Bryant LEGACY T2-NAC Installation Instructions Manual Download Page 33 | Manualshive

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WIRING DIAGRAMS (cont.)

Fan Coil

Heat Pump

O

O

RVS Cooling

O/B

W1

W1

Heat Stage 3

W

W2

Heat/Cool Stage 1

Y1

Y1

Y1

Heat/Cool Stage 2

Y/Y2

Y/Y2

Y/Y2

Fan

G

G

24VAC Hot Heating

Rh

R

R

24VAC Hot Cooling

Rc

24VAC Common

C

C

C

Thermostat

*Remove jumper when using split power (Indoor and Outdoor units
utilize separate transformers).

*

A12243

Fig. 11 -- FV/FK Fan Coil w/2--Stage Heat Pump

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Summary of Contents for LEGACY T2-NAC

Page 1: ...THERMOSTATS A07047 A07046 Legacy Series Legacy Series Programmable Thermostat Non Programmable Thermostat Designed and Assembled in the U S A NOTE Read the entire instruction manual before starting th...

Page 2: ......

Page 3: ...S 4 INSTALLATION 5 Step 1 Thermostat Location 5 Step 2 Install Thermostat 5 Step 3 Set Thermostat Configuration 10 Step 4 Check Thermostat Operation 18 FEATURES AND ACCESSORIES 20 OPERATIONAL AND CONN...

Page 4: ...nstruction manual be alert to the potential for personal injury Understand the signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most seri...

Page 5: ...variety of features are provided including battery operation separate heating and cooling setpoints auto changeover keypad lockout backlighting and built in installer test Programming features includ...

Page 6: ...operate from batteries or 24VAC power Operation from 24VAC is preferred if available Battery operation is used when there are not enough wires to support 24VAC operation or when armchair programming i...

Page 7: ...ace or other temperature radiating objects which could cause a false reading S Close to or in direct airflow from supply registers and return air re gisters S In areas with poor air circulation such a...

Page 8: ...be disposed of properly CAUTION 3 Open thermostat mounting base to expose mounting holes The base can be removed to simplify mounting Press the thumb release at the top of the thermostat and snap apar...

Page 9: ...mounting holes in wall where marked 6 Secure mounting base to wall with four screws and anchors provided To avoid unintended bending of wall plate plastic all four screws and anchors must be used Mak...

Page 10: ...8 Match and connect equipment wires to proper terminals of the connector blocks see Fig 3 If there are separate 24VAC transformers one in the indoor unit and one in the outdoor unit connect the common...

Page 11: ...y result in equipment damage or improper operation Improper wiring or installation may damage the thermostat Check to make sure wiring is correct before proceeding with installation or turning on unit...

Page 12: ...n under Step 3 Option 01 below A HP thermostat configured to operate an AC see Option 1 below will display AC An AC thermostat cannot display HP NOTE If a common wire has not been connected two AA bat...

Page 13: ...ng setpoints Option 12 Smart Recovery programmable models only Option 13 Room air temperature offset adjustment Option 15 Auto Changeover availability Option 16 Maximum cycles per hour Option 17 Time...

Page 14: ...mber and the configuration setting To exit the configuration mode press the FAN key If no key is pressed for 3 minutes the configuration mode will automatically exit returning the thermostat to normal...

Page 15: ...require a separate G signal to operate the blower when W is applied Option 07 Zoning Selections OF non zoned system This is default ON zoned system ON disables thermostat s internal timers which are...

Page 16: ...this difference Option 12 Smart Recovery programmable model only Selections OF 30 60 90 Default is 90 Smart Recovery OF means setpoints change immediately at a program schedule change Thirty 60 or 90...

Page 17: ...r is not available when H or C is selected under Option 1 Option 16 Maximum Cycles Per Hour Selections 2 4 or 6 Default is 4 The maximum cycle rate is limited by internal timers to the selected number...

Page 18: ...simultaneously pressing the UP and DOWN keys for 5 seconds Once unlocked it will relock 2 minutes after the last keypad press A lock icon is displayed while it is locked Option 24 Programmable Non Pr...

Page 19: ...stat to out of the box conditions NOTE All configuration settings program settings clock and day which have been manually entered will be lost When this option is selected the configuration number 99...

Page 20: ...emergency heat if this is a HP thermostat Selecting one of the available modes will immediately command the equipment to turn on in that mode It will run for 3 minutes and then return the mode to off...

Page 21: ...erate the thermostat in its normal operating mode consult the Owner s Manual 2 If the equipment is to be left in operation the setpoints operating mode and possibly program schedule must be properly s...

Page 22: ...e operation is to continue while the thermostat is removed from the wall usually to facilitate remote armchair programming For battery operation install two alkaline AA batteries The thermostat is des...

Page 23: ...ther user functions If the door is left open for 3 minutes the display reverts to normal operation Mounting Options For those installations requiring it mounting hole locations for the programmable mo...

Page 24: ...larger Wire lengths are not to exceed 250 ft 76 m per run O B Terminal On HP Thermostat Only This terminal is normally connected to the reversing valve of the heat pump It is called O when the valve i...

Page 25: ...ecessary cycling between heating and cooling modes this timer prevents a changeover to the opposite mode until a demand exists in the opposite mode for 20 minutes It is defeated when setpoints are cha...

Page 26: ...O B Y Y W W SS HP Opt 1 HP RVS B Opt 10 H T2 PHP T2 NHP Y Y O B Y W O B W 2SPD AC Opt 1 A2 T2 PHP T2 NHP Y1 Y1 Y W 2SPD HP Opt 1 H2 RVS O Opt 10 C T2 PHP T2 NHP Y1 O B Y1 Y O B Y1 Y1 Y Y1 Y W W 2SPD H...

Page 27: ...wire not needed for batteries Remove jumper when using split power Indoor and Outdoor units utilize separate transformers Y1 Y Y2 W G Rh Rc C C G R R W Y COM Y A12246 Fig 5 Single Speed A C Thermostat...

Page 28: ...G DIAGRAMS cont C wire not needed for batteries Remove jumper when using split power Indoor and Outdoor units utilize separate transformers Y1 Y Y2 A12238 Fig 6 Single Speed HP Thermostat Typical Inst...

Page 29: ...O B Heat W W Y Y2 Y Y Fan G G 24VAC Hot Heating Rh R 24VAC Hot Cooling Rc R 24VAC Common C COM COM Cool Indicates connection may not be required available Y1 A09246 Fig 7 Single stage Furnace with Ai...

Page 30: ...2 Y Y2 Y Y2 Y Y2 Fan G G 24VAC Hot Heating Rh R R 24VAC Hot Cooling Rc DHUM 24VAC Common C COM C Y1 Thermostat NA Remove jumper when using split power Indoor and Outdoor units utilize separate transf...

Page 31: ...Y2 Y Y2 Y Y2 Fan G G 24VAC Hot Heating Rh R R 24VAC Hot Cooling Rc DHUM 24VAC Common C COM C Y1 Some heat pumps may designate W1 Remove jumper when using split power Indoor and Outdoor Units utilize...

Page 32: ...W2 Heat Stage 1 W W1 Cool Stage 1 Y1 Y1 Y1 Cool Stage 2 Y Y2 Y Y2 Y2 Fan G G 24VAC Hot Heating Rh R R 24VAC Hot Cooling Rc 24VAC Common C C C Thermostat Remove jumper when using split power Indoor an...

Page 33: ...Heat Cool Stage 1 Y1 Y1 Y1 Heat Cool Stage 2 Y Y2 Y Y2 Y Y2 Fan G G 24VAC Hot Heating Rh R R 24VAC Hot Cooling Rc 24VAC Common C C C Thermostat Remove jumper when using split power Indoor and Outdoor...

Page 34: ...e __________ Cooling Setpoint Value __________ Fan Auto or On C Home Away Sleep Settings Heat Cool Home ____ ____ Away ____ ____ Sleep ____ ____ D Schedule For Programmable Thermostats Period 1 Period...

Page 35: ...13 ____ Room Air Temperature Offset Adjustment Option 15 ____ Auto Changeover Availability Option 16 ____ Cycles Per Hour Option 17 ____ Time Between Equipment Stages Option 18 ____ Backlight Configu...

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Page 40: ...Corporation 7310 W Morris St Indianapolis IN 46231 IIT2 PAC 05 Replaces IIT2 PAC 04 Edition Date 05 12 Manufacturer reserves the right to change at any time specifications and designs without notice a...

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