Honeywell RLV4305 Programmable Thermostat Owner’s Manual
2
Away temperature
Set the temperature you wish to use when the thermostat is in Away mode
(see page 6).
3
Daylight Saving Time
When the Daylight Saving Time function is enabled (On), the thermostat au-
tomatically switches to Daylight Saving Time on the second Sunday of March
and to normal time on the first Sunday of November.
4
Year, Month, Day
These parameters are available only if the Daylight Saving Time function is
enabled (On).
5
Early Start
Early Start is used in Automatic mode only. When Early Start is enabled (On),
the thermostat determines when to start heating so the desired temperature
is attained at the beginning of Wake and Return periods. When Early Start is
disabled (Off), heating starts only at the beginning of Wake and Return peri-
ods; thus there is a delay before you reach the desired temperature.
6
Keypad lock
The settings are locked. The temperature adjustment buttons only allow you
to view the temperature setpoint.
Troubleshooting
Your thermostat requires little or no attention. Most problems can generally
be traced to the following:
Problem
Solution(s)
Thermostat is hot.
This condition is normal. Ensure that the heater capacity does not
exceed the thermostat’s maximum load.
Wrong temperature is
displayed.
Correct it if any of the following situations exists:
• The thermostat is exposed to an air draft.
• The thermostat is located near or above a heat source such as a
light dimmer
Wrong time is displayed. The thermostat was without power for more than 5 hours.
Temperature does not Check that the thermostat is in Automatic mode.
change according to the Check the schedule and clock settings. If the thermostat is
programmed schedule.
configured in 12-hour format, ensure that PM appears on the screen
when afternoon times are displayed.
LP appears on the
The thermal circuit breaker in the heater is opened.
screen or the screen is
This can happen if the heater is obstructed by furniture or curtain
blank despite there is no and has overheated, or if the thermal circuit breaker is defective or
power outage.
too sensitive.
The settings cannot be
changed.
The settings are locked (see page 7).
8
| General | Details |
|---|---|
| Name | Honeywell RLV4305 Programmable Thermostat Owner’s Manual |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.53 MB |
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