3-7
Module 4 –
Wireless HVAC Thermostats
ST898ZB Optima S Thermostat
Section 3
Heat Pump Options
• If
or
is selected, the following options
are available by pr/-
• Press
to complete setup
• After the initial configuration is complete the Thermostat will display
the Home Screen
• The Thermostat is now ready to be attached to the Mounting Plate
• Align connector pins and retention posts
• Push the Thermostat onto the Mounting Plate
• BE SURE that the connector pins are not bent
• BE SURE that the Thermostat is FULLY SEATED on the Mounting Plate
Turn on the power to the HVAC System .
=
O/B reversing valve terminal energized for cooling
=
O/B reversing valve terminal energized for heating
Step 8.
Attach the Thermostat to the Mounting Plate