Bryant Preferred T6-NRH-B Installation Instructions Manual Download Page 88

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2009 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231

Printed in U.S.A. Edition Date: 11/09

Manufacturer reserves the right to change, at any time, specifications
and designs without notice and without obligations.

Catalog No: IIT6-PRH-05

Replaces: IIT6-PRH-04

Summary of Contents for Preferred T6-NRH-B

Page 1: ...HERMIDISTAT A07045 A07044 Programmable Control Non Programmable Control Designed and Assembled in the USA NOTE Read the entire instruction manual before starting the installation US patents US7287709...

Page 2: ...istat Control Recognize safety information This is the safety alert symbol When you see this symbol on the equipment and in the instruction manual be alert to the potential for personal injury Underst...

Page 3: ...arate setpoints for heating and cooling in addition to humidification and dehumidification In the programmable configuration of the Preferred Series Thermidistat Control different heating and cooling...

Page 4: ...e outdoor unit to the Rc terminal Then break jumper on the circuit board The W and HUM signals are taken from the Rh power and the G signal is taken from the Rc power If Thermidistat Control has been...

Page 5: ...brid Heat installations allowing it to be used in place of all Bryant thermostats Programmable Thermidistat Controls may be configured as non programmable if user desires Humidify Equipment and Connec...

Page 6: ...available The dry contact must be configured for dehumidification in setup Option 19 See Wiring Diagrams for more information Outdoor Temperature Sensor Outdoor air temperature sensor is included in t...

Page 7: ...minal strip In two piece configuration the Display Module can be mounted in the living space while the Equipment Control Module may be mounted near the indoor furnace or fan coil Connection from the d...

Page 8: ...following components See Fig 2 for T6 PRH or Fig 3 for T6 NRH A07752 Fig 2 T6 PRH ACarton Contents 1 Display Module 2 Stand off for Equipment Control Module 3 Outside Air Temperature Sensor screws and...

Page 9: ...rol Module Thermidistat Control Location Thermidistat Control should be mounted Approximately 5 ft 1 5m from floor Close to or in a frequently used room preferably on an inside parti tioning wall On a...

Page 10: ...rol will be installed as single piece or two piece In single piece configuration as many as 14 wires may need to run to wall mounting location for connection to the control In two piece configuration...

Page 11: ...with installation or turning on power CAUTION 1 Turn off all power to equipment 2 If an existing Thermidistat Control or thermostat is being replaced a Remove existing control from wall b Disconnect...

Page 12: ...e Installation The following steps should be followed for the installation of the two piece configuration NOTE The 2 wire pigtail is not intended to support the weight of the User Interface Do not han...

Page 13: ...13 A07225 Fig 4 Press Tabs to Remove Backplate A07226 Fig 5 Take Apart...

Page 14: ...mounting holes in wall where marked Thermidistat Control may be mounted to a standard junction box if desired Hole pat tern on Thermidistat Control mounting base matches junction box mount ing holes...

Page 15: ...over tighten the screws Correct polarity must be observed when connecting the two wires from the Equipment Control Module to the Thermidistat Control mounting base If wires are connected incorrectly...

Page 16: ...16 A07166 Fig 8 Secure Wires to Terminal Strip A07167 Fig 9 Connect Pigtail Wires to Display Module Black is Vg...

Page 17: ...ir leaks Leaks can affect operation and cause incorrect temperatureand or humidity measurement 8 Make sure to attach 2 wire pigtail to Display Module mounting base It is packed loose in the box from t...

Page 18: ...MPORTANT NOTE Equipment Control Module should not be mounted to duct work or below any other controls or equipment i e humidistat humidifier etc A07217 Fig 11 Equipment Control Module on Equipment 11...

Page 19: ...o proper terminals of each connector block being careful not to over tighten the screws Correct polarity must be observed when connecting the two wires from the Equipment Control Module to the Thermid...

Page 20: ...2 digit code appears on large display which identifies Thermidistat Control configuration Refer to Option 33 a AC 1 stage air conditioner b HP 1 stage heat pump c A2 2 stage air conditioner d H2 2 st...

Page 21: ...rk wall through 4 mounting holes 2 Drill two 3 16 in mounting holes in wall where marked Thermidistat Control may be mounted to a standard junction box if desired Hole pat tern on Equipment Control Mo...

Page 22: ...vent air leaks Leaks can affect operation and cause incorrect temperature and or humidity measurement 7 Attach 2 wire pigtail to Equipment Control Module terminal block ter minals V and Vg Attach 2 wi...

Page 23: ...it code appears on large display which identifies Thermidistat Control configuration Refer to Option 33 a AC 1 stage air conditioner b HP 1 stage heat pump c A2 2 stage air conditioner d H2 2 stage he...

Page 24: ...ription of each selection and how to use the configuration mode follows CONFIGURATION OPTIONS SUMMARY Option 01 Equipment Type Option 02 Clean Filter Timer Adjustment Option 03 Fahrenheit Centigrade S...

Page 25: ...klight Configuration Option 19 Dry Contact Option 20 Outdoor Air Temperature Offset Adjustment Option 21 Keypad Lockout Option 22 High Cool Latch Temperature Option 23 High Heat Latch Temperature Opti...

Page 26: ...for 3 minutes Pressing the DONE button will exit configuration mode immediately WHILE IN CONFIGURATION MODE The option number is displayed in the heat setpoint location and the configuration setting i...

Page 27: ...a furnace H operates a heat only system Furnace or fan coil only no outdoor unit C operates a cool only system Outdoor AC unit with an indoor fan coil with no strip heaters Default is H2 Option 02 Cle...

Page 28: ...e their own blowers and do not require separate G signal For these applications select OFF Some auxiliary heaters require separate G signal to turn on blower In this case select On Default is OF off O...

Page 29: ...nt cooling below 55 F 13 C Factory default is OF off Option 07 Zoning This selection should be set to On when the Thermidistat Control is to be used as part of a zoning system It is assumed that the z...

Page 30: ...th heat pump heating 5 55 F 15 13 C the outdoor temperature below which heat pump operation is not allowed When emergency heat mode is selected only auxiliary heat will operate Default is OF off Optio...

Page 31: ...programmed Not available with non programmable Thermidistat Controls or when Thermidistat Control is configured as non programmable Default is 90 Option 13 Room Air Temperature Offset Adjust The numb...

Page 32: ...puts will be energized no more than 4 times per hour When an output is energized it will not be energized again for 15 minutes 6 The heating and cooling outputs will be energized no more than 6 times...

Page 33: ...is changed from OF to 1 the period icons are shown and the minute segments of the clock display are shown The triangle icon next to the WAKE period will be on and a value between 0 and 60 will be sho...

Page 34: ...st be connected to one of the dry contact terminals This provides power to energize the dehumidify terminal on the cooling equipment when the dry contact is closed See Wiring Diagrams for more informa...

Page 35: ...on 21 Keypad Lockout non programmable models only This selection allows the installer to limit access to the keypad Selections are OF off 1 2 OF off The user has full access to the keypad 1 The user h...

Page 36: ...or are energized to satisfy all cooling demands When a cycle starts under a high cool latch it will finish the cooling cycle on high stage If the cooling equipment is energized to satisfy a dehumidify...

Page 37: ...Selections are P nP Default is P Option 25 Number of Programmable Periods programmable models only This selection allows the installer to configure the Thermidistat Control for two or four periods pe...

Page 38: ...fault 2 Option 28 UV Light Reminder This selection allows the installer to select the number of months after which the UV Light icon will be displayed to indicate to the homeowner that it is time to c...

Page 39: ...nt cool setpoint and fan selection for that period will be used If the homeowner overrides the programmed fan setting by pressing the fan button the override selection will remain in effect until the...

Page 40: ...Furnace Heat Staging Control available only when the Thermidistat Control is configured to operate AC or A2 equipment 1 Thermidistat Control controls W1 output only and furnace controls the turn on an...

Page 41: ...eowner turns humidification OFF this configuration operates as if the selection was set to OFF OF The humidity output will only energize when there is a humidity demand and the heating equipment is en...

Page 42: ...l is not The fan output G will be energized any time the compressor is energized in response to a cooling demand Factory default is OF Off Option 43 Intelligent Heat Staging This function is only avai...

Page 43: ...e to system demand auxiliary heat on in response to a defrost signal shouldn t cause the fan to turn back on If the outdoor air temperature is below 12 F 11 C and there is sufficient demand for the eq...

Page 44: ...from the 99 to the 10 programmable model or to flash the 10 non programmable model Then press and hold the DOWN key The 10 will start counting down toward zero If the DOWN key is kept pressed until th...

Page 45: ...stages if a second stage exists will turn on for an additional three minutes During the first stage of heating the HEAT ON icons will be displayed During the second stage of heating if one exists the...

Page 46: ...al Settings Be sure to press DONE to exit installer setup mode If the system is to be left in operation after installation is complete use MODE button to select between HEAT COOL or AUTO to provide de...

Page 47: ...le models only To set the clock press the SET button once The Clock will be displayed at the bottom center of the screen Use the soft keys to move the box around the digits to be set and the UP DOWN b...

Page 48: ...ification The Thermidistat Control directly connects to a standard 24VAC humidifier to control humidification in the home A humidify setpoint between 10 and 44 in 2 increments relative humidity is sel...

Page 49: ...ft key below the humidify icon to bring up humidity select screen Humidify options are only available when in Heating mode When system is in AUTO mode humidify options are available if the last system...

Page 50: ...n during a cooling call The amount of extra dehumidification available is very dependent on the type of equipment in the home Without a variable speed blower the system s ability to adjust dehumidific...

Page 51: ...f 60 is equivalent to a cooling setpoint of 75 F 24 C and a dehumidify setpoint of 62 This dehumidify setpoint change is internal to the Thermidistat Control and is not shown on the display A06599 Fig...

Page 52: ...s Additional Dehumidify Comments Dehumidification can be enhanced with some efficiency loss by turning blower off immediately at the end of each cooling cycle eliminating normal 90 sec blower off dela...

Page 53: ...ower delay tap on fan coil should be set to 0 0 no On delay and no OFF delay when using cool to dehumidify With this selection the blower stops when G signal is removed preventing re evaporation of wa...

Page 54: ...on setpoints Auto humidification is available adjusting its setpoint with outdoor temperature the same as when occupied Vacation humidification can be turned off independently of occupied humidificati...

Page 55: ...Ten MinuteStaging Timer In multistage heating or cooling this timer prevents any higher stage from turning on until preceding stage has been on for 10 minutes When staging between compressor and elec...

Page 56: ...the defrost signal has been active for less than 15 consecutive minutes Any defrost signal present for longer than 15 minutes shall be considered invalid Heat pump fan coil and Hybrid Heat systems sh...

Page 57: ...s is displayed when the Thermidistat Control is configured as H2 A2 or h2 When the W is energized in a heat pump or Hybrid Heat system the auxiliary heat on icon will be displayed Humidify and Dehumid...

Page 58: ...both the programmable and non programmable models when configured as a dehumidify output it will operate cooling equipment capable of dehumidify function When configured for dehumidification the Rc te...

Page 59: ...d This is normal Output states should only be checked when the thermostat is powered Temperature Offset After Power Cycle To compensate for internal heat build up from the electronics in the thermosta...

Page 60: ...outputs except fan if on will turn off In the case where the installer has selected to average the local sensor and the remote room sensor the Thermidistat Control display will alternate between for...

Page 61: ...hich outputs will be active for a particular configuration and each operating mode When replacing a failed component such as an equipment control module or a display module the installer should replac...

Page 62: ...O W2 B Y Y2 Y Y2 W W1 W W1 W W1 Y1 W2 SS HP RVS B HP Y Y2 Y Y2 O W2 B Y Y2 W W1 O W2 B Y Y2 W W1 Y1 W2 W W1 W W1 Y1 W2 SS HP RVS O Opt43 On RH Y Y2 O W2 B Y Y2 Y Y2 W W1 Y Y2 Y1 W2 Y Y2 W W1 Y1 W2 W...

Page 63: ...W2 B Y1 W2 Y Y2 O W2 B W 1 W W1 SS Hybrid Heat RVS O RH Y Y2 O W2 B Y Y2 W W1 W W1 Y1 W2 W W1 W W1 Y1 W2 SS Hybrid Heat RVS B RH Y Y2 Y Y2 O W2 B W W1 W W1 2S Hybrid Heat RVS O RH Y1 W2 O W2 B Y1 W2...

Page 64: ...tage 1 W W1 W2 Compressor Y Y2 Y Y Y1 W2 Fan G G 24VAC Hot Heating Rh R R 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 24VAC Common C C C Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS...

Page 65: ...C Hot Heating Rh R R 24VAC Hot Cooling Rc Remove J1 jumper for Dehumidify modes Dry Contact 1 D1 Dry Contact 2 D2 DH 24VAC Common C C C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS...

Page 66: ...ge 1 Y Y2 Y Fan G G 24VAC Hot Heating Rh R R 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 24VAC Common C C C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor...

Page 67: ...t Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 Aux Connection 24VAC Common C C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor Humidifier Solenoid Valve Remote...

Page 68: ...n G G 24VAC Hot Heating Rh R R 24VAC Hot Cooling Rc Remove J1 jumper for Dehumidify modes Dry Contact 1 D1 Dry Contact 2 D2 DH 24VAC Common C C C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor R...

Page 69: ...Y Y Fan G G 24VAC Hot Heating Rh R R 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 24VAC Common C C C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor...

Page 70: ...Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 Aux Connection 24VAC Common C C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor Humidifier Solenoid Valve Rem...

Page 71: ...G G 24VAC Hot Heating Rh R R 24VAC Hot Cooling Rc Y1 Remove J1 Jumper for Dehumidify modes Dry Contact 1 D1 Dry Contact 2 D2 DH 24VAC Common C C C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor...

Page 72: ...Fan G G 24VAC Hot Heating Rh R 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 24VAC Common C C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor Humidif...

Page 73: ...Low Y1 W2 Compressor High Y Y2 Fan G G 24VAC Hot Heating Rh R 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 24VAC Common C C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS C...

Page 74: ...24VAC Hot Heating Rh R R 24VAC Hot Cooling Rc Remove J1 Jumper for Dehumidify modes Dry Contact 1 D1 Dry Contact 2 D2 DH 24VAC Common C C C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OA...

Page 75: ...High Y Y2 Y Fan G G 24VAC Hot Heating Rh R R 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 24VAC Common C C C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor...

Page 76: ...ng Rc Dry Contact 1 D1 Dry Contact 2 D2 DHUM 24VAC Common C COM C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor Humidifier Solenoid Valve Remote Room Sensor...

Page 77: ...Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 DHUM 24VAC Common C COM C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor Humidifier Solenoid Valve Remote Room S...

Page 78: ...24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 DHUM 24VAC Common C COM C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor Humidifier Solenoid Valve Remo...

Page 79: ...R R 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 DHUM 24VAC Common C COM C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor Humidifier Solenoid Valve...

Page 80: ...Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 DHUM 24VAC Common C COM C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor Humidifier Solenoid Valve Remote Room S...

Page 81: ...R 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 DHUM 24VAC Common C COM Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor Humidifier Solenoid Valve Rem...

Page 82: ...g Rc Dry Contact 1 D1 Dry Contact 2 D2 DHUM 24VAC Common C COM C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor Humidifier Solenoid Valve Remote Room Sensor I...

Page 83: ...Dry Contact 1 D1 Dry Contact 2 D2 DHUM 24VAC Common C COM C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor Humidifier Solenoid Valve Remote Room Sensor Equipm...

Page 84: ...lue __________ Cooling Setpoint Value __________ Fan Auto or On C Home Away Sleep Settings Heat Cool Home ____ ____ Away ____ ____ Sleep ____ ____ D Schedule For Programmable Thermidistat Controls Per...

Page 85: ..._____ Auxiliary Heat Lockout Temperature Setting only available when heat pump is used and when outdoor air temperature sensor is present Option 09 _____ Heat Pump Lockout Temperature Option 10 _____...

Page 86: ...able models only Option 25 _____ Number of Programmable Periods Per Day programmable models only Option 26 _____ Minimum Cooling Setpoint Option 27 _____ Maximum Heating Setpoint Option 28 _____ UV Li...

Page 87: ...41 _____ Variable Speed Blower Option 42 _____ Variable Speed Super Dehumidification Option 43 _____ Intelligent Heat Staging Option 44 _____ Super Comfort Heat Option 99 _____ Reset to Factory Defaul...

Page 88: ...7310 W Morris St Indianapolis IN 46231 Printed in U S A Edition Date 11 09 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catal...

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