywell RLV4305A1000?

ModeMeaning
AutoTemperature adjusts by programmed period
ManManual temperature control only
AwayPreset low temperature for extended absence
StandbyHeating disabled except frost protection at 41°F

Owner's Manual, p. 6

What do error codes E1 and E2 mean on the Honeywell RLV4305A1000?

Sensor error reduces thermostat performance.

CodeMeaning
E1Sensor error, thermostat performance reduced
E2Sensor error, thermostat performance reduced

Owner's Manual, p. 9

How do I use the Up and Down buttons on the Honeywell RLV4305A1000?

Raise the setpoint with Up, lower it with Down. Use them to turn the heater on and off during installation verification. Owner's Manual, p. 3

What's the difference between the Hour and Min buttons on the Honeywell RLV4305A1000?

ButtonPurpose
Hour buttonSets the hours on the clock
Min buttonSets the minutes on the clock

Owner's Manual, p. 4

How long does the backlit screen stay on for the Honeywell RLV4305A1000?

12 seconds after pressing any button. Owner's Manual, p. 4

Honeywell RLV4305A1000 compared with other Honeywell thermostats

SpecificationHoneywell RLV4305A1000Honeywell RLV3100Honeywell RLV3150Honeywell RLV4300
Power supply120/240 VAC, 60 Hz240 VAC, 60 Hz240 VAC, 60 Hz120/240 VAC, 60 Hz
Maximum load14.6 A (resistive only)3000 W12.5 A (resistive only) 3000 W @ 240 VAC12.5 A (resistive only)
Setpoint range41 °F to 86 °F (5.0 °C to 30.0 °C)40 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)
Display range32 °F to 99 °F (0 °C to 50.0 °C)32 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)
Storage temperature-4 °F to 120 °F (-20 °C to 50 °C)-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)

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