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Honeywell RLV4305 Programmable Thermostat Owner’s Manual

Programmable  
Thermostat  
RLV4305A1000  
Owner’s Manual  
Read and save these  
instructions.  
For help please visit  
honeywellhome.com  
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 RLV4305 Programmable Thermostat Owner’s Manual
MakeHoneywell
LanguageEnglish
FiletypePDF (Download)
File size0.53 MB
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Honeywell RLV4305 Programmable Thermostat Owner’s Manual
Get the free PDF manual for the Honeywell RLV4305 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 RLV4305 Manual: Questions and Answers

Honeywell RLV4305 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's the difference between Away and Standby modes on the Honeywell RLV4305?

Away mode lowers temperature to 59°F for extended absences. Standby disables heating entirely, maintaining only frost protection at 41°F. Owner's Manual, p. 6

What do the Up and Down buttons do on the Honeywell RLV4305?

Press once to view setpoint for 5 seconds. Press repeatedly to adjust temperature or modify schedule parameters. Owner's Manual, p. 5

Can the Honeywell RLV4305 work with both 120 V and 240 V supply?

Yes. The thermostat operates on 120/240 VAC, 60 Hz supply. Owner's Manual, p. 9

How do I reset the Honeywell RLV4305 to factory settings?

All parameters except clock settings return to default values when reset.

  1. Press the Mode button until Standby appears on the screen.
  2. Press the button for 6 seconds.
  3. The display will show rSt for 2 seconds, then return to normal. Owner's Manual, p. 9

Why is the Honeywell RLV4305 display showing HI?

The measured temperature is above the display range of 32 °F to 99 °F. Owner's Manual, p. 9

Where should I install the Honeywell RLV4305 in my home?

Mount it about 5 feet high on an inside wall facing the heater, away from drafts, dead air spots, direct sunlight and chimneys or stove pipes. Owner's Manual, p. 2

Does the Honeywell RLV4305 display light up when I press a button?

The backlit screen illuminates for 12 seconds whenever you press any button. Owner's Manual, p. 4

Honeywell RLV4305 compared with other Honeywell thermostats

SpecificationHoneywell RLV4305Honeywell 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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