Instruction/ maintenance manual of the product TH4110D Honeywell
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Installation Guide TH4110D Programmable Thermostat.
Product Application This thermostat provides electronic control of 24 V A C single-stage heating and cool- ing systems, or 750 mV heating systems. System T ypes • Gas, oil, or electric heat with air.
PRO TH4110D Programmable Thermostat 1 Install the thermostat about 5 feet (1.5m) above the floor in an area with good air circulation at average temperatur e.
Installation Guide 2 Pre-installation checklist Package contents Check to make sure y our package includes the f ollowing items: • PR O TH4110D digital thermostat (wallplate attached to back) • Op.
PRO TH4110D Programmable Thermostat 3 W allplate installation Remove the w allplate from the ther- mostat as shown at left, then f ollow directions below f or mounting. 1 Pull wires through wire hole. 2 P osition wallplate on wall, level and mark hole positions with pencil.
Installation Guide 4 Wiring 1 Loosen screw terminals, insert wires into terminal block, then re- tighten screws. 2 Push e xcess wire back into the wall opening. K eep wires in shaded area as shown at left. 3 Plug the wall opening with non- f lamma ble insulation to pr event drafts from affecting thermostat operation.
PRO TH4110D Programmable Thermostat 5 T ypical 1H/1C system: 1 transformer T ypical 1H/1C system: 2 transformers 1 Power supply . Provide disconnect means and overload pr otection as required. 2 Factory-installed jumper . Remove for 2-transformer systems only .
Installation Guide 6 • G G a a s s o o r r O O i i l l : : For gas or oil heating systems, leave the f an operation switc h in this factor y-set position (This setting is for systems that control the fan in a call f or heat.
PRO TH4110D Programmable Thermostat 7 AC Power The thermostat can be powered by 24 V A C power , or by batter ies. T o wire the thermostat for A C power , connect the common side of the cooling transf or mer to the “C” terminal as shown at left. I I m m p p o o r r t t a a n n t t : : Remove R/Rc jumper f or 2-transf or mer systems onl y .
1 0 Installation Guide 8 1 5 9 13 14 15 System type Heating cycle rate (CPH: cycles/hour) Compressor cycle rate (CPH) Adaptive Intelligent Recovery T emperature display Compressor protection 0 Gas, oi.
PRO TH4110D Programmable Thermostat 9 10 0 T est 10 30 70 Heating system Cooling system Thermostat information (for refer ence only) 0 Heat and fan turn off. 1 Heat turns on. Fan also turns on immediately if Fan Operation Switch is set to Electric Heat/Heat Pump (see page 6).
Installation Guide 10 Built-in compressor pr otection (Setup Function 15) This featur e helps prevent damag e to the compressor in the air conditioning or heat pump system. Damage can occur if the compressor is r e- started too soon after shutdown. This feature for ces the compressor to wait f or a few minutes befor e restarting.
PRO TH4110D Programmable Thermostat 11 Quick refer ence to controls • Set: Press to set time/day/ schedule • Hold: Press to override programmed temperatur e control. • Run: Press to r esume program schedule System switch • Cool: Thermostat controls only the cooling system.
Installation Guide 12 In case of difficulty If you hav e dif ficulty with your thermostat, please tr y the sugg estions below . Most problems can be corrected quickl y and easily . Display is blank • Check circuit br eaker and reset if necessary . • Make sure heating & cooling power switches ar e on.
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 T emperature Ranges • Heat: 40° to 90°F (4.
Honeywell International Inc. 1985 Douglas Drive North Golden V alley , MN 55422 http://yourhome.honeywell.com Automation and Control Solutions Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. ® U.S. Registered T rademark.
An important point after buying a device Honeywell TH4110D (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Honeywell TH4110D, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell TH4110D.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell TH4110D. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell TH4110D along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
