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Honeywell RLV450 Programmable Thermostat User Guide

RLV450  
PROGRAMMABLE THERMOSTAT  
USER GUIDE  
READ BEFORE INSTALLING  
DESCRIPTION  
INSTALLATION  
Temperature pre-  
set buttons  
WARNING  
TURN OFF POWER TO THE HEATING SYSTEM AT THE MAIN  
POWER PANEL TO AVOID ELECTRICAL SHOCK. THE  
INSTALLATION MUST BE PERFORMED BY AN ELECTRICIAN.  
All cables and connections must conform to the local electrical  
code.  
Indicates that the tem-  
perature setpoint is dis-  
played  
Indicates that the set-  
tings are locked  
Time and day  
Special CO/ALR solderless connectors must be used when  
connecting with aluminum conductors.  
Install the thermostat onto an electrical box.  
Install the thermostat about 5 feet high, on an inside wall facing the  
heater.  
Avoid locations where there are air drafts (such as the top of a  
staircase or an air outlet), dead air spots (such as behind a door),  
or direct sunlight.  
Do not install the thermostat on a wall that conceals chimney or  
stove pipes.  
Set the hour  
Set the minute  
Temperature  
Indicates the current  
mode of operation  
Set the day  
Program the schedule  
Temperature pre-  
set icon  
Skip a period  
Indicates that the  
thermostat is configured  
for a fan-forced heater  
Select the mode of  
operation  
Indicates the  
heating power  
The thermostat wires are not polarized; either wire can be  
connected to the load or to the power supply.  
Indicates the current  
period (appears in auto-  
matic mode only)  
Temperature  
adjustment but-  
tons  
NOTE:  
Always keep the thermostat's vents clean and unobstructed.  
Indicates that the thermostat  
is without power *  
1.  
* LP appears only for the first two minutes when the thermostat is without  
power. This can occur during a power outage or when the thermal protection  
device inside the baseboard heater is opened.  
Fig. 1.  
This programmable thermostat can be used to control an electric heating  
system such as an electric baseboard heater, a radiant ceiling, a radiant floor,  
a convector or a fan-forced heater.  
The thermostat cannot be used with:  
•
•
•
•
a resistive load over 16.7 A  
a resistive load under 2 A  
a system driven by a contactor or relay (inductive load)  
a central heating system  
M38000  
SUPPLIED PARTS:  
•
•
•
One (1) thermostat  
Two (2) 6-32 screws  
Two (2) solderless connectors  
Fig. 2.  
69-2201ES-08  
GeneralDetails
NameHoneywell RLV450 Programmable Thermostat User Guide
MakeHoneywell
LanguageEnglish
FiletypePDF (Download)
File size0.56 MB
Download PDF
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Honeywell RLV450 Programmable Thermostat User Guide
Get the free PDF manual for the Honeywell RLV450 Programmable Thermostat User Guide and access setup steps, usage instructions, and troubleshooting tips. 👉 View online or download now to keep your thermostat running smoothly!

Honeywell RLV450 Manual: Questions and Answers

What's the difference between 15-second and 15-minute cycle settings on the Honeywell RLV450?

15-second cycles provide better temperature control. Select 15-minute cycles only if you have a fan-forced heater. User Guide, p. 2

What does the LP indicator on the Honeywell RLV450 display mean?

LP signals the thermostat has no power. It appears for two minutes during a power outage or when the heater's thermal protection opens. User Guide, p. 1

What does it mean when the FAN word appears on the Honeywell RLV450 display?

FAN indicates that 15-minute cycle mode is selected, which is required for fan-forced heaters. User Guide, p. 2

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