Maintaining The Batteries - Robertshaw RS4110 Installation Manual

Single stage thermostat
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Installing the Robertshaw Thermostat Base
NOTE: For new installations, mount the thermostat on an inside wall, five feet
above the floor. Do not install behind a door, in a corner, near air vents,
in direct sunlight, or near any heat or steam generating fixtures.
Installation at these locations will affect thermostat operation.
1. Be certain power is off to the heating and cooling systems.
2. Remove the backplate by placing your finger through the wire opening.
Pull the backplate straight out from the body.
3. Place the backplate in position on the wall. Pull the wires through the
wire opening.
4. Hold the backplate level and mark the mounting holes on the wall.
5. Drill the marked holes using a 5 mm (3/16 in.) drill bit.
6. Tap in the wall anchors and secure the base to the wall with the
supplied screws.
NOTE: The thermostats are designed to also mount on a single gang
junction box.
Wire Opening
Providing Power to the Thermostat
To take advantage of the Pop-Up Wizard, power should be applied when the
settings are ready to be entered. Fill in the chart in the Pop-Up Wizard
section before applying power.
These thermostats will run on either two AA batteries or 24 VAC. If the
common wire from the transformer is not available, the unit must be powered
by two AA batteries.
Thermostats with batteries and powered by 24 VAC will continue to function if
the 24 VAC fails.

Maintaining the Batteries

When the batteries are low, the thermostat will enter a low power mode. Low
battery mode has two levels.
• LEVEL 1: The low battery icon will be displayed.
• LEVEL 2: The low battery icon will flash indicating
that THE SYSTEM WILL NOT OPERATE.
Wiring Terminals
RH/R
RC
C
L
Mounting Holes
3
G
O
B
Y1
W1
Y2
W2
E

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Rs5110Rs4220Rs6110Rs5220Rs6220

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