Young Regulator T-720 Series User manual

T-720 Installation Manual
T-720A: PROGRAMMED AT THE FACTORY FOR AUTO CHANGEOVER
T-720B: PROGRAMMED AT THE FACTORY FOR COOLING ONLY
·Open the thermostat by pulling on the
bottom side of the front cover
·Swing open the internal PCB to the left by
pressing the PCB locking tabs
·Pull out cables 6" from the wall
·Insert cable in the central hole of the base
·Align base and mark the location of the two
mounting holes paying particular attention to
orienting the proper side of the base up
·Install anchors in the wall and insert screws in
mounting holes on each side of the base
·Gently swing the circuit board back into the
base until the tabs lock it in place

·Strip each wire 1/4 inch from end
·Insert each wire per enclosed wiring
schematic
·Terminal strips are removable for ease of
assembly
·Gently push excess wiring into the hole
·Reinstall terminal strips in their correct
location
·Reinstall the front cover (top side first) and
install security screw
·The T720A Sensor is supplied with a grommet
for installation in a 9/32" diameter hole.
December 2014