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Carrier TP-WEM01, Advanced Installation And Configuration Instrucrions

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Carrier TP-WEM01 Advanced Installation And Configuration Instrucrions Download Page 23

 

23 | 

P a g e

 

 

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. 

 

  Default: 

Enabled 

  Options: 

Enabled, Disabled 

 

 

 
 

 

Summary of Contents for TP-WEM01

Page 1: ...ervice 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 Dead...

Page 2: ... Fan Coils 84 Standard Dehumidification with FV FK Fan Coils 88 Standard Dehumidification with FX4 Multi tap ECM Fan Coils 92 Ideal Humidity System Technology with Infinity Furnaces 95 Furnace Dehumidification with Performance Furnaces 98 Furnace Dehumidification with Tapped ECM Motors 100 Furnace Dehumidification with 58DLA DLX 58CTA 58CTX Models 103 Standard Dehumidification with Geothermal 104 ...

Page 3: ... options detailed in this document are intended for professional installers only Incorrect configuration may lead to improper operation and equipment damage Each section of this document is outlined in the following structure Section Title Location of this section within the thermostat menus Image showing available features in this section on the thermostat Feature Title Feature Description Defaul...

Page 4: ...ou 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 Single Stage Furnace or Fan Coil with Single Stage A C Do not jumper Rc Rh This is done internally ...

Page 5: ... Two Stage Furnace or Fan Coil with Single or Two Stage A C 2 Stage Heat Pump with 2 Stages of Aux Heat Furnace or Fan Coil Do not jumper Rc Rh This is done internally Do not jumper Rc Rh This is done internally ...

Page 6: ...t Pump Accessory Connection for Dehumidify Operation 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 Do not jumper Rc Rh This is done internally Do not jumper Rc Rh This is done internally ...

Page 7: ... 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 ...

Page 8: ...tion 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 ...

Page 9: ...urrent thermostat does not have a wire connected to C the following options are available 1 Repurpose the G wire as a C wire per instructions below 2 Use a Power Extender Kit TS 2PE01 Power Extender Kit installation instructions for Carrier contractors are available on www HVACpartners com 3 Run an additional wire from your equipment to the thermostat Repurposing the G wire for the C wire Single S...

Page 10: ...10 P a g e 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 ...

Page 11: ...the C connector block on the thermostat NOTE there will no longer be a wire connected to the G terminal at the thermostat 4 Guided Setup a The thermostat automatically detects the wires you ve connected b You will receive a warning the G wire is not connected You must disable Auto Detection by touching the red Override button then touch Yes ...

Page 12: ...12 P a g e c Touch G to turn box green then touch Next d Follow standard installation instructions to complete installation ...

Page 13: ...ds until the service menu with Installation Settings shows Edit Service Information Insert your contact information under Edit Service Information This will ensure the customer has your contact information under the 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...

Page 14: ...ly 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 On Thermostat Select Menu hold Service Installation settings Equipment Setup AC ...

Page 15: ...conditioner below a certain temperature could cause damage to the equipment Enabling the feature will prevent the air conditioner from cooling when the outdoor temperature drops below 55oF Consult your equipment s user manuals to determine if it can be operated safely below 55oF Default Disabled Options Enabled Disabled ...

Page 16: ...16 P a g e Furnace Configuration Options NOTE This menu is only available for furnace applications On Thermostat Select Menu hold Service Installation settings Equipment Setup Furnace ...

Page 17: ...or 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 Enable this feature if you want the thermostat to control the fan Default Disabled for furnace applications Options Enabled Disabled ...

Page 18: ...18 P a g e 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 ...

Page 19: ...19 P a g e 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 No Options Yes No ...

Page 20: ... 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 ...

Page 21: ...rce a switch from heat pump operation to auxiliary heating When the outdoor temperature drops below this setting the thermostat will stop using the heat pump for heating and only use the auxiliary heat This feature is especially useful for Hybrid Heat dual fuel applications where the auxiliary heat source usually has a higher capacity than the heat pump at low temperature and can therefore help ma...

Page 22: ...t 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 55oF Default Disabled Options Enabled Disabled ...

Page 23: ...s 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 Default Enabled Options Enabled Disabled ...

Page 24: ... fuel applications electric resistance auxiliary heating the default setting is enabled For dual fuel applications fossil fuel auxiliary heating the default setting is disabled Default Enabled for electric resistance auxiliary heating applications Disabled for Hybrid Heat dual fuel applications Options Enabled Disabled NOTE The auxiliary heating type is set and can only be changed in the Guided Se...

Page 25: ...ions 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 ...

Page 26: ...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 Enable this feature if you want the thermostat to control the fan Default Enabled for fancoil applications Options Enabled Disabled ...

Page 27: ...umidifier 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 ...

Page 28: ...28 P a g e Type Optimizes the humidifier operation for either evaporative or steam type humidifiers Default Evaporative Options Evaporative Steam ...

Page 29: ...ether 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 Default Yes for evaporative type humidifiers No for steam type humidifiers Options Yes No ...

Page 30: ... 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 Default 5 Options 2 3 4 5 6 7 8 9 10 ...

Page 31: ...fault 2 Options 1 2 3 4 5 6 7 The homeowner can also access the Window Protect smart feature through the thermostat smartphone app and web portal On the Thermostat and Smartphone App 1 Touch Menu Profiles Humidity Profiles Humidification Setpoint 2 Touch Window Protect then use the up or down arrows to select the desired level between 1 7 with 7 being for the most efficient windows 3 Touch Save On...

Page 32: ...umidifier 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 ...

Page 33: ...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 When set to active Closed also referred to as active high the thermostat will close the output contacts applying voltage to the ACC terminal when it calls for dehumidification Default Open Options Open Closed ...

Page 34: ...34 P a g e Dehumidify with Fan The thermostat will activate the fan output G when running the dehumidifier Default Yes Options Yes No ...

Page 35: ...fy 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 No Options Yes No ...

Page 36: ...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 Default 5 Options 2 3 4 5 6 7 8 9 10 ...

Page 37: ...entilator 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 ...

Page 38: ...38 P a g e ...

Page 39: ...39 P a g e 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 ...

Page 40: ...e 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 ...

Page 41: ...n 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 Default 20 min hr for occupied comfort profiles 0 min hr for unoccupied comfort profiles Options 0 5 10 15 20 50 55 min hr ...

Page 42: ...tilator 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 Default Enabled Options Enabled Disabled ...

Page 43: ...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 Default 72 F Options 0 1 2 3 4 88 89 90 F ...

Page 44: ...ree 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 Default Off Options Off 5 10 15 20 90 95 ...

Page 45: ... 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 If the different between the indoor temperature and setpoint is less than this setting then Free Cooling will not be engaged Default 2 F Options 1 2 3 4 9 10 F ...

Page 46: ...ooling 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 If the different between the indoor temperature and setpoint is greater than this setting then Free Cooling will not be engaged Default Off Options Off 2 3 4 5 15 16 F ...

Page 47: ...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 Options Enabled Disabled ...

Page 48: ...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: ...econfigure Equipment option does not modify all of the existing settings within the installation settings for Equipment Setup Operating Thresholds It is important that each setting be reviewed and updated if necessary for your new equipment If you are unsure it is best to perform a Reset All to reset all of the settings in the thermostat back to default To perform a Reset All on the thermostat go ...

Page 50: ...50 P a g e ...

Page 51: ...bles the thermostat to automatically change between heating and cooling modes as needed This keeps the home above the Heat To temperature and below the Cool To temperature you have selected The deadband temperature is the minimum difference allowed between the Cool To and the Heat To temperature setpoints when in auto mode Adjusting the cooling setpoint downward will push the heating setpoint down...

Page 52: ...l energize cooling at 70 5oF As part of the energy savings algorithms this differential temperature setting is relaxed by 1oF for unoccupied comfort profiles Away In the example above if the thermostat is in the away mode then the system will delay energizing cooling until the indoor temperature reaches 71oF Default 0 5oF Options Between 0 5oF and 3oF in half degree increments On Thermostat Select...

Page 53: ...rature setting of 0 5oF degrees will energize heating at 69 5oF As part of the energy savings algorithms this differential temperature setting is relaxed by 1 oF for unoccupied comfort profiles Away In the example above if the thermostat is in the away mode then the system will delay energizing heating until the indoor temperature reaches 69oF Default 0 5oF Options Between 0 5oF and 3oF in half de...

Page 54: ...r the time the more cooling is pulled out of the coil but the warmer r the temperature is at the end of the cycle The actual blower off delay will always be the longest of the equipment setting or the thermostat setting Default 0 seconds Options Between 0 and 900 seconds On Thermostat Select Menu hold Service Installation Settings Thresholds Compressor Configurations Cooling Fan Optimization ...

Page 55: ...s 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 The actual blower off delay will always be the longest of the equipment setting or the thermostat setting Default 0 seconds Options Between 0 and 900 seconds On Thermostat Select Menu hold Service Installation Settings Thresholds Compres...

Page 56: ...um 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 hold Service Installation Settings Thresholds Compressor Configurations Compressor Minimum On Time ...

Page 57: ...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 Default 5 minutes Options Between 5 and 15 minutes On Thermostat Select Menu hold Service Installation Settings Thresholds Compressor Configurations Compressor Minimum Off Time ...

Page 58: ...nger 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 Default Disabled Options Enabled Disabled On Thermostat Select Menu hold Service Installation Settings Thresholds Compressor Configurations Compressor reverse staging ...

Page 59: ...y The default setting of 3oF 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 Default 3oF Options Between 1oF and 10oF or Auto On Thermostat Select Menu hold Service Installation Settings Th...

Page 60: ...om 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 Default Auto Options Between 10 and 120 minutes or Auto On Thermostat Select Menu hold Service Installation Settings Thresholds Compressor Configurations Compressor stage 1 maximum runtime ...

Page 61: ...at 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 This controls the W1 and W2 terminals Default 5 minutes Options Between 1 and 20 minutes On Thermostat Select Menu hold Service Installation Settings Operating Thresholds Auxiliary Heat Configuration Auxiliary heat minimum on time ...

Page 62: ... control the fancoil s electric heaters activating only W1 for stage 1 only W2 for stage 2 and both W1 W2 for stage 3 WARNING The fancoil staging feature should only be used with compatible equipment Default Disabled Options Enabled Disabled On Thermostat Select Menu hold Service Installation Settings Operating Thresholds Auxiliary heat Configuration Fancoil Staging ...

Page 63: ...ntrols the reverse staging of the auxiliary heat terminals W1 and W2 Steps down from stage 2 to stage 1 as the temperature reaches setpoint Default Disabled Options Enabled Disabled On Thermostat Select Menu hold Service Installation Settings Operating Thresholds Auxiliary heat Configuration Auxiliary Heat Reverse Staging ...

Page 64: ... 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 WARNING Reducing this temperature will increase auxiliary heat run time Default 3oF Options Between 1oF and 10oF or Auto On Thermostat Select Menu hold Service Installation Set...

Page 65: ...2 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 Options Between 10 120 minutes or Auto On Thermostat Select Menu hold Service Installation Settings Operating Thresholds Auxiliary heat Configuration Auxiliary Heat Stage 1 Max Runtime ...

Page 66: ...lockout temperature defines the maximum outdoor temperature where the thermostat can engage auxiliary heat For instance if the setting is 70oF and the outdoor temperature is 75oF then the thermostat will not engage auxiliary heat regardless of demand Default 70oF Options Between 5oF and 80oF On Thermostat Select Menu hold Service Installation Settings Operating Thresholds Auxiliary heat Configurat...

Page 67: ...efore engaging auxiliary heat The factory default is Auto which uses Carrier control algorithms to decide when to engage auxiliary heat Default Auto Options Between 1oF and 10oF or Auto On Thermostat Select Menu hold Service Installation Settings Operating Thresholds Auxiliary heat Configuration Auxiliary Heat Temperature Delta ...

Page 68: ...um 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 Auxiliary heat Configuration Auxiliary Heat Minimum Delay time ...

Page 69: ...setpoint of 70oF with a heating differential temperature setting of 0 5oF degrees will energize heating at 69 5oF As part of the energy savings algorithms this differential temperature setting is relaxed by 1oF for unoccupied comfort profiles Away In the example above if the thermostat is in the away mode then the system will delay energizing heating until the indoor temperature reaches 69oF Defau...

Page 70: ...e time the more heat is pulled out of the heat exchanger but the cooler the temperature is at the end of the cycle The actual blower off delay will always be the longest of the equipment setting or the thermostat setting Default 0 Options Between 0 and 900 seconds On Thermostat Select Menu hold Service Installation Settings Operating Thresholds Heat Configuration Heating Fan Optimization ...

Page 71: ...inimum time once it has started regardless of demand in order to prevent short cycling This controls the W1 and W2 terminals Default 5 minutes Options Between 1 and 20 minutes On Thermostat Select Menu hold Service Installation Settings Operating Thresholds Heat Configuration Heating Minimum On Time ...

Page 72: ... 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 Options Enabled Disabled On Thermostat Select Menu hold Service Installation Settings Operating Thresholds Heat Configuration Heating Reverse Staging ...

Page 73: ...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 Default 3oF Options Between 1oF and 10oF or Auto On Thermostat Select Menu hold Service Installation Settings Operating Thresholds Heat Configuration Heating Stage 2 ...

Page 74: ...he stage time for the heating terminals W1 and W2 When set to Auto the Carrier control algorithms decide when to stage Default Auto Options Between 10 and 120 minutes or Auto On Thermostat Select Menu hold Service Installation Settings Operating Thresholds Heat Configuration Heating Stage 1 Maximum Runtime ...

Page 75: ...l temperature readings This means if multiple of the same thermostat model were installed side by side it would be normal for different current temperatures to be displayed e g one at 72oF and one at 71oF However there are product features and installation steps you can take to help ensure a comfortable environment Installation best practices for temperature accuracy 1 Minimize the effect of air l...

Page 76: ...odel were installed side by side it would be normal for different current humidity to be displayed e g one at 52 and one at 51 However there are product features and installation steps you can take to help ensure a comfortable environment Installation best practices for humidity accuracy 1 Minimize the effect of air leakage excess wiring should be pushed into the wall and the hole should be sealed...

Page 77: ... 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 ...

Page 78: ...mfort Heat Pump When heating and the outside temperature is less than 40oF the thermostat will run the blower at a lower speed delivering noticeably warmer air reducing uncomfortable draft providing more consistent temperatures and quieter operation Default Disabled Options Enabled Disabled On Thermostat Select Menu hold Service Installation Settings Thresholds Variable Speed Blower OK Comfort Hea...

Page 79: ...n 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 OK Super dehumidify ...

Page 80: ...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 The equipment will turn off when you exit the menu On Thermostat Select Menu hold Service Installation Settings Test Equipment Next ...

Page 81: ...ure setpoint 1oF 5oF It does not have the Ideal Humidity System technology algorithm that adjusts humidity based on temperature This feature is disengaged if Super Dehumidification is engaged Below is a graph showing Cool to Dehumidify operation without a dehumidification accessory e g whole home dehumidifier On Thermostat Select Menu Profiles Humidity Profiles Dehumidification Setpoint Default Di...

Page 82: ... the Dehum terminal on the indoor unit to the ACC terminal on the thermostat The Guided Setup process installation screens will then be used to make the ACC terminal work with the equipment Dehum feature Specific installation instructions can be found in each indoor product section below Standard Dehumidification can also be configured to extend below setpoint to overcool at the slower speed for m...

Page 83: ...above 2 Super Dehumidification When there is a demand for dehumidification without a demand for cooling the thermostat will run the equipment in cooling mode at 50 65 of cooling speed dependent on the equipment 3 SmartEvap The blower will shut down within 5 seconds after a cooling cycle to prevent re evaporation of the water on the coil When in continuous fan the blower will start again after 5 mi...

Page 84: ...ool up to 3oF The blower delay needs to be set to zero off delay to prevent re evaporation of the water on the coil It is advisable to always set the off delay to zero and allow the thermostat to control the off delay Set up Ideal Humidity System Technology on an FK FV fan coil 1 ACC should be connected to the DH terminal 2 Remove jumper on easy select board a Remove J1 jumper to allow for standar...

Page 85: ...85 P a g e 4 During the Guided Setup process you will be asked the following three questions a Press Yes b Press Yes Set to 0 0 ...

Page 86: ...5 Complete the Guided Setup installation process 6 Configure Super Dehumidification For quick reference you will take the following steps a Press and hold the Service icon until the screen changes about 10 sec b Press Installation settings c Press Operating thresholds d Scroll down to Variable speed blower and press Variable speed blower e Press OK on warning screen f Press Super dehumidify g Pres...

Page 87: ...87 P a g e c Press Operation thresholds d Scroll down e Press Variable speed f Warning will appear press OK g Press Super Dehumidify ...

Page 88: ...midification 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 You can also choose to use Cool to Dehumidify and set the cooling off delay to 0 to prevent re evaporating water on the coil after a cooling cycle Set Up Standard Dehumidification on an FK FV Fan Coil 1 ACC should be connected to ...

Page 89: ...cation 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 Set to 0 0 ...

Page 90: ...er 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 hold Service Installation Settings Equipment Setup Accessory Dehum open 5 Complete the Guided Setup installation process ...

Page 91: ...es 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: ...eed taps correctly Set Up Standard Dehumidification on an FX4 Fan Coil 1 Connect the ACC terminal to the speed tap designed for cooling when there is NO demand for dehumidification Recommended minimum of 350 CFM ton i e Cooling speed tap 2 The G terminal should be connected to the Dehumidification speed tap Required Minimum of 315 CFM ton For example ACC will be set to active open and can be conne...

Page 93: ...93 P a g e 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 ...

Page 94: ...lation Settings Equipment Setup Accessory Dehum open 4 Complete the Guided Setup installation process 5 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 6 ...

Page 95: ...ower speed will revert back to the dehumidification speed of 86 Normal staging algorithms between low stage and high stage cooling are applied during super dehumidification Super dehumidification setting automatically over cools up to 3oF 3 SmartEvap The blower will shut down within 5 seconds after a cooling to prevent re evaporation of the water on the coil NOTE When Super Dehumidification is ena...

Page 96: ... Accessory Dehum Open 3 Complete the Guided Setup installation process 4 Configure Super Dehumidification For quick reference you will take the following steps a Press and hold the Service icon until the screen changes about 10 sec b Press Installation settings c Press Operating thresholds d Scroll down to Variable speed blower and press Variable speed blower e Press OK on warning screen f Press S...

Page 97: ...97 P a g e 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 ...

Page 98: ...peed during a call for dehumidification You can also choose to use Cool to Dehumidify and set the cooling off delay to 0 to prevent re evaporating water on the coil after a cooling cycle When the call for cooling is satisfied and there is a demand for dehumidification the cooling blower off delay is decreased from 90 seconds to 5 seconds If unit is in continuous fan there will not be an off delay ...

Page 99: ... active open So no other changes are necessary You can double check this setting on the thermostat Menu hold Service Installation Settings Equipment Setup Accessory Dehum Open 3 Complete the Guided Setup installation process 4 Optional Configure Cool to Dehumify a Select Menu Profiles Humidity Profiles Dehumidification Setpoint b Default Disabled c Options Overcool temperature between 0 5oF and 5o...

Page 100: ...dify is being engaged the blower continues to alternate until thermostat humidity is satisfied or the over cool setpoint is reached When the call for cooling is satisfied and there is still a demand for dehumidification the cooling blower off delay is decreased to 5 sec On two stage outdoor units dehumidification is not active during low stage cooling Low stage cooling speed is also the HEAT speed...

Page 101: ...ion 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 Press Yes ...

Page 102: ...her changes are necessary You can double check this setting on the thermostat Menu hold Service Installation Settings Equipment Setup Accessory Dehum Open 3 Optional Configure Cool to Dehumidify 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 ...

Page 103: ...otor speed taps correct See furnace installation for motor performance Some places with very low humidity like to run AC units at high airflow This high airflow limits the amount of moisture removed by the air conditioner Under most conditions this is o k However sometimes when people are boiling water etc humidity can become an issue This furnace allows you to run high airflow when no moisture re...

Page 104: ...e 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 Set Up Dehumidification on Geothermal Systems 1 Wiring ACC should be connected to the DH terminal 2 During the Guided Setup process you will be asked the following three questions a Press Yes ...

Page 105: ... 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 hold Service Installation Settings Equipment Setup Accessory Dehum Active 5 Congratulations you have correctly set up the geothermal system ...

Page 106: ...ngage 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 To select this option press and hold the Service button until the screen changes 10 sec press Equipment setup then dehumidifier then set dehum with fan to Yes Finally Save ...

Page 107: ...ighest efficiency while preventing short cycling and the use of costly auxiliary heat When there is a call for heating or cooling the system computes how long it would take for the system to reach the desired setpoint while running the equipment for at least 10 minutes For heat pumps with auxiliary heat the operation of the auxiliary heat will depend on the configuration of the Allow heat pump and...

Page 108: ...nimum delay time Cooling Lockout unit will try to run whenever there is a call for cooling Can I calibrate the thermostat s temperature reading Temperature sensors used in modern thermostats have defined tolerance intervals of normal temperature readings This means if multiple of the same thermostat model were installed side by side it would be normal for different current temperatures to be displ...

Page 109: ...an 1 5oF The occupied comfort profile Differential Settings are adjustable Why is the thermostat generating an auxiliary heat alert The thermostat can be configured to generate alerts when auxiliary heat has been running for a long time or when auxiliary heat is running above a given outdoor temperature These alerts are intended to be informative and can be adjusted or disabled at any time on the ...

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