Bryant T2-NHP Manuel d'instructions Page 1

Installation InstructionsT2--PAC, T2--NACT2--PHP, T2--NHPLEGACYt SERIES THERMOSTATSA07047 A07046Legacy Series Legacy SeriesProgrammable Thermostat Non

10A07158Fig. 4 -- Attach Thermostat to Backplate11. Close thermostat assembly making sure pins on back of circuit boardalign with sockets in connector

11set by the installe r. (Onl y those marke d with an as te r is k * below are ava ilable to thehome owner.) Following is a list of the opti ons a vai

12To Enter the Configuration Mode:Press and hold the FAN key for about 10 seconds until the display changes sothat only two pairs of digits are showin

13C operates a cool onlysystem: outdoor AC unit with an indoor fan coil; no stripheater support.Note that this option allows a HP thermostat to be con

14Option 10 -- Reversing valveThis selection is only available on heat pump systems. “O” terminal can beconfigured to be energized in either heating m

15Option 13 -- Room Air Temperature OffsetSelections:--5to5_ F—Defaultis0.This option selects the number of degrees F to be added to the displayedtemp

16times can reduce the amount of auxiliary heat used. Not available with ACthermostats.Option 18 -- Backlight ConfigurationSelections:ON, OF — Default

17Selecting 2 allows 2 programming periods, P1 and P2, per day. Selecting 4allows periods P1, P2 , P3, and P4. Not available with non -- programmablet

18Step 4 — Check Thermostat OperationThe Legacy Series thermostats have a built--in installer test capability. Use it tocheck thermostat and equipment

19Checklist1. Run equipment through several heating and cooling cycles to ensureproper operation. To operate the thermostat in its normal operating mo

2

20Homeowners Guide for details. If batteries are installed and the thermostat isoperated from 24VAC power, battery operation will occur only when 24VA

21complete itself. If, through some wiring error or failure in the HP, the signal onthe O line remains for longer than 15 minutes, the thermostat igno

22Five-- Minute Compressor TimeguardThis timer prevents the compressor from starting unless it has been of f for 5minutes. It can be defeated for one

23Ta ble 1 – OutputsEQUIPMENTCONFIGURATIONOPTION #1THERMOSTATFACTORYCONFIGURATIONCOOLSTAGE 1HEATSTAGE 1HEATSTAGE 2EM HEATAC, PC AC, HP Y, G W --- ---

24WIRING DIAGRAMS ** C wire not needed for batteriesA07819Fig. 5 -- A/C Thermostat Typical Installation** C wire not needed for batteriesA07820Fig

25Single-Stage Single-StageThermostat Furnace Air ConditionerRVS/Heat Stage 2 O/B W2Heat Stage 1 W/W1 WCompressor Low Y1Compressor High Y/Y2 Y YFan G

26THERMOSTAT CONFIGURATION RECORDInstaller_________________________Model Number______________________________Date_________________________A. Hardware

27E. Configuration O ptionsOption 01 ____ Equipment TypeOption 03* ____ Fahrenheit/Centigrade SelectionOption 04 ____ Fan (G) on with W/W1 SelectionOp

28Manufacturer reserves the right to discontinue, or change at any time, specificationsor designs without notice and without inc u rring obligations.E

3TABLE OF CONTENTSPAGESAFETY CONSIDERATIONS 3...INTRODUCTION 4...INSTALLAT

4signifies a hazard which could result in personal injury or death. CAUTION isused to identify unsafe practices which may result in minor personal inj

5PowerAll Legacy Series models are dual powered. They can operate from batteries or24VAC power. Operation from 24VAC is preferred if available. Batter

6S In areas with poor air circulation, such as behind a door or in analcove.Step 2 — Install ThermostatELECTRICAL OPERATION HAZARDFailure to follow th

7ENVIRONMENTAL HAZARDFailure to follow this caution may result in environmentaldamage.Mercury is a hazardous waste. Federal regulations require thatMe

85. Drill two 3/16--in. mounting holes in wall where marked.6. Secure mounting base to wall with 2 anchors and screws provided(additional anchoring ho

9O/B - reversing valveNot usedRc - 24 VAC, from cooling equipmentRh - 24 VAC, from heating equipmentW - HeatingC - Common 24 VACG - FanY - CoolingA071