© 2017 Robertshaw Climate 844-362-4822 Page 1
250063-00
RS456-WIFI
Installation Instructions
DESCRIPTION
The RS456-WIFI is a powerful new offering of the RS-Connect™ connected environment. This powerful new eco-
structure gives contractors simple and fast installations for connected products, proactive methods to stay in touch with
their customers, and grow their business. The RS456-WIFI Module replaces the battery compartment to provide
communication capability (C-wire required or use a RS-PWIRE). The module is compatible with ALL RS4000, RS5000,
and RS6000 series thermostats ever built. The module can be used as an upgrade to existing installations or in a new
installation. Compatible models include all variants of the RS4110, RS4220, RS4320, RS5110, RS5220, RS6110,
RS6220 and RS6320.
THERMOSTAT INSTALLATION
Follow the thermostat installation instructions for 24VAC power (
not
battery power).
NOTE: The thermostat MUST be powered by 24VAC in order for the RS456-WIFI module to work. The ‘C’ common wire
must be connected at the thermostat and at the equipment.
For existing installations where the thermostat is powered by 2xAA batteries and there is no extra wire for connection the
‘C’ common wire, install a Robertshaw Climate RS-PWIRE Phantom Wire™ kit.
Wi-Fi MODULE INSTALLATION
1) Turn power off for HVAC unit at the breaker.
2) Remove the thermostat faceplate
3) Install the RS456-WIFI module into the
base of the faceplate, sliding up from the bottom
until the connector firmly mates with the circuit
board tab sticking down in the bottom of the thermostat.
The module will snap into place.
4) Reconnect the faceplate onto the backplate.
5) Turn power on for the HVAC unit.