Daikin MICROTECH 4 Operation Manual

Unit controller for rebel applied rooftop systems

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Operating manual (77 pages)

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MICROTECH

UNIT CONTROLLER

FOR REBEL APPLIED

• MODEL DPSA, DHSA, DAHA

• R-32 REFRIGERANT

ROOFTOP SYSTEMS

OPERATION MANUAL

OM 1373-1

LEARN MORE AT DAIKINAPPLIED.COM

NOVEMBER 2024

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Summary of Contents for Daikin MICROTECH 4

Page 1 OPERATION MANUAL OM 1373-1 NOVEMBER 2024 MICROTECH ® UNIT CONTROLLER FOR REBEL APPLIED ROOFTOP SYSTEMS ® • MODEL DPSA, DHSA, DAHA • R-32 REFRIGERANT LEARN MORE AT DAIKINAPPLIED.COM ©2024 DAIKIN APPLIED | (800) 432.1342...
Page 2 Alarm and Event Descriptions . . . . . . . . . . . . . . . . . 125 ©2024 Daikin Applied, Minneapolis, MN . All rights reserved throughout the world .This document contains the most current product information as of this printing.
Page 3 TABLE OF CONTENTS Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 DX Cooling Operation-Staged Compressors .
Page 4 Pushing the wheel acts as an Enter Button . with the unit operation . The Alarm Lists Menu includes active alarm and alarm log information . Figure 1: Keypad Controls DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 5 Figure 2: Password Main Page Once in the edit mode, pressing the wheel again causes the Daikin AHU editable field to be highlighted. Turning the wheel clockwise while the editable field is highlighted causes the value to be increased.
Page 6 The following is a description of the MicroTech menu structure . These menus and items can all be displayed with the keypad/ display . Menu items displayed will change based on the selected unit configuration. Figure 4: Main Menu – Keypad/Display Menu Structure DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 7 KEYPAD AND DISPLAY WWW.DAIKINAPPLIED.COM OM 1373-1...
Page 8 KEYPAD AND DISPLAY Figure 5: View Status Menu Structure DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 9 KEYPAD AND DISPLAY WWW.DAIKINAPPLIED.COM OM 1373-1...
Page 10 KEYPAD AND DISPLAY Figure 6: Commission Unit Menu Structure DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 11 KEYPAD AND DISPLAY WWW.DAIKINAPPLIED.COM OM 1373-1...
Page 12 Contact Closure 297A Passive Ventilation Input Contact Closure 2100 Smoke Purge - Purge Contact Closure 2101 Smoke Purge - Pressurize Contact Closure 2102 Smoke Purge - Vent Contact Closure 2103 Smoke Purge - Shutdown Contact Closure DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 13 The MicroTech unit controller can be connected to a variety of field installed sensors. Table 2: Field Installed Sensor Part Numbers Sensor Daikin Applied PN Space Sensor with Tenant Override 113117701 DDC Space Sensor with Set point Adjust and 910143408...
Page 14 Building Automation System . See Table 37 on page 96 and refer to Table 26 on page 68 . Figure 12: Humidity Sensors Wiring Diagram Tenant Override Figure 15: Tenant Override Wiring Diagram DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 15 FIELD WIRED INPUTS Ventilation Override and Smoke Purge Alarm Output and Auxiliary Output The optional Ventilation Override Smoke Purge sequence MicroTech has an Alarm Output contact, DO9, that is available provides (4) field wire terminal block inputs that allow override on TBLV2 Terminals 215,217 that provides a digital output of unit operation during an emergency control scenario .
Page 16 An adjustable item that manually controls capacity of OAF2 Circ3. Exh Dampers 0-100% Exh Dampers is an adjustable item that sets the exhaust damper position if the unit is equipped with a modulating exhaust damper . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 17 TEMPORARY OPERATIONS Menu Display Name Default Range Description Ret/Exh Fan Ret/Exh Fan is an adjustable item that manually turns on the Return or Exhaust Fan. RFEF Cap Cmd 0-100% RFEF Cap Cmd is an adjustable item that manually sets the Return or Exhaust Fan capacity .
Page 18 CW Valve 0-100% CW Valve is an adjustable item that manually sets the capacity of the chilled water control valve . Heat Enable Heat Enable is an adjustable item that manually turns on the primary heater. DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 19 TEMPORARY OPERATIONS Menu Display Name Default Range Description Htg Valve 0-100% Htg Valve is an adjustable item that manually sets the capacity of the hot water or steam control valve . SCR Capacity 0-100% SCR Capacity is an adjustable item that manually sets the capacity of the SCR electric heater .
Page 20 6 . Revert to original control settings once temporary operation • There will be a delay before allowing compressors to be is complete . turned on . This allows valves to return to their normal state . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 21 TEMPORARY OPERATIONS Evacuating Refrigerant Charge Main Menu\Manual Control 1 . Navigate to and place unit into Evac/ChrgMode Evac/ChrgMode 2 . If is not available on the unit controller, manually set all components to the states defined in “Evac/ ChrgMode” on page 20 .
Page 22 ManClr Emerg Stop is an adjustable item that sets if the unit requires a manual reset after an emergency stop or if it will automatically restart once the AutoClr emergency signal does not exist . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 23 UNIT SET-UP Enable the Unit Cool Only When the Net App Mode is set to “Cool Only,” cooling operation Control Mode is allowed to operate as required to maintain the cooling set points. Heating operation is disabled (Heating Status is “Off The unit heating and cooling can be set up for automatic heat/ Net”) .
Page 24 • Schedule: Occupancy can be driven off of a schedule the keypad to zero or by disabling the unit . either through the network or using the internal schedule function on MicroTech . — Network: When occupancy is set to Net Schedule, this DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 25 OCCUPANCY Determining Unoccupied Source Unoccupied operation is allowed when a valid space temperature sensor(s) is present . • Unoccupied Dehumidification: Unoccupied operation is enabled with the Unocc Dehum in the Dehumidification set-up menu is set to Yes. In order for unoccupied operation to be performed a valid space humidity sensor must be connected to the unit and configured in the Humidity Sensor set up menu.
Page 26 . TOSensorSrc None TOSensorSrc is an adjustable item which indicates which space sensor can drive tenant override . MicroTech 4 can support up to 3 Sensor1 space sensors with tenant override . Sensor2 Sensor3...
Page 27 SCHEDULINg Scheduling One Event Scheduling One-Event Scheduling is provided so that one operating period The unit can be scheduled for operation by using the following can be scheduled without affecting the regular internal schedule. three methods: A start date/time and an end date/time can be set . The unit •...
Page 28 DLS Strt Week is an adjustable item that sets the week of the month for daylight Week savings time to begin . 2ndWeek 3rdWeek 4thWeek 5thWeek DLS End DLS End Mon is an adjustable item that sets the month for daylight savings time Month to end . Jan-Dec DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 29 SCHEDULINg Menu Default Range Description Display Name DLS End 1stWeek 1stWeek DLS End Week is an adjustable item that sets the week of the month for daylight Week savings time to end . 2ndWeek 3rdWeek 4thWeek 5thWeek DLSEnable Auto DLS Enable is an adjustable item that sets whether or not daylight savings time is enabled .
Page 30 (off Ambient). Purge Operation will be enabled prior to any scheduled start by the amount of time defined by the max purge time . Purge Operation is only valid if conditions are suitable for economizer operation and there is a space temperature sensor connected to the unit . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 31 QUICK MENU Quick Menu Items in the Quick Menu contain basic unit operating status and control set point parameters. The items shown in the Quick Menu are Read Only if a valid password has not been entered . The following are brief descriptions of the Quick Menu items . No password is required to view the Quick Menu .
Page 32 SAF Capacity is a status only item which indicates the current capacity of the supply air fan . SAF DuctPress 0 .0-5 .0in SAF DuctPress is a status only item which displays the current supply duct static pressure reading . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 33 QUICK MENU Menu Display Default Range Description Name SAF DSP Spt 1 .0in 0 .2-4 .0in SAF DSP Spt is a status only item which displays the current supply fan duct static pressure set point . Once a valid password has been entered this item becomes an adjustable item.
Page 34 “Occupancy Menu” on page 26 for how occupancy is DAT limit by more than ½ the DAT heating deadband . determined . This will prevent more cold air from being brought in when the DAT is already cold . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 35 UNIT STATE Dehumidification — The economizer operation is disabled or not present . • Discharge Air Temperature (DAC): If the unit is configured Dehumidification alone is not an operating state, but a mode for Discharge Air Temperature Control the transition to of operation that can be active or inactive in the Fan Only and Cooling will occur when the following are true: Cooling operating states when properly equipped.
Page 36 100% Outside Air, the unit immediately transitions from Startup to the Fan Only state . As soon as the unit enters the Fan Only state, the unit will immediately transition to the Heating state or MinDAT . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 37 UNIT STATE Unit Status/Settings The “Unit Status Settings” menu provides a summary of basic unit status and control items . This menu summarizes the current operating state of the unit, giving the operating state the unit is in, along with the current capacity level of that operating state . Table 12: Main Menu \ View Status \ Unit Status \ Settings Menu Display Default...
Page 38 A status only item which indicates the current state of Heating . None OffAmb OffAlm OffNet OffMan OffDehum 2nd Htg Status Enabled A status only item which indicates the current state of the 2nd Heating Status . None OffAmb OffNet OffMan DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 39 UNIT STATE Menu Display Default Range Description Name Econo Status Enabled Econo Status is a status only item which indicates whether or not the economizer is currently enabled. If economizer is enabled, the reason None is indicated . OffAmb OffAlm OffNet OffMan OffDehum...
Page 40 • Space - Space is the most common and ideal change over remains enabled until the control temperature begins to rise source temperature for Zone control units . The MicroTech 4 and rises above the occupied or unoccupied heating set point controller can handle up to three space temperature sensor by more than ½...
Page 41 UNIT STATE Discharge Air Temperature Control Single Zone VAV - 1ZnVAV In general, a unit configured for discharge air temperature A unit configured for single zone VAV operates to deliver the control (DTC) either operates to deliver the cooling discharge cooling discharge air temperature set point using economizer air temperature set point using economizer and or mechanical and/or mechanical cooling or the heating discharge air...
Page 42 Demand Shed is an adjustable item used to enable or disable the ability of the a demand shed sequence to be initiated where the occClg or Occ Heat Enable setpoints are overridden by predetermine shed increments . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 43 UNIT STATE Supply Air Fan • Carbon Dioxide Control(CO2): When a unit is configured for 100% outdoor air application and the control type is discharge temperature control, the unit can be configured Supply Air Fan Operation to control the supply fan capacity based on a CO2 sensor At least two Supply Air Fans will be provided with every unit .
Page 44 Occ Clg Spt is a status only item which indicates the temperature in which the unit will go into the cooling mode of operation . Once a valid password has been entered this item becomes an adjustable item. DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 45 UNIT STATE Menu Display Name Default Range Description Occ Htg Spt 68 .0°F 0 .0-100 .0°F Occ Htg Spt is a status only item which indicates the temperature in which the unit will go into the heating mode of operation . Once a valid password has been entered this item becomes an adjustable item.
Page 46 SAF operation for each ECM fan . HLL=Hall Sensor Error TFEI TFEI= Electronics Interior Overheated TFM=Motor Overheated TFE=Power Mod Overheated BLK=Locked Motor SKF=Communication Error PHA=Phase Failure UzLow UzLow=DC-Link Undervoltage UzHigh UzHigh=DC Link Overvoltage UeLow UeHigh=Mains Overvoltage UeHigh UeLow=Mains Undervoltage NoComm DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 47 UNIT STATE Return Exhaust Fan Fan Tracking Control (Tracking) When the RFEF Ctrl is set to Tracking the return fan or exhaust Rooftop units may be equipped with zero, one, or more Return fan capacity is varied to maintain an adjustable offset between or Exhaust Fans .
Page 48 (MinRFEF Cap) and the maximum (MaxRFEFCap) as the OA damper varies between the exhaust on outdoor air damper position (ExhOnOA Pos) and the exhaust maximum outdoor air position (ExhMxOAPos) . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 49 UNIT STATE Return Fan/Exhaust Fan Menus RFEF Control Menu The RFEF Control Menu is a view status menu that displays all relevant return or exhaust fan control parameters . Table 17: Main Menu \ View Status \ RFEF Control Menu Display Name Default Range Description...
Page 50 (RPM) that the return/exhaust air fans will be allowed to operate at in units that are us the ECM fans . Note this is set based on the Return/exhaust fan model size and the system specifications. DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 51 UNIT STATE Menu Display Default Range Description Name Min RFEF Cap 0-100% MinRFEF Cap is an adjustable item used to set the minimum capacity that the Return/Exhaust fans will be allowed to operate at . Max RFEF Cap 100% 0-100% MaxRFEF Cap is an adjustable item used to set the maximum capacity that the Return/Exhaust fans will be allowed to operate at .
Page 52 An adjustable item used to set the Exhaust Plenum Static Pressure High Set point . Exh PSP DB 0 .050in 0 .0-0 .10in Exh PSP DB is an adjustable item that sets the deadband around the exhaust plenum static pressure . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 53 COOLINg Cooling is greater than the cooling discharge air temperature set point by more than ½ the cooling DAT deadband . Conversely, the compressor capacity is decreased if the projected discharge Zone Temperature Control air temperature reading is less than the cooling discharge air temperature set point by more than ½...
Page 54 . 3 . Network, ExtSig: It is recommended that a network control the DAT reset schedule when a rooftop unit is applied in a multizone VAV system with diverse loads. In this case, the DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 55 COOLINg Figure 21: Climate Zone Map Table 21: Sensible and Latent Applications Sensible DXBP Application Latent DX BP Application Climate Zone 1-6 B or C . Application SHR SHR is > .8 SHR is between 0 .7-0 .8 Outside Air Mixed Air 100% Outside Air Mixed Air...
Page 56 Reset reverts from Return to None when a Return Air Sensor opens or Shorts . Reset Reverts from Space to None when a Space Sensor opens or shorts . Reset Reverts from OAT to None when an Outdoor Air Sensor opens or shorts . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 57 COOLINg Cooling Menus Compressor Status The Cooling Menu is a view status menu that displays all relevant Cooling Status items . Table 22: Main Menu \ View Status \ Compressor Status Menu Display Name Default Range Description Clg Capacity 0-100% Clg Capacity is a status only item which indicates the percentage of the unit maximum cooling capacity currently operating .
Page 58 A status only item which indicates the Liquid Sub Cooling in Refrigerant Circuit 3 . 100 .0°F -50 .0-212 .0°F A status only item which indicates the Sat . Evap . Temperature in Refrigerant Circuit 3 . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 59 COOLINg Menu Display Name Default Range Description -50 .0-212 .0°F A status only item which indicates the Sat . Cond . Temperature in Refrigerant Circuit 3 . C3DRT1 -50 .0-392 .0°F A status only item which indicates the Discharge Temperature of Comp . 1 in Refrigerant Circuit 3 .
Page 60 Compressor 4 . C3FCmp3 A status only item which indicates the status (on/off) of Circuit 3/ Fixed Compressor 3 . C1FCmp5 A status only item which indicates the status (on/off) of Circuit 1/ Fixed Compressor 5 . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 61 COOLINg Menu Display Name Default Range Description C2FCmp6 A status only item which indicates the status (on/off) of Circuit 2/ Fixed Compressor 6 . C3FCmp5 A status only item which indicates the status (on/off) of Circuit 3/ Fixed Compressor 5 . Control Temp -461 .2- Control Temp is a status only item which displays the current value of...
Page 62 . For example, if the DXBP Leaving Coil Temperature set point is set to 52°F and the DXBP LCT DB is set to 2°F the dead band around the set point would be from 54 .0°F to 50 .0°F . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 63 COOLINg Menu Display Name Default Range Description DXBPLCTSptRst None None DXBPLCTSptRst is an adjustable item that is used to set the type of DXBPLCT reset to be used . Network Space Return Airflow SpaceH1 SpaceH2 SpcDpt1 SpcDpt2 OADwpt RADwpt Hum1PI Hum2PI Dwpt1PI Dwpt2PI...
Page 64 Cooling or Fan Only unit states . • Unoccupied: Dehumidification default settings allow dehum to operate in occupied only, The unoccupied operation is an adjustable setting to allow unoccupied dehumidification. Figure 22: Cooling/Dehumidification Psychrometric Charts DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 65 DEHUMIDIFICATION Staged Compressors When Dehumidification is active, compressor stages are controlled to maintain the leaving coil temperature between the minimum leaving coil temperature set point (MinLCTSpt) and the maximum leaving coil temperature setpoint(MaxLCT Spt) . During dehumidification operation, the number of compressor stages increases or decreases to maintain the leaving coil temperature between the minimum and maximum leaving coil temperature set point .
Page 66 DEHUMIDIFICATION Figure 24: Reheat Control DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 67 DEHUMIDIFICATION LCT (Leaving Coil Temperature) Reset Using a Leaving Coil Temperature Reset can be useful in humidity control applications where dehumidification loads vary greatly with occupancy or climate . By implementing a reset of the leaving coil temperature based on feedback from load driving variables, dehumidification control is enhanced by reacting to changing dehumidification loads throughout operation.
Page 68 Rel Humidity= value and either the Space Temp= or Return Air= value, depending on the setting of the Humidity Sensor Location . This parameter can either be set to “Space” or “Return .” DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 69 DEHUMIDIFICATION Menu Display Default Range Description Name Dew point 2 -50 .0-150 .0°F Dew point 2 is a status only item that indicates the current dew point value that is calculated by the controller using the Rel Humidity= value and either the Space Temp= or Return Air= value, depending on the setting of the Humidity Sensor Location .
Page 70 85°F and the Htg DB is set to 2°F the dead band around the set point would be from 83 .0°F to 87 .0°F . Unocc Dehum Unocc Dehum is an adjustable item which sets if dehumidification is allowed in Unoccupied operation . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 71 HEATINg Heating Modulating Control Modulating heating control is available with gas, electric, hot Heating Operation water, and steam heating types. There are some differences in the control sequence depending on the heat type installed . The A unit may be configured with one of several optional types of different types are described in the following sections.
Page 72 100% Outside Air, the unit immediately transitions from Startup to the Fan Only State . As soon as the unit enters the Fan Only Stat, the unit will immediately transition to the Heating State or MinDAT . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 73 HEATINg Outdoor Air Ambient Heating Lockout Freezestat Heating is disabled whenever the outdoor air temperature When a unit is equipped with chilled water, hot water, or steam is greater than the Outdoor Air Ambient Heating Lockout coil, a freeze problem occurs when the optional Freezestat Set Point .
Page 74 Heating Set Point parameter . For example, if the Occ Heating Set Point parameter is set to 68ºF and the Htg Deadband parameter is set to 2ºF the dead band around the set point would be from 70 .0ºF to 66 .0ºF . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 75 HEATINg Menu Display Default Range Description Name Disch Air -50 .0- Disch Air is a status only item which displays the current temperature reading 250 .0°F from the unit’s discharge air temperature sensor (DAT) . This sensor is standard on all units . DAT HtSpt 85 .0°F 40 .0-...
Page 76 1 . Retry PrePg IgnOn GasOn Warmup No Comm StgG2PriState= Lckout A status only item which indicates the state of the staged furnace Primary control board 2 . Retry PrePg IgnOn GasOn Warmup No Comm DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 77 HEATINg Menu Display Default Range Description Name StgG3PriState= Lckout A status only item which indicates the state of the staged furnace Primary control board 3 . Retry PrePg IgnOn GasOn Warmup No Comm StgGSpltState= Lckout A status only item which indicates the state of the furnace Split manifold control board .
Page 78 45 .0°F 0-80 .0°F An adjustable item used to set the Preheater Leaving Coil Temperature Set point. PrhtLCTDB 2 .0°F 1-10 .0°F An adjustable item used to set the Preheater Leaving Coil Temperature Deadband . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 79 OUTSIDE AIR DAMPER Outside Air Damper Startup state), the unit is in the Recirculation state, unoccupied operation is active, or the fan has been on for less than the Zero OA Time . As a result, the OA dampers are driven closed in Outside Air Damper Operation unoccupied operation, and morning start-up situations .
Page 80 Outdoor Airflow Set point. varies between two setpoints, the VentLimit, and the LoFlow Vent limit (LoFloVentLmt) as the SAF capacity varies from maximum to minimum respectively . Figure 26: Outdoor Air Damper Reset DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 81 OUTSIDE AIR DAMPER Minimum Outside Air Reset Types • None: If The minimum Outside Air Reset is selected as None, the Minimum OA Damper position is always equal to the Ventilation Limit . The Demand Control Ventilation Limit is not applicable, and can be ignored . •...
Page 82 . Once building pressure override is active, the damper will modulate to maintain the building pressure set point . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 83 OUTSIDE AIR DAMPER OA Damper Menus OA Damper Set-Up Table 31: Main Menu \ Commission Unit \ OA Damper Set-Up Menu Display Name Default Range Description Vent Limit 0-100% Vent Limit is an adjustable item that sets the value of the Ventilation Limit on a CAV unit or when a VAV unit is at 100% discharge fan speed .
Page 84 0 .000- BSP DB is an adjustable item that sets the deadband around the Bldg SP set 0 .100in point that the PI Loop will modulating the return fan/exhaust air fan capacity to maintain . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 85 ECONOMIzER CONTROL Economizer Control Comparative Energy/Enthalpy Economizer Economizer Operation Units equipped with a Comparative Energy Economizer determines if the outdoor air is suitable for free cooling by If a unit is equipped with a 0-100% Outside Air Economizer, comparing the energy enthalpy of the outdoor air and return and the outdoor air is suitable for free cooling, the unit attempts air, and the energy to cool to meet the cooling DAT or Zone Set to satisfy the cooling load by using the outdoor air before...
Page 86 1 and 2 . Cases 1 and 2 are only valid for cases where the return air dew point is greater than the discharge air set point dew point . Figure 27: Case 1 and 2 DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 87 ECONOMIzER CONTROL Case 3 and 4 The light red row in Table 32 on page 85 is represented by Figure 28 below . The shaded greed areas of this chart represent the Outdoor air conditions where economizing is allowed to occur for cases 3 and 4 .
Page 88 (posSwOpen%) . Minimum switch differential (MinSwDiff), damper end switch closed (PosSwClose%) and maximum switch differential (MaxSwDiff) parameters respectively. Calibrate OAD= parameter is then be set back to No and normal unit operation resumes . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 89 ECONOMIzER CONTROL Economizer Menus Economizer Status The Economizer Menu is a view status menu that displays all relevant Economizer status item . Table 33: Main Menu \ View Status \ Economizer Menu Display Default Range Description Name OAD Position 0-100% OAD Position is a status only item which indicates the percentage that the outdoor air damper is currently open .
Page 90 This parameter can also be manually adjusted. Max Sw Diff 0-100% Max Sw Diff is an item that indicates the captured switch differential at the open (maximum) end of the damper modulation . This parameter can also be manually adjusted. DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 91 ECONOMIzER CONTROL Menu Display Default Range Description Name Pos Sw Close 0-100% PosSwClose is an item that indicates the captured command position at which the outdoor damper position end switch closes at the closed end of the damper modulation range. This parameter can also be manually adjusted. Min Sw Diff 0-100% Min SW Diff is an item that indicates the captured switch differential at the closed...
Page 92 . • Fan Only: When the unit is in the Fan Only state, the energy recovery wheel is slowed do due to capacity limiting DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 93 ENERgY RECOvERY Energy Wheel Frost Prevention Initiation Condensation and frosting on the energy recovery wheel is possible when the exhaust air leaving the wheel is saturated . This condition is only possible when the energy recovery psychrometric saturation process line between the indoor and outdoor design points intersect the psychrometric saturation curve .
Page 94 ER EWT is a status only item which displays the current exhaust air 200 .0°F temperature leaving the optional energy recovery wheel . RARelHum 0-100% RARelHum is a status only item that displays the current relative humidity of the return air Humidity sensor . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 95 OTHER CONFIgURATIONS Other Configurations This Other Configurations section covers commissioning items and miscellaneous Rebel Applied features. Timer Settings The Timer Settings menu contains adjustable timers for various unit functions. This menu is also available in the Service menu (Main Menu \ Service Menu \ Timer Settings) . Table 36: Main Menu \ Commission Unit \ Timer Settings Menu Display Default...
Page 96 OARel Hum is a status only item that shows the current relative humidity reading of Outdoor air . OADewpoint -50-150°F OADewpoint is a status only item that shows the current calculated dew point of the Outdoor air . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 97 “Off State”. If the “Unit” is not currently in • Option 1 Temperature Only: (1)QMXS, (2) QMXS, or the “Off State” proceed back to the Main “Daikin AHU” (3) QMXS . Sensor Model number/Type: QMX3 .P34 or Menu Screen and put the “Unit”...
Page 98 “CommissionMode=Off” after the controller re-start, you time delay, the Controller will “reset” . will now be able to proceed back to the Main “Daikin NOTE: If the “Commissioning Mode” is manually turned “Off” AHU” Menu Screen when pressing the back button on while it is “Active, the controller will re-start after a short...
Page 99 OTHER CONFIgURATIONS Table 38: Main Menu \ Commission Unit \ Remote Sensor Set-Up Menu Display Default Range Description Name Snsr1 ID 000000000000-ffffffffffff Snsr1 ID = “…..h” is a status only item that indicates the current remote sensor ID connected as “Sensor1” (RoomZn1). Snsr2 ID 000000000000-ffffffffffffh Snsr2 ID = “…..h”...
Page 100 The default room name for Sensor3 is within the parenthesis “RoomZn3” . The name of Sensor3 within the “ . .” can be changed on the “Snsr3 Information” Screen. The “name” is limited to 7 characters . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 101 OTHER CONFIgURATIONS Table 39: Main Menu \ Commission Unit \ Sensr1:RmZn1, 2, or 3 Menu Display Default Range Description Name Sensor1 Name RoomZn1 ******* This is a text input for defining the name of the Room Zone associated with “SensorX”. It is limited to 7 characters. Upper (7 character name) Case, Lower Case, and Numbers are allowed .
Page 102 Output X1…X8 AO is a status only item that shows the current analog output mA at this output . Output DO1-DO6 A status only item that shows the current state of the digital output . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 103 OTHER CONFIgURATIONS Trending Set-Up The MicroTech ships from the factory with four pre-configured Trend Sets and one freely definable trend set. One or all of these sets may be activated at anytime. Trend Set 1 will come from the factory configured to trend. Each trend set contains up to 30 data points. The data collected may be manually or automatically exported to an SD card (factory provided) inserted into the controllers built in SD card reader.
Page 104 Supply Air Fan 2 Communication Status SAF3CommStatus Supply Air Fan 3 Communication Status SAF4CommStatus Supply Air Fan 4 Communication Status EconChgOvr Economizer Changeover Method Status FanInterlock Supply Fan Interlock Input Status EPSP Exhaust Plenum Static Pressure DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 105 OTHER CONFIgURATIONS Table 43: Trend Set 3 Names and Descriptions Trend Set 3 Point # Point Name Description ERWhlCapOut Energy Recovery Wheel Capacity ER_EWT Energy Recovery Wheel Exhaust Air Temperature ER_LWT Energy Recovery Wheel Leaving Air Temperature Hum_1 Relative Humidity Input 1 Hum_2 Relative Humidity Input 2 Hum1Spt...
Page 106 Circuit 1 Compressor 5 Output Status C2FCmp6SSOut Circuit 2 Compressor 6 Output Status LCTSetpoint Leaving coil set point LCTSptSCRRht Leaving coil set point SAFFlow Supply Air Fan Airflow RFEFFlow Return/Exhaust Air Fan Airflow HtgCapCmd Heating Capacity Command Input Spare Spare DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 107 OTHER CONFIgURATIONS Table 45: Trend Set 5 Names and Descriptions Trend Set 5 Point # Point Name Description ECM_SAF5Status Supply Fan 5 Drive Status ECM_SAF6Status Supply Fan 6 Drive Status C1OAF1Status Circuit 1 Outdoor Fan 1 Status C1OAF2Status Circuit 1 Outdoor Fan 2 Status C2OAF1Status Circuit 2 Outdoor Fan 1 Status C2OAF2Status...
Page 108 TrendFull is an adjustable item that is used to determine if the data should overwrite the oldest data on the card when the Stop memory is full “Wrap”, or if it should strop trending when the memory is full . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 109 OTHER CONFIgURATIONS BMS Communications Refer to the installation manuals below for detailed instructions for each BMS communication type . • IM 916 MicroTech Unit Controller – BACnet IP • IM 917 MicroTech Unit Controller – BACnet MSTP • IM 918 MicroTech Unit Controller – LON Communications LON Set-Up Table 47: Main Menu \ BMS Communications \ LON Set-Up Menu Display...
Page 110 Comm Status OK(0) Comm Status shows the status of the communications . Hardware(1) Init(2) Memory(3) ID(4) COVReg(5) Other (6) BACnet BSP Board Support Package. Displays the version of firmware loaded in the LonWorks communication module . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 111 OTHER CONFIgURATIONS BACnet IP Set-UP Table 49: Main Menu \ BMS Communications \ BACnet IP Set-Up Menu Display Default Range Description Name ApplyIPChgs ApplyIPChgs is an adjustable flag that when set to yes will cycle power to the controller to allow the network setup changes to take place .
Page 112 Space Return ExtmA ExtV Airflow SpaceH1 SpaceH2 Econo Reset None None Network Space Return Htg Reset None None Network Space Return ExtmA ExtV Min OA Reset None None Network ExtSig Ctrl Temp Src Space None DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 113 OTHER CONFIgURATIONS Menu Display Default Range Name Rem Spt Src None None QMX1 QMX2 QMX3 Occ Clg Spt 72 .0°F 0 .0-100 .0°F Occ Htg Spt 68 .0°F 0 .0-100 .0°F SAF Ctrl Spd/Net 1ZnVAV Flow RFEF Ctrl Tracking Spd/Net Flow FlowDiff WWW.DAIKINAPPLIED.COM...
Page 114 -1 .0-1 .0 (-1 .0) Net Ec Ena V 0-255% (255%) Net SAF Cap 0-100% (164%) Net RFEF Cap 0-100% (164%) Net Space PPM 0-5000ppm (65535ppm) Net Rel Humid 0-100% (164%) Net DATClg Spt 40 .0-100 .0°F DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 115 OTHER CONFIgURATIONS Menu Display Default Range Name Net DATHtgSpt 40 .0-140 .0°F Net DATHtgSpt 40 .0-105 .0°F NetLCTSpt 45 .0-65 .0°F NetDXBPLCTSpt 45 .0-65 .0°F NetDemandShed Inactive Auto Manual nviSetpoint 0 .0-100 .0°F (621 .8°F) NetOccManCmd Unocc TntOvrd Standby Auto Net Min OA 0-100% nvoEffSpt...
Page 116 L2 0 .0-200 .0 kVA L2 is the current Individual L2 Phase Apparent Powers (kVA) Signed . kVA L3 0 .0-200 .0 kVA L3 is the current Individual L3 Phase Apparent Powers (kVA) Signed . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 117 OTHER CONFIgURATIONS Menu Display Default Range Description Name Power Factor 0 .0-200 .0 Power Factor is the system Total Power Factor (PF) (Signed) . The ratio of the real power to the reactive power . (Power Factor = True Power / Apparent Power) . Accm kVARh L1 0 .0-1000000 .0 Accm kVARh L1 is a running total of the reactive power hours...
Page 118 ER Preheat is a status only item that displays the number run hours for the Energy Recovery Pre-heater . UV Lights 0 .0-999999 .0h UV Lights is a status only item that displays the number of operating hours for the UV Lights . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 119 UNIT MAINTENANCE AND SERvICE Air Filters Table 54: Main Menu \ Commission Unit \ Unit Maintenance \ Air Filters Menu Display Default Range Description Name MainFltrSpt1= 0 .5in 0 .0-5 .0in An adjustable input to select the pressure at which a “dirty filter” flag becomes true for Filter bank 1.
Page 120 . This time period begins when the supply fan starts . Service Time 0min 0-60min Service Time is an adjustable item that sets the amount of time the internal control timers can be temporarily sped up . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 121 UNIT MAINTENANCE AND SERvICE Operating Hours The Operating Hours menu contains status items that display the number run hours for various components and operating states . This menu is also available in the Commission unit menu (Main Menu \ Commission Unit \ Unit Maintenance \ Operating Hours) . Table 56: Main Menu \ Service Menus \ Operating Hours Menu Display Default...
Page 122 A status only item which indicates the Discharge Refrig . Temperature of Circuit 3/ Comp 1 . C3DRT3 -83 .2-392 .0°F A status only item which indicates the Discharge Refrig . Temperature of Circuit 3/ Comp 3 . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 123 UNIT MAINTENANCE AND SERvICE Menu Display Default Range Description Name C3DRT5 -83 .2-392 .0°F A status only item which indicates the Discharge Refrig . Temperature of Circuit 3/ Comp 5 . SRT1 -50 .0-200 .0°F SRT1 is a status only item which displays the current suction refrigerant line temperature sensor reading on Circuit #1 .
Page 124 Dirty Filter: Warning – The Alarm will display the alarm name : Alarm Type . Type Freeze: Fault Alarm Date 01/01/1970-01/01/9999 Each alarm will display the date and time the alarm occurred . Alarm Time 00:00:00-23:59:59 DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 125 UNIT MAINTENANCE AND SERvICE Alarm and Event Descriptions Warnings Warnings are notifications only. No action is taken by the controller in response to a Warning. Table 60: Main Menu \ Service Menus \ Active Alarms Alarm Number Alarm Description Display Name No Active No Active Warnings are indicated .
Page 126 (MinSwDiff), damper end switch closed (PosSwClose%) and maximum switch differential (MaxSwDiff) values are determined during the OAD damper end switch calibration process. The alarm will automatically clear when the conditions causing the alarm are no longer valid . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 127 UNIT MAINTENANCE AND SERvICE Alarm Number Alarm Description Display Name OADStuck: A warning alarm indicating the outdoor air dampers are stuck and not modulating will be Warning generated whenever the damper are stuck open or stuck closed . The dampers are considered stuck open when either of the following abnormal situations occurs: •...
Page 128 30 minutes; the SSH1-SSHSpt >20.0°F, DSH1<5.0°F, and EVI Pos >95%. This alarm must be manually cleared PTS2 Sensor: once corrective action has been taken . Problem DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 129 UNIT MAINTENANCE AND SERvICE Alarm Number Alarm Display Description Name PTD1 Sensor: This alarm occurs when either the circuit 1 discharge line pressure inputs (PTD1) Problem remains above 705 psi for 10 seconds or a compressor on circuit 2 has been operating for 60 seconds and the PTD1 value remains less than 155 psi .
Page 130 When a unit is equipped with a Natural Gas or Propane Burner and the modulating (Control Type: ZTC, burner Modbus status is Fault for 20 seconds . This automatically clears once DTC or 1ZnVAV) communications are reestablished . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 131 UNIT MAINTENANCE AND SERvICE Faults Faults class alarms will cause the unit to shut down completely . Table 62: Main Menu \ Service Menus \ Fault Alarms Alarm Number Alarm Display Description Name No Active Faults No Active Faults is displayed when there are no active faults . Airflow: Fault The Airflow Fault occurs when the fan does not provide flow feedback after 5 start tries .
Page 132 Circuit 1 Low Suction Superheat Conditions Present LoSSH2_Event Circuit 2 Low Suction Superheat Conditions Present HiSSH1_Event Circuit 1 High Suction Superheat Conditions Present HiSSH2_Event Circuit 2 High Suction Superheat Conditions Present LoSubClg1_Event Circuit 1 Low Subcooling Conditions Present DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 133 vIEWINg EvENTS Event Name Description LoSubClg2_Event Circuit 2 Low Subcooling Conditions Present HiSubClg1_Event Circuit 3 High Subcooling Conditions Present HiSubClg2_Event Circuit 2 High Subcooling Conditions Present LoDSH1_Event Circuit 1 Low Discharge Superheat Conditions Present LoDSH2_Event Circuit 2 Low Discharge Superheat Conditions Present HiDSH1_Event Circuit 1 High Discharge Superheat Conditions Present HiDSH2_Event...
Page 134 Solenoid Malfunction LoTe1_Event Low Evaporator Dirty filter Low load/Low Temp RA Temp HiTe1_Event High Evaporator High load/High Temp RA Temp HiDRT1_Event High Discharge Low charge Temp Malfunction HiSRT1_Event High Suction Low charge Temp adjustment Malfunction DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 135 vIEWINg EvENTS Alarm/Event Configurations Some Alarm/Event Configurations can be customized based on application. Several temperature limits can be adjusted and logging of alarms can be customized and captured to SD cards based on the configurations set in the Alarm Config Menu. Table 66: Main Menu \ Service Menus \ Alarm/Event Config Menu Menu Display Default Range...
Page 136 Emergency Off (Fault/Normal) Alarm Reset Input Dry Contact Fan Interlock Input Dry Contact Compressor System Protection Interlock Dry Contact Input Digital Inputs – 24V Point Comments RemoteSwitch (Stop/Start) HeatCool Command Input Passive Ventilation Input Emergency Off (Fault/Normal) DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 137 MICROTECH INPUTS/OUTPUTS Digital Inputs – 115V Point Comments DHL (Fault/Normal) Freezestat Digital Outputs – Relay (SPST, Normally Open, 230 VAC 3 Amp Point Comments Local/Remote Status Output Reheat Bleed Valve Aux . Defrost Heater Defrost Status Heat (On/Off) Heat Stage 1 Heat Stage 2 Heat Stage 3 Heat Stage 4...
Page 138 Digital Outputs – Relay (SPST, Normally Open, 230 VAC 3 Amp) Point Comments Preheat Heating Valve Not Used Not Used Not Used Digital Outputs – Solid State Relays, 24-230 VAC, 0 .5 A Point Comments Not Used Not Used EV Drivers Point Comments DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 139 MICROTECH INPUTS/OUTPUTS MHGRH Valve 2 POL96E Sporlan 3-Way Valve • 200 Steps/second • Bipolar • 6386 steps • 160mA current • No holding current • 0 overdrive open steps • 630 overdrive close steps • DeadTimeSync MHGRH Valve 3 Sporlan 3-Way Valve •...
Page 140 Digital Outputs – Relay (SPST, Normally Open, 230 VAC 3 Amp) Point Comments Generic BO1 Generic BO2 Generic BO3 Generic BO4 Digital Outputs – Solid State Relays, 24-230 VAC, 0 .5 A Point Comments Generic BO5 Generic BO6 DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 141 MICROTECH INPUTS/OUTPUTS Expansion Module C I/O (POL965 or POL98E/U) POL98E module will be used when the unit is equipped with R32 refrigerant (Refrig Type is R32) . Otherwise POL965 will be used . Table 70: Expansion Module C I/O (Refrigeration Circuit 1) Analog Inputs - NTC Point Comments...
Page 142 Digital Outputs – Relay (SPST, Normally Open, 230 VAC 3 Amp) Point Comments C1:Cond Solenoid 2 Digital Outputs – Solid State Relays, 24-230 VAC, 0 .5 A Point Comments Not Used Not Used EV Drivers Point Comments Not Used Not Used DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 143 MICROTECH INPUTS/OUTPUTS Expansion Module D I/O (POL965 or POL98E/U) POL98E module will be used when the unit is equipped with R32 refrigerant (Refrig Type is R32) . Otherwise POL965 will be used . Table 71: Expansion Module D I/O (Refrigeration Circuit 2) Analog Inputs –NTC C2FCmp2Temp 50K Thermistor...
Page 144 Digital Outputs – Relay (SPST, Normally Open, 230 VAC 3 Amp) Point Comments C2:Cond Solenoid 2 Digital Outputs – Solid State Relays, 24-230 VAC, 0 .5 A Point Comments Not Used DO10 Not Used EV Drivers Point Comments C2EVI1 Not Used DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 145 MICROTECH INPUTS/OUTPUTS Expansion Module E I/O (POL96E/U or POL98E/U) POL98 module will be used when the unit is equipped with R32 refrigerant (Refrig Type is R32, R32HPAx or R32HP) . Otherwise POL96 will be used . Table 72: Expansion Module E I/O (Refrigeration Circuit 1) Analog Inputs –NTC Not Used Not Used...
Page 146 Digital Outputs – Relay (SPST, Normally Open, 230 VAC 3 Amp) Point Comments C1:Cond Solenoid 2 Digital Outputs – Solid State Relays, 24-230 VAC, 0 .5 A Point Comments C1FCmp5SSOut Compressor 5 DO10 Not Used EV Drivers Point Comments C1EVI1 C1EVI2 C1EVO DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 147 MICROTECH INPUTS/OUTPUTS Expansion Module F I/O (POL96E/U or POL98E/U) POL98 module will be used when the unit is equipped with heat pump capability (Refrig Type is R32HP,R32HP75, R32HP50, R32HP25 or R32HP0) . Otherwise POL96 will be used . Table 73: Expansion Module F I/O (Refrigeration Circuit 2) Analog Inputs –NTC Not Used Not Used...
Page 148 Digital Outputs – Relay (SPST, Normally Open, 230 VAC 3 Amp) Point Comments C2:Cond Solenoid 2 Digital Outputs – Solid State Relays, 24-230 VAC, .5 A Point Comments C2FCmp6SSOut Compressor 6 DO10 Not Used EV Drivers Point Comments C2EVI1 C2EVI2 C2EVO DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 149 MICROTECH INPUTS/OUTPUTS Expansion Module G I/O (POL96E/U or POL98E/U) POL96 module will be used when the unit is equipped with a variable capacity compressor on circuit 3 and no heat pump capability (Refrig Type is not R32HP75, R32HP50, R32HP25 or R32HP0) . Otherwise POL98 will be used . Table 74: Expansion Module G I/O (Refrigeration Circuit 3) Analog Inputs –NTC C3FCmp1Temp...
Page 150 Digital Outputs – Relay (SPST, Normally Open, 230 VAC 3 Amp) Point Comments C3Cond Solenoid 2 C3Cond Solenoid 3 Digital Outputs – Solid State Relays, 24-230 VAC, 0 .5 A Point Comments C3FCmp5SSOut Compressor 5 DO10 Not Used EV Drivers Point Comments C3EVI1 C3EVI2 DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 151 MICROTECH INPUTS/OUTPUTS Expansion Module H I/O (POL965) Table 75: Expansion Module H I/O (Return/Outdoor Panel) Universal Inputs/Outputs Point Comments OAFlow Input 0-10VDC or 4-20 mA Filter Switch Input 1 (Main Filter Section) Dry Contacts Return Air Temperature 10K Thermistor Coefs/ InputType = 7 DX Bypass Damper 0-10 VDC OA Damper...
Page 152 Energy Recovery Wheel Energy Recovery On/Off Bypass Damper Closed Energy Recovery Bypass Damper Open Energy Recovery Digital Outputs – Solid State Relays, 24-230 VAC, 0 .5 A Point Comments Not Used Not Used EV Drivers Point Comments DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 153 MICROTECH INPUTS/OUTPUTS Expansion Model J I/O (POL965) Table 77: Expansion Module J I/O (Main Control Panel) Universal Inputs/Outputs Point Comments SAF1 Capacity Command 0-10VDC SAF1 Capacity Feedback 0-10VDC or 4-20mA fro VFD SAF2 Capacity Command 0-10VDC RFEF1 Capacity Command 0-10VDC SAF2 Capacity Feedback 0-10VDC or 4-20mA from VFD RFEF1 Capacity Feedback...
Page 154 Digital Outputs – Relay (SPST, Normally Open, 230 VAC 3 Amp) Point Comments RF/EF1 VFD On/Off RF/EF3 VFD On/Off RF/EF3 VFD On/Off Not Used Digital Outputs – Solid State Relays, 24-230 VAC, 0 .5 A Point Comments Not Used Not Used DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 155 MICROTECH INPUTS/OUTPUTS Expansion Model L I/O (POL925) Table 79: Expansion Module L I/O (Refrigeration Circuit 1) Digital Inputs – Dry Contacts Point Comments Options Code Enable Digital Inputs – 115V Point Comments Expansion Model M I/O (POL965) Table 80: Expansion Module M I/O (Generic Condenser Control) Universal Inputs/Outputs Point Comments...
Page 156 Standby NetTmToNxtSt 0-65534min (65535min) Net App Mode HeatOnly CoolOnly FanOnly Auto Net CI Ena S -1 .0-1 .0 (-1 .0) Net CI Ena V 0-255% (255%) Net HT Ena S -1 .0-1 .0 (-1 .0) DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 157 MICROTECH INPUTS/OUTPUTS Menu Display Default Range Name Net Ht Ena V 0-255% (255%) Net Ec Ena S -1 .0-1 .0 (-1 .0) Net Ec Ena V 0-255% (255%) Net SAF Cap 0-100% (164%) Net RFEF Cap 0-100% (164%) Net Space PPM 0-5000ppm (65535ppm) Net Rel Humid...
Page 158 A status only item that displays the current Modbus status for the A2L leak detection board . PwrMtrMBStatus No Com PwrMtrMBStatus is a status only item that displays the current Modbus Device Status . Comm DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 159 MICROTECH INPUTS/OUTPUTS Menu Display Default Range Description Name MB Resistance MB Resistance is a status only item that displays the current MB Resistance State . Pol1 Pol2 Pol12 Term2 T2P1 T2P2 T2P1P2 Default Type An adjustable item that allows the selection of the fan type to be controlled by Modbus .
Page 160 3= Refrigeration Only Control - Fans/ Comps Via MT4 (RO_FC) 4= Refrigeration Only Control - Fans/ Comps/GasHt/ElecHt Via MT4 (RO_FCGE) Fixed Compressors Variable Compressors Compressor Circuits OAFanCfg 0=None 1=OnOffT 2= OnOffP 3=VarVFD 4=VarECM1 5=VarECM2 6=VarDK1 7=VarDK2 8=AnlgMB1 9=AnlgMB2 DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 161 ADvANCED OPERATION Configuration Description Values Notes Code Position Damper Type 0=None 1=Single Position 0-30% (30OA) 2=Single Position 100% (100OA) 3=Modulating Economizer Air side (Econ) 4= Modulating Economizer Air side with FDD (EconFDD) 5=Single Position 100% with Recirc (100wRec) Heating Type 0=None 1=F&BP Control (F&BP) 2=Steam or Hot Water (HW_Stm)
Page 162 E=EF Analog1MB (EFAgMB1) F=RF Analog2MB (RFAgMB2) G=EF Analog2MB (EFAgMB2) H=RF Analog3MB (RFAgMB3) J=EF Analog3MB (EFAgMB3) ER Config 0=None 1=Constant Speed Wheel (CS) 2=Constant Speed Wheel w/ RH (CSRH) 3=NA 4=NA 5=VFD Modbus (VFD) 6=Analog (Anlg) DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 163 ADvANCED OPERATION Configuration Description Values Notes Code Position Reheat Type 0=None 1=Primary Heat Reheat (PriHtg) 2=Primary Heat Reheat w/DXBP (PriHtBP) 3=Modulating Hot Gas (MHG) 4=Modulating Hot Gas w/DXBP (MHGBP) 5=Modulating Hot Gas & Liquid Subcooling Reheat (HG_LSC) 6=Modulating Hot Gas & Liquid Subcooling Reheat w/DXBP (HGLSCBP) 7=DX Bypass Only (DXBP) 8=Modulating Liquid Subcooling Reheat...
Page 164 4=R32HP75 (heat pump 75% aux heat limit) 5=R32HP50 (heat pump 50% aux heat limit) 6=R32HP25 (heat pump 25% aux heat limit) 7=R32HP0 (heat pump 0% aux heat limit) Unit Voltage 0=208/60Hz 1=230/60Hz 2=460/60Hz 3=575/60Hz Preheat Type 0=None 1=HW_Stm 2=F&BP DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 165 ADvANCED OPERATION Configuration Description Values Notes Code Position EV Type 0=None 1=Danfoss ETS (DFETS) 2=Danfoss Colibri (DFCol) 3=Fujikoki_PAM 2000 (FJPAM2) 4=Fujikoki_PAM 3000 (FJPAM3) 5=Sporlan (Spln) 6=Fujikoki_PAM 3000/Fujikoki_PAM 2000 (Fj3/Fj2) 7=Danfoss Colibri/Fujikoki_PAM 2000 (DFC/Fj2 8=Danfoss Colibri/Fujikoki_PAM 3000 (DFC/Fj3) 9=Sporlan/Fujikoki_PAM 2000 (Spr/Fj2) A=Sporlan/Fujikoki_PAM 3000 (Spr/Fj3) B=Sporlan/Danfoss Colibri (Spr/DFC) C=Fujikoki_PAM 2000/Sporlan (Fj2/Spr)
Page 166 100% OA (default 240s) . This is to allow the temperature to approach equilibrium with the modulating gas heating valve at a fixed position. DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 167 ADvANCED OPERATION Menu Display Default Range Description Name Srvc Time Inc 30-300s Srvc Time Inc is an adjustable item used to set the internal stage time delay when the Aux is not zero, the times listed below are to set to the Service Time (Default = 30s) instead of the normal values .
Page 168 630 (default 000-999 An adjustable item to select the Supply Air Fan diameter. read and established via Modbus) KVal Ovrd 000-999 An adjustable item to enter a piezo ring K-Value which will override existing value . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 169 ADvANCED OPERATION Menu Display Default Range Description Name SAFCapInType SAFCapInType is the signal input type for units with analog controlled fans . SAFCapMinSig 0 .0V 0 .0-20 .0 SAFCapMinSig is the minimum signal input corresponding to 0% fan capacity for units with analog controlled fans . V/mA SAFCapMaxSig 10 .0V...
Page 170 Flow MxChg is an adjustable item that sets the maximum value of increase or decrease of the supply fan speed each period used in the PI control function to vary the supply fan speed when airflow (CFM) supply fan control is selected. DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 171 ADvANCED OPERATION SAF BSP Control Table 93: Main Menu \ Advanced Menu \ SAF Set-Up \ SAF BSP Control Menu Display Default Range Description Name BSP Period 0-999s BSP Period is an adjustable item that sets the “sample time” used in the PI control function to vary the supply fan speed when building static pressure (BSP) supply fan control is selected .
Page 172 PI control function to vary the return or exhaust fan capacity when duct static pressure (DSP) RFEF control is selected . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 173 ADvANCED OPERATION RFEF Flow Control Table 98: Main Menu \ Advanced Menu \ RFEF Set-Up \ RFEF DSP Control Menu Display Default Range Description Name RFEF FlwPeriod 0-999s RFEF FlwPeriod is an adjustable item that sets the “sample time” used in the PI control function to vary the return or exhaust fan capacity when RFEF Flw Control is selected .
Page 174 Cooling state. The Effective Project Ahead Time is set equal to the Heating Project Ahead time when in the Heating State. It is set equal to zero under all other conditions, causing the projected Control Temperature to equal the actual control temperature . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 175 ADvANCED OPERATION HtgClg ChangOvr Set-up Table 102: Main Menu \ Advanced Menu \ Htg/Clg ChngOvr Set-Up Menu Display Default Range Description Name PA Ctrl Temp -83 .2-147 .0°F PA Ctrl Temp . ClgSptPeriod 0-999s ClgSptPeriod is an adjustable item which sets the “sampling time” used in the PI control function to vary the DAT Clg Spt in zone control applications .
Page 176 #1 and circuit 1 . The M1 auxiliary brings on the required condenser fans, liquid line solenoid valve and de- energizes the M1 compressor contactor . — Stage 2: The second stage of cooling is controlled by DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 177 (energized) when that circuit’s saturation temperature remains below 83 .0°F (250 psig) continuously for 60 seconds, Daikin Applied’s SpeedTrol head pressure control operates by the condenser fan is at minimum speed, and the OAT is less modulating the motor speed of all the condenser fans on their than, or equal to, 80 .0°F .
Page 178 A status only item which indicates the Discharge Temperature of Comp . 2 Refrigerant Circuit 2 . C2DRT4 -83-392°F A status only item which indicates the Discharge Temperature of Comp . 4 in Refrigerant Circuit 2 . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 179 ADvANCED OPERATION Menu Display Default Range Description Name C2DRT6 -83-392°F A status only item which indicates the Discharge Temperature of Comp . 6 in Refrigerant Circuit 2 . SRT1/2 -83-212°F SRT1 is a status only item that displays the current suction line refrigerant temperature .
Page 180 A status only item that displays the current Outdoor Air Fan1 Status Modbus status . No Comm C1,2,3 OAF2 Fault A status only item that displays the current Outdoor Air Fan2 Status Modbus status . No Comm DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 181 ADvANCED OPERATION Economizer and Outside Air Damper Building Pressure Override The minimum position determined by any method described below may be overridden for a variable speed return fan or exhaust fan controlled by building static pressure when the return fan speed is at minimum, or the exhaust fan has been stopped due to low building static pressure if the building pressure remains negative.
Page 182 PI control function for the OA Flow Damper Reset Control . Flow Mx Chg 0-100% Flow Mx Chg is an adjustable item that sets the maximum value for an increase or decrease of the Flow Reset Control Damper Position . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 183 ADvANCED OPERATION OA Damper Set-Up – Fan Diff Control Table 108: Main Menu \ Advanced Menu \ OA Damper Set-Up \ Fan Diff Control Menu Display Default Range Description Name Min Fan Diff 0-100% Min Fan Diff is an adjustable item which sets a differential between the discharge and return fan capacities above which the minimum allowable Min OA Pos= begins to be reset upwards from the Demand Control Ventilation Limit toward the Ventilation...
Page 184 PI control function used for the Reset Temperature Limit feature . RstT MaxChg 0-100% RstT MaxChg is an adjustable item that sets the maximum change value PI loop used for the Reset Temperature Limit feature . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 185 ADvANCED OPERATION Heating Gas Furnace Operation - Heating Set-Up Table 111: Main Menu \ Advanced Menu \ Heating Set-Up Menu Display Default Range Description Name Gas Stg Zero Adjustable setting which allows for the gas furnace to stage down to zero capacity when the control source temperature is below the heating set point and the discharge air temperature is above the heating DAT set point .
Page 186 SCR Suplmt Rht An adjustable input to enable SCR Electric Heat for reheat. RhtPeriod 0-999s RhtPeriod is an adjustable item which sets the “sampling time” used in the PI control function for controlling the reheat valve . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 187 ADvANCED OPERATION Menu Display Default Range Description Name Rht Gain 1 .0 0 .0-100 .0 Rht Gain is an adjustable item which sets the “Gain” used in the PI control function for controlling the reheat valve. LSC Lo Gain 0 .2 0 .0-100 .0 LSC Lo Gain is an adjustable item which sets the “Gain”...
Page 188 Description Name kWhAccumReset kWhAccumReset is an adjustable item that allows the user to reset the kWhAccumulated . AvgkWPeriod 60 .0min 0 .0-1440 .0 min AvgkWPeriod sets the period used to calculate the average kW . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 189 ADvANCED OPERATION A2L Sensors Table 115: Main Menu \ Advanced Menu \ A2L Sensors Menu Display Default Range Description Name A2L State= Init A status only item that displays the current A2L Senor Board Status . Fault Alarm Mitig Testing NoComm A2L Level Spt= 0 .0-100 .0 %...
Page 190 Unknown A status only item specifying Circuit 1 Discharge Refrigerant Temperature sensor type . NTC10K NTC50K NTC230K C2EffHiTSnsrCfg= Unknown A status only item specifying Circuit 2 Discharge Refrigerant Temperature sensor type . NTC10K NTC50K NTC230K DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 191 A2L Leak Detection System condition: Daikin Applied Rooftop units that use an A2L refrigerant have a Refrigerant Leak Detected factory installed leak detection system . 1 . When unit is enabled:...
Page 192 — Freeze-stat alarm is active (DOAS units only) . heating, cooling, humidifying, cleaning) with the following exceptions: — Supply fan minimum speed controls are overridden to prevent the fan from operating below a predetermined speed to maintain adequate airflow through the system DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 193 A2L DETECTION AND MITIgATION A2L Leak Detection Sensor and A2L Leak Detection Sensor and Board Service Board Troubleshooting and Diagnostics • The sensors are not considered “Limited Life Sensors” and therefore, under normal operation, are not expected to be At power up, the Leak Detection Control Board display shows replaced within the life expectancy of the unit .
Page 194 Sensor 2 Level 65535 Sensor 2 LFL reported value . For instance value = 200, then LFL is 20% . Sensor 2 State 65535 Sensor 2 current state . Value = 2, then state is "run" . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 195 A2L DETECTION AND MITIgATION Name Default Description Limit Limit Sensor 2 Faults 65535 Sensor 2 internal faults reported . For instance value = 0, then no faults . Sensor 2 -400 Sensor 2 Temperature reported value . For instance value = 250, Temperature then Temp = 25 C .
Page 196 Command to invoke sensor function reset, value = 1 then this Command command is invoked . Sen Func Reset Final result of the sensor reset function operation . Value = 0, the Result operation was successful . DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 197 APPENDIx Appendix Gas Furnace Controller Diagnostic Codes Modulating Gas Heat Controller (VB1285) Modbus Addresses The following Modbus points in the modulating gas heat control board will be mapped to the main control board to allow for control and monitoring . Table 120: Modulating Gas Heat Controller Addresses Modbus Addresses Functions...
Page 198 000 (0) No codes Code BrdFail (1) *** (1) Board failure Off (2) OFF (2) Start (3) *** (3) Startup sequence active IgnFail (4) A01 (4) Failed ignition attempt FlmLoss (5) A02 (5) Lost flame DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 199 APPENDIx Modbus Addresses Functions Modbus Ref Fnctn Modbus Ctlr Values Code Value Burner Status Diagnostic CombAir (6) A03 (6) Insufficient (Diagnostic/ Code combustion air Error Codes) LoFLmtd (7) A04 (7) Limited low fire WkFlmM (8) A05 (8) Weak flame signal main burner NA (9) A06 (9)
Page 200 • One or more ECM Supply Fans • One or more ECM Return/Exhaust Fans • Energy Recovery Wheel ECM • Gas heat Controller • Variable Capacity Compressor Control Boards Figure 33: Modbus Network Configuration DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 201 APPENDIx Data Snapshot Tables The following tables show the data snapshots that are taken at the time of an alarm or event . MCB = Main Control Board EM = Expansion Module . + = Denotes the 96UE version of the Expansion Module Table 121: Data Set 1-5 Data Set 1 Data Set 2...
Page 202 ‘Unit\C2EVI1Status’ ‘Unit\VCmp3CtrlCrdT’ ‘Unit\C2EVI2Status’ ‘Unit\Circuit1.OAFanCtrl.OAFanCtrl_ Var .TcMax’ ‘Unit\C2EVIOStatus’ ‘Unit\Circuit2.OAFanCtrl.OAFanCtrl_ Var .TcMax’ ‘Unit\C3EVI1Status’ ‘Unit\Circuit3.OAFanCtrl.OAFanCtrl_ Var .TcMax’ ‘Unit\C3EVI2Status’ ‘Unit\VCmp1 .VCmpOAFanCtrl . TcUnload ‘Unit\C3EVIOStatus’ ‘Unit\VCmp2 .VCmpOAFanCtrl . TcUnload ‘Unit\EHGBP1CapOut’ ‘Unit\VCmp3 .VCmpOAFanCtrl . TcUnload ‘Unit\EHGBP2CapOut’ ‘Unit\VCmp1PriAmps’ ‘Unit\RhtBldVlvOut’ ‘Unit\VCmp1SecAmps’ ‘Unit\VCmp2PriAmps’ ‘Unit\VCmp2SecAmps’ DAIKIN APPLIED MICROTECH UNIT CONTROLLER...
Page 203 (collectively “Owner”) that, subject to the exclusions set forth below Company, at its option, will repair or replace defective parts in the event any product manufactured by Company, including products sold under the brand name Daikin and used in the United States or Canada, proves defective in material or workmanship within twelve (12) months from initial startup or eighteen (18) months from the date shipped by Company, whichever occurs first.
Page 204 1 - 8 0 0 - 4 3 2 - 1 3 4 2 | 7 6 3 - 5 5 3 - 5 3 3 0 LEARN MORE AT DAIKINAPPLIED.COM PART NUMBER: OM 1373-1 © 2024 DAIKIN APPLIED | (800) 432.1342 | WWW.DAIKINAPPLIED.COM...

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