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Operation and Maintenance

OM 1280-2

Group:

Controls

Part Number:

910276581

Date:

January 2020

MicroTech

Unit Ventilator Controls

for Daikin Applied Classroom

Unit Ventilators

Содержание MicroTech

Страница 1: ...Operation and Maintenance OM 1280 2 Group Controls Part Number 910276581 Date January 2020 MicroTech Unit Ventilator Controls for Daikin Applied Classroom Unit Ventilators ...

Страница 2: ...Dehumidification State Optional with Reheat Units 24 Special Purpose Unit Modes 25 Pressurize Mode 25 Depressurize Mode 25 Purge Mode 25 Shutdown Mode 25 Energy Hold Off Mode 25 Unit Mode Priority 26 Occupancy Modes 27 Occupied Mode 27 Unoccupied Mode 27 Standby Mode 27 Bypass Mode 27 Additional Occupancy Features 29 Network Occupancy Sensor Capability 29 Internal Daily Schedule 29 Remote Wall Mou...

Страница 3: ...ource Water In Temperature Sensor 39 Network Source Water In Temperature Capability 39 Source Water In Temperature Sampling 39 UVC Inputs and Outputs 40 External Binary Inputs 40 External Binary Input 1 40 External Binary Input 2 40 External Binary Input 3 40 External Binary Outputs 41 External Binary Output 1 41 External Binary Output 2 41 External Binary Output 3 41 UVC Inputs and Outputs 42 Tre...

Страница 4: ...entilator product line It describes the MicroTech components input output configurations field wiring options and requirements and service procedures For installation and general information on the MicroTech Unit Ventilator Controller refer to IM 1286 MicroTech Unit Ventilator Controller For installation commissioning instructions and general information on a particular unit ventilator model refer...

Страница 5: ...Temperature EWIT Face and Bypass Damper Position FBDP Federal Communications Commission FCC Face and Bypass F BP Heating Ventilating Air Conditioning Refrigeration HVACR Heating End Of Cycle Valve Setpoint HEOC Hot Water HW Indoor Air IA Indoor Air Enthalpy IAE Indoor Air Fan IAF Indoor Air Temperature IAT Description Acronym Abr Light Emitting Diode LED Local User Interface LUI Mixed Air Low Limi...

Страница 6: ... value when in the parameter adjustment screen Moves the selection cursor DOWN in the list of menu items Alternatively this button decreases a parameter value when in the parameter adjustment screen Back Takes the user back to the previous menu If current menu is the Home menu then pressing this button will go to the Live screen Further presses of this button will do nothing Enter Commits the user...

Страница 7: ...ft to next digit e Press 8 times to change value from 0 to 8 f Press ENTER to accept and shift to next digit NOTE If previous value is incorrect or changed use the BACK button to revise previously entered value Change with ARROWS and use ENTER to accept g Press 9 times to change value from 0 to 9 h Press ENTER to accept and shift to next digit i Press 7 times to change value from 0 to 7 j Press EN...

Страница 8: ...em status values without a PC or network interface The LUI keypad display menu consists of an array of menus and sub menus that logically arranges the various parameters that affect the operation of the UVC Depending on password level the user has the ability to change the value of parameters where applicable LUI Navigation Changing Setpoints Press HOME Use to place flashing cursor next to Set Pre...

Страница 9: ...ss HOME Use to place flashing cursor next to Alarms Press ENTER to select this submenu Press ENTER again to enter the Alarms Active to view any alarms currently active Press ENTER with ActiveAlarm selected to bring up a text description of the highest priority active alarm Viewing Alarm History Press HOME Use to place flashing cursor next to Alarms Press ENTER to select this submenu Use to place f...

Страница 10: ... place Within each state the UVC enables PI loops and other logic sequences required to control unit ventilator operation within that particular state while other functions and PI loops not needed during that state may be disabled The transition logic represents questions used by the UVC to determine which state should be made active These transition questions are constantly being monitored by the...

Страница 11: ...r within the space Night Purge mode consists of a single UVC state Night Purge Night Purge is a full ventilation with exhaust mode during which room comfort is likely to be compromised Therefore Daikin strongly recommends using Night Purge only when the space is unoccupied When Night Purge mode becomes active for 1 hour configurable the UVC stops all normal heating and cooling If the UVC is not se...

Страница 12: ...in DAT HTG Ctrl Setpoint 67 4 Max DAT HTG Ctrl Setpoint 70 Min DAT Htg Setpt Minimum heating discharge air temperature allowed when unit is in heating mode and the reset is enabled Max DAT Htg Setpt Maximum heating discharge air temperature allowed when unit is in heating mode and the reset is enabled Min DAT Htg Ctrl Setpt Minimum discharge air temperature control value When the control temperatu...

Страница 13: ...Setpt Maximum discharge air temperature control value When the control temperature is equal to or greater than Max DAT Ctrl Setpt the DAT Cooling value Min DAT Clg Setpt The unit enters cooling mode when the control temperature is above the effective cooling setpoint If the cooling reset is enabled when the control temperature is between the MinDAT Clg Ctrl Setpt and the MaxDAT Clg Ctrl Setpt the ...

Страница 14: ...l see CO2 Demand Controlled Ventilation optional on page 37 and the OA damper will be adjusted as needed to maintain the CO2 setpoint The UVC will remain in this state until one of the transition out conditions become true or until one of the super state transition out conditions becomes true NOTE The OAD is considered to be in alarm when the OAD is forced below the active minimum position in the ...

Страница 15: ...age 1 2 and 3 On Compressor Heat Stage 2 On Electric Heat Stage 1 On Compressor Heat Stage 2 On Compressor Heat Stage 1 On Staging Down Staging Up Satisfied Discharge Air Degrees Below Setpoint and Time Primary Heating Capacity 100 75 65 45 35 5 1 Compressor Heat Stage 2 On Electric Heat Stage 1 and 2 On Compressor Heat Stage 2 On 0 Secondary Heating Capacity 0 ...

Страница 16: ...the signal increases to a maximum of 10VDC If 24VAC is lost to the actuator valve will spring return to its fail position open to the coil for steam valves Wet Heat Face and Bypass Damper and End of Cycle Valve Control CAUTION Both a wet heat end of cycle EOC valve and a chilled water end of cycle EOC valve are strongly recommended by Daikin If an EOC valve is not installed it is likely that over ...

Страница 17: ...nto while Heat mode is active WSHP UV will be allowed to enter the defrost mode twice in a 7 day period and upon entering the defrost mode a 3rd time in that 7 day period it will be locked out on a low suction temperature alarm and require a manual reset to resume operation See Figure 11 on page 19 When defrost is required the UVC uses active defrost by placing the reversing valve into cooling mod...

Страница 18: ... temperature is lower than the EHS When Emergency Heat mode becomes active the UVC goes into 100 heating until the space temperature raises to the EHS plus a fixed differential In the Emergency Heat mode the space fan is set to high speed and the OA damper closes If the UVC automatically forces itself into the Emergency Heat mode from another mode e g Cool Fan Only etc then the UVC returns to the ...

Страница 19: ...IAT OCS No Return to Fan Only Mode Yes Enter from LUI Input Network Input Auto Mode No Yes OACT DSSP Start Defrost Timer OACT DTTC Defrost Mode OACT DRSP Run Time DTL Yes Yes Yes Yes No Applies to ASHP models only Heat Mode Defrost Mode Suction Refrig Temp Low Suction Setpoint Differential Run Time 60 Seconds Yes Yes Yes Applies to WSHP models only Heat Mode Suction Refrig Temp Low Suction Setpoin...

Страница 20: ...becomes active the UVC will automatically determine which UVC state to make active based upon the transitions for each state If the space temperature drops below EHS and the Emergency Heat function is enabled the UVC will be forced into the Emergency Heat mode see Emergency Heat Mode Super State on page 18 Figure 12 Cool Mode Super State Diagram Cool Mode Enter from LUI Input Network Input Auto Mo...

Страница 21: ...ter state is a normal state during Cool mode The Compressor Water state typically is active in the Cool mode when primary cooling economizer is not available When the Compressor Water state becomes active the UVC will use secondary cooling compressor or hydronic depending on unit configuration to maintain the DATS see Night Purge State Diagram on page 11 The DATS will not be allowed to go below MC...

Страница 22: ...bypass around the coil Chilled Water Face and Bypass Damper and End of Cycle Valve Control CAUTION Both a wet heat end of cycle EOC valve and a chilled water end of cycle EOC valve are strongly recommended by Daikin If an EOC valve is not installed it is likely that over heating or over cooling of the space will occur The UVC can be configured for a two position normally open wet heat end of cycle...

Страница 23: ...ure occurs When the Can t Cool state becomes active no cooling is available Air Tempering Mode The Air Tempering mode is a normal state that the UVC can go into when the Fan Only mode is active the control temperature is between the heating and cooling setpoints and all heating cooling is off some form of heating is available and Air Tempering has been enabled using the LUI keypad or ServiceTools ...

Страница 24: ...he Active Dehumidification state becomes active the unit s mechanical cooling capacity is set to 100 and all stages of electric hydronic heat are used to maintain the DAT at the occupied heating setpoint On Face Bypass Control models the damper will module to full face If the heating output reaches 100 open for 3 minutes or more e g heating cannot keep up with cooling the cooling is staged down un...

Страница 25: ...l heating and cooling but does allow emergency heat if required The depressurize mode can only be accessed via a network connection or through the LUI keypad or with ServiceTools software Purge Mode When in Purge mode the UVC uses the IAF OAD and exhaust output as needed to purge the space The UVC stops all normal heating and cooling but does allow emergency heat if required The purge mode can onl...

Страница 26: ...ed4 Normal Normal See the normal UVC mode priority Table 10 Energy hold off Energy hold off Off Off Energized5 Ignored Energy hold off Off Off Pressurize Ignored Ignored Ignored Off Pressurize De pressurize Ignored Ignored Ignored Off De pressurize Purge Ignored Ignored Ignored Off Purge Shutdown Ignored Ignored Ignored Off Off 1 Network input 2 Network output 3 Normal indicates the UVC power up c...

Страница 27: ... sensor s occupancy override feature to function Occupied Mode The Occupied mode is the typical day time mode of UVC operation During Occupied mode the UVC uses the occupied heating and cooling setpoints the OAD operates normally and by default the IAF remains on The IAF can be configured to cycle off when there s no demand using the LUI keypad or ServiceTools software Unoccupied Mode The Unoccupi...

Страница 28: ...2 1 Occ NA 3 Null Unoc3 4 Standby 2 Unoc NA NA NA 2 Unoc 3 Standby NA NA NA 4 Standby 4 Null Occ 1 Occ NA 1 Occ Occ 2 Unoc NA 4 Standby Occ 3 Null NoBI1 1 Occ Occ 3 Null Occ2 1 Occ Occ 3 Null Unoc3 4 Standby Unoc 1 Occ NA 1 Occ Unoc 2 Unoc NA 2 Unoc Unoc 3 Null NoBI1 2 Unoc Unoc 3 Null Occ2 1 Occ Unoc 3 Null Unoc3 2 Unoc 5 Null Null Active 1 Occ NA 1 Occ NA 1 Occ NA 2 Unoc NA 3 Bypass NA 3 Null No...

Страница 29: ...VC status LED This status LED aids diagnostics by indicating the UVC occupancy mode and fault condition Table 12 Remote Wall Mounted Sensor Status LED Status LED Mode Condition Priority LED On Time Sec LED Off Time Sec ALARM_ACTIVE Alarm Active Specific Alarm Determines Number of Flashes 1 0 3 0 3 1 3 Between Cycles WINK Network Wink Activity 2 3 0 3 0 SERVICE_TEST Service Test Mode 3 0 0 Continua...

Страница 30: ...on the optional remote wall mounted sensor since the LUI has higher priority If you find that changes to the 5 F adjustment on the remote wall mounted sensor have no effect it is likely that an occupant used the LUI keypad to make a Setpoint Offset change Cycle unit power and restore the ability to change the Setpoint Offset from the 5 F adjustment on the remote wall mounted sensor Remote Wall Mou...

Страница 31: ...ut network input 55 F 95 F Wall Sensor Network Value Setpoint SetpointOffset Occupied Cooling Set Point OCS Standby Cooling Set Point SCS Unoccupied Cooling Set Point UCS Occupied Heating Set Point OHS Standby Heating Set Point SHS Unoccupied Heating Set Point UHS Occupied Cooling Set Point Shift OCSS Standby Cooling Set Point Shift SCSS Unoccupied Cooling Set Point Shift UCSS Occupied Heating Set...

Страница 32: ...ns AbsOffset Setpoint OCS OHS 2 71 0 F 72 0 F 68 0 F 2 1 0 F Effective Setpoint OHS AbsOffset Setpoint Offset Setpoint Shift 68 0 F 1 0 F 3 0 F 2 0 F 70 0 F Proportional Integral PI Control Loops The MicroTech UVC uses PI loop control for heating cooling and ventilation processes within the unit ventilator Numerous PI algorithms can be used depending upon the unit ventilator configuration Table 15...

Страница 33: ...oportional band setting that is too large Figure 19 causes an offset between the actual measured oscillation center and the setpoint A small offset is not necessarily a problem since most systems have a small natural offset and the integral function automatically works to eliminate or reduce this effect Figure 19 Proportional Bands In general it is best to start with a relatively large proportiona...

Страница 34: ...pied mode when there s no call for heating or cooling through the LUI keypad or ServiceTools software Cycle Fan The UVC is provided with a Fan Cycling Configuration variable that can be used to force the IAF to cycle with calls for heating and cooling during the occupied standby and bypass occupancy modes When the fan is off the OA damper is closed Daikin recommends using this feature only when it...

Страница 35: ...speed 80 100 Variable Speed Fan The UVC uses a variable PWM output to control the IAF When fan control is in the Auto mode the UVC adjusts the fan speed up and down in an attempt to maintain the control temperature setpoint The fan capacity percentage required is calculated using a PI loop comparing the control temperature and effective setpoint Outdoor Air Damper Operation The UVC is configured f...

Страница 36: ...nomizer function is selected the unit ventilator ships with an optional IA humidity and OA humidity sensor which are used along with the IA temperature and OA temperature sensors to calculate IA enthalpy and OA enthalpy In this case the UVC is factory set for the Leading Edge Economizer Strategy and uses the Temperature Comparison with Enthalpy Comparison Economizer function Refer to Table 19 and ...

Страница 37: ...sition used with CO2 DCV typically can be set at 20 of the minimum position that would be used without CO2 DCV For example if the minimum OA damper position is 20 then when using CO2 DCV set the new minimum OA damper position as low as 4 e g 20 0 20 4 For most applications this new smaller minimum OA damper position should provide enough ventilation to control undesirable conditions such as odors ...

Страница 38: ... The UVC is configured to minimize reversing valve operations The reversing valve switches to Heat mode energized 5 seconds after the compressor comes on in Heat mode The reversing valve remains energized until the UVC enters Cool mode and the compressor has been running for 5 seconds reversing valve de energized If the UVC modes are changed manually via the keypad display or network connection fr...

Страница 39: ...default configuration is used by the UVC to determine if the water can be used for heating or cooling The Source Water In Temp Differential is the minimum differential between water in and room temperature before water is used for heating or cooling Network Source Water In Temperature Capability A Network Source Water In temperature sensor can be configured using the Source Water in Temp Input var...

Страница 40: ...humidification The device used must incorporate its own differential dewpoint or differential humidity External Binary Input 2 This input can be configured as an unoccupied default or dew point humidity signal Remote Shutdown Input Signal This input allows a single set of dry contacts to be used to signal the UVC to go into shutdown mode When the contacts close shutdown the UVC goes into shutdown ...

Страница 41: ... to signal the operation of an exhaust fan The position of the OA damper may be used to energize a 3rd party exhaust fan This logic uses the configurable point ncpExhStartPos which has a default value of 12 to activate the exhaust fan when the outside air damper opens to the minimum OA position ncpOAMinPosExhaust The exhaust fan output will de energize when the OA damper goes below the ncpExhStart...

Страница 42: ...point H6 5 AI 2 0 1 5K Pot Unit Mode H6 6 AI 3 0 1 5K Pot Fan Speed H6 7 AI 4 10K Type II Thermistor Space Temperature H6 8 GND GND Analog Inputs H7 1 5VDC Sensor Power H7 2 AI 5 0 5 VDC Signal Indoor Humidity Signal H7 3 GND Sensor Ground H8 1 5VDC Sensor Power H8 2 AI 6 0 5 VDC Signal Outdoor Humidity Signal H8 3 GND Sensor Ground H9 1 AI 7 10K Type II Thermistor Discharge Air Temperature H9 2 G...

Страница 43: ...on 24VAC or Dry Contact Common DO8 NO DO8 Normally Open Output Pump or Motorized Valve NO DO8 NC DO8 Normally Closed Output Pump or Motorized Valve NC DO9 10 11 C 24VAC or Dry Contact Common for 3 outputs Electric heat 24VAC Common DO9 DO9 24VAC or Dry Contact Output Electric Heat Stage 1 DO10 DO10 24VAC or Dry Contact Output Electric Heat Stage 2 DO11 DO11 24VAC or Dry Contact Output Electric Hea...

Страница 44: ...ue DATRstHtln DAT Heating Reset input used to determine control value niDATRstHtln Network DAT Heating Reset BAS commanded parameter DATDehumSpt DAT Dehumidification Setpoint Parameter Description DATHtgSetpt DAT Heating Setpoint NetDATHtgSpt Network DAT Heating Setpoint BAS commanded parameter DATHotWtr DAT Hot Water lower limit PI loop output DATReHtSpt DAT Heating Reheat Setpoint DATSpt DAT Set...

Страница 45: ...Damper Position Low Speed Minimum OAD position for space fan operating at low speed OAMinPosMedSpd Outdoor Air Damper Position Medium Speed Minimum outdoor air damper position for space fan operating at medium speed OAT Outdoor Air Temperature niOAT Network Input Outdoor Air Temperature BAS commanded input OccClSpt Occupied Cooling Setpoint Parameter Description LonOccClSptSh Occupied Cooling Setp...

Страница 46: ... 61 F to 86 F UCS 61 86 82 Unoccupied Cooling Setpoint OccHtSpt 50 F to 82 F OHS 50 82 70 Occupied Heating Setpoint StdbyHtSpt 50 F to 82 F SHS 50 82 66 Standby Heating Setpoint UnoccHtSpt 50 F to 82 F UHS 50 82 61 Unoccupied Heating Setpoint CntrlTmpSel SPACE RAT AISR_AVG SPACE 0 2 0 Selects the control temp source the space temp the return air temp or the average of the hardwareSpaceTemp and aiR...

Страница 47: ...uitable FBPMinPos 0 to 100 0 0 100 0 Face and bypass minimum position with 2 position valve SrcTmpDiff 0 F to 10 F 5 F 0 10 5 Source Water in Temp Differential specifies the minimum differential required between space temperature and EffEWT to allow hydronic heating or cooling EOCLowOASpt 20 F to 36 F 34 F EOCS 20 36 34 If the outdoor air temperature is below this setpoint and the face and bypass ...

Страница 48: ...Delta 1 F to 10 F 1 10 5 Used with single zone VAV PI loop SZnVAVMnFan 0 to 100 0 100 5 Used with single zone VAV PI loop SZnVAVMxFan 0 to 100 0 100 100 Used with single zone VAV PI loop SZnVAVPropGn 0 to 255 0 255 0 1 Used with single zone VAV PI loop SZnVAVIntgGn 0 to 255 0 255 0 01 Used with single zone VAV PI loop OADLLPropGn 0 0 to 255 0 0 255 2 Configuration for PI loops proportional value O...

Страница 49: ... ASHP 0 3 2 NONE Heat pump not installed COOL Cooling only ASHP ASHP Air Source Heat Pump cooling and heating WSHP Water Source Heat Pump cooling and heating ValveType NONE 2POS_HEAT 2POS_COOL 2POS_BOTH MOD_HEAT MOD_COOL MOD_BOTH NONE 0 6 0 NONE valve not installed 2POS_HEAT 2 position valve heat only 2POS_COOL 2 position valve cool only 2POS_BOTH 2 position valve heat cool MOD_HEAT modulated valv...

Страница 50: ...ot perform dehumidification when the control temp is lower than this setpoint DehumStgDn 20 F to 40 F 20 40 32 Stage down dehumidification when the aiIndoorCoilTemp this setpoint Stage up when aiIndoorCoilTemp this setpoint 4 F PassDhmFBPD 0 to 100 1 100 50 Passive Dehum F B Damper Max TemperEn DISABLE ENABLE DISABLE 0 1 0 Enables Air Tempering Mode TemperDiff 2 0 F to 20 0 F 5 0 F 2 20 5 DAT is c...

Страница 51: ...sor Minimum On Time CmpMnOffTm 60 sec to 600 sec 300 sec 60 600 360 Compressor Minimum Off Time ClOATLckSpt 45 F to 80 F 63 5 F 45 80 63 5 When the OAT is below this temperature and it s an ASHP then CompClgOATLockoutStatus is LOCKED CmpHtOATLck 10 F to 212 F 30 F 12 212 30 If the OAT is less than this setpoint then compressorized heating is disabled Air source heat pumps only CmpHtEWTLck 10 F to ...

Страница 52: ...inInst 0 to 4194302 0 4194302 3101000 Added to BACnetNodeAddress to determine the Device Instance Number BNDevInstance Loc 0 Location Location Location Label DevInst 0 to 4194302 0 4194302 3101120 BACnet device instance DevName String 20 char DevName BACnet device name string NdAddr 0 to 127 0 127 120 BACnet MSTP node address MSTPBaud 9600 19200 38400 76800 0 3 2 BACnet MSTP baud rate MSTPMaxMstr ...

Страница 53: ... 10 Discharge Air DX Low Limit Violation Auto 5 CondensateOverflowAlarm Problem 11 Condensate Overflow Indications Auto 6 IndoorAirCoilDxTempSensorAlarm Problem 12 Indoor Air Coil Dx Temp Sensor Failure Auto X 7 OATSensorAlarm Fault 4 Outdoor Air Temp Sensor Failure Auto 8 DATSensorAlarm Fault 5 Discharge Air Temp Sensor Failure Auto 9 OutdoorAirCoilDxTempSensorAlarm Problem 13 Outdoor Air Coil DX...

Страница 54: ...gized if alarm output configuration is FAULTPROB LED output alarm indication is activated Deactivate Sensor reading goes back in range Reset Auto High DX Pressure Fault Name HighDxPressureAlarm Description High refrigerant pressure fault Type Problem Activate Unit is configured to have a high pressure switch installed and the associated binary input is open Upon active State If in cooling state th...

Страница 55: ...f available otherwise transition to Fan Only If in heating then transition to a non DX heating state if available otherwise transition to Fan Only Alarm is indicated on the LUI Fault relay is energized if alarm output configuration is FAULTPROB LED output alarm indication is activated Compressor is immediately de energized MultAlarmComp ACTIVE Outdoor fan is de energized normally then remains de e...

Страница 56: ...transition to Fan Only If in heating then transition to a non DX heating state if available otherwise transition to Fan Only Alarm is indicated on the LUI Fault relay is energized if alarm output configuration is FAULTPROB LED output alarm indication is activated Compressor is immediately de energized Deactivate Sensor reading goes back in range Reset Auto Water Out Temp Sensor Failure Name WaterO...

Страница 57: ... be used Deactivate Sensor reading goes back in range Reset Auto Space CO2 Sensor Failure Name SpaceCO2SensorAlarm Description Space CO2 sensor failure short or open detected Type Problem Activate Appropriate input is configured for a CO2 sensor and the CO2 reading is out of range Upon active State None Alarm is indicated on the LUI Fault relay is energized if alarm output configuration is FAULTPR...

Страница 58: ...to a minimum position of 50 If heating or cooling is required the valve is allowed to modulate above 50 Deactivate Hydronic Water Coil Freeze Stat binary input is closed Reset Auto Low Suction Line Temperature Name LowSuctionLineTempAlarm Description The suction line temperature is below the Low Suction Line Temperature setpoint Type Problem Activate If the unit is configured to have an indoor air...

Страница 59: ...State OA reduced State Any cooling mode go to Reheat State Heating increased Fault relay is energized if alarm output configuration is FAULTPROB LED output alarm indication is activated Deactivate Discharge air temperature Discharge air economizer low limit setpoint 1 8 F and the outdoor air damper position has returned to its calculated minimum position Reset Auto Brownout Future Name BrownoutAla...

Страница 60: ...figStringAlarm Description There was a problem with the factory config string that was read in User must verify all factory configuration parameters Type Fault Activate FactoryConfigError is Active Upon active Alarm type is Fault which causes unit shutdown Unit state goes to Off Alarm Alarm is indicated on the LUI Fault relay is energized LED output alarm indication is activated Space fan is immed...

Страница 61: ...s immediately de energized Outside air damper is forced closed All electric heat stages are de energized The hot cold water valves are forced to position of 50 Deactivate Freeze stat input closes Reset Auto Application Configuration Alarm Name ConfigurationAlarm Description There is an issue with one or more configuration parameters This means that multiple or duplicate inputs have been configured...

Страница 62: ...536 33 36 11 260410 17 8 33 50526 67 19 44 12814 117 47 22 4006 167 75 00 1480 31 35 00 242427 19 7 22 47606 69 20 56 12182 119 48 33 3838 169 76 11 1427 29 33 89 225809 21 6 11 44874 71 21 67 11590 121 49 44 3679 171 77 22 1375 27 32 78 210443 23 5 00 42317 73 22 78 11030 123 50 56 3525 173 78 33 1326 25 31 67 196227 25 3 89 39921 75 23 89 10501 125 51 67 3380 175 79 44 1279 23 30 56 183068 27 2 ...

Страница 63: ...C mV RH VDC mV 10 1330 55 2480 15 1475 60 2600 20 1610 65 2730 25 1740 70 2860 30 1870 75 2980 35 1995 80 3115 40 2120 85 3250 45 2235 90 3390 50 2360 95 3530 Troubleshooting Carbon Dioxide CO2 Sensors The UVC is configured to use a 0 2000 PPM 0 10 VDC single beam absorption infrared gas sensor Each sensor is calibrated according to the table shown Use the following procedure to troubleshoot a sus...

Страница 64: ...HtClNn N RO Mode is Heat Cool or None AuxHt N RO Aux heat on off status EmergOvRes N RO Emergency override result OnStop N RO Keypad On Stop status LowOAFrzStat T RO Actv when OAT EOCLowOASpt ValveFrzProt T RO Actv if LowOAFrzStat Actv and F B clsd CondOverflw T RO Condensate overflow status Occupancy EffectOcc N RO Actual occupancy mode of unit KeyOccManCmd N U Keypad occupancy override command N...

Страница 65: ...SMRevVlvCmd T RO MSM commanded reversing valve MSMCmpStgCmd T RO MSM commanded comp stages MSMPumpCmd T RO MSM Pump command EmHtCmpStgCmd T RO Emergency heat commanded comp stages RandomStrtTm T T Dly after powerup before comp turn on HydroHeating HotWtr N RO Hot water valve position HydroHtAvl N RO Specifies if hydronic heat is available EwtHtState M RO EWT hydronic heating state EwtFlwHtTmr T RO...

Страница 66: ...ative humidity OutEnth M RO OA enthalpy using OAT and OA humidity InEnth M RO IA enth using space temp and IA humid EffHum N RO Current humidity status of space KeyDehumEn N M Keypad dehumidification enable DehumAvl M RO Specifies if dehumidification is avail DehumEn M RO Keypad or network dehumid enabled NetOutRH N RO Network outside relative humidity NetSpcRH N RO Network space relative humidity...

Страница 67: ...k binary input configured DmpEnd1Avl T RO Damper End 1 binary input configured DmpEnd2Avl T RO Damper End 2 binary input configured BLessEHAvl T RO Boilerless EH binary input configured VLckOutAvl T RO Vent Lockout binary input configured UnOccAvl T RO Unoccupied binary input configured ShutDnAvl T RO Shutdown binary input configured DehumAvl T RO Dehumid binary input configured RstVoltSens T RO R...

Страница 68: ...ng non comp cooling DAMechLL N T Discharge air mech low limit setpt RehtLLStTime T T Reheat to ReheatLL time DAHiLim N T Discharge air high limit DATRstClSel N T Source of DAT Clg reset control MnDATClSpt T T Min input to DAT clg reset calc MxDATClSpt T T Max input to DAT clg reset calc MnDATClCntSpt T T Min DAT clg reset setpt MxDATClCntSpt T T Max DAT clg reset setpt DATRstHtSel N T Source of DA...

Страница 69: ...tegral gain OADLLInitPos T T Initial lower limit OAD position OADLLPiDltOut T T Lower limit OAD PI calculation SpcCO2En N T Space CO2 enable OADCloseDly N T Damper close after fan off delay RstMnCO2 T T aiCO2 at this val then reset cpResetMinUnits RstMxCO2 T T aiCO2 at this val then reset cpResetMaxUnits Set FaceBypassDampr FBDPropGn T T Face bypass damper proportional gain FBDIntgGn T T Face bypa...

Страница 70: ...startCt T T Number of controller restarts LastRstTyp T T Last controller reset type Serv SaveRestore SaveCfsSel T T Save configuration parameters GetCfgsSel T T Get configuration parameters SaveUserRes N RO Save user configs to SD result SaveParams T T Manually save to non volatile memory CfFileNumb T T SD file name DaikinUnitVentXXX AppDflts T T Set all config params to app dflts FactCfgStrg T RO...

Страница 71: ...tus Serv AnaOut MinMax OADMnVlts T T OADamper minimum volts OADMnVlts T T OADamper maximum volts FBDMnVlts T T Face bypass damper minimum volts FBDMxVlts T T Face bypass damper maximum volts ClVlvMnVlts T T Cooling valve minimum volts ClVlvMxVlts T T Cooling valve maximum volts HtVlvMnVlts T T Heating valve minimum volts HtVlvMxVlts T T Heating valve maximum volts Serv AnaOut Serv AnaOut Status OA...

Страница 72: ...us OutFan T RO Outside fan status ExhFan T RO Exhaust fan status Pump T RO Pump status ElHt1 T RO Electric heat 1 status ElHt2 T RO Electric heat 2 status ElHt3 T RO Electric heat 3 status CmpStg1 T RO Compressor stage 1 status CmpStg2 T RO Compressor stage 2 status DrnPanHtr T RO Drain pan heater status HotWtrEOC T RO Hot water end of cycle valve status ColdWtrEOC T RO Cold water end of cycle val...

Страница 73: ...ight savings time end week Set Sched Days Set Sched Holidays Set Sched Days Sun SunOccHr1 N U Sunday occupied 1 hour SunOccMin1 N U Sunday occupied 1 minute SunUnoccHr1 N U Sunday unoccupied 1 hour SunUnoccMin1 N U Sunday unoccupied 1 minute SunOccHr2 N U Sunday occupied 2 hour SunOccMin2 N U Sunday occupied 2 minute SunUnoccHr2 N U Sunday unoccupied 2 hour SunUnoccMin2 N U Sunday unoccupied 2 min...

Страница 74: ...Saturday unoccupied 2 minute Serv TrendData TrendRate T T When to record trend data to SD SDStatus T RO SD card is ready if status is Good Set Sched Hol Hours HolOccHr1 N U Holiday occupied 1 hour HolOccMin1 N U Holiday occupied 1 minute HolUnoccHr1 N U Holiday unoccupied 1 hour HolUnoccMin1 N U Holiday unoccupied 1 minute HolOccHr2 N U Holiday occupied 2 hour HolOccMin2 N U Holiday occupied 2 min...

Страница 75: ... U Holiday 12 enable Set Sched Hol Hol13 HolStartMM13 N U Holiday 13 Month HolStartDD13 N U Holiday 13 Date HolDur13 N U How many days to run holiday 13 sched HolEnable13 N U Holiday 13 enable Set Sched Hol Hol14 HolStartMM14 N U Holiday 14 Month HolStartDD14 N U Holiday 14 Date HolDur14 N U How many days to run holiday 14 sched HolEnable14 N U Holiday 14 enable Set Sched Hol Hol15 HolStartMM15 N ...

Страница 76: ... Password to Read None User Manager Technician Minimum Password to Write None User Manager Technician RO if Read Only Help Text Set AuxHeat AuxHtOnDiff N U Aux heat on HtgSetpt OnDiff AuxHtOffDiff N U Aux heat off HtgSetpt OnDiff OnDiff niAuxHeatEn N RO Aux heat network enable CfgAuxHt_Rev T T Aux heat output reverse acting ...

Страница 77: ......

Страница 78: ...ant to its standard terms and conditions of sale including Limited Product Warranty Consult your local Daikin Applied Representative for warranty details To find your local Daikin Applied Representative go to www DaikinApplied com Aftermarket Services To find your local parts office visit www DaikinApplied com or call 800 37PARTS 800 377 2787 To find your local service office visit www DaikinAppli...

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