Optima S Thermostat
1
I
NTRODUCTION
The Optima S is available in 2 configurations: Standard and Router to the network.
Model
Description
ST898ZB
This model functions as a standard ‘End Device’ and may be powered by
24VAC or battery.
SA898ZBR
This model functions as a Router to the network and will route messages
between devices on the network. Because of the higher level of
communications this model must be powered by 24VAC with a C-wire to
avoid draining the batteries.
I
NSTALLING THE
T
HERMOSTAT
There are five basic steps to installing the thermostat:
1.
Turn off power to the HVAC system.
2.
Determine the wiring configuration.
3.
Install new thermostat, removing old thermostat and mounting the Wall Plate
if required.
4.
Turn power back on to the HVAC system.
5.
Configure the new thermostat.
Please review the separate installation instructions and wiring diagrams in Appendix A
at the end of this manual for installation details.
