47
IM-HC 599871 0321 RABS
Hardware Set-Up Procedures
X
Release the “+” and “-” buttons.
Z
“– –” is indicated in the display — the thermostat is operative.
4.3.2 Replace Batteries
The service life of thermostat batteries is approximately 2 years.
Replace the battery when the red “connect” LED starts flashing (battery
near depletion).
X
Remove the thermostat from the mounting frame.
“Mounting the Thermostat on a Concealed Socket” on page 42
X
Remove the old alkaline batteries and replace with new alkaline
batteries. Using the incorrect batteries could lead to device failure or
damage.
X
Place the thermostat on the mounting frame and press on it until the
locking tabs of the mounting frame snap home audibly.
Z
“– –” is indicated in the display — the thermostat is operative.
Next, the display changes to show the actual room temperature.
4.3.3 Establishing a 120 V Connection
Beforehand, the thermostat must have been logged in with the control
unit in battery operation.
Ä
more information at Page 44
To switch to power supply via power pack during battery operation,
proceed as follows:
X
At the rear of the thermostat casing, insert the plug of the power
pack at the bottom slot (2-pole plug) until it snaps home.
X
Remove the batteries.
X
Place the thermostat on the mounting frame and press on it until it
snaps home.
Z
You have established the network connection.
Raumthermo
stat
ON 222640
RT C0A44CF7
