Honeywell TH4210D - Manuals

PRO TH4210D Programmable Thermostat 3 Wallplate installation Remove the wallplate from the ther-mostat as shown at left, then followdirections below for mounting. 1 Pull wires through wire hole. 2 Position wallplate on wall, level andmark hole positions with pencil. 3 Drill holes at marked positions...

Installation Guide 4 Wiring 1 Loosen screw terminals, insertwires into terminal block, then re-tighten screws. 2 Push excess wire back into thewall opening. Keep wires in shadedarea as shown at left. 3 Plug the wall opening with non-f lammable insulation to preventdrafts from affecting thermostatope...

PRO TH4210D Programmable Thermostat 5 1 Power supply. Provide disconnect means and overload protection as required. 2 Optional 24 VAC common connection. 3 Use either O or B terminals for changeover valve. 4 L terminal is powered continuously when thermostat is set to Em Heat. 5 Install field jumper ...

Installation Guide 6 AC Power The thermostat can be powered by 24VAC power, or by batteries. To wire the thermostat for AC power,connect the common side of the transformer to the “C” terminal asshown at left. Connect commonside of transformerto “C” terminal Install batteries in back of thermostat(op...

PRO TH4210D Programmable Thermostat 7 6 5 To begin, press and hold the andbuttons until the display changes Functionnumber Press to change settings Press to advance to next function Press and hold to exit and save settings Setting Installer setup Follow the procedure below to configure the thermosta...

Installation Guide 8 10 0 Test 10 20 30 70 Heating system Emergency heat Cooling system Thermostatinformation (for reference only) 0 Compressor and fan turn off. 1 Compressor and fan turn on. 2 Auxiliary heat turns on. 0 Heat and fan turn off. 1 Heat and fan turn on. 2 Auxiliary heat turns on. 0 Com...

PRO TH4210D Programmable Thermostat 9 Built-in compressor protection (Setup Function 15) This feature helps prevent damage to thecompressor. Damage can occur if the compressor is re-started too soon after shutdown. This featureforces the compressor to wait for a few min-utes before restarting. Durin...

Installation Guide 10 Quick reference to controls • Set: Press to set time/day/ schedule • Hold: Press to override programmed temperature control. • Run: Press to resume program schedule System switch • Cool: Thermostat controls only the cooling system. • Heat: Thermostat controls only the heating s...

PRO TH4210D Programmable Thermostat 11 In case of difficulty If you have difficulty with your thermostat, please try the suggestions below. Mostproblems can be corrected quickly and easily. Display is blank • Check circuit breaker and reset if necessary. • Make sure heating & cooling power switc...

Installation Guide 12 Accessories Please contact your distributor to order accessories. Cover plate assembly ............................................Part Number 50002883-001(Used to cover marks left by old thermostats.) Specifications Temperature Ranges • Heat: 40° to 90°F (4.5° to 32°C) • Cool:...

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