Leviton omnistat 3 Directives D'installation page 4

INSTALLATION
Before installing this thermostat:
1. Read all of the Installation Instructions carefully.
2. Ensure that this product is suitable for your application.
3. Ensure that wiring complies with all codes and ordinances.
4. DISCONNECT POWER TO THE CONTROL TRANSFORMER to prevent
electrical shock and damage to equipment.
5. Select an appropriate location to ensure an accurate temperature reading.
Location
When replacing an existing thermostat, install the RC500-2EW in the same location. If
the existing location doesn't meet the following criteria, choose a new location to mount
the RC500-2EW. When choosing a location for the thermostat:
1. Ensure that the thermostat is mounted 5 feet above the floor and is at least 2 feet
from an outdoor wall.
2. Ensure that the thermostat is located in an area where there is adequate air
circulation.
3. Do not mount in the path of direct sunlight or of radiant heat generated by
appliances.
4. Do not mount on an exterior-facing wall, near a fireplace, or in the path of any air
ducts.
Removing an existing thermostat
1. DISCONNECT THE POWER TO THE CONTROL TRANSFORMER.
2. Remove the cover to the existing thermostat.
3. Disconnect the wires going to each terminal on the thermostat. Label each wire
with the letter or number at the terminal.
4. Remove the existing plate or base from the wall.
NOTE: If replacing an existing thermostat that is larger than the RC500-2EW, the
Leviton RCPLT-00W Thermostat Installation Cover Plate may be used to cover
®
any imperfections left by the previous thermostat. A Leviton RCPLT-00W can be
purchased from your Leviton distributor.
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