Pentax RLV3120, RLV3120A Owner's Guide
RLV3120
Non-programmable Thermostat
Owner’s
Guide
Need Help?
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or call Honeywell Customer Care toll-free at 1-800-468-1502.
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RLV3120
Table of contents
About your new thermostat .....................................................................1
Temperature display and setting .............................................................2
Removing the faceplate........................................................................... 3
Wiring ......................................................................................................4
Installing the faceplate.............................................................................5
Selecting the temperature display format................................................6
In case of difficulty...................................................................................7
Specifications ..........................................................................................8
1-year limited warranty............................................................................ 9
Owner’s Guide
About your new thermostat
This thermostat can be used to control an electric heating system such as a
baseboard heater or a convector.
The thermostat CANNOT be used with:
• a resistive load under 0.83 A
• a resistive load over 8.3 A
• a system driven by a contactor or a relay (inductive load)
• a fan-forced heating system (e.g. : fan-forced convector)
• a central heating system
SUPPLIED PARTS
• One (1) thermostat
• Two (2) 6-32 mounting screws
• Two (2) solderless connectors
1
Temperature display and setting
Temperature display
Heating intensity
indicator
(No image appears
when heating is off.)
Up button
Down button
Appears when the
setpoint is displayed
The thermostat normally displays the actual (ambient) temperature.
• To view the setpoint temperature, briefly press the Up or Down button. The setpoint will be
displayed for 5 seconds.
• To change the setpoint temperature, press the Up or Down button until the desired value is
displayed.
2
RLV3120
Owner’s Guide
Removing the faceplate
TURN OFF POWER OF THE
HEATING SYSTEM AT THE
MAIN POWER PANEL TO
AVOID ELECTRIC SHOCK.
Loosen the screw holding the
faceplate to the base. The
screw cannot be completely
removed and remains captive
on the base. Remove the
faceplate from the base by
pulling the bottom half.
3
Wiring
2-wire installation
4-wire installation
Power supply
Power supply
Connect either one of the
thermostat wires to the
heater wire and the other
one to the power supply
wire using solderless
connectors for copper
wires.
NOTE: All cables and
connections must conform
to the local electrical code.
Special CO/ALR solderless
connectors must be used
when connecting with
aluminium conductors.
RLV3120
4
Owner’s Guide
Installing the faceplate
Install the base onto an
electrical box.
Reinstall the faceplate on
the base and secure it in
place with the screw.
NOTE: Keep the air vents of thermostat clean and unobstructed at all times.
5
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