Always test for proper operation after installation (see pages ).

CAUTION: . emergency heat relay. Wiring diagram .

Honeywell Limited-Honeywell Limitée. Honeywell thermostat wiring diagram old honeywell thermostat wiring diagram honeywell thermostat wiring diagram wires honeywell. online Honeywell Smart Thermostat Wiring Diagram file PDF Book only if you .

Honeywell thermostat THD For Honeywell smart. Wiring diagrams.

Typical 1H/1C heat pump system. Typical heat-only system.

Typical heat-only system with fan. Typical cool-only system.

Remove jumper. Honeywell thermostat wiring instructions for 4 & 5 wire applications. Learn how to wire basic thermostats and digital thermostats to operate heat and cooling.EFS PRO TH Series Programmable Thermostat This manual covers the following models Wiring 2H/1C Heat Pump System THD C 24 CVac common [3] B Changeover valve energized in Connect to Honeywell zoning panels to switch the panel to Emergency Heat.

[9] Install field jumper between Aux and E if. As part of the Pro family of programmable thermostats, the Honeywell THD was designed with energy saving in mind.

It's a no-nonsense thermostat with five buttons and two switches on the front. Buy Honeywell THD Pro Universal Programmable Thermostat - One Stage Heat One Stage Cool.

Honeywell technical support information, product brochures and more.5/5(1). If wiring to a heat pump, use a small piece of wire (not supplied) to connect terminals W and Y.

C terminal The C (common wire) terminal is optional when thermostat is powered by batteries. Wire specifications Use to gauge thermostat wire. May 26,  · I need wiring diagram for a Honeywell thermostat.

I Need Wiring Diagram For A Honeywell Thermostat. I just purchased a Honeywell THD thermostat to replace my old one. When the heat is supposed to go on, the thermostat clicks on.

Then 30 seconds later, it kicks back off. 5/5.Honeywell THD Thermostat - HVAC - DIY Chatroom Home Improvement ForumHoneywell THD Pro Universal Programmable Thermostat One Stage Heat One Stage Cool