Honeywell PRO TH4110D- User Manual

PRO TH4110D 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 TH4110D Programmable Thermostat 5 Typical 1H/1C system: 1 transformer Typical 1H/1C system: 2 transformers 1 Power supply. Provide disconnect means and overload protection as required. 2 Factory-installed jumper. Remove for 2-transformer systems only. 3 Use either O or B terminals for changeover...

Installation Guide 6 • G Ga ass o orr O Oiill:: For gas or oil heating systems, leave the fan operationswitch in this factory-set position(This setting is for systems thatcontrol the fan in a call for heat.) • E Elle ec cttrriic c o orr H He ea att P Pu um mp p:: Change the switch to this setting fo...

PRO TH4110D Programmable Thermostat 7 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 cooling transformer to the “C” terminalas shown at left. IIm mp po orrtta an ntt:: Remove R/Rc jumper for 2-transformer sys...

1 0 Installation Guide 8 1 5 9 13 14 15 System type Heating cycle rate (CPH: cycles/hour) Compressorcycle rate (CPH) Adaptive IntelligentRecovery Temperature display Compressor protection 0 Gas, oil or electric heat with air conditioning 1 Heat pump (5 minute compressor off time in heating and cooli...

PRO TH4110D Programmable Thermostat 9 10 0 Test 10 30 70 Heating system Cooling system Thermostatinformation (for reference only) 0 Heat and fan turn off. 1 Heat turns on. Fan also turns on immediately if Fan OperationSwitch is set to Electric Heat/Heat Pump (see page 6). 0 Compressor and fan turn o...

Installation Guide 10 Built-in compressor protection (Setup Function 15) This feature helps prevent damage to thecompressor in the air conditioning or heatpump system. Damage can occur if the compressor is re-started too soon after shutdown. This featureforces the compressor to wait for a few minute...

PRO TH4110D Programmable Thermostat 11 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 o...

Installation Guide 12 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 switches are on. • Mak...

PRO TH4110D Programmable Thermostat 13 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°...

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