Carrier PTACSTAT-NP-HP Installation & Operating Manual

Contents

Carrier PTACSTAT-NP-HP Installation & Operating Manual Manual pdf 11 page image

1111. Close thermostat assembly making sure pins on back of circuit boardalign with sockets in connector.12. Turn ON power to unit.When power is applied, all display icons are lit for 2 seconds to test the display.Following this, the equipment type for which the thermostat is configured isdisplayed for an additional 2 seconds. It will be one of PH or PC (if HP, AC, H or Cis displayed, the thermostat is configured incorrectly to operate a PTAC). Seeexplanation under Step 3, Option 01 below. A heat pump thermostat, configured tooperate a HeatCool unit (see Option 1 below), will display PC. A HeatCoolthermostat cannot be configured to operate a HeatPump unit.NOTE: If a common wire has not been connected, two AA batteries must beused to power the thermostat.Step 3 — Set Thermostat ConfigurationConfiguration options enable the installer to configure the thermostat for a particularinstallation. These must be set correctly to insure proper PTAC operation. Followingis a list of the options available, an explanation of their function, and their factorydefault settings.Configuration Options -- Summary:Option 01 -- Equipment typeOption 03 -- Fahrenheit/CentigradeOption 04 -- Unused for PTACOption 07 -- Unused for PTACOption 10 -- Reversing valve (HP only)Option 11 -- Minimum deadband between heating and cooling setpointsOption 13 -- Room air temperature offset adjustmentOption 16 -- Maximum cycles per hour