MODEL CA8900 Z-Wave®
Digital Thermostat
Installation and User Instructions
Description and Features
The CA8900 is a digital thermostat that can be con- trolled wirelessly with
The CA8900 Wireless Thermostat provides
mented. Each module in a
to their destination by the most reliable pathway. When
•This thermostat can be used with all 24VAC heat- ing and cooling systems. It cannot be used with line voltage systems.
•The CA8900 is digital and your desired heat or cool temperatures can easily be set on the large screen with the TEMP UP (+) and TEMP DOWN
•A minimum
•This thermostat uses a new technique called sequen- tial staging for more comfort with faster reaction to requested temperature changes.
NOTE: When using a heat pump with auxiliary heat, if the heat pump cannot keep up and/or is defective, remove jumper from position 2B and put jumper on position 2A. This will make the auxiliary heat your only source of heat. Be sure to restore it to PUMP when the pump is again operational, as auxiliary heat is more expensive than pump heat. For more information, see page 3.
This guide is in two parts:
•Part One: Operating Guide — for the homeowner or end user.
•Part Two Installing Guide — for the installer or technician.