Honeywell Lr1620 Wiring Diagram. I have an old honeywell lr thermostat control. Migration from honeywell lr1620 class 2 to google nest diy home improvement forum guide wiring connections for room thermostats need help doityourself com community forums whalen mercury thermostat learning gen 3 i m replacing my t874r1152 with an old heat pump.
Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. Honeywell lr1620 thermostat wiring diagram. I would like to replace my old honeywell lr 30v thermostat the installation diagram in the.
Lr1620 wiring diagram.
This wire will go to the g terminal on your new thermostat. Please provide wiring diagram for honeywell lr1620 thermostat with heat pumpac hvac1000 posts. Dec 9 2007 0558 pm no such part number exists in computer. Need help doityourself com community forums whalen mercury thermostat to nest learning gen 3 jumper wire wiring question honeywell lr1620 diagram hopes2k8challenge i m trying replace my with a lux dmh110 wires from the wall must be old one is red and guide connections for room thermostats rth7600 have heat.