Honeywell RLV450 Programmable Thermostat User Guide
RLV450
Using a preset temperature
Table 3.
Description
Period
Setting
The thermostat has 3 preset temperatures:
•
•
•
Comfort temperature
Economy temperature
Vacation temperature
Wake
Leave
Return
Sleep
Table 2.
Intended use
Comfort (when at home)
Icon
Factory setting
70°F (21°C)
The Comfort ( ) temperature is used in periods 1 and 3 and the Economy
( ) temperature is used in periods 2 and 4. For example, when the period
changes from 1 to 2, the setpoint automatically changes from Comfort
setting ( ) to Economy setting ( ).
Economy (when asleep or away from
home)
62°F (16.5°C)
Vacation (during prolonged absence) 50°F (10°C)
You can have a different program for each day of the week; i.e., each period
can start at different time for each day of the week. The thermostat has been
programmed with the following schedule.
•
•
To use the Comfort or Economy temperature, press the or button
respectively. The corresponding icon will be displayed.
To use the Vacation temperature, press both and buttons
simultaneously. The icon will be displayed.
Table 4.
Period Setting MO
TU
WE
TH
FR
SA
SU
6:00
AM
6:00
AM
6:00
AM
6:00
AM
6:00
AM
6:00
AM
6:00
AM
Storing a preset temperature
To store the Comfort or Economy temperature:
Set the desired temperature using the V or W button. Press and hold the
appropriate button ( or ) for approximately 3 seconds until the
corresponding icon is displayed.
8:00
AM
8:00
AM
8:00
AM
8:00
AM
8:00
AM
--:--
--:--
--:--
--:--
6:00
PM
6:00
PM
6:00
PM
6:00
PM
6:00
PM
10:00 10:00 10:00 10:00 10:00 10:00 10:00
PM PM PM PM PM PM PM
To store the Vacation temperature:
Set the desired temperature using the V or W button. Press and hold both
and buttons simultaneously for approximately 3 seconds until the
icon is displayed.
To modify the schedule:
1. Press Pgm to access the programming mode. Period 1 is selected.
2. Press Day to select the day to program (hold for 3 seconds to select
the entire week).
3. Press Hour and Min to set the start time of the selected period, or
press Clear if you want to skip the period (--:-- is displayed).
4. Press Pgm to select another period, or press Day to select another
day. Then repeat step 3.
MODES OF OPERATION
Automatic - The temperature is set according to the programmed
schedule. To place the thermostat in this mode, press the Mode button
until is displayed. The icons of the current period and preset temperature
are also displayed.
5. Press Mode to exit the programming mode.
NOTE:
If no button is pressed for 60 seconds, the thermostat will auto-
matically exit the programming mode.
Temporary Bypass - If you modify the setpoint (by pressing the V, W,
or button) when the thermostat is in automatic mode, the new setpoint
will be used until the end of the current period. When the next period starts,
the temperature set for that period becomes the new setpoint. To cancel the
bypass, press the Mode button.
POWER OUTAGE
During a power outage, LP (Low Power) appears for the first minute. Then
the screen becomes blank. The settings are stored in memory. After initial
installation, product must be connected to power for a minimum of two hours
to enable the power outage feature. However, if the power failure exceeds 4
hours, only the thermostat’s clock must be re-adjusted. When power returns,
the thermostat will return to the mode of operation active prior to the power
failure.
Manual - The programmed schedule is not used. The temperature must
be set manually. To place the thermostat in this mode:
1. Press the Mode button until is displayed.
2. Set the temperature using the V, W,
or button.
SCHEDULE
TROUBLESHOOTING
The schedule consists of 4 periods per day which represents a typical
weekday. You can program the thermostat to skip the periods that do not
apply to your situation. For example, you can skip periods 2 and 3 for the
weekend.
Table 5.
Problem
Solutions
Thermostat is hot.
Under normal operation, the thermostat housing
can reach a temperature between 95°F (35°C)
and 104°F (40°C).
LO is displayed.
The measured temperature is below the display
range. Heating is activated.
3
69-2201ES—08
| General | Details |
|---|---|
| Name | Honeywell RLV450 Programmable Thermostat User Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.56 MB |
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