1. SYSTEM COMPATIBILITY . . . . . . . . 22. FEATURES . . . . . . . . . . . . . . . . . . 33. TOOLS REQUIRED . . . . . . . . . . . . . 34. SELECTING A
10RC GRH YW2 W1A OBCFANA/CUNITSYSTEMXFMRTYPICAL 24-VOLT, 3 WIRE, CONVENTIONAL,1-STAGE COOLING ONLY SYSTEMSRCR5GFYC*6CFactory RH-RC Jumper Wire Install
11RC GRH YW2 W1A OBCFAN HEATERSYSTEMXFMRTYPICAL 24V, 4 WIRE, CONVENTIONAL HEATING AND COOLINGSYSTEMS WITH 1 STAGE HEAT AND 1 STAGE COOLA/CUNITRHRVGFYC
12RC GRH YW2 W1A OBCFANSYSTEMXFMRTYPICAL 24V, 5 WIRE, CONVENTIONAL HEATING AND COOLINGSYSTEMS WITH 2 STAGE HEAT AND 1 STAGE COOLHEATSECONDSTAGEHEATFIR
13RC GRH YW2 W1A OBCTYPICAL 24V, 4 WIRE, HEAT PUMP SYSTEMSWITH 1 STAGE HEAT AND 1 STAGE COOLFANSYSTEMXFMRHEATPUMPUNITCHANGE-OVERVALVE** Use either “O”
14RC GRH YW2 W1A OBCTYPICAL 24V, 5 WIRE, HEAT PUMP SYSTEMSWITH 2 STAGE HEAT AND 1 STAGE COOLFANSYSTEMXFMRHEATPUMPUNITCHANGE-OVERVALVE** Use “O” or “B”
15RC GRH YW2 W1A OBCFAN HEATERHEATXFMRTYPICAL 24V, 5 WIRE, CONVENTIONAL HEATING AND COOLINGSYSTEMS WITH 2 STAGE HEAT AND 1 STAGE COOL,WITH TWO 24-VOLT
168. HARDWARE SETUP OPTIONSNOTE:All of the settings, options, and components listed in thefollowing section are located on the rear of the thermostat,
17[1] SYSTEM MODEThis setting tells the thermostat about the type of heatingand cooling equipment that it is controlling, so that thesystem is operate
18[4] SCALEThis setting determines how the thermostat displays alltemperatures on the screen. Switch position OFF is F°, andON is C°.[5] TIMEThis set
19NOTE:When you are finished performing your installation and setupoptions, please remove the thin plastic film that is protectingthe LCD display scre
21. SYSTEM COMPATIBILITYThe electrical rating for this thermostat is 1.5A per terminal,with a maximum of 2.0A for all terminals combined.COMPATIBLE WI
20needed. With the Fan switch in the ON position, the fan willoperate even when the Temperature Mode switch is in theOFF position to provide air circ
21buttons, adjust the clock to the current time, and make surethat the proper AM or PM indication is observed asappropriate. To assist with large adj
22TEMPERATURE OVERRIDEA Temperature Override occurs in Run mode, in either Heator Cool, anytime the user adjusts the set temperature to avalue that di
23EMERGENCY HEAT (Heat Pump Configuration Only)While in normal Heat mode with the rotary dial in the RUNposition, one single press of the COPY/EMER bu
24AIR FILTER MONITORIn systems that have a blower fan and air ducts, this featureis to assist you with proper maintenance and periodicreplacement of t
25save energy in some cases. There is only one Swing setting,and this determines the cut-in and cut-out points for boththe first and second stages (i
26OFFSET: After the swing value has been accepted, the words“SET:” and “OFFSET” will be shown on the screen. Thissetting is shown as a number of degr
27LOCKING THE THERMOSTAT: Ensure the rotary dial is in theRUN position. Press the NEXT button for at least 2 seconds.The words “ENTER CODE” will appe
28CHANGING THE LOCK CODE: To create your own specificlock code, first ensure that the rotary dial is in the RUNposition. Press the NEXT button for at
2913. PROGRAMMINGSET HEAT PROGRAMRotate the dial to HEAT PROGRAM. You will beprogramming the heat periods for all seven days, one afterthe other star
32. THERMOSTAT FEATURES• Universal Compatibility (Conventional or Heat Pump)• 7 Day Programming• 4 Periods per Day• Quick Copy Programming• Exclusive
30will appear on the screen, with one of the days flashingabove. Using the UP/DOWN buttons, select the day that youwant to copy from. Press the NEXT
31swinging the body towards you, up and away from the base.Remove the used batteries from the battery tray and discardappropriately.Install two new En
Mt. Laurel, New Jersey 08054, USAhttp://www.luxproducts.com5:3672HEATTUDAYFPMlimitations on how long an implied warranty lasts, so theabove limitation
4CAUTION:This thermostat is protected against normal static electricdischarges; however touching a grounded metal objectbefore touching your thermosta
5• Your thermostat is a precision electronic instrument; pleasehandle it with care to avoid damage.5. REMOVE OLD THERMOSTAT1. Turn OFF the electricity
63. Remove the body from the thermostat’s base by pressingthe thumb latch at the bottom center of the unit andswinging the body away from the base.NOT
7• All of the dashed wires shown in the following wiringdiagrams are either optional, or their usage depends uponyour specific system type or brand.
8RC GRH YW2 W1A OBCFAN HEATERSYSTEMXFMRTYPICAL 24-VOLT, 2 OR 3 WIRE, CONVENTIONAL,1-STAGE, HEATING ONLY SYSTEMS (INCLUDING MILLIVOLT)GFRHRVCW1WH4Facto
9RC GRH YW2 W1A OBC3-WIREHYDRONICZONE VALVESYSTEMXFMRTYPICAL 24-VOLT, CONVENTIONAL, 1-STAGE, HOT WATERHEAT ONLY SYSTEMS WITH A 3-WIRE ZONE VALVEA6RHRV
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