Honeywell Thermostats: TH8320R & TH8321R Re: Configure the thermostat for a 2-Stage Geothermal Step 1: Go to "Installer Setup" From the HOME Screen press the MENU tab Scroll down and select "Installer Options" Enter Factory Password Select "Installer Setup" Step 2: Enter Setup...

Climatemaster Heat Pumps Re: Copeland Expansion Valve Issue / AC-Renew Copeland put an additive in their scroll compressors that can cause the expansion valve to become sluggish or unresponsive. AC-Renew can be added to the refrigerant system to counteract the additive. Climatemaster is...