beelzerob
Senior Member
So I've determined that I have a York Affinity series 3S heat pump, and I've found a user's manual and also some technical data...but nothing clear that can answer these issues from the RCS TR-15 thermostat installation manual:
1) Jumper JP2 is facotry installed for common transformer heating/cooling systems. For separate RC and RH transformer systems, cut jumper JP2.
2) Most heat pump systems are designed to work normally in the heating mode and require a change over output for cooling. Set dipswitch SW1-3 to the CO/CL position (OFF-default) for this type system. Check your HVAC system requirements for correct settings. If your system requires change over with heating, set SW1-3 to the CO/HT position (ON).
Of course, the installer isn't in this weekend, so it's either get help from the community figuring out which way to set those things, or wait until Monday.
1) Jumper JP2 is facotry installed for common transformer heating/cooling systems. For separate RC and RH transformer systems, cut jumper JP2.
2) Most heat pump systems are designed to work normally in the heating mode and require a change over output for cooling. Set dipswitch SW1-3 to the CO/CL position (OFF-default) for this type system. Check your HVAC system requirements for correct settings. If your system requires change over with heating, set SW1-3 to the CO/HT position (ON).
Of course, the installer isn't in this weekend, so it's either get help from the community figuring out which way to set those things, or wait until Monday.
