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5407934-UIM-C-1119

Johnson Controls Ducted Systems

9

The system is connected by four wires. Two of the wires are used to
bring power to the individual controls (R and C), and two of the wires are
used for serial communication (A+ and B-).
Variable capacity outdoor units only require three wires. Variable capac-
ity equipment has its own transformer, so it does not require an R con-
nection between the indoor and outdoor equipment.

FIGURE 3:

High-Level Wiring Path

FIGURE 4:

Wiring Diagram - Fully Communicating System Components

Z

KDD͘

KDD͘

$*5((1:,5(
55(':,5(
&%/$&.:,5(
%%/8(:+,7(:,5(

$ 5 & %

$ 5 & %

$ 5 & %

287'22581,7

,1'22581,7

$

'2127
FRQQHFWWR
YDULDEOHFDSDFLW\
RXWGRRUHTXLSPHQW

Touch Screen

Communicating

Control

VS Air Handler/Furnace

Communicating

Control

Air Conditioner/Heat Pump

Communicating

Control

A+

R

GND

B-

A+

R

C

B-

A+

R

C

B-

A0611-002

DO NOT connect to variable capacity outdoor equipment.

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Содержание Hx 3 S1-THXU430W

Страница 1: ... LOCATION 5 MOUNTING THE THERMOSTAT 5 INSTALLING A NEW THERMOSTAT 6 WIRING COMMUNICATION 8 WIRING REQUIREMENTS 8 SYSTEM WIRING OVERVIEW 8 HUMIDIFIER CONNECTION 25 HUMIDIFICATION AND DEHUMIDIFICATION 28 INITIAL POWER UP 30 POWER UP 31 SYSTEM CONFIGURATION 31 SOFTWARE UPDATES 36 SERVICE MODE 37 ACCESSING SYSTEM SETTINGS 37 SYSTEM SETTINGS 38 FAULTS AND SYSTEM EVENTS 47 AIRFLOW CONFIGURATION 64 FORCE...

Страница 2: ... feature set available you must connect the Hx 3 Touch Screen Thermostat to Wi Fi For ease of installation and to ensure the thermostat has the latest soft ware updates make sure that Wi Fi access is available through the homeowner s Wi Fi network or a mobile hotspot SECTION II SAFETY CONSIDERATIONS This is a safety alert symbol When you see this symbol on labels or in manuals be alert to the pote...

Страница 3: ...s to the non com municating air conditioner per communicated commands by the thermostat Installing communicating controls in non communicating Ducted Systems products Installing a communicating interface control which converts com municating commands into 24 VAC outputs CONVENTIONAL COMPATIBILITY CHECK The Hx 3 Touch Screen Thermostat works with 24 VAC systems and requires both R and C 24 VAC conn...

Страница 4: ...s provided with indoor outdoor and accessory equipment with which the thermostat is used This manual contains information about setup operation and trouble shooting Short videos illustrating the installation setup and configura tion of the Hx 3 Touch Screen Thermostat are available at www simplygettingthejobdone com in the Academy TV application Installers must be trained experienced service techn...

Страница 5: ...aled pipes and chimneys Unconditioned areas such as an outside wall MOUNTING THE THERMOSTAT For most installations you the installer can mount the thermostat by following the basic installation steps outlined below However there may be some cases where you are not able to penetrate the wall where you are mounting the thermostat or where the thermostat being replaced has left a larger hole than nee...

Страница 6: ...locations align with prior locations 3 If the thermostat base does not align with the existing anchor holes mark the new screw locations with a pencil Drywall Drill a 3 16 in hole for the anchor and install Plaster Drill a 7 32 in hole for the anchor and install 4 If the remote sensor is to be used pull the wires through and connect them to the S1 and S2 terminals Use the ambient sensor S1 0254268...

Страница 7: ...ector opening and releasing the tab to complete 8 Ensure the thermostat base is positioned with the UP arrow pointing upwards See Figure 2 9 Align the four positioning tabs with the four slots on the back side of the screen and gently press the screen into place 10 Fasten the screen to the thermostat base with the two retaining screws provided The thermostat may be wired conventionally For wiring ...

Страница 8: ...hich can cause erratic system operation SYSTEM WIRING OVERVIEW WARNING If using the thermostat with variable capacity outdoor equipment DO NOT connect to the R terminal of the outdoor unit control board TABLE 2 Terminal Designations Signal Definition Label Data Non inverted signal A Low voltage power hot 24 VAC Hot R Low voltage power common and data ground 24 VAC Common C Data Inverted signal B N...

Страница 9: ...ts own transformer so it does not require an R con nection between the indoor and outdoor equipment FIGURE 3 High Level Wiring Path FIGURE 4 Wiring Diagram Fully Communicating System Components Z KDD KDD 5 1 5 5 5 5 5 8 7 5 5 5 5 287 225 81 7 1 225 81 7 2 127 FRQQHFW WR YDULDEOH FDSDFLW RXWGRRU HTXLSPHQW Touch Screen Communicating Control VS Air Handler Furnace Communicating Control Air Conditione...

Страница 10: ...e Non Communicating AC Air Handler Furnace Communicating Control Variable Capacity AC Heat Pump Communicating Control Hx3 Thermostat Indoor EEV A0826 003 C B R A C B R A C B R A A R B C C B R A A R C B A R GND B LO COMP HI COMP O DHUM Y1 Y Y2 W R G C Y Y2 R C Modulating Furnace Communicating Control Non Communicating Air Conditioner A0612 004 Hx3 Thermostat ...

Страница 11: ...eat pump control see bottom of figure The communi cating terminals shown are in parallel Connect to either terminal WARNING ELECTRICAL OPERATION HAZARD Failure to follow this warning could result in personal injury death or equipment damage Before installing modifying or servicing the sys tem the main electrical disconnect switch must be in the OFF posi tion There may be more than one disconnect s...

Страница 12: ...5407934 UIM C 1119 12 Johnson Controls Ducted Systems FIGURE 7 Communicating Outdoor Controls AC and Heat Pump 20081 7 1 7 50 1 6 20081 7 1 7 50 1 6 20081 7 1 21752 20081 7 1 7 3803 21752 ...

Страница 13: ...ted Systems 13 FIGURE 8 Variable Capacity Equipment AC Heat Pump Control FIGURE 9 2 Stage AC Heat Pump Control COMMUNICATING TERMINALS A0827 002 DO NOT connect indoor equipment R connection to this terminal COMMUNICATING TERMINALS A0951 001 ...

Страница 14: ...onnectors commonly referred to as wire nuts 5 Push excess wiring into the low voltage wiring compartment of the outdoor unit 6 Set the wires that are now connected with wire connectors into the junction box of the control housing 7 Set the appropriate outdoor jumper settings to ensure proper control functionality See Table 3 WARNING ELECTRICAL OPERATION HAZARD Failure to follow this warning could ...

Страница 15: ...into the low voltage wiring compartment of the outdoor unit 5 Set the appropriate outdoor jumper settings to ensure proper control functionality See Table 3 Control Wiring Using Communicating Controls Variable Capacity Outdoor Models 1 Disconnect all high voltage power from the system 2 The outdoor unit contains a wire harness for communicating wiring A plastic connector used in manufacturing is l...

Страница 16: ... COMMUNICATIONS PORT COMMUNICATIONS HARNESS shown through control box and low voltage shield OUTDOOR DISPLAY CONTROL BOARD A0614 003 DO NOT connect field low voltage thermostat wiring to this connection Use the supplied wiring harness PLASTIC CONNECTOR cut off plastic connector to connect thermostat wiring ...

Страница 17: ...ng TABLE 3 Outdoor Jumper Settings Unit Control Jumpers That Must Be Set Heat Pump Fossil Fuel Set this jumper to ON if using a gas furnace Air Conditioner No jumpers to set Variable Capacity AC HP No jumpers to set COMMUNICATIONS PORT COMMUNICATIONS HARNESS SHOWN THROUGH CONTROL BOX CONTROL BOARD A0950 001 ...

Страница 18: ... voltage power from the system 2 Locate the factory installed low voltage wire harness at the bottom of the control box 3 Connect the three low voltage wires using wire connectors See Fig ure 12 for the wiring diagram WARNING DO NOT connect the R terminal from the thermostat to the unit control board ...

Страница 19: ...acity Outdoor Unit 32 5 5 1 21752 5 1 725 5 1 5 5 1 72 1 25 1 7 75 2 1 1 25 2 7 50 1 2 21752 2 5 1 8 851 25 5 1 5 7 50 1 2 7 50267 7 287 225 81 7 287 225 5 1 0867 7 53522 86 233 5 21 8 7256 21 32 5 5 1 92 7 21752 5 1 0 1 080 5 1 66 5 2 127 FRQQHFW WKH 5 WHUPLQDO IURP WKH WKHUPRVWDW WR WKH XQLW FRQWURO ERDUG 7 51 ...

Страница 20: ...to connect the other end of the pigtail to the other wires Failure to do this results in nuisance communication error faults See Figure 13 FIGURE 13 Multi Wire Terminal Connection FIGURE 14 Communicating Indoor Controls Air Handler 5 211 725 7 50267 7 7 50 1 6 5 127 QVXUH RQO RQH ZLUH XQGHU WHUPLQDO VFUHZ 7R FRQQHFW PRUH WKDQ RQH ZLUH 5 5 1 5 20081 7 1 21752 2 5 RQQHFW RQO WHUPLQDO HQG RI ZLUH SLJ...

Страница 21: ...5407934 UIM C 1119 Johnson Controls Ducted Systems 21 FIGURE 15 Communicating Indoor Controls Furnaces 20081 7 1 02 8 7 1 851 21752 20081 7 1 7 50 1 6 20081 7 1 67 9 5 63 0 851 21752 3ODFH DEHO HUH ...

Страница 22: ...ostat does not control all the functions you require for example dehumidi fication See Table 4 and refer to the relevant equipment installation manual WARNING ELECTRICAL OPERATION HAZARD Failure to follow this warning could result in personal injury death or equipment damage Before installing modifying or servicing the sys tem the main electrical disconnect switch must be in the OFF posi tion Ther...

Страница 23: ...Be Set Modulating furnace Heat Pump Humidistat Zone Control Air handler AHV Heat Cool Delay Adjust Hum Stat AC HP Air handler AVC AVV MVC Heat Cool Delay Adjust Hum Stat AC HP Air handler AV MV Heat No Heat Heat Cool Delay Adjust Hum Stat AC HP 2 stage variable speed furnace Heat Cool Delay Adjust Hum Stat Heat Pump ...

Страница 24: ...IM C 1119 24 Johnson Controls Ducted Systems FIGURE 16 Indoor Screw Terminal Location MODULATING FURNACE COMMUNICATING PORT AIR HANDLER COMMUNICATING PORT AVC MVC AVV SCREW TERMINAL B GND R A A1247 001 B GND R A ...

Страница 25: ...idi fier see the following figures Bypass Humidifier Communicating Furnace NOTICE Do Not Use a traditional humidistat to control humidifier operation If a humidifier is installed the thermostat can operate the humidifier FIGURE 17 Furnace and Bypass Humidifier B C B R W1 O X L R G Y1 COM A C B R A C B R A HUM OUT HOT NEUTRAL BYPASS HUMIDIFIER 120 VAC 24 VAC TRANSFORMER 120 VAC to 24 VAC HUM OUT A0...

Страница 26: ... relay if using a humidifier of the steam type Line voltage power for a steam humidifier MUST be provided from an alternate power supply FIGURE 18 Air Handler and Bypass Humidifier B C B R A C B R A C B R A HUM OUT HUM HUM C R BYPASS HUMIDIFIER A1248 001 AIR HANDLER COMMUNICATING CONTROL AC HP COMMUNICATING CONTROL W1 O X L R G Y1 COM Y Y2 W2 HUM Hx3 THERMOSTAT ...

Страница 27: ...G Do not exceed the recommended 1 Amp current limit on the 120 VAC HUM OUT connection or furnace control board damage will occur B B R W1 O X L R G Y1 A C FURNACE COMMUNICATING CONTROL AC HP COMMUNICATING CONTROL C B R A C B R A HUM OUT HOT NEUTRAL JUMPER FAN POWERED HUMIDIFIER 120 VAC PLUP WALL OUTLET GND LUG Y Y2 HUM COM W2 A0620 003 Hx3 THERMOSTAT ...

Страница 28: ...llowing tables show humidification and dehumidification options for each system type For more information about humidification and dehumidification settings see the System Settings Overview section FIGURE 20 Air Handler and Fan Powered Humidifier B C B R W1 O X L R G Y1 COM A C B R A C B R A HUM OUT HUM HUM CONTACTOR WALL OUTLET AIR HANDLER COMMUNICATING CONTROL AC HP COMMUNICATING CONTROL 120 VAC...

Страница 29: ... is only available if a humidifier is installed Gas furnaces provide a 120 VAC output for a power humidifier or a con trol transformer if a bypass humidifier is used Air handling units provide a 24 VAC output for a control relay for a humidifier If a steam humidifier is used the equipment HUM OUT connection is for a control relay only In Auto mode the indoor humidity set point is automatically adj...

Страница 30: ...tem operates the compressor within limits when there is a demand for dehu midification even if there is no demand for cooling Overcool 1 F 2 F or 3 F When the dehumidify by overcooling function is used the system operates the com pressor within limits when there is a demand for dehumidification even if there is no demand for cooling Dehumidification with equipment If there is a demand for dehumidi...

Страница 31: ... the Auto Setup screen the thermostat begins a process to detect the system components and identify the indoor and outdoor communicating equipment See Figures 22 25 FIGURE 21 Power Up Auto Setup Screen NOTICE If the outdoor unit is a variable capacity model apply power to the out door unit before the indoor unit A0622 001 AUTO SETUP PRESS NEXT TO BEGIN AUTO SETUP NEXT ...

Страница 32: ...on Controls Ducted Systems FIGURE 22 Control Search Indoor Equipment FIGURE 23 Control Found Indoor Equipment A0623 001 INDOOR EQUIP TYPE SEARCHING FOR CONTROLS BACK A0624 001 INDOOR EQUIP TYPE FOUND MODULATING FURNACE NEXT BACK ...

Страница 33: ...nson Controls Ducted Systems 33 FIGURE 24 Control Search Outdoor Equipment FIGURE 25 Control Found Outdoor Equipment A0625 001 OUTDOOR EQUIP TYPE SEARCHING FOR CONTROLS BACK A0626 001 OUTDOOR EQUIP TYPE FOUND VS CONTROL BACK ...

Страница 34: ... 13 kW heat kit or larger there are two available stages of electric heat You must select the amount of electric heat that is applied during a first stage W1 heat call During a second stage W2 heat call the entire amount of electric heat available is applied For a first stage W1 heat call it is best practice to only use the appropriate amount of heat required to temper the air during an outdoor un...

Страница 35: ...hnson Controls Ducted Systems 35 FIGURE 27 Heat Kit Configuration Screen 2 FIGURE 28 Heat Kit Configuration Screen 3 A0628 001 ELEC HEAT SIZE W1 4 2 KW DEFAULT NEXT BACK A0629 001 ELEC HEAT SIZE W2 12 5 KW DEFAULT NEXT BACK ...

Страница 36: ...nected to Wi Fi See Figure 30 When the OTA update is complete if a communicating thermostat has not identified the indoor or outdoor controls you MUST restore the ther mostat defaults to complete the system configuration properly See the System Configuration section for details FIGURE 29 Restore Defaults NOTICE During heating the modulating furnace airflow is controlled by the igni tion control no...

Страница 37: ...the system settings of the thermostat on the Settings screen tap and hold the Service icon for 5 seconds See Figure 31 FIGURE 30 Software Update Screen Example FIGURE 31 System Settings Access SOFTWARE UPDATE 02 00nz Updating Application 1 A1185 001 SETTINGS General Comfort Service SVC System Schedule Away A1184 001 ...

Страница 38: ...nse is active However the temperature selection differential must be maintained System Settings Overview The following tables provide a detailed overview of the system settings CAUTION Installer settings are designed for certified installation technicians and are not intended for homeowner use Adverse system configurations may result in equipment damage and void equipment warranty IMPORTANT The De...

Страница 39: ...isplayed humidity to offset it from the measured humidity in the thermostat Auto Change over 30 MIN 5 MIN 10 MIN 15 MIN 20 MIN 25 MIN 30 MIN Sets the minimum time that must elapse between switches from heat to cool to cool to heat demands when operating in Auto mode Remote Sensor None None Indoor Out door Average If you opt to use the remote sensor you can set it to sense the indoor room tem perat...

Страница 40: ...eet the humidity setting of the home The WITH EQUIPMENT option only applies to communicating systems The Humidistat Jumper setting on the thermostat must be set to YES The control reduces the indoor airflow by 15 if there is a demand for both cool ing and dehumidification Max Heat Setpoint 88 50 F to 88 F Allows you to define the maximum heat ing setpoint that is available Min Cool Setpoint 52 F 5...

Страница 41: ...the next stage of capacity Forced Stage Up 30 MIN 360 MIN for Variable Capacity OFF 120 MIN OFF 360 MIN for Variable Capacity in 10 minute increments Allows you to specify a forced stage up time If the time in a demanded stage reaches the selected forced stage up time the thermostat stages up to the next available stage of capacity even if differential demand is not met Differential 0 5 F 0 3 F 0 ...

Страница 42: ...z option when operating on a 60 Hz power grid a timer that is nor mally 5 minutes is 6 minutes Similarly if you select the 60 Hz option when operating on a 50 Hz power grid a timer that is normally 6 minutes is 5 minutes If the correct line frequency is selected and the timers are not accurate this may be due to an impending power cycle or an abnormality in the power quality Brands York None York ...

Страница 43: ...ate option is appropriate for locations that are slightly drier than normal The fan speed in Heat mode is not affected by this setting Humidistat Jumper No Yes or No Enables or disables the Humidistat jumper This setting affects Cool mode only When the jumper is set to YES and there is a demand for dehumidifica tion the indoor CFM is reduced by 15 Efficiency Fault Disabled Disabled or Enabled Enab...

Страница 44: ...rt Efficiency Efficiency Comfort or Efficiency Used to determine how quickly the com pressor ramps up to meet setpoint Heating Airflow Adjust 0 10 5 0 5 10 Allows you to adjust the heating airflow CFM by plus minus 5 or 10 Cooling Airflow Adjust 0 10 5 0 5 10 Allows you to adjust the cooling airflow CFM by plus minus 5 or 10 Climate Normal Normal Humid Dry Adjusts the indoor fan motor maximum spee...

Страница 45: ...disables the Hot Heat Pump feature This feature provides increased discharge air tempera tures by reducing indoor blower speed while forcing the outdoor unit into a higher stage for increased comfort Y2 Lock OFF OFF or ON Enables or disables the Y2 Lock fea ture This feature only applies to second stage compressor opera tion that is initiated based on the thermostat signals This feature does not a...

Страница 46: ...Auxiliary Settings 2 Stage Variable Speed ECM Furnace Name Default Setting Available Settings Explanation AUX Switch Disabled Enabled Open Enabled Closed Disabled Allows you to activate the optional dry relay contact that is supplied by the utility company AUX Switch Heat Stage Down Stage Down or Shut Off Comp Allows you to determine the equip ment functionality when the AUX switch is activated AU...

Страница 47: ...ble Faults that do not harm or stop equipment operation Disabled faults are logged but are not displayed on the Home Screen Banner TABLE 14 Thermostat Fault Displayed Text Description Category COMM ERROR OD CTRL There was no response from the device within 10 seconds of the primary control s query after communicating prior Critical COMM ERROR ID CTRL There was no response from the device within 10...

Страница 48: ...ANGE LOW Indoor temperature is 40 0 F Efficiency HUM SENSOR FAILURE Humidity sensor timed out Humidity reading is 99 or humidity reading 0 Efficiency HUMIDITY RANGE HIGH Humidity reading is 90 Efficiency HUMIDITY RANGE LOW Humidity reading is 10 Efficiency OUTDOOR SENSOR FAILURE OD temperature is 127 F or 60 F Efficiency NOT CONNECTED TO SERVER Not connected to Ayla server Status NOT CONNECTED TO ...

Страница 49: ... not present or not connected properly Check for loose plug or loose wires in plug Critical INDOOR CONTROL FAIL URE RECOVERY Control recovered from internal error Critical INDOOR CONTROL FAIL URE Control failure Critical INDOOR HEAT COOL CALLS SAME TIME Simultaneous call for heating and cooling Efficiency INDOOR CONTROL IN TEST MODE Control is in test mode Efficiency ...

Страница 50: ...PWR REVERSED Reversed line polarity or improper grounding Check the polarity of incom ing power and grounding Check the transformer Critical FURNACE GAS VALVE CIRCUIT SHORT Gas valve circuit shorted Check the gas valve wiring If correct replace the gas valve Critical FURNACE BLOWER FAILURE Main blower failure Critical FURNACE NO MODEL PLUG ID plug is not present or not connected properly Check for...

Страница 51: ...losed when it should be open Check pressure switch Efficiency FURNACE SOFT LIMIT WARNING Soft limit warning Efficiency FURNACE AIR BLOCK AGE WARNING Air blockage warning Efficiency FURNACE UNKNOWN FAILURE Unknown failure Efficiency FURNACE FLAME ROD AGE WARNING Flame rod age warning Efficiency TABLE 16 Modulating Furnace Continued Fault Displayed Text Description Category ...

Страница 52: ...ritical FURNACE LIMIT ROLL OUT OPEN 5 MIN Limit Rollout switch open from 5 min utes to 15 minutes Critical FURNACE NO MODEL PLUG ID plug is missing or not connected properly Critical FURNACE CONTROL FAILURE Control failure Critical FURNACE PRESSURE SWITCH OPEN Pressure switch open with inducer on Critical FURNACE IGNITION FAILED Lockout due to failed ignition Critical FURNACE MULTI FLAME DROPOUTS ...

Страница 53: ...g INDOOR X L INPUT FLASH 1 X L Input Status FLASH 1 Status INDOOR X L INPUT FLASH 2 X L Input Status FLASH 2 Status INDOOR X L INPUT FLASH 3 X L Input Status FLASH 3 Status INDOOR X L INPUT FLASH 4 X L Input Status FLASH 4 Status INDOOR X L INPUT FLASH 5 X L Input Status FLASH 5 Status INDOOR X L INPUT FLASH 6 X L Input Status FLASH 6 Status INDOOR X L INPUT FLASH 7 X L Input Status FLASH 7 Status...

Страница 54: ...DOOR LOW VOLT AGE 19 VAC Low voltage below 19 2 VAC prevent ing further relay outputs Warning OUTDOOR AMBIENT SENSOR SHORTED Outdoor ambient temperature sensor failure shorted Warning OUTDOOR AMBIENT SENSOR OPEN Outdoor ambient temperature sensor failure open Warning TABLE 20 Variable Capacity Control Fault Displayed Text Description Category OUTDOOR HPS SOFT LOCK OUT NORMAL High pressure switch l...

Страница 55: ...ENSOR OPEN SOFT LOCKOUT Coil sensor failure open Critical OUTDOOR LIQUID TEMP SEN SOR SHORTED Liquid line temperature sen sor failure shorted Critical OUTDOOR LIQUID TEMP SEN SOR SHORTED SOFT LOCKOUT Liquid line temperature sen sor failure shorted Critical OUTDOOR LIQUID TEMP SEN SOR OPEN Liquid line temperature sen sor failure open Critical OUTDOOR LIQUID TEMP SEN SOR OPEN SOFT LOCKOUT Liquid lin...

Страница 56: ...GE SOFT LOCKOUT Discharge pressure sensor failure high voltage Critical OUTDOOR SUCTION PRESSURE SENSOR LOW VOLTAGE SOFT LOCKOUT Suction pressure sensor fail ure low voltage Critical OUTDOOR SUCTION PRESSURE SENSOR HIGH VOLTAGE SOFT LOCKOUT Suction pressure sensor fail ure high voltage Critical OUTDOOR W O INPUTS HP MODE SOFT LOCKOUT W and O signal received in HP mode Critical OUTDOOR HIGH DISCHAR...

Страница 57: ... Warning OUTDOOR W O INPUTS AC MODE W and O signal received in AC mode Warning OUTDOOR LOW SUCTION PRESSURE Low suction pressure Warning OUTDOOR LOW DISCHARGE TEMP Low discharge temperature Warning OUTDOOR LOW SYSTEM CHARGE Low system charge Warning OUTDOOR HIGH SYSTEM CHARGE High system charge Warning OUTDOOR DEMAND RESPONSE Demand response Status TABLE 21 Variable Capacity Inverter Control Fault...

Страница 58: ...electronic fault Critical INVERTER POWER MOD ULE TEMP LOW SENSOR OPEN Power module temperature low or sen sor open fault Critical INVERTER COMM ERROR Modbus communication lost Critical INVERTER PFC MCU DSP COMM ERROR PFC MCU and DSP communication lost Critical INVERTER COM MCU DSP COMM ERROR COM MCU and DSP communication lost Critical INVERTER PFC IGBT LOW TEMP SENSOR OPEN PFC IGBT temperature low...

Страница 59: ...UTDOOR HPS SOFT LO NORM High pressure switch lockout The last mode of operation was normal com pressor Critical OUTDOOR HPS HARD LO NORM High pressure switch lockout The last mode of operation was normal com pressor Critical OUTDOOR HPS SOFT LO DFST High pressure switch lockout The last mode of operation was defrost Critical OUTDOOR HPS HARD LO DFST High pressure switch lockout The last mode of op...

Страница 60: ...N SOR OPEN Coil liquid line sensor failure open Critical OUTDOOR DIS LINE SENS SHORT Discharge line sensor failure shorted Critical OUTDOOR DIS LINE SENS OPEN Discharge line sensor failure open Critical OUTDOOR HI DIS CHARGE TEMP High discharge line temperature Critical OUTDOOR LO DIS CHARGE TEMP Low discharge line temperature Critical OUTDOOR HI DIS TEMP SFT LO High discharge line temperature Cri...

Страница 61: ...ram loaded and no tonnage selected Critical OUTDOOR COOLING LTCO Cooling LTCO active Critical OUTDOOR HPS OPEN High pressure switch fault not in lock out yet Efficiency OUTDOOR PIPE FRZE TIMER EXP Pipe freeze timer expiration Efficiency OUTDOOR LOW VOLT AGE 19V Low voltage below 19 2 VAC prevent ing further relay outputs Warning OUTDOOR O INPUT AC MODE O signal received in AC mode Warning OUTDOOR ...

Страница 62: ... range or there was an issue with another related setting OTA PASS APPF OTA software update for front PCB application successful OTA PASS APPB OTA software update for back PCB application successful OTA PASS BOOT OTA software update for boot loader application successful OTA TIMED OUT OTA software update has timed out after 3 15 minute attempts FRONT BOARD CHANGED Front PCB has been changed with a...

Страница 63: ...indicate that the thermo stat has been reset NFC EVENT SUCCESS Successful NFC Read Write has occurred LOG CLEARED Faults and events have been reset from the log System Events Logged and displayed in banner while condition exists Event Displayed Text Description AIR FILTER REMINDER Reminder to change air filter is active run hours have expired HUMIDIFIER FILTER REMINDER Reminder to change humidifie...

Страница 64: ...ating and Cooling airflow by 5 to 10 FIGURE 33 Airflow Configuration 2 Stage AC HP FIGURE 34 Airflow Configuration 1st Stage Cool 2 STAGE AC HP 1st STAGE HEAT 1150 CFM 2nd STAGE HEAT 1800 CFM 1st STAGE COOL 1210 CFM AIRFLOW CONFIGURATION BACK A1377 001 A1378 001 1100 DEFAULT Start Cancel 1st STAGE COOL MIN 400 MAX 1860 ...

Страница 65: ...ting operation for a designated time period FIGURE 35 Airflow Configuration Variable Capacity NOTICE When entering forced operation normal operation of the system will be discontinued This means that the controller will not control equip ment to maintain a set point schedule mode of operation etc Forced operation is a deviation from normal operation and the system will only run when commanded thro...

Страница 66: ...934 UIM C 1119 66 Johnson Controls Ducted Systems FIGURE 36 Forced Operation 1st Stage FIGURE 37 Forced Operation Time A1380 001 COOLING 1ST STAGE FORCED OPERATION NEXT BACK A1381 001 10 MIN TIME BACK Start ...

Страница 67: ...tdoor temperature is above 50 F and the indoor humidity rises above the desired setting the thermostat can be set to disable ventilation TABLE 25 Ventilation Settings Variable Default Settings Explanation Ventilation Mode Timed Continuous Timed or Off This determines how often the ventilation device is opened Ventilation Runtime per Cycle 20 min 5 55 min in 5 min intervals If Ventilation mode is s...

Страница 68: ...nd hold 5 for 5 seconds See Figure 40 Note To return to the System Settings screen without restoring the default settings on the Restore Defaults screen tap Cancel FIGURE 38 Ventilation Settings NOTICE When Restore Defaults is invoked the following Hx Thermostat app settings reset Schedule Hold Length Away Mode Setpoints and Service Reminders A1233 001 SYSTEM SETTINGS VENT WITH HEAT 10 F VENT WITH...

Страница 69: ...9 Johnson Controls Ducted Systems 69 FIGURE 39 Restore Defaults FIGURE 40 Five Second Hold SYSTEM SETTINGS AUTO SETUP RESTORE DEFAULTS A1234 001 RESTORE DEFAULTS Cancel HOLD FOR 5 SECONDS TO RESTORE DEFAULTS 5 A1188 001 ...

Страница 70: ...aler content using the Homeowner Settings screen LOG Tap Log to view the event and fault log When you select an entry displayed on the Log screen a screen appears show ing when the event or fault last occurred and how many times it has occurred To delete all the displayed log entries tap Reset Log FIGURE 41 Event and Fault Log Log A1235 001 LOG STARTUP EMPTY EMPTY ...

Страница 71: ... displayed on the Dealer Infor mation screen through the Hx Thermostat app FIGURE 42 Event and Fault Occurrence Details FIGURE 43 Dealer Information A1236 001 LOG 3 31 15 11 14AM CONTROL SYSTEM COUNT 2 Service SVC SERVICE JD S HVAC SERVICE 212 555 1212 www jdhvacserv com jd hvac yourmail com A1237 001 ...

Страница 72: ... the screen area as shown in Figure 39 and hold for 5 seconds The Status screen also shows current lockouts You clear lock out timers in the same way To clear the timer values for the COOL AUX HEAT and HP HEAT lockout timers tap the screen area and hold for five seconds FIGURE 44 Status Status A1238 001 STATUS TIMERS SECONDS ON OFF CYCLE STAGE DELAY FORCED STAGE UP AUTO CHANGE FUEL TYPE CHANGE 0 0...

Страница 73: ...Y1 Y2 24 VAC Outputs R C G W Y1 O O W W1 out Y2 out Y2 Y Y2 OD Sensor Req d for use of fossil fuel operation W2 out O B Single Stage Furnace or Modulating Furnace OD Sensor Req d for use of fossil fuel operation INDOOR THERMOSTAT Single Stage HP Heat AND Cool Single Stage Gas Heat Tstat controls FFUEL LTCO Single Stage HP OUTDOOR R C Y R C G W1 W2 Y1 Y2 24 VAC Outputs R C G Y Y2 O O B W W1 out W O...

Страница 74: ... R C G W1 W2 W2 Y1 Y2 Y2 24 VAC Outputs R C G W1 Y1 Y Y2 O O 2 Stage HP FFuel Jumper ON OUTDOOR O B Modulating Furnace INDOOR THERMOSTAT 2 Stage HP Heat AND Cool Single Stage Gas Heat 2 Stage HP FFuel Jumper ON OUTDOOR R C Y1 R C G W1 W2 W2 out Y1 Y2 24 VAC Outputs R C G W Y1 O W W1 out Y2 out Y2 Y Y2 O B Outdoor Equip Type External Dual Fuel when HP uses dual fuel logic or external fossil fuel ki...

Страница 75: ...MOSTAT Single Stage HP OUTDOOR R C Y R C G W1 W2 Y1 Y2 24 VAC Outputs R C G W1 Y Y2 O W W1 out W2 Single Stage HP Heat AND Cool 2 Stage Aux Heat O B AIR HANDLER HEAT PUMP SYSTEMS 2 Stage Furnace INDOOR R C W W1 out Y2 out Y1 R C G W1 W2 W2 W2 out Y1 Y2 Y2 24 VAC Outputs R C G W1 Y1 Y Y2 O O THERMOSTAT 2 Stage HP Heat AND Cool 2 Stage Gas Heat Tstat controls FFUEL LTCO 2 Stage HP FFuel Jumper OFF L...

Страница 76: ...e Aux Heat Single Stage HP OUTDOOR R C Y R C G W1 W2 Y1 Y2 24 VAC Outputs R C G Y Y2 O W W W1 out O B 2 Stage Air Handler Single Stage Aux Heat INDOOR THERMOSTAT 2 Stage HP Heat AND Cool Single Stage Aux Heat R C Y1 R C G W1 W2 W2 out Y1 Y2 24 VAC Outputs R C G W Y1 O W W1 out Y2 out Y2 Y Y2 2 Stage HP FFuel Jumper OFF OUTDOOR O B AIR HANDLER HEAT PUMP SYSTEMS continued ...

Страница 77: ...tage Furnace INDOOR THERMOSTAT Single Stage Cool Single Stage Gas Heat Single Stage AC OUTDOOR R C Y1 R C G W1 W2 Y1 Y2 24 VAC Outputs R C G W Y Y2 O B 2 Stage Air Handler 2 Stage Aux Heat INDOOR THERMOSTAT 2 Stage HP Heat AND Cool 2 Stage Aux Heat R C Y1 R C G W1 W2 Y1 Y2 24 VAC Outputs R C G W1 W2 Y1 O O W W2 out W1 out Y2 out Y2 Y Y2 2 Stage HP FFuel Jumper OFF OUTDOOR O B ...

Страница 78: ...C SYSTEMS Gas or Electric continued R connection required may be required Single Stage Furnace or Modulating Furnace Modulating Furnace Only INDOOR THERMOSTAT 2 Stage Cool Single Stage Gas Heat 2 Stage AC OUTDOOR R C Y1 R C G W1 W2 Y1 Y2 Y2 24 VAC Outputs R C G W Y1 Y Y2 O B 2 Stage Furnace INDOOR THERMOSTAT 2 Stage AC OUTDOOR R C Y1 R C G W1 W2 W2 Y1 Y2 Y Y2 Y2 24 VAC Outputs R C G W1 Y1 2 Stage ...

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