Honeywell Prestige 2.0 System Installation Manual Download | Manualshive

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THX9321/9421 Prestige

®

IAQ and RF EIM

19

69-2490—05

The thermostat can be setup to control Geothermal Radiant Heat, Geothermal Forced Air Heat and Backup Heat, all from one
thermostat. The thermostat stages the equipment starting with the Geothermal Radiant Heat followed by Geothermal Forced Air
Heat and then Backup Heat as needed to maintain the desired temperature. The thermostat allows you to set differential temperature
settings between each stage if you want the equipment to stage a certain way (see ISU 3030 to ISU 3090).

When the Backup Heat is fossil fuel, the Geothermal Forced Air Heat turns off when the Backup Heat turns on. Geothermal Radiant
Heat stays on when the fossil fuel Backup Heat turns on.

When the Backup Heat is electric, Geothermal Radiant Heat and Geothermal Forced Air Heat stay on when the electric Backup Heat
turns on.

Heat pump with outdoor temperature lockouts

Heat pump and backup heat operation

Geothermal Radiant Heat

Outdoor temperature lockouts are optional. See Installer Setup

options (ISU 3120).

Heat pump only

Heat pump with backup heat as needed *

Backup heat only

Heat pump only

Heat pump or backup heat operates *

Backup heat only

Outdoor temperature

Outdoor temperature

Backup heat lockout

Backup heat lockout

Compressor lockout

Compressor lockout

* No backup heat unless indoor temperature drops to selected Backup Heat Differential setting, or Backup Heat

Upstage Timer expires.

Heat pump stays ON when backup heat turns on.

* No backup heat unless indoor temperature drops to selected Backup Heat Differential setting, or Backup

Heat Upstage Timer expires.

Heat pump turns OFF when backup heat turns on.

Backup heat allowed to run with heat pump

(see table below)

Backup heat NOT allowed to run with heat pump

(see table below)

Electric forced air

Allowed to run with heat pump

Thermostat controls fan

Gas or oil forced air

NOT allowed to run with heat pump

Equipment controls fan

Hot water radiant heat

Allowed to run with heat pump

[n/a]

Hot water fan coil

Selectable in installer setup

Thermostat controls fan

Other

Selectable in installer setup

Selectable in installer setup

Backup Heat Type

Backup Heat Operation

Backup Heat Fan Operation

To turn off Radiant Heat during the shoulder seasons, install an outdoor reset control and connect to the Radiant Heat or
switch the thermostat to Emergency Heat mode.

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Summary of Contents for Prestige 2.0

Page 1: ...accessories 4 4 Link thermostat to wireless network 5 5 Link optional accessories to wireless network 6 6 Install optional sensors 7 7 Setup installer options 8 Wiring guides 10 17 Key features 18 25 Device replacement and specifications 26 27 DISCONNECT POWER BEFORE INSTALLATION Can cause electrical shock or equipment damage MERCURY NOTICE If this product is replacing a control that contains merc...

Page 2: ...while running a system test to verify proper operation Requires EIM Universal Inputs S1 and S2 Assignable inputs allow you to configure Indoor and Outdoor Temperature Sensors Discharge and Return Air Sensors or Dry Contact Devices Dry Contact Devices can be used to trip pre set or customized alerts on the thermostat home screen Requires EIM User Interactions Log The interaction log stores history ...

Page 3: ...sulation then insert wires as shown Install Equipment Interface Module if used 2 If no EIM is used skip to Section 3 Use screws anchors as appropriate for the mounting surface Mount the EIM near the HVAC equipment or on the equipment itself MCR32388 NOTE If you install more than one thermostat and EIM the EIMs must be at least 2 feet apart If you are installing discharge and return air sensors ref...

Page 4: ...Honeywell RedLINK Internet Gateway gives your customers remote access to home climate control systems from any location with Internet access Using a Web browser users can review and adjust indoor temperature system mode and other settings The Gateway can also send alerts to as many as 6 email addresses if a problem occurs RedLINK Internet Gateway Connect power cord to an electrical outlet not cont...

Page 5: ...r EIM wired to zone panel Setup for RedLINK wireless connection to zone panel using THM4000 TrueZONE Wireless Adapter While the EIM light is flashing press NEXT to link the thermostat with the EIM After a brief delay the screen will display Device Connected Press and release the CONNECT button at the EIM or Wireless Adapter and make sure the Connected light is flashing green If the Connected light...

Page 6: ...ut 3 seconds Press DONE after all devices have been linked Press CONNECT on the Portable Comfort Control display screen Press DONE when the screen displays Connected then exit or continue to link another thermostat Error messages E1 29 Incompatible device cannot be connected E1 34 Low RF signal Move device to a different location and try again E1 38 Make sure the thermostat or the EIM is in Wirele...

Page 7: ...to 6 feet above the floor on an interior wall Drill 3 16 inch holes for drywall 7 32 inch for plaster 2 Attach sensor securely to wallplate as shown M32936A Setup Installer options ISU 7 To setup the thermostat press MENU and scroll down to press INSTALLER OPTIONS Enter the date code password when prompted The date code is printed on the back of the thermostat or press MENU EQUIPMENT STATUS to fin...

Page 8: ...4010 Pre occupancy Purge Duration C 4020 Override Standard or Initiate Occupancy C 4030 Override Duration C 4050 Minimum Recovery Settings Heat C 4060 Maximum Recovery Settings Heat C 4070 Minimum Recovery Settings Cool C 4080 Maximum Recovery Settings Cool C 4090 Adaptive Intelligent Recovery R 4100 Minimum Cool Setpoint B 4100 Maximum Heat Setpoint B 4110 Keypad Lockout B 4120 Entry Exit Remote ...

Page 9: ...Hot Gas Bypass Setup C 9070 Dehumidification Overcooling Limit R 9080 Dehumidification Control C 9090 Dehumidification Minimum On Time C 9100 High Humidity Comfort Reset Setting C 9120 System Modes Allowing Dehumidification B 9130 Dehumidifier Fan Control B 9140 Dehumidifier Lockout B 9180 Dehumidification Away Mode B 9190 Dehumidification Away Mode Fan Control B 9200 Dehumidification Away Mode Lo...

Page 10: ...sors using the S1 and S2 terminals See ISU 5000 6190 for options S1 and S2 terminals can be connected to an indoor sensor outdoor sensor discharge sensor return sensor dry contact device to display an alert or an occupancy sensor for remote setback Remove jumper s if using separate transformers See Economizer wiring section HEAT STAGE 1 HEAT STAGE 2 HEAT STAGE 3 FAN TO THERMOSTAT STATUS LEDS JUMPE...

Page 11: ...scharge sensor return sensor dry contact device to display an alert or an occupancy sensor for remote setback L A terminal sends continuous output when thermostat is set to EM HEAT mode except when set up for Economizer or TOD See Economizer wiring section CHANGEOVER VALVE BACKUP HEAT STAGE 1 FAN RELAY SENSORS TO THERMOSTAT HEAT PUMP AIR HANDLER TRANSFORMER 120 VAC 24 VAC COMPRESSOR STAGE 1 COMPRE...

Page 12: ...t heat is powered by system transformer Do NOT install a field jumper if radiant heat has its own transformer L A terminal sends continuous output when thermostat is set to EM HEAT mode except when set up for Economizer or TOD See Economizer wiring section O B AUX1 AUX2 O B R C AUX1 AUX2 G L Y2 Y L A CHANGEOVER VALVE BACKUP HEAT STAGE 1 FAN RELAY 120 VAC 24 VAC COMPRESSOR STAGE 1 COMPRESSOR STAGE ...

Page 13: ...radiant heat has its own transformer Remove jumper if using separate transformers Connect the THP9045 Wiresaver Module to the K terminal in heating cooling applications that do not have a common wire at the thermostat The K terminal cannot be used in heat only applications See THP9045 installation instructions for more information CHANGEOVER VALVE BACKUP HEAT COMPRESSOR STAGE 1 COMPRESSOR STAGE 2 ...

Page 14: ...mal Radiant Heat see wiring guide on pages 12 13 THX9421 Thermostat with EIM U1 U2 and U3 Cool Stage 3 ISU 2080 commercial only Cool Stage 4 ISU 2090 commercial only Geothermal Radiant Heat see wiring guide on pages 12 13 HEAT STAGE 3 or COOL STAGE 3 or COOL STAGE 4 120 VAC C Rc R U1 U1 U2 U2 24 VAC Transformer Thermostat C R 1 1 2 3 MCR32952A HEAT STAGE 3 120 VAC C Rc R U1 U1 U2 U2 24 VAC Transfo...

Page 15: ...POWERED HUMIDIFIER M32394 24 VAC 120 VAC POWERED VENTILATOR RH RC R C 24 VAC U3 U3 U2 U2 U1 U1 M32396 24 VAC 120 VAC 24 VAC 120 VAC FIELD INSTALLED JUMPER BETWEEN R AND U1 RH RC R C 24 VAC U3 U3 U2 U2 U1 U1 NON POWERED VENTILATOR M32397 24 VAC 120 VAC POWERED DEHUMIDIFIER RH RC R C U3 U3 U2 U2 U1 U1 M32398 24 VAC 120 VAC 24 VAC 120 VAC 24 VAC FIELD INSTALLED JUMPER BETWEEN R AND U1 RH RC R C 24 VA...

Page 16: ...installer setup ISU 2220 These terminals are powered by the cooling transformer Rc terminal Terminal AUX 2 is present only on the Equipment Interface Module 120 VAC N Y1 Y2 W1 W2 G 24 VAC SD O B OCC E GND AUX Y2I Y2O Y1I Y1O C R Rooftop Unit Transformer A Y Y2 W W2 G Thermostat EIM R C W7220 Economizer Module See wiring guidelines provided with the product 1 MCR32955A 120 VAC O B N Y1 Y2 AUX AUX 2...

Page 17: ...gured for Economizer in the installer setup ISU 2220 These terminals are powered by the cooling transformer Rc terminal Terminal AUX 2 is present only on the Equipment Interface Module 120 VAC O B N Y1 Y2 AUX AUX 2 G 24 VAC O or B N 3 4 1 2 5 TR1 TR Rooftop Unit Transformer O B L A Y Y2 AUX AUX 2 G Thermostat EIM R C W7213 W7214 Economizer Module See wiring guidelines provided with the product 2 1...

Page 18: ... Occupied Heat Cool Fan NOT running Occupied temporarily Heat Cool Fan NOT running Pre occupancy purge Fan running Unoccupied Cooling system running Unoccupied temporarily Cooling system running Standby Cooling system running Unoccupied Cooling system NOT running OFF Unoccupied temporarily Cooling system NOT running Standby Cooling system NOT running ON Non programmable Fan running Non programmabl...

Page 19: ...heat as needed Backup heat only Heat pump only Heat pump or backup heat operates Backup heat only Outdoor temperature Outdoor temperature Backup heat lockout Backup heat lockout Compressor lockout Compressor lockout No backup heat unless indoor temperature drops to selected Backup Heat Differential setting or Backup Heat Upstage Timer expires Heat pump stays ON when backup heat turns on No backup ...

Page 20: ...t will not be used to reach the setpoint of the next program period Backup heat is always restrict ed during a programmed recovery when the Adaptive Intelligent Recovery feature is used See note below Basic Options The Installer Setup displays basic temperature control options which include Backup Heat Differential Backup Heat Upstage Timer and Outdoor Temperature Lockouts Note Outdoor Temperature...

Page 21: ...midity level is reached If set for A C with Low Speed Fan configure U1 U2 or U3 as normally open or normally closed ISU 9050 and wire the terminal to the Low Speed Fan terminal on the equip ment For example if the U1 U2 or U3 terminal is normally closed it will open when the thermostat calls for dehumidification Note The thermostat will not lower the fan speed when the second stage of cooling is o...

Page 22: ... desired humidity is reached The high humidity comfort range is from 1 to 5 F 4 High Humidity Comfort Reset with Minimum On Time ISU 9090 and 9100 This method uses both options above to reduce humidity while maintaining a comfortable temperature 5 Reheat ISU 9080 This option allows heating to run during dehumidification to help maintain a comfortable temperature If only cooling stage 1 is used dur...

Page 23: ...rn Dehumidification Away Mode temperature setting Ventilation The thermostat can be set for the following ventilation types ISU 10000 ERV HRV Passive Fan Only Fresh Air Damper Ventilation Control Methods ISU 10050 Ventilation can be setup to meet ASHRAE or Percent On Time settings To meet these settings the thermostat will ventilate during calls for heat cool and fan If the required ventilation ha...

Page 24: ...emote indoor sensors are installed you can choose which sensor you want to use for dehumidification con trol For example you can use one sensor for humidification control and another for dehumidification The Wireless Indoor Sensor is compatible only with RedLINK 2 0 thermostats The thermostat can use up to 6 optional wireless sensors Battery level indicators when batteries are inserted Good Status...

Page 25: ...ges made to thermostat settings by time and date and describes what change was made The thermostat records the most recent 250 changes You can quickly search them by date and time or by function This feature can be turned off if necessary so that no user interactions are recorded Examples date time Heat temperature set to 80 F date time System mode set to Off date time Installer setup changed heat...

Page 26: ...old for about 10 seconds This will disconnect ALL devices from the EIM At the Portable Comfort Control 1 Press and hold the blank space or arrow if present in the lower right hand corner of the screen until the display changes 2 Press REMOVE then YES to disconnect from the old thermostat At the Indoor Sensor RedLINK Internet Gateway Entry Exit Remote Vent Boost Remote or TrueSTEAM Wireless Adapter...

Page 27: ...8 inches 158 x 80 x 38 mm RedLINK Internet Gateway 6 x 4 7 8 x 2 1 2 inches 152 x 124 x 64 mm Electrical Ratings Terminal Voltage 50 60 Hz Max Current Rating W O B 18 to 30 VAC 1 00A W O B EIM only 18 to 30 VAC and 750 mVDC 1 00A Y cooling 18 to 30 VAC 1 00A G fan 18 to 30 VAC 0 50A W2 Aux 1 heating 18 to 30 VAC 0 60A Y2 cooling 18 to 30 VAC 0 60A W3 Aux 2 18 to 30 VAC 1 00A A L A Output 18 to 30 ...

Page 28: ...r an experienced radio TV technician for help Equipment interface module thermostats and outdoor sensor To comply with FCC and Industry Canada RF exposure limits for general population uncontrolled exposure the antenna s used for these transmitters must be installed to provide a separation distance of at least 20 cm from all persons and must not be co located or operating in conjunction with any o...

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