Robertshaw RS6220 Installation Manual download pdf (Page 3)

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.

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

Mounting Holes

Wire Opening

RH/R

1 2 3 4 5 6 7 8 ... 13 14

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Robertshaw RS6220 Installation Manual Page 3