Carrier TP-WEM01 Advanced Installation And Configuration Instrucrions
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Carrier TP-WEM01 Advanced Installation And Configuration Instrucrions

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See also: Owner's Manual , Instruction and Installation Manual
Advanced Installation and Configuration Instructions
Contents
How to Use This Document ............................................................................................. 3
Wiring Diagrams .............................................................................................................. 4
Installations without a Common (C) Wire ........................................................................ 9
Equipment Configuration ............................................................................................... 13
Accessing the Service Menus .................................................................................... 13
Edit Service Information ............................................................................................. 13
Installation Settings .................................................................................................... 14
Equipment Setup .................................................................................................... 14
Air Conditioner (AC) Configuration Options ......................................................... 14
Furnace Configuration Options ............................................................................ 16
Heat Pump Configuration Options ....................................................................... 18
FanCoil Configuration Options ............................................................................ 25
Humidifier Configuration Options ......................................................................... 27
Dehumidifier Configuration Options ..................................................................... 32
Ventilator Configuration Options .......................................................................... 37
View Wiring ............................................................................................................. 48
Reconfigure Equipment .......................................................................................... 49
Thresholds ................................................................................................................. 51
Auto Change Over and Deadband .......................................................................... 51
Compressor Configurations .................................................................................... 52
Auxiliary Heat Configuration (Heat Pumps) ............................................................ 61
Heat Configuration (Furnace) ................................................................................. 69
Temperature Offset ................................................................................................. 75
Humidity Offset ....................................................................................................... 76
Zoning Enabled....................................................................................................... 77
Variable Speed Blower ........................................................................................... 78
Test Equipment .......................................................................................................... 80
Dehumidification Options ........................................................................................... 81
Copyright 2015 Carrier Corp. | 7310 W. Morris St. | Indianapolis, IN 46231
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Edition Date: 07/20/15
Replaces: 04/19/15

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  • Page 1: Table Of Contents

    Test Equipment ......................80 Dehumidification Options ................... 81 Copyright 2015 Carrier Corp. | 7310 W. Morris St. | Indianapolis, IN 46231 Edition Date: 07/20/15 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
  • Page 2 Dehumidification Options for Most Cooling Equipment ........... 81 Cool to Dehumidify ....................81 Dehumidification Options with Variable Speed Carrier Equipment ......82 Standard Dehumidification .................. 82 ® Ideal Humidity System Technology (Standard Dehumidification + Super Dehumidification) ....................83 ® Ideal Humidity System Technology with FK/FV Fan Coils ........

  • Page 3: How To Use This Document

    How to Use This Document The advanced installation and configuration instructions are intended to supplement the standard installation instructions shipped with the thermostat or available for download on www.HVACpartners.com. The advanced settings and configuration options detailed in this document are intended for professional installers only. Incorrect configuration may lead to improper operation and equipment damage.

  • Page 4: Wiring Diagrams

    Wiring Diagrams The following pages provide wiring diagrams for multiple heating and cooling equipment configurations. Dual Transformer Installations During the Guided Setup process, you will need to configure the thermostat for two transformers. This removes the internal jumper between Rc and Rh. NOTE: the remaining diagrams show single transformer installations for simplicity but all can be setup for dual transformer by setting up Rc, Rh, and C as outlined in the above diagram.
  • Page 5 Two-Stage Furnace or Fan Coil with Single or Two-Stage A/C Do not jumper Rc & Rh. This is done internally. 2 Stage Heat Pump with 2 Stages of Aux Heat (Furnace or Fan Coil) Do not jumper Rc & Rh. This is done internally.
  • Page 6 Boiler or Radiant System with Fan Coil and A/C or Heat Pump Do not jumper Rc & Rh. This is done internally. Accessory Connection for Dehumidify Operation Do not jumper Rc & Rh. This is done internally. *For FV fan coils, jumper J1 on fan coil board will need to be removed. J2 will need to be removed for two-stage heating (W1, W2).
  • Page 7 Accessory Connection with Power from Thermostat Per the diagram above, the accessory is powered using Rh/Rc. During the Guided Setup process, you can configure the accessory power source. When you select Yes, the internal relay on the thermostat will close. P a g e...
  • Page 8 Accessory Connection with Self-Powered Accessory Per the diagram above, the accessory is self-powered. During the Guided Setup process, you can configure the accessory power source. When you select No, the internal relay on the thermostat will open. P a g e...

  • Page 9: Installations Without A Common (C) Wire

    WARNING! This is only recommended on single stage Gas, Oil or Propane Furnace equipment applications with 4 wires running to the thermostat (R, W, Y, G) and Carrier fan coils. 1) Use the G wire for the C wire at the equipment...
  • Page 10 2) Add a jumper wire from Y (or Y1) to G on the furnace board or fancoil wiring to allow the blower to turn on during cooling operation. Wiring Diagram – Furnace and AC Wiring Diagram – Fan Coil 10 | P a g e...
  • Page 11 3) Connect Repurposed Wire to the Thermostat a. When you’re ready to connect the wires to your new thermostat, connect the G wire to the C connector block on the thermostat NOTE: there will no longer be a wire connected to the G terminal at the thermostat.
  • Page 12 c. Touch G to turn box green then touch Next d. Follow standard installation instructions to complete installation. 12 | P a g e...

  • Page 13: Equipment Configuration

    Service icon as well as displayed on all alerts and reminders. The default displays contact information for Carrier Customer Support. On Thermostat: 1. Touch Menu > (hold) Service > Edit Service Information 2.

  • Page 14: Installation Settings

    Installation Settings Equipment Setup This menu gives you access to your equipment configuration settings for the thermostat. Only options relevant to the current configured equipment will be available. On Thermostat: Select Menu > (hold) Service > Installation settings > Equipment Setup Air Conditioner (AC) Configuration Options NOTE: This menu is only available for Air Conditioner (AC) applications.
  • Page 15 Cooling Lockout NOTE: An internet connection is required for this feature to operate properly. Running the air conditioner below a certain temperature could cause damage to the equipment. Enabling the feature will prevent the air conditioner from cooling F. Consult your equipment’s user when the outdoor temperature drops below 55 manuals to determine if it can be operated safely below 55 ...

  • Page 16: Furnace Configuration Options

    Furnace Configuration Options NOTE: This menu is only available for furnace applications. On Thermostat: Select Menu > (hold) Service > Installation settings > Equipment Setup > Furnace 16 | P a g e...
  • Page 17 Fan with W When enabled, the fan (or G) output on the thermostat will be activated during a call for heat. When disabled, the fan (or G) output on the thermostat will not be activated during a call for heat. Disable this feature if you want the furnace board to control the fan.

  • Page 18: Heat Pump Configuration Options

    Heat Pump Configuration Options NOTE: This menu is only available for heat pump applications. On Thermostat: Select Menu > (hold) Service > Installation settings > Equipment Setup > Heat Pump 18 | P a g e...
  • Page 19 Type This setting helps the thermostat determine the optimum performance and default settings for your heat pump based on whether it is air-to-air or geothermal.  Default:  Options: Yes, No 19 | P a g e...
  • Page 20 Reversing Valve Select Energized on Cool to activate the reversing valve output (O/B terminal) when there is a call for cooling. Select Energized on Heat to activate the relay when there is call for heat.  Default: Cool  Options: Heat, Cool 20 | P a g e...
  • Page 21 Lockout Temperature NOTE: An internet connection is required for this feature to operate properly. When weather data is not available the thermostat will go through its normal staging sequence of operation. The heat pump lockout temperature can be used to force a switch from heat pump operation to auxiliary heating.
  • Page 22 Cooling Lockout NOTE: An internet connection is required for this feature to operate properly. Running the heat pump compressor in cooling below a certain temperature could cause damage to the equipment. By default the thermostat enables this lockout setting to protect the equipment. Disabling the feature will allow the air conditioner to run when the outdoor temperature drops below 55 ...
  • Page 23 Auxiliary Heat During Defrost When the heat pump goes into a defrost cycle it can cause cold air to come out of the vents potentially causing discomfort. When enabled, the thermostat will turn on the auxiliary heat when the heat pump is defrosting to help reduce this discomfort.
  • Page 24 Simultaneous Auxiliary Heat When enabled, the thermostat will allow the auxiliary heat to be used at the same time as the heat pump. The default value changes depending on the type of auxiliary heating that is used. For non-dual fuel applications (electric resistance auxiliary heating), the default setting is enabled.

  • Page 25: Fancoil Configuration Options

    FanCoil Configuration Options NOTE: This menu is only available for heat pump applications. The fancoil configuration menu allows you to change equipment settings for your fancoil. On Thermostat: Select Menu > (hold) Service > Installation settings > Equipment Setup > Fancoil 25 | P a g e...
  • Page 26 Fan with W When enabled, the fan (or G) output on the thermostat will be activated during a call for heat. When disabled, the fan (or G) output on the thermostat will not be activated during a call for heat. Disable this feature if you want the fancoil board to control the fan.

  • Page 27: Humidifier Configuration Options

    Humidifier Configuration Options NOTE: This menu is only available for applications with a humidifier configured as an accessory. On Thermostat: Select Menu > (hold) Service > Installation settings > Equipment Setup > Accessory 27 | P a g e...
  • Page 28 Type Optimizes the humidifier operation for either evaporative or steam type humidifiers.  Default: Evaporative  Options: Evaporative, Steam 28 | P a g e...
  • Page 29 Humidify Only While Heating (e.g. Humidify with Fan Only) Determines whether the thermostat should run the humidifier only when it is calling for heat or not. Many evaporative type humidifiers require the warm air from the heating cycle to help evaporate moisture. ...
  • Page 30 Minimum Run Time Delta The minimum run time delta helps reduce short cycling of the humidifier by running the humidifier beyond the setpoint by the selected amount. For example, if your minimum run time delta is 5% and your humidity comfort profile is 40%, then thermostat will run the humidifier until the indoor humidity reaches 45%.
  • Page 31 Window Efficiency The window efficiency setting is used as an input into the Window Protect smart feature that automatically adjusts humidity levels based on indoor and outdoor temperatures to avoid frost and condensation build-up on your windows. If you notice condensation or frost on the windows adjust reduce this setting by 1 and continue to observe the windows for a few days.

  • Page 32: Dehumidifier Configuration Options

    Dehumidifier Configuration Options NOTE: This menu is only available for applications with a dehumidifier configured as an accessory. On Thermostat: Select Menu > (hold) Service > Installation settings > Equipment Setup > Accessory 32 | P a g e...
  • Page 33 Dehum Active The dehumidifier active state setting determines whether the accessory terminals should be open or closed in order to dehumidify. When set to active Open (also referred to as active low), the thermostat will open the output contacts removing voltage from the terminal when it calls for dehumidification.
  • Page 34 Dehumidify with Fan The thermostat will activate the fan output (G) when running the dehumidifier.  Default:  Options: Yes, No 34 | P a g e...
  • Page 35 Dehumidify in Heating By default the dehumidifier will not be run if there is a dehumidification demand while the thermostat is heating. Selecting Yes will allow the thermostat to dehumidify when heating.  Default:  Options: Yes, No 35 | P a g e...
  • Page 36 Minimum Run Time Delta The minimum run time delta helps reduce short cycling of the dehumidifier by running the dehumidifier beyond the setpoint by the selected amount. For example, if your minimum run time delta is 5% and your dehumidification setpoint is 50%, then thermostat will run the dehumidifier until the indoor humidity reaches 45%.

  • Page 37: Ventilator Configuration Options

    Ventilator Configuration Options NOTE: This menu is only available for applications with a ventilator configured as an accessory. On Thermostat: Select Menu > (hold) Service > Installation settings > Equipment Setup > Accessory 37 | P a g e...
  • Page 38 38 | P a g e...
  • Page 39 Type The thermostat optimizes the ventilator operation based on the type of ventilator that is specified by this setting.  Default: Ventilator  Options: Ventilator, HRV, ERV 39 | P a g e...
  • Page 40 Pre-purge Pre-purge will run the ventilator for 1 hour prior to returning to an occupied comfort profile (home, sleep, wake) from an unoccupied profile (away) in order to bring fresh air into the home.  Default: Disabled  Options: Enabled, Disabled 40 | P a g e...
  • Page 41 Occupied & Unoccupied Runtime The occupied and unoccupied runtimes will determine the amount of time the thermostat will run the ventilator every hour for different comfort profiles. The home, wake, and sleep comfort profiles are considered to be occupied profiles and the away comfort profiles are considered to be an unoccupied profile.
  • Page 42 Free Cooling Enable NOTE: This menu is not available for heat recovery (HRV) or energy recovery ventilator (ERV) types. Free cooling takes advantage of the outdoor weather conditions to provide to help cool your home without using your AC or heat pump. When the outdoor conditions are right, the thermostat will use the ventilator to bring in outdoor air to cool your home.
  • Page 43 Free Cooling Max Outdoor Temp NOTE: This menu is not available for heat recovery (HRV) or energy recovery ventilator (ERV) types. When Free Cooling is enabled, the maximum outdoor temperature setting will put an upper limit on the free cooling algorithm based on the outdoor temperature. If the outdoor temperature is above this setting the thermostat will not engage free cooling even if the indoor temperature is higher than the cool to setpoint.
  • Page 44 Free Cooling Max Outdoor Humidity NOTE: This menu is not available for heat recovery (HRV) or energy recovery ventilator (ERV) types. When Free Cooling is enabled, the maximum outdoor humidity setting will put an upper limit on the free cooling algorithm based on the outdoor humidity. If the outdoor humidity level is above this setting the thermostat will not engage free cooling even if the indoor temperature is higher than the cool to setpoint.
  • Page 45 Free Cooling Temperature Delta NOTE: This menu is not available for heat recovery (HRV) or energy recovery ventilator (ERV) types. When Free Cooling is enabled, the minimum temperature delta will put a lower limit on engaging Free Cooling based on the difference between the indoor temperature and the cool to setpoint.
  • Page 46 Maximum Setpoint Delta NOTE: This menu is not available for heat recovery (HRV) or energy recovery ventilator (ERV) types. When Free Cooling is enabled, the maximum setpoint delta will put an upper limit on engaging Free Cooling based on the difference between the indoor temperature and the cool to setpoint.
  • Page 47 Dehumidify in Winter NOTE: This menu is only available for heat recovery ventilators (HRV). When enabled, if the outdoor conditions are right then the thermostat will use the heat recovery ventilator to dehumidify the house during heating.  Default: Disabled ...

  • Page 48: View Wiring

    View Wiring The View Wiring screen displays all the connections the thermostat is currently configured to control, including accessories. On Thermostat: Select Menu > (hold) Service > Installation settings > Equipment Setup > View Wiring The example below shows a single-transformer (Rc only), single-stage heat pump (Y1) with single stage auxiliary heat (W1) and a thermostat powered accessory is connected (ACC+ only).

  • Page 49: Reconfigure Equipment

    Reconfigure Equipment Reconfigure Equipment can be used to reconfigure the equipment connected to the thermostat without resetting your account or the thermostat preferences. This can be useful in the event that an accessory has been added to your system or you have moved and taken the thermostat with you.
  • Page 50 50 | P a g e...

  • Page 51: Thresholds

    Thresholds This menu lets you configure the temperature and time thresholds associated with the heating and cooling equipment’s sequence of operation. You must configure Equipment Setup before setting the thresholds. Depending on your system's equipment, not all options may be available. On Thermostat: Select Menu >...

  • Page 52: Compressor Configurations

    Compressor Configurations Cooling Differential Temperature The minimum difference between the indoor temperature and the cooling setpoint before the system will turn on for all occupied comfort profiles (Home, Wake, & Sleep). A setpoint of 70 F with a cooling differential temperature setting of 0.5 F, will energize cooling at 70.5 F .
  • Page 53 Heating Differential Temperature NOTE: For non-heat pump applications this setting is found in the Heating Configuration menu. The minimum difference between the indoor temperature and the heating setpoint before the system will turn on in an occupied comfort profile (Home, Wake, Sleep).
  • Page 54 Cooling Fan Optimization (Blower Off Delay) Once a cooling cycle ends the fan will continue to run for this time period. This is also known as the blower off delay for cooling. The longer the time, the more cooling is pulled out of the coil but the warmer r the temperature is at the end of the cycle.
  • Page 55 Heating Fan Optimization (Blower Off Delay) NOTE: For non-heat pump applications this setting is found in the Heating Configuration menu. Once a heating cycle ends the fan will continue to run for this time period. This is also known as the blower off delay, for heating. The longer the time, the more heat is pulled out of the heat exchanger but the cooler the temperature is at the end of the cycle.
  • Page 56 Compressor Minimum On Time Once a cooling cycle is started it will run a minimum of this amount of time regardless of the demand. This setting is used to prevent the equipment from short cycling.  Default: 5 minutes  Options: Between 1 and 20 minutes On Thermostat: Select Menu >...
  • Page 57 Compressor Minimum Off Time After a cycle has ended, the compressor must be off for this time before starting up again. This setting is used to allow the refrigerant pressures to equalize in the system so the compressor is not started up under load, which can cause thermal limit trips.
  • Page 58 Compressor Reverse Staging When enabled, the thermostat can go from stage 2 to stage 1 as it approaches setpoint. This setting allows the compressor to run longer cycles at stage 1 for greater efficiency. If it is desired that the system not switch back and forth from stage 1 to stage 2 then back the stage 1 before turning off, this setting should be disabled.
  • Page 59 F prioritizes comfort over efficiency. When set to Auto, the Carrier control algorithms decide when to stage, prioritizing efficiency over comfort. In Auto, Carrier control algorithms may not engage high stage for up to 10 minutes after a manual setpoint adjustment.
  • Page 60 The maximum amount of time to run stage 1 before engaging stage 2. This prevents stage 1 from running for an excessive amount of time before compressor stage 2 is engaged. When set to Auto, the Carrier control algorithms decide when to stage.

  • Page 61: Auxiliary Heat Configuration (Heat Pumps)

    Auxiliary Heat Configuration (Heat Pumps) Auxiliary heat configuration manages the settings for the heat pumps auxiliary heating terminals (W1 and W2). Auxiliary Heat Minimum On Time (Heat Pumps) This will require the system to operate the auxiliary heat for a minimum time once it has started regardless of demand in order to prevent short cycling.
  • Page 62 Fancoil Staging (Heat Pumps) This is for heat pump systems that have three stages of electric resistance heat using W1 and W2. When enabled, the thermostat will control the fancoil’s electric heaters activating only W1 for stage 1, only W2 for stage 2, and both W1+W2 for stage 3.
  • Page 63 Auxiliary Heat Reverse Staging (Heat Pumps) On a 2 stage Heat Pump, the auxiliary heat reverse staging setting controls the reverse staging of the auxiliary heat terminals W1 and W2. Steps down from stage 2 to stage 1 as the temperature reaches setpoint ...
  • Page 64 F prioritizes comfort over efficiency. When set to Auto, the Carrier control algorithms decide when to stage, prioritizing efficiency over comfort. In Auto, Carrier control algorithms may not engage high stage for up to 10 minutes after a manual setpoint adjustment.
  • Page 65 W1 and W2. The maximum amount of time to run stage 1 before engaging stage 2. The factory default is Auto, which uses Carrier control algorithms to decide when to engage auxiliary heat.  Default: Auto ...
  • Page 66 Auxiliary Heat Lockout Temperature (Heat Pumps) NOTE: An internet connection is required for this feature to operate properly. Auxiliary heat will not be used when the outdoor temperature is above this setting. The auxiliary heat lockout temperature defines the maximum outdoor temperature where the thermostat can engage auxiliary heat.
  • Page 67 Auxiliary Heat Temperature Delta (Heat Pumps) Sets the minimum difference between the indoor temperature and setpoint before engaging auxiliary heat. The factory default is Auto, which uses Carrier control algorithms to decide when to engage auxiliary heat.  Default: Auto ...
  • Page 68 Auxiliary Heat Minimum Delay Time (Heat Pumps) Sets the minimum amount of time to run the compressor before turning on auxiliary heat.  Default: 10 minutes  Options: Between 10 and 120 minutes On Thermostat: Select Menu > (hold) Service > Installation Settings > Operating Thresholds >...

  • Page 69: Heat Configuration (Furnace)

    Heat Configuration (Furnace) The settings in this menu set will manage the thresholds for your heating terminals W1 and W2 on a heating system that has a furnace. Heat Differential Temperature (Furnace) The minimum difference between the indoor temperature and the heating setpoint before the system will turn on in an occupied comfort profile (e.g.
  • Page 70 Heating Fan Optimization (Furnace) Once a heating cycle ends the fan will continue to run for this time period. This is also known as the blower off delay, for heating. The longer the time, the more heat is pulled out of the heat exchanger but the cooler the temperature is at the end of the cycle.
  • Page 71 Heating Minimum on Time (Furnace) This will require the system to operate the heat for a minimum time once it has started regardless of demand in order to prevent short cycling. This controls the W1 and W2 terminals.  Default: 5 minutes ...
  • Page 72 Heating Reverse Staging (2 Stage Furnace) On a 2 stage furnace the heating reverse staging setting controls the heating terminals of W1 and W2. The system steps down from stage 2 to stage 1 as the temperature reaches setpoint.  Default: Disabled ...
  • Page 73 F prioritizes comfort over efficiency. When set to Auto, the Carrier control algorithms decide when to stage, prioritizing efficiency over comfort. In Auto, Carrier control algorithms may not engage high stage for up to 10 minutes after a manual setpoint adjustment.
  • Page 74 Heating Stage 1 Maximum Runtime (2 Stage Furnace) The stage 1 maximum runtime setting controls the stage time for the heating terminals W1 and W2. When set to Auto, the Carrier control algorithms decide when to stage.  Default: Auto ...

  • Page 75: Temperature Offset

    Temperature Offset The temperature offset setting can be used for calibration of the indoor temperature reading of the thermostat. For instance, if the thermostat is reading F and the calibration equipment is reading 70 F, then setting this value to -1 will shift the thermostat reading to 70 ...

  • Page 76: Humidity Offset

    Humidity Offset The humidity offset setting can be used for calibration of the indoor humidity reading of the thermostat. For instance, if the thermostat is reading 51% and the calibration equipment is reading 50%, then setting this value to -1% will shift the thermostat reading to 50%.

  • Page 77: Zoning Enabled

    Zoning Enabled When enabled. The thermostat will disable all cycle times to allow the zoning control panel to manage the system cycle times.  Default: Disabled  Options: Enabled/Disabled On Thermostat: Select Menu > (hold) Service > Installation Settings > Thresholds > zoning Enabled 77 | P a g e...

  • Page 78: Variable Speed Blower

    Variable Speed Blower WARNING! Only compatible Carrier variable speed furnaces or fan coils should use the settings in the menu. Using other brands with these settings may damage the equipment. Comfort Heat Pump When heating and the outside temperature is less than 40...
  • Page 79 Super Dehumidification This option is only available when the thermostat accessory terminal (ACC+) is configured for dehumidifier that is active open and thermostat powered.  Default: Disabled  Options: Enabled/Disabled On Thermostat: Select Menu > (hold) Service > Installation Settings > Thresholds > Variable Speed Blower >...

  • Page 80: Test Equipment

    Test Equipment This menu lets you test the wiring and connections of the devices connected to the thermostat by turning them on or off. WARNING! Relay tests should only be performed by a qualified HVAC contractor. Compressor protection and minimum run-time features are not enforced while in this mode.

  • Page 81: Dehumidification Options

    Dehumidification Options Dehumidification Options for Most Cooling Equipment Cool to Dehumidify Cool to dehumidify can be used on any product. This feature simply over cools until there is no longer a call to dehumidify or until the indoor temperature reaches a user F –...

  • Page 82: Dehumidification Options With Variable Speed Carrier Equipment

    Dehumidification Options with Variable Speed Carrier Equipment NOTE: See below for capable equipment. Standard Dehumidification This feature uses the Dehum terminal on the indoor control board to slow the fan speed down (80% to 90%) when there is a call for dehumidification. This feature is engaged by connecting the Dehum terminal on the indoor unit to the ACC+ terminal on the thermostat.

  • Page 83: Ideal Humidity System Technology (Standard Dehumidification + Super Dehumidification)

    Ideal Humidity System Technology (Standard Dehumidification + Super Dehumidification) This feature takes advantage of the intelligence within the Carrier equipment to increase the dehumidification of the cooling cycle. When there is a demand for cooling and not humidity, the system runs normal.

  • Page 84: Ideal Humidity System ® Technology With Fk/Fv Fan Coils

    ® Ideal Humidity System Technology with FK/FV Fan Coils Standard Dehumidification: When there is a call for cooling and a call for dehumidification, the fan coil delivers airflow which is approximately 80% of the nominal cooling airflow to increase the latent capacity of the system. Super Dehumidification: When there is no call for cooling but a call for dehumidification, airflow is reduced to 50% of the cooling airflow set up and the unit is automatically set to overcool up to 3...
  • Page 85 Set to 4) During the Guided Setup process you will be asked the following three questions: a. Press Yes b. Press Yes 85 | P a g e...
  • Page 86 c. Press Dehumidifier NOTE: The DHUM on fan coil board is active in the open state. The ACC+ terminal for dehumidifiers is defaulted to active open. So, no other changes are necessary. You can double check this setting on the thermostat: Menu >...
  • Page 87 c. Press Operation thresholds d. Scroll down e. Press Variable speed f. Warning will appear, press OK g. Press Super Dehumidify 87 | P a g e...

  • Page 88: Standard Dehumidification With Fv/Fk Fan Coils

    h. Press Enabled and Save 7) Congratulations, the fan coil, air conditioner or heat pump and thermostat will now work together to bring you all the benefits of Ideal Humidity System® Technology. Standard Dehumidification with FV/FK Fan Coils Enhanced dehumidification is achieved by reducing the blower speed to 80% of the cooling blower speed during a call for dehumidification.
  • Page 89 2) Remove jumper on easy-select board. a. Remove J1 jumper to allow for standard dehumidification control. b. Remove J1 and J2 for applications where two stages of heating are configured on the thermostat (W1 and W2). 3) If you want no off delay, set the blower delay to 0/0. This turns blower off immediately at the end of each cooling cycle to prevent re-evaporation of water on the coil.
  • Page 90 4) During the Guided Setup process you will be asked the following three questions: a. Press Yes b. Press Yes c. Press Dehumidifier NOTE: The DHUM on fan coil board is active in the open state. The ACC+ terminal for dehumidifiers is defaulted to active open. So, no other changes are necessary.
  • Page 91 6) (Optional) Configure Cool to Dehumify a. Select Menu > Profiles > Humidity Profiles > Dehumidification Setpoint b. Default: Disabled c. Options: Overcool temperature between 0.5oF and 5oF or disabled Humidity setpoint between 46% and 58% If Cool to Dehumidify is disabled, you will get the following operation 7) Congratulations, you have now set-up the system for dehumidification.

  • Page 92: Standard Dehumidification With Fx4 Multi-Tap Ecm Fan Coils

    Standard Dehumidification with FX4 Multi-tap ECM Fan Coils For better dehumidification, the ACC+ terminal on the thermostat can be used to control a speed tap when there is a No call for dehumidification. The G terminal will be used to control a speed tap when there is a call for dehumidification.
  • Page 93 NOTE: Nothing needs to be connected to the ACC Terminal. 3) During the Guided Setup process you will be asked the following three questions: a. Press Yes b. Press Yes 93 | P a g e...
  • Page 94 c. Press Dehumidifier NOTE: The DHUM on fan coil board is active in the open state. The ACC+ terminal for dehumidifiers is defaulted to active open. So, no other changes are necessary. You can double check this setting on the thermostat: Menu >...

  • Page 95: Ideal Humidity System Technology With Infinity Furnaces

    ® ® Ideal Humidity System Technology with Infinity Furnaces ® ® Infinity units are capable of full Ideal Humidity System Technology which includes Super Dehumidification. 1) Dehumidification: When there is a call for cooling and a call for dehumidification, the furnace delivers airflow which is 86% of the nominal cooling. 2) Super Dehumidification: When there is a demand for dehumidification without a demand for cooling, the furnace will run at 65% of the nominal cooling speed for a maximum of 10 min per cycle.
  • Page 96 b. Press Yes c. Press Dehumidifier NOTE: The DHUM on the furnace board is active in the open state. The ACC+ terminal for dehumidifiers is defaulted to active open. So, no other changes are necessary. You can double check this setting on the thermostat Menu >...
  • Page 97 b. Press installation settings c. Press Operation thresholds d. Scroll down e. Press Variable speed f. Warning will appear, press OK g. Press Super Dehumidify 97 | P a g e...

  • Page 98: Furnace Dehumidification With Performance Furnaces

    h. Press Enabled and Save 5) Congratulations, the furnace, air conditioner or heat pump and thermostat will now work together to bring you all the benefits of Ideal Humidity System® Technology. Furnace Dehumidification with Performance Furnaces Enhanced dehumidification is achieved by reducing the blower speed to 90% of the cooling blower speed during a call for dehumidification.
  • Page 99 2) During the Guided Setup process you will be asked the following three questions: a. Press Yes b. Press Yes c. Press Dehumidifier NOTE: The DHUM on furnace board is active in the open state. The ACC+ terminal for dehumidifiers is defaulted to active open. So, no other changes are necessary.

  • Page 100: Furnace Dehumidification With Tapped Ecm Motors

    If Cool to Dehumidify is disabled, you will get the following operation 5) Congratulations, you have now set-up the system for dehumidification. Furnace Dehumidification with Tapped ECM Motors Dehumidification on these furnaces is enabled by dropping the blower motor speed from COOL to HEAT for a maximum of 10 minutes before reverting back to COOL speed.
  • Page 101 Set Up Dehumidification on Furnaces with Tapped ECM Motors 1) ACC+ should be connected to the DH terminal on the furnace control. Nothing will be connected to ACC-. 2) During the Guided Setup process you will be asked the following three questions: a.
  • Page 102 b. Press Yes c. Press Dehumidifier NOTE: The DHUM on the furnace board is active in the open state. The ACC+ terminal for dehumidifiers is defaulted to active open. So, no other changes are necessary. You can double check this setting on the thermostat Menu >...

  • Page 103: Furnace Dehumidification With 58Dla/Dlx, 58Cta/58Ctx Models

    If Cool to Dehumidify is disabled, you will get the following operation: 4) Congratulations, you have now set-up the system for dehumidification. Furnace Dehumidification with 58DLA/DLX, 58CTA/58CTX Models These furnaces are equipped with the Dehum terminal on the control board. However; they are equipped with PSC motors.

  • Page 104: Standard Dehumidification With Geothermal

    Standard Dehumidification with Geothermal ® Ideal Humidity System Technology and Super dehumidification are not available on Geothermal at this time. However; extra dehumidification is available by slowing the fan speed (70 – 80%) when there is a call for cooling and dehumidification. Cool to dehumidify is also available.
  • Page 105 b. Press Yes c. Press Dehumidifier 3) Complete the guided installation process. 4) Set dehum active state: By default the thermostat will configure the dehumidifier output (ACC+) as active Open. For geothermal heat pumps configuration setting will need to be changed to active Closed. The setting can be changed on the thermostat by going to: Menu >...

  • Page 106: Dehumidification With An Accessory Dehumidifier

    Dehumidification with an Accessory Dehumidifier When using an accessory dehumidifier, only the Cool to Dehumidify feature is available from the equipment. If you do not engage the Cool to Dehumidify feature, only the fan and the dehumidifier will engage if there is a call for humidity removal without a call for cooling. The equipment may need to be set to dehumidify with the fan.

  • Page 107: Vacation Dehumidification

    Vacation Dehumidification The dehumidification settings works during all modes: home, sleep, awake, away and vacation. In humid climates, humidity may rise above the humidity setpoint. However; the thermostat will not turn on the air conditioner until it reaches the Cool to Dehumidify temperature differential.
  • Page 108 What happens when weather data is not available? This thermostat uses internet based weather data to generate an outdoor air temperature reading for your home’s location. Outdoor air temperature is used as an input for a few features (listed below). If the internet connection to the thermostat is lost, it can continue to operate the equipment normally for up to 8 hours from its last downloaded temperature and weather forecast.
  • Page 109 Why does the thermostat not engage heating / cooling until the indoor temperature drops 2 F below setpoint? The thermostat’s Temperature Differential Settings for heating & cooling determine what indoor temperature to engage the equipment. By default the thermostat is set to run when the difference between setpoint and indoor temperature is more than 0.5 F for occupied comfort profiles (Home, Wake, Sleep).

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