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OM 1263 • MICROTECH UNIT CONTROLLER 108 www .DaikinApplied .com

Appendix – Sample Wiring Diagrams: Rebel 3-15 Tons

Figure 32 continued: DPS005A, 208V with Gas Heat and Exhaust Fan

LABEL TO BE

SHIPPED LOOSE

AND APPLIED TO

INNER DOOR OF

McQUAY'S UNIT.

PLACE SOFTWARE

LABEL IN AREA

SHOWN ON LABEL.

DANGER/WARNING

LABELS TO BE SHIPPED

LOOSE AND PLACED

ON OUTSIDE OF UNIT

DOOR.

DANGER

WARNING/ ADVERTISSEMENT

Description:

Four Way Valve

Compressor 1 Inverter

Compressor 1 Inverter Electrical Noise Filter

Outdoor Fan 1 Inverter

Outdoor Fan 2 Inverter

Outdoor Fan Electrical Noise Filter

Actuator Motor, Heat Wheel

Actuator Motor, Economizer

Auxiliary High Limit

Crankcase Heater

Valve, Condenser Coil

Communication Module (BACnet, Lonworks, ...)

DIII-NET Communication Gateway

Temperature Sensor, Discharge Air

Defrost Temperature Sensor

Duct Hi-limit, Switch

Discharge Refrigerant Temperature Sensor

Disconnect Switch, Unit Power

Disconnect Switch, Supply Fan / Circuit 2

Disconnect Switch, Powered GFCI Receptacle

Ebtron Control Board

Expansion Valve Board

Expansion Valve Board Electrical Noise Filter

Indoor Expansion Valve

Outdoor Expansion Valve

Expansion Control Board

Fuse, Control Circuit Transformer (T1), Primary

Fuse, Control Circuit Transformer (T1), Secondary

Fuse, 460V 3-Phase Transformer (T4), Primary

Fuse, Powered GFCI Transformer (T6), Secondary

Ground Fault Relay

Heater Module

Hi-Limit Switch, Gas Heat

Hi-Pressure Switch, Refrigeration Circuits 1, 3

Interface Board

Interface Board Electrical Noise Filter

Indoor Refrigerant Temperature Sensor

Temperature Sensor, Leaving Coil

Compressor Line Reactor

Compressor 1 Electrical Noise Filter

Contactor, Compressor 3

Contactor, Constant Speed Recovery Wheel

Main Control Board

Mechanical Jumper

Manual Motor Protector, A4P Board

Manual Motor Protector, Supply Fan

Manual Motor Protector, Compressor 3

ID:

MMP51

MMP60

MPB1

OAE

OAER

OAT

OF1F

OF2F

ORT

PB1

PB2

PB1F

PC5

PC7

PTD

PTS

PVM1

R63

RAE

RAT

R-CCH1

REC1

RES3,4

RHB1

R-HP1

RHV1

SD1/SD2

SHS1

SPD

SPS1

SPS2

SRT

SVB

SVR

T12

T1F

T2A,B

TB1

TB2

TB8

VFD60

ID:

4WV

A4P

A4PF

A5P

A5P+

A5PF

ACT12

ACT3

AHL

CCH

CHV1

Comm Mod.

DAT

DFT

DHL

DRT1,3

DS1

DS2

DS6

ECB1

EVB

EVBF

EVI

EVO

EXPB,D

F1A,B

F1C,D

F4A,B,C

F6C

GFR1

HEAT1

HP1,3

IFB

IFBF

IRT

LCT

LR1

M1F

M60

MCB

MMP1

MMP10

MMP3

Description:

Manual Motor Protector, Exhaust Fan

Manual Motor Protector, Energy Recovery Wheel

Contactor, Circuit 1 Dual Supply

Enthalpy Sensor, Outside Air

Relay, Outside Air Enthalpy

Temperature Sensor, Outside Air

Outdoor Fan Electrical Noise Filter 1

Outdoor Fan Electrical Noise Filter 2

Outdoor Refrigerant Temperature Sensor

Power Block, Power Distribution

Power Block 2,Circuit 2 Dual Supply

Power Block Electrical Noise Filter

Pressure Control, Dirty Filter Switch

Pressure Control, Proof Airflow Switch

Discharge Refrigerant Pressure Sensor

Suction Refrigerant Pressure Sensor

Phase Voltage Monitor

Relay, Duct High Limit Switch

Enthalpy Sensor, Return Air

Temperature Sensor, Return Air

Crankcase Heater Relay

Receptacle, GFCI

Resistor

Reheat Board, Hot Gas

High Pressure Compressor 1 Relay

Valve, Reheat Coil

Smoke Detector, Supply Air/Return Air

Space Humidity Sensor

Surge Protective Device

Static Pressure Sensor, Duct

Static Pressure Sensor, Building

Suction Refrigerant Temperature Sensor

Refrigerant Bypass Solenoid Valve

Refrigerant Receiver Solenoid Valve

Transformer, Main Control

575/460V Primary Power Transformer

Main Transformer Electrical Noise Filter

Transformer, Control Input (115/24VAC)

Transformer, 230V Single Phase (460/397VAC)

Transformer, Powered GFCI Receptacle (Line/115VAC)

Transformer, Reheat Control Board (115/24VAC)

Terminal Block, Internal Power Distribution

Terminal Block, Field -24V

Terminal Block, Internal Signal Distribution

Variable Frequency Drive, Energy Recovery Wheel

MCB aligned with wireway mounting hole

FOR HIGH VOLTAGE WIRING

DO NOT RUN HIGH VOLTAGE

WIRES INSIDE WIRE TRACK

Field Wiring

Factory Wiring

Field Terminal

Factory Terminal

Plug Connection

TB6

DS1

EXPD

GLG1

GND2

CHK 1

IFB

24V

ACS1

ACS2

ACS3

odbus

MCB

MMP1

MMP10

GND10

MMP51

BUSBAR

GND51

PB1

PC5

PVM1

RECEPTACLE TO

BE SHIPPED LOOSE

REC1

R-CCH1

R-HP1

SPD1

F1A
F1B
F1C

T2A

LINE

LOAD

T2B

LINE

LOAD

TB1

TB8

GFR1

NOTE:

Only wire to bottom of TB2,

top is for customer connection.

&D#10.TRILOB

TB2

T2C

Top View Mounted on

the side of the

transformer panel

Содержание MicroTech III DPS

Страница 1: ...Installation and Maintenance Manual OM 1263 Group Applied Air Systems Part Number OM 1263 Date June 2018 MicroTech III Unit Controller for Rebel Refrigeration Only Controls Model DPS ...

Страница 2: ...lt 38 Alarms 39 About this Unit 39 Alarms 39 Alarm Clearing 40 Problems 40 Compressor Protection 44 Operator s Guide 47 Determining Unit State 47 Off Operating State 47 Start Up Operating State 48 Heating 48 Mechanical Cooling 48 Off to Prestart Pressure Equalization 48 Prestart Pressure Equalization to Off 48 Prestart Pressure Equalization to Initialization 48 Initialization to Normal 48 Initiali...

Страница 3: ... Temperature Characteristics 85 ERROR CODE L5 Momentary Overcurrent of Inverter Compressor 86 ERROR CODE L8 Momentary Overcurrent of Inverter Compressor 88 ERROR CODE L9 Inverter Compressor Starting Failure 90 ERROR CODE P1 Inverter Over Ripple Protection 92 ERROR CODE P4 Malfunction of Inverter Radiating Fin Temperature Rise Sensor 94 Thermistor Resistance Temperature Characteristics 96 ERROR COD...

Страница 4: ...onse If the system takes excessively long to reach setpoint during transient conditions sluggish the Gain can be increased to speed the control response The goal is an acceptable balance between these two conditions When in doubt these parameters should be set to the factory settings Additional Instructions and Information For installation and startup instructions and general information regarding...

Страница 5: ... cables circuit board terminal blocks relay modules or power plugs while power is applied to the panel Getting Started This manual contains information designed to assist the field technician with unit setup The technician will need to be familiar with the following topics at a minimum to successfully set up unit operation Keypad Navigation Editing Passwords Control Mode Heat Cool Changeover Compr...

Страница 6: ...hese boards are interconnected forming the ACS1 communication loop On 208 230V units the A4P board controls both INV and OF1 On 460 575V units the A4P board controls only INV and there is a separate A5P board that controls OF1 If a unit is equipped with an OF2 it is controlled by a separate A5P control board Figure 3 shows the three possible board loop arrangements that make up the ACS1 loop Expan...

Страница 7: ...p line meaning pushing the navigation wheel will cause a jump to a new page An arrow is displayed to the far right of the line to indicate it is a jump line and the entire line is highlighted when the cursor is on that line The keypad display Information is organized into Menu groups Main Menu Quick Menu View Set Unit Menu Commission Unit Menu Manual Control Menu Service Menu Unit Configuration Me...

Страница 8: ... pressed multiple times or if the keypad display has been idle longer than the Password Timeout default 10 minutes The main password page provides access to enter a password access the Quick Menu view the current Unit State access the alarm lists or view information about the unit Figure 5 Password Main Page The password field initially has a value where each represents an adjustable field These v...

Страница 9: ...nting to a line containing an editable field Once in the edit mode pressing the wheel again causes the editable field to be highlighted Turning the wheel clockwise while the editable field is highlighted causes the value to be increased Turning the wheel counter clockwise while the editable field is highlighted causes the value to be decreased The faster the wheel is turned the faster the value is...

Страница 10: ...tenance Unit Configuration Alarm Lists About This Unit See page 17 17 Quick Menu System Mode Local Heat Cool In Heat Cool CmpIntrLock Dehum Status ________ Clg Capacity XXX OAD Econ Cap XXX Htg Capacity XXX Reheat Cap XXX SAF Speed XXX RF EF Cap XXX OA Temp XXX F See page 39 About This Unit SO_Item 123456_12345 Unit SN FBOU123456789 App Version 2506017xxx Cf1 15 xxxxxxxxxxxxxxxx Cf6 29 xxxxxxxxxxx...

Страница 11: ... Type DPS DAH 3 Control Type RefOnly 3 Clg Type INV 4 Comp Config 1V1F1C M Gen Clg Stgs NA Low Ambient NA 0 Cond Ctrl INV 8 OA Dmpr Econ AirEc 3 OA Flow Stn None 0 Htg Type None 0 Htg Stages 1 Max Heat Rise 100 SAF Type EBMVAV F RAF Type None 0 RF EF Ctrl NA 0 2ndDSPSnsr NA 0 EFT LCT Snsr NA 0 Enrgy Rec None 0 Clg Circ Type 1Air 2 Head P Ctrl NA 0 Bypass Ctrl NA 0 Unit Size 012 Refrig Type R410A 2...

Страница 12: ...ool CmpIntrLock _________ CmpCapIn ___________ SAFSSIn ____________ SAFCapIn ___________ EAFSSIn ____________ EAFCapIn ___________ RhtVlvIn ____________ OADCapIn ___________ AlmResetIn __________ Dehum Status ________ Clg Status ___________ Htg Status ___________ SuplHtgStatus ________ Econo Status _________ Clg Capacity XXX Htg Capacity XXX Supl Htg Cap XXX Reheat Cap XXX SAF Speed XXX RF EF Cap ...

Страница 13: ...lve _________ 1 2 1 2 See the expansion information on page 16 See page 26 OA Fan Set Up OA FAN STATUS OA Fan1 Spd XXX OA Fan1 Cmd XXX OA Fan1Amps XX XA Fault Code Details OA Fan2 Spd XXX OA Fan2 Cmd XXX OA Fan2Amps XX XA Fault Code Details REFRIG CIRCUIT STATUS PTS XXX Xpsi PTD XXX Xpsi Disch Sat Tmp XXX X F EffDshSatTSpt XXX X F OA Temp XXX F INV Fin Temp XXX F OA FAN SET UP OA Fan Period 25s OA...

Страница 14: ...O Status MCB X1 XXXXXXXX MCB X2 XXXXXXXX MCB X3 XXXXXXXX MCB X4 XXXXXXXX MCB X5 XXXXXXXX MCB X6 XXXXXXXX MCB X7 XXXXXXXX MCB X8 XXXXXXXX EMD X1 XXXXXXXX EMD X2 XXXXXXXX EMD X3 XXXXXXXX EMD X4 XXXXXXXX EMD X5 XXXXXXXX EMD X6 XXXXXXXX EMD X7 XXXXXXXX EMD X8 XXXXXXXX See page 34 Digital Input Status MCB DI1 XXXXXXXX MCB DI2 XXXXXXXX MCB DI3 XXXXXXXX MCB DI4 XXXXXXXX MCB DI5 XXXXXXXX MCB DI6 XXXXXXXX ...

Страница 15: ...o EVENT CONFIG Show Events Yes EventLogToSD No SNAPSHOT CONFIG EnaSnapshots Yes Show Snapshots Yes SnapshotsToSD No 4 See page 35 Modbus Status SF MB Status XXXXXXX RF EF MB Status XXXX OF MB Status XXXXXX IFB MB Status XXXXXX VCmp MB Status XXXX MB Resistance Yes ECM Config Done See page 39 HMI Set Up Contrast 0 BackLight Clr White PBusPwrSply On See page 35 Sensor Offsets OA Temp 0 0ºF DRT1 0 0º...

Страница 16: ...int 27 HDRT1 Point 28 HDRT3 Point 29 OilSts Point 30 OilMng 1 2 3 4 See page 42 IFB Comm Status IFB SW Vers VP0329008 IFBCommStatus ____ PrvCommStatus _______ MM DD YYYY HH MM SS ACS1 DataRcvd _______ ACS3 DataRcvd _______ See page 100 Fault Code Details ACTIVE FAULT CODES INVAlarmCode ______ Code Text OF1AlarmCode _______ Code Text OF2AlarmCode _______ Code Text PREVIOUS FAULT CODES PrvINVAlmCode...

Страница 17: ...e on heatpump units to determine DX cooling or heatpump operation CmpInterLock is an adjustable input safety that can be used to prevent compressor operation based on external system safeties Dehum Status is a status only item which indicates the status of operation of the dehumidifier The dehumidifier can be active or inactive Clg Capacity is a status only item which indicates the percentage of t...

Страница 18: ...Table 3 Unit Status Settings Item Display Name Default Setting Range Password Level System Mode Local Local 6 Remote Heat Cool In Heat Cool Heat 6 Cool CmpIntrLock Open 6 Closed CmpCapIn 0 100 6 SAFSSIn Off 6 On SAFCapIn 0 100 6 EAFSSIn Off 6 On EAFCapIn 0 100 6 RhtVlvIn 0 100 6 OADCapIn 0 100 6 AlmResetIn Normal 6 Clear Dehum Status Inactive 6 Active Clg Status Enabled 6 NA OffAmb OffAlarm NA NA ...

Страница 19: ...an reset applicable refrigeration alarms Dehum Status is a status only item which indicates the status of operation of the dehumidifier The dehumidifier can be active or inactive Clg Status is a status only item which indicates whether or not mechanical cooling is currently allowed If cooling is disabled the reason is indicated Htg Status is a status only item which indicates whether or not heatin...

Страница 20: ...displays the current indoor refrigerant temperature sensor reading ORT Heat Pump only is a status only item which displays the current outdoor refrigerant temperature sensor reading INVCompTemp 15 ton unit size only is a status only item which displays the current inverter compressor body temperature sensor reading Flow Status Menu Table 5 Flow Status Menu Item Display Name Default Setting Range P...

Страница 21: ...an adjustable item that sets the current time Date is an adjustable item that sets the current date UTC Diff It is an adjustable parameter that can be set to indicate how the local time where the unit is situated differs from the Coordinated Universal Time UTC DLS Strt Mon is the adjustable item to select the month that daylight savings locally begins DLS Strt Wk is the adjustable item to select t...

Страница 22: ...et a minimum time period between compressor stage changes OffHtClDelay is an adjustable item that sets a delay in turning OFF the supply air fan when the unit is shut OFF while cooling or heating operation is active SAF Set up See page 22 for more information Table 11 Supply Fan Speed Menu Item Display Name Default Setting Range Password Level MaxVentSpd 100 0 100 N A Max SAF RPM 2600 0 5000 2 Max...

Страница 23: ...an failure codes on page 98 MaxVentSpd is an adjustable item that sets the exhaust fan speed when an external ventilation override input to the exhaust fan is present Max RFEF RPM is an adjustable item that sets the maximum RPM value for the exhaust air fan NOTE This is set based on the exhaust fan model size Max RF EF Hz is an adjustable item to allow the maximum fan speed based on space design c...

Страница 24: ...sink Tmp 50 0 200 0 F 2 Refrig Circuit Status PTD 0 5000kPa 4 PTS 0 5000kPa 4 4 WayValve Cool 2 Heat RcvrSol Valve Closed 2 Open BP Sol Valve Closed 2 Open Item Display Name Default Setting Range Password Level Compressor Setup Clg Stg Time 5min 3 60min 4 Clg Lo OAT Lk 55 F RTU SCU 0 100 F 4 0 F MPS 25 F DPS Clg OAT Diff 2 F 0 10 F 4 Htg Lo OAT Lk 0 F 20 50 F 4 45 F 100 OA w o ER Htg Hi OAT Lk 55 ...

Страница 25: ... the low and high side refrigerant pressures Clg Stg Time is an adjustable item used to set a minimum time period between compressor stage changes Clg Lo OAT Lk is an adjustable item which sets the low outdoor air temperature mechanical cooling lockout point Mechanical cooling operation is disabled when the outdoor air temperature sensor input falls below this set point Clg OAT Diff is a status on...

Страница 26: ...ent discharge refrigerant line pressure sensor reading PTS is a status only item which displays the current suction refrigerant line pressure sensor reading Disch Sat Tmp is a status only item which displays the current discharge pressure equivalent saturation temperature EffDshSatTSpt is a status only item which displays the effective discharge saturation temperature set point used to control the...

Страница 27: ...or reading Suction SH is a status only item which displays the current suction superheat value based on suction temperature minus saturated suction pressure Discharge SH is a status only item that indicates the current discharge superheat value based on discharge refrigerant temperature minus the discharge saturation temperature Subcooling Heat Pump only is a status only item which displays the cu...

Страница 28: ...y state sub cooling reset control during heat pump heating operation Clg EVO Method Heat Pump only is an adjustable item that sets the method of control of the outdoor expansion valve EVO during cooling operation If set to STD EVO is driven continuously to 100 open during cooling operation If set to Sbc then EVO is control to maintain the Eff SC Spt during cooling operation OC SC Spt is an adjusta...

Страница 29: ... the last defrost cycle before defrost operation can be initiated MaxFrostTm Heat Pump only is an adjustable item that defines the maximum time during periods of potential coil frosting that can accumulated without initiating a defrost cycle Defrost Temp Heat Pump only is a status only item which displays the effective temperature value the defrost temperature input must fall below before defrost ...

Страница 30: ... Config EnaSnapshots Yes No 2 Yes Show Snapshots Yes No 2 Yes SnapshotsToSD No No 2 SI English Sens Alm Dly is an adjustable item used to set the sensor alarm delay time Temp Alm Dly is an adjustable item used to set the temperature alarm delay time AlmLogToSD is a cselectable option to determine if alarms are to be stored on the local SD card Show Events is a location to see the events that have ...

Страница 31: ...p3 is an adjustable item used to turn the fixed speed compressor ON and OFF Note that the fixed speed compressor cannot be manually turned on unless the SAF Spd Cmd is first set to at least 33 OA Fan is an adjustable item used to turn the outdoor fan s ON and OFF OA Fan Cmd is an adjustable item that sets the speed of the outdoor fan s Note that once the INV Comp or Comp3 output is turned ON the o...

Страница 32: ... and configuration from an SD card NOTE The controller will automatically perform a reset when the value of Load From Card is changed from No to Yes and the enter button is pushed Operating Hours The Operating Hours menu gives a summary of the hours of operation for each of the supply fans return exhaust fans compressors heating and economizer operation Table 20 Operating Hours Menu Item Display N...

Страница 33: ...able 22 Alarm Log Menu Item Display Name Default Setting Range Password Level Log Alm Count 0 50 None ClrLog No No None Yes Alarm 1 Alarm Type None Alarm 2 Alarm Type None Once an alarm is cleared there will be two entries in the Alarm Log A sign will be shown next to the entry added when the alarm became active and a sign will be shown next to the entry added when the alarm has been cleared Alarm...

Страница 34: ... 9999999 2 EMD X7 0 9999999 2 EMD X8 0 9999999 2 Digital Input Status Menu The Digital Input Status Menu provides diagnostic information to qualified service personnel The items listed in this menu will provide current status information of the controller s digital inputs Table 25 Digital Input Status Menu Item Display Name Default Setting Range Password Level MCB DI1 Off Off On 2 MCB DI2 Off Off ...

Страница 35: ...tatus of the Modbus communications between the main controller and the return exhaust fan motor OF MB Status is a status only point to indicate if the compressor is properly communicating with the controller via Modbus IFB MB Status VCmp MB Status is a status only point to indicate if the compressor is properly communicating with the controller via Modbus MB Resistance is an adjustable item used t...

Страница 36: ...ured at the factory however may also be configured in the field by accessing the Unit Configuration Menu Once changes have been made to the Unit Configuration Menu the Apply Changes flag must be changed from no to yes in order for the controller to recognize the changes Setting the Apply Changes flag to yes will automatically rest the controller Table 29 Unit Configuration Menu Configuration Code ...

Страница 37: ... 1 Yes 20 Energy Recovery 0 None 1 ConstSpdWh NoRH 2 VarSpdWhl Danfoss 3 VarSpdWhl MD2 NA 4 VarSpdWhl MD3 NA 5 VarSpdWhl ABB 6 ConstSpdWhl wRH 21 Cooling Circuit Type 0 Individual NA 1 2 3 or 4 Circ Water Condenser NA 2 2 Circ Air Condesner 22 Head Pressure Control 0 No 1 Yes NA 23 Bypass Valve Control 0 Slave 1 Bypass NA 24 25 26 Unit Size Three Digits Default 050 27 Refrigerant Type 0 R22 NA 1 R...

Страница 38: ... board trending function AutoExpTime is the length of time a trend is to be captured Export Data is an adjustable item which initiates a manual export of the current on board trend data to an SD card Clear Trend is an adjustable item used to either clear only the current trend data or the entire trend configuration TrendFull is a writable input that allows the user to define once the trend is reco...

Страница 39: ...of firmware in the D Net communication module connected to the main controller HMI GUID is the HMI software identifier number unique to each application code version OBH GUID is the OBH software identifier number unique to each application code version Alarms Alarms provide the user with information about abnormal conditions that affect unit operation The cause of the alarm should be investigated ...

Страница 40: ...arm occurs when the IRT sensor input is outside the range of 4 F to 150 F continuously for the Sensor Alarm Delay default 30 seconds When this alarm is active compressor heating operation is disabled if HtgEVIMethod is set to Sbc Otherwise not action is taken The alarm must be manually cleared once corrective action is taken Outdoor Refrigerant Temperature Sensor Problem Heat Pump only ORT Sensor ...

Страница 41: ...en compressor operation is forced to the Standby state due to an outdoor fan internal fault for a third time in a 30 minute period On a two outdoor fan unit this alarm occurs when compressor operation is forced to the Standby state due an outdoor fan 2 internal fault for a third time in a 30 minute period Note that outdoor fan 2 in this configuration provides critical cooling for the inverter outd...

Страница 42: ...Refrigerant Pressure Problem Hi Press 1 Problem This alarm occurs when either the Cooling High Pressure Unloading or the Heating High Pressure unloading function has forced compressor operation to the Standby state for a third time in a 30 minute period This alarm also occurs if either of the mechanical high pressure switches HP1 or HP3 open When this alarm is active compressor cooling and heating...

Страница 43: ...g is false for 15 minutes Or when compressor state transisitons from alternate initialization to normal and 4 way valve flag is false When this alarm is active compressor cooling and heating operaiton is disabled The alarm must be manually cleared once corrective action is taken Protection Interlock Problem Protection Interlock Problem This alarm occures when the following are true for 90 seconds ...

Страница 44: ...tive this limiting function remains active until the discharge pressure falls back below 469 psi Cooling Low Pressure Unloading Control Normal compressor operation is limited during cooling operation when low suction pressure conditions occur When the suction pressure falls below 50 psi the inverter compressor capacity is held at its current valve and the bypass solenoid valve SVB is opened in an ...

Страница 45: ...o rise above 275 F or above 248 F continuously for 10 minutes or Tp rises above 302 F compressor operation is forced to the Standby state where it remains for a stage time period before being allowed to restart If the unit is forced to Standby in this manner 3 times in a 100 minute period a high inverter discharge line temperature alarm is generated requiring manual reset Once active this limiting...

Страница 46: ...eased by one step then increased a further step every 40 seconds in an attempt to increase the differential pressure If the inverter compressor is at maximum speed for 40 seconds and the differential pressure is still below 85 psi compressor operation is forced to the Standby state where it remains for a stage time period before being allowed to restart If the unit is forced to Standby in this man...

Страница 47: ...ection page 20 The outdoor dampers remain closed A separate morning warm up state is not provided but an edited ZeroOATime is used to keep the outside air damper closed when the unit first starts The Minimum OA Position is set to zero as long as the as the fan has been on for less than the ZeroOATime DAT Control units have a MWU set point available The Minimum OA Position is set to zero as long as...

Страница 48: ...d for by the third party controller Figure 14 Cooling State Diagram Off to Prestart Pressure Equalization The Compressor Cooling State transitions from OFF to Prestart Pressure Equalization when the unit enters the Cooling operating state becomes active Prestart Pressure Equalization to Off The Compressor Cooling State transitions from Prestart Pressure Equalization to OFF if there is no longer a ...

Страница 49: ...mp Units Only Refrigerant Receiver Solenoid Valve SVR Heat Pump Units Only Refrigerant Discharge to Suction Bypass Solenoid Valve SVB Indoor Coil Expansion Valve EVI Outdoor Coil Expansion Valve EVO Heat Pump Units Only Control of these devices is described in the following sections Input Devices PTS suction refrigerant pressure MicroTech III AI PTD discharge refrigerant pressure MicroTech III AI ...

Страница 50: ...a fixed speed compressor special transition steps are taken when starting and stopping the fixed speed compressor These steps are as follows Starting the Fixed Speed Compressor Whenever the inverter compressor can not maintain sufficiently cold discharge air temperature at maximum speed and timers are satisfied the following fixed speed compressor stage up sequence occurs Inverter Compressor speed...

Страница 51: ...mally used Table 34 Standard Initialization Sequence 3 15 Tons Device Step 1 Step 2 Step 3 Step 4 Inverter Compressor Comp3 Inverter Compressor Speed Minimum Comp3 Off Inverter Compressor Speed Smaller of Step 12 or Maximum Comp3 Off A Inverter Compressor Only Inverter Compressor Speed Minimum If OAT 50 F or RAT 73 F Inverter Compressor Speed Smaller of Step 12 or Maximum If OAT 50 F or RAT 73 F I...

Страница 52: ...Valve EVI C Time Duration 5 Seconds 5 Seconds E 25 28 Ton size D 5 Seconds 25 28 Ton size A Inverter compressor speed is increasing until the 4 way valve is seated discharge minus suction pressure is 57 psi and as long as the suction pressure is above 43 psi Comp3 remains OFF B Outdoor fan capacity is controlled to maintain the discharge pressure between 256 psi and 313 psi Outdoor fan capacity is...

Страница 53: ...suction pressure is above 43 psi inverter compressor speed is also increased if the suction pressure remains above 71 psi Comp 3 turns on if the inverter compressor speed is at maximum and these conditions are not met Comp 3 is turned back OFF after 20 seconds if the suction pressure drops below 43 psi B Outdoor fan capacity is controlled to maintain the discharge pressure between 171 psi and 221 ...

Страница 54: ...43 psi Inverter compressor speed is increased if the suction pressure remains above 71 psi Comp3 turns ON if the inverter compressor speed is at maximum and these conditions are not met Comp3 is turned back OFF afer 20 seconds if the suction pressure is below 43 psi B Outdoor fan capacity is controlled to maintain the discharge pressure between 171 psi and 221 psi Outdoor fan capacity is set to 10...

Страница 55: ...oor coil subcooling temperature set point Normal Cooling Outdoor Fan OA Fan PI_Loop Control One or two outdoor fans are controlled via Modbus connections to the Inverter Compressor Board via the IFB communication board The outdoor fan control PI_Loop is active only during the Normal Cooling and Cooling Pumpdown operating states and the loop maintains the discharge saturation temperature at the set...

Страница 56: ...if the inverter compressor discharge line temperature is above 230 F the inverter compressor port temperature is above 257 F or the discharge pressure is above 427 psi B The inverter compressor speed is at minimum the outdoor expansion valve is open 50 open SVR closed SVB open and indoor expansion valve closed Pumpdown is normally complete when the suction pressure drops below 36 psi Pumpdown is t...

Страница 57: ...which indicates whether or not the primary source of heating in the unit is currently allowed On heat pump units this is the compressor heating The following are descriptions of the heating status states Enabled In the heat pump compressor heating is enabled if all of the following are true Control Mode is not set via the keypad to fan only or cool only Control Mode is set via the keypad to auto a...

Страница 58: ...and heating operation is disabled Cooling Status and Heating Status are Off Net Auto When the Net App Mode is set to Auto heating and cooling operation are allowed to operate as required to maintain the heating and cooling set points OAT Lockout On heat pump units compressor heating primary heat is disabled whenever the outdoor air temperature is below the Low Outdoor Air Ambient Heating Lockout s...

Страница 59: ...mal operation is for the compressor heating to turn ON first and ramp to full capacity before turning on any supplemental heating Once the compressor heating is at full capacity the supplemental heating will then ramp up and down as necessary to satisfy the load There will however be instances when heating is required and compressor heating is unavailable in which case the supplemental heating mus...

Страница 60: ...ssor Heating State Descriptions on page 61 Initialization to Pumpdown The Compressor Heating State transitions from Initialization to Pumpdown if there is no longer a call for MinDAT or Heating operation Initialization to Standby for Restart The Compressor Heating State transitions from Initialization to Standby for Restart if one of the Compressor Protection functions force a transition to Standb...

Страница 61: ...ization Sequence is used Table 41 Standard Initialization Sequence 3 15 Tons Device Step 1 Step 2 Step 3 Step 4 Inverter Compressor Comp3 Inverter Compressor Speed Minimum Comp3 Off Inverter Compressor Speed Smaller of Step 12 or Maximum Comp3 Off A Inverter Compressor Only Inverter Compressor Speed Minimum If OAT 59 F Inverter Compressor Speed Smaller of Step 12 or Maximum If OAT 59 F Inverter Co...

Страница 62: ...ON Outdoor Coil Expansion Valve EVO Heat Pump only EVO 0 A Time Duration 10 Seconds 5 Seconds C B A The outdoor expansion valve is to keep the suction superheat between 3 6 F and 12 F B Standard initialization lasts a maximum of 600 seconds It is completed early anywhere between 10 and 600 seconds if discharge pressure is high above 384 psi or the 4 way valve has been seated for 60 seconds differe...

Страница 63: ...ion pressure is above 43 psi inverter compressor speed is also increased if the suction pressure remains above 71 psi Comp 3 turns on if the inverter compressor speed is at maximum and these conditions are not met Comp 3 is turned back OFF after 20 seconds if the suction pressure drops below 43 psi B Outdoor fan capacity is controlled to maintain the discharge pressure between 171 psi and 221 psi ...

Страница 64: ...Heat Pump only B Time Duration 5 Seconds 5 Seconds C A Inverter compressor speed is increased until the 4 way valve is seated discharge minus suction pressure 57 psi and as long as discharge presure is below 221 psi Inverter compressor speed is also increased if the discharge pressure remains below 171 psi Comp3 turns on if the inverter compresor speed is at maximum and those conditions are not me...

Страница 65: ... DAT Setpoint Comp 3 Turned On when Inverter Compressor at Maximum Comp 3 Turned Off when Inverter Compressor at Minimum Outdoor Fan A 4 Way Valve HeatPump ON Outdoor Coil Expansion Valve EVO HeatPump EVO Controlled With PI Loop to maintain Suction Superheat Setpoint SVR HeatPump Closed SVB SVB is normally closed during the Normal Heating state except in the following cases SVB is opened for one s...

Страница 66: ...r when the suction pressure drops below 34 psi Pumpdown is terminated if either the discharge superheat rises above 230 F or if the Inverter Compressor port temperature rises above 284 F Standby for Restart The Standby for Restart state guarantees at least one Htg Stg Time period elapses before re entering the Intializaton and Normal Heating states The following describes the Standby for Restart s...

Страница 67: ... below a defrost temperature value Tdef and the saturated discharge temperature is below 109 F continuously for 3 minutes The Tdef value is adjusted automatically between 14 F and 13 0 F based on outdoor air temperature This value is not directly adjustable but can be biased by setting the Tdef Adj parameter Default 0 F between 3 6 F and 3 6 F Note To improve performance the Tdef value is also aut...

Страница 68: ...d valve that is used to direct the refrigerant to the receiver while switching the valve during the defrost cycle The SVR valve is closed most of the time but is opened at certain points in the defrost cycle and in the Pumpdown and Standby for Restart compressor operating states Bypass Solenoid Valve Control SVB DPS units include a bypass solenoid valve that opens when necessary to bypass refriger...

Страница 69: ...al Out of Step L8 Elec Therm Surge Electrical Thermal Surge L8 Time Lag Ovr Current Time Lag Over Current L9 Stall Prevent Strt Startup Prevention Startup P1 Pwr Sup Imbalance Power Supply Imbalance P4 Fin Temp Sensor Alm Fin Temperature Sensor Alarm PJ Model Setup Problem Model Setup Problem U2 Phase Pwr Loss Phase Power Loss U2 PN Short Circuit Alm PN Electrical Short Circuit Alarm U2 Pwr Sup In...

Страница 70: ...initially been established Since a break anywhere in the communication current loop will result in an ACS1Err described below this indicator generally suggests a defect in both the A4P and A5P boards INVErr Communication between the A4P board controlling inverter compressor INV and the ACS1 communication loop has been interrupted for 20 seconds after communication had initially been established If...

Страница 71: ...a defect in the board controlling OF2 A5P INVF1Err IFB did not receive initial confirmation data from the INV or OF1 on the ACS1 communication channel This generally indicates a defect in both the boards controlling INV A4P and OF1 A4P or A5P F1Err IFB did not receive initial confirmation data from the OF1 on the ACS1 communication channel This generally indicates a defect in the board controlling...

Страница 72: ...OM 1263 MICROTECH UNIT CONTROLLER 72 www DaikinApplied com Troubleshooting Figure 18 Unit will not Start with Compressor Cooling ...

Страница 73: ...Troubleshooting www DaikinApplied com 73 OM 1263 MICROTECH UNIT CONTROLLER Figure 19 Unit will not Heat with Compressor Heating ...

Страница 74: ... three core wire to check that the values are balanced and there is no short circuiting while connector or relay connector is disconnected CHECK 2 1 Turn OFF the power supply 2 Measure the resistance between Vcc and each phase of U V W and GND and each phase at the motor side connectors five core wire to check that the values are balanced within the range of 20 while connector or relay connector i...

Страница 75: ...Troubleshooting www DaikinApplied com 75 OM 1263 MICROTECH UNIT CONTROLLER CHECK 3 Power Resistor Check ...

Страница 76: ...rom UVW line connected between the inverter and compressor and the malfunction is detected when any abnormality is observed in the phase current waveform Malfunction Decision Condition This malfunction will be output when the inverter compressor motor does not start up even in forced startup mode Supposed Causes Inverter compressor lock High differential pressure 72 5psi or more Incorrect UVW wiri...

Страница 77: ...Troubleshooting www DaikinApplied com 77 OM 1263 MICROTECH UNIT CONTROLLER Figure 20 E5 Inverter Compressor Motor Lock Check 3 See page 75 ...

Страница 78: ...by hole IC during the fan motor operation Malfunction Decision Condition Overcurrent is detected for INVERTER PC board A2P or fan INVERTER PC board A5P System down is caused by 4 times of detection In the condition of fan motor rotation the number of rotation is below the fixed number for more than 6 seconds System down is caused by 4 times of detection Supposed Causes Failure of fan motor Defect ...

Страница 79: ...oubleshooting www DaikinApplied com 79 OM 1263 MICROTECH UNIT CONTROLLER Figure 21 E7 Malfunction of Outdoor Unit Fan Motor Referring to the information on page 74 Referring to the information on page 74 ...

Страница 80: ...lfunction Detection Detection of abnormal signal from fan motor Malfunction Decision Condition In case of detection of abnormal signal at starting fan motor Supposed Causes Abnormal fan motor signal circuit malfunction Broken short or disconnection connector of fan motor connection cable Fan Inverter PC board malfunction A2P Perform Check 1 and Check 2 on page 74 ...

Страница 81: ...rrent value during waveform output before starting compressor Malfunction is detected based on the value from current sensor during synchronous operation when starting the unit Malfunction Decision Condition Overcurrent OCP flows during waveform output Malfunction of current sensor during synchronous operation IPM failure Supposed Causes Inverter PC board A2P IPM failure Current sensor failure Dri...

Страница 82: ...OM 1263 MICROTECH UNIT CONTROLLER 82 www DaikinApplied com Troubleshooting Figure 22 L1 Defective Inverter PC Board Check 3 Check 3 Check 3 See page 75 for Check 3 information ...

Страница 83: ...mote Controller Display L4 Method of Malfunction Detection Fin temperature is detected by the thermistor of the radiation fin Malfunction Decision Condition When the temperature of the inverter radiation fin increases above 188 6 F Supposed Causes Actuation of fin thermal Actuates above 188 6 F Defect of inverter PC board Defect of fin thermistor ...

Страница 84: ...OM 1263 MICROTECH UNIT CONTROLLER 84 www DaikinApplied com Troubleshooting Figure 23 L4 Malfunction of Inverter Radiating Fin Temperature Rise ...

Страница 85: ...Troubleshooting www DaikinApplied com 85 OM 1263 MICROTECH UNIT CONTROLLER Figure 24 L4 Malfunction of Inverter Radiating Fin Temperature Rise Thermistor Resistance Temperature Characteristics ...

Страница 86: ...lfunction Detection Malfunction is detected from current flowing in the power transistor Malfunction Decision Condition When an excessive current flows in the power transistor Instantaneous overcurrent also causes activation Supposed Causes Defect of compressor coil disconnected defective insulation Compressor start up malfunction mechanical lock Defect of inverter PC board ...

Страница 87: ...Troubleshooting www DaikinApplied com 87 OM 1263 MICROTECH UNIT CONTROLLER Figure 25 L5 Momentary Overcurrent of Inverter Compressor Check 3 Check 3 See page 75 ...

Страница 88: ...tion Decision Condition When overload in the compressor is detected Inverter secondary current 16 1A For 460V units 1 19 0A and over continues for 5 seconds 2 16 1A and over continues for 260 seconds For 230V units 1 A current of 33 5A or more continues for a period of consecutive 5 sec 2 A current of 27 6A or more continues for a period of consecutive 260 sec Supposed Causes Compressor overload C...

Страница 89: ...Troubleshooting www DaikinApplied com 89 OM 1263 MICROTECH UNIT CONTROLLER Figure 26 L8 Momentary Overcurrent of Inverter Compressor Check 3 Check 3 See page 75 ...

Страница 90: ...Display L9 Method of Malfunction Detection Detect the failure based on the signal waveform of the compressor Malfunction Decision Condition Starting the compressor does not complete Supposed Causes Defective compressor Wiring connection error to the compressor Large pressure difference before starting the compressor Defective inverter PC board ...

Страница 91: ...the wiring then restart Replace the inverter compressor Replace the inverter compressor Replace the compressor inverter PC board Recheck the compressor refrigeration circuit Check 3 Check if the power transistor is normal Check if the insulation resistance of the compressor is 100kΩ or over Unusual compressor noise Caution Be sure to turn off power switch before connecting or disconnecting connect...

Страница 92: ...sed ripple of voltage of the main circuit capacitor in the inverter Consequently the increased ripple is detected Malfunction Decision Condition P1 will be displayed by pressing the inspection button When the amplitude of the ripple exceeding a certain value is detected for consecutive 4 minutes Supposed Causes Open phase Voltage imbalance between phases Defect of main circuit capacitor Defect of ...

Страница 93: ...Troubleshooting www DaikinApplied com 93 OM 1263 MICROTECH UNIT CONTROLLER Figure 28 P1 Inverter Over Ripple Protection ...

Страница 94: ...se Sensor Remote Controller Display P4 Method of Malfunction Detection Resistance of radiation fin thermistor is detected when the compressor is not operating P4 will be displayed by pressing the inspection button Supposed Causes Defect of radiator fin temperature sensor Defect of inverter PC board Faulty inverter compressor Faulty fan motor ...

Страница 95: ...Troubleshooting www DaikinApplied com 95 OM 1263 MICROTECH UNIT CONTROLLER Figure 29 P4 Malfunction of Inverter Radiating Fin Temperature Rise Sensor See Figure 30 on page 96 ...

Страница 96: ...OM 1263 MICROTECH UNIT CONTROLLER 96 www DaikinApplied com Troubleshooting Figure 30 P4 Malfunction of Inverter Radiating Fin Temperature Rise Sensor Thermistor Resistance Temperature Characteristics ...

Страница 97: ...Malfunction Detection This malfunction is detected according to communications with the inverter Malfunction Decision Condition Make judgment according to communication data on whether or not the type of the inverter PC board is correct Supposed Causes Faulty or no field setting after replacing main PC board Mismatching of type of PC board Recommended Action Contact the replacement parts supplier ...

Страница 98: ...Malfunction Decision Condition When the voltage aforementioned is not less than 780V or not more than 320V or when the current limiting voltage does not reach 200V or more or exceeds 740V For 230V units When the voltage aforementioned is not more than 190V Supposed Causes Power supply insufficient Instantaneous power failure Open phase Defect of inverter PC board Defect of outdoor control PC board...

Страница 99: ...Troubleshooting www DaikinApplied com 99 OM 1263 MICROTECH UNIT CONTROLLER Figure 31 U2 Power Supply Insufficient or Instantaneous Failure See CHECK3 on page 75 See CHECK3 on page 75 ...

Страница 100: ...ated occurrence Question Do other fans show the same failure Yes Systematically search for the cause of excessive ambient temperature Perhaps use a data logger or read out the electronics temperature via EC Control No It seems to be a hardware problem of the fan Fan need to be replaced TFM Motor Overheated First occurrence Excessive ambient temperature may be responsible Question Could ambient tem...

Страница 101: ...ans show the same failure Yes Systematic search for the reason of too high ambient temperature overload overvoltage or low voltage Perhaps use a data logger No It seems to be a hardware problem of the fan Fan need to be replaced BLK Locked Motor First occurrence Question Is it possible that the motor was locked by an obstruction or ice Do other fans show the same behaviour Corrective Remove the re...

Страница 102: ...t If applicable filter out the source of disturbing signal Repeated occurrence Question Do other fans show the same failure How often does the failure occur Get big electrical consumer loads switched at the same time when the failure occurs in the surrounding area Are compressors or large asynchronous motors applied within the arrangement Yes Systematic search for external disturbance voltage peak...

Страница 103: ...AF356B ER EAT EREAT 2203 F0AF0DBB ER LAT ERLAT 2203 F0AFFD44 EVI Pos EVI 2203 F0AF3028 EVO Pos EVO 2203 F0AF17B1 EW Temp EWT 2203 F0AFCD6B Htg Press Lmtg HtPLmtg 230B F0AF3FE7 INV Brd Lmtg IBLmtg 230B F0AFBAB2 INV Cmp Spd INV 2203 F0AFDA3E Mixed Air MAT 2203 F0AFCD1F Min OA Pos MinOA 230A F0AFEEC9 Occ Clg Spt OcClgSp 2300 F0AFF8A8 OccSrc OcSrc 230B F0AFF838 PTD PTD 2203 F0AF229A PTS PTS 2203 F0AF4...

Страница 104: ...AFE3A7 Htg State HtgSt 230B F0AF4BE8 Htg Status HtgSts 230B F0AFD173 Htg Press Lmtg HtPLmtg 230B F0AF3FE7 INV Brd Lmtg IBLmtg 230B F0AFBAB2 INV Cmp Spd INV 2203 F0AFDA3E Mixed Air MAT 2203 F0AFCD1F OA Flow OAFlw 230A F0AFF10A MinOAFlw Spt OAFlwSp 2300 F0AF6B95 Occ Htg Spt OcHtgSp 2300 F0AF8A33 PTD PTD 2203 F0AF229A PTS PTS 2203 F0AF404C Return Air RAT 2203 F0AFA24D Rem ExhF Cap RemEF 2300 F0AF1969...

Страница 105: ...EXH PI GND51 L1 L2 L3 GND NB EXH_FAN1 3 M 1 2 3 4 L1 T1 L2 T2 L3 T3 MMP51 135A 136A 137A 134A 152A PB1 T3 T1 x1 x2 CCH1 MB HB 1 9 305 R CCH1 CCH1 I 152B CCH1 I 150B TB6 1 150B 106A A4P 350 PC0615 2 A U V W GND CMP1 NB M 3 PB1 U V W T1 107B GFR1 PB1 T2 T3 109A T3 107A 112B A4PPWR I 112C 112A P2 P1 U CMP1 PI 113A V 114A T2 LR1 W T1 115A 1 L1 T1 L2 T2 L3 T3 MMP1 3 GF I 108A GND2 112D 3 ORG BLU YEL 1 ...

Страница 106: ... T10 DI2 T10 M T12 301G DO1 COM 24 120 T2A CLASS 2 75VA COM DO9 DO10 T5 DO10 DO4 DO2 DO3 DO4 DO2 DO3 C2 C3 4 MCB EXPD X1 T4 M1 X2 5VDC X3 T4 M2 X6 T5 M1 TB1 7 7 S C1 12 8 R HP1 303 6 7 T9 M1 T9 X8 24VDC T8 X1 X3 T8 M2 X4 T8 M1 T8 X2 3 1 PC5 FILTER TB2 232A TB2 232B DIRTY_FILTER FIELD TB2 218 TB2 219 T7 AI3 T7 M2 T7 AI2 TB2 247 0 10 VDC COMP_CAP FROM FIELD TB2 250 0 10VDC COMP_ACTUAL_CAP TO FIELD T...

Страница 107: ... IFN CI T6 DI5 MCB 3 1 IFBA I X6A 2I CHK1 1 3 3 1 IFB I MOD X8 AO T5 M2 TB2 235 ALARM_RESET FIELD DI1 DO4 DO3 DO4 DO3 T3 C3 T3 C4 TB2 240C TB2 240 LOCAL_REMOTE_STATUS TB2 240C T4 D07 DO7 DO8 T4 D08 TB2 245C DO5 DO6 T4 D05 T4 D06 TB2 248 TB2 245C INV_COMP_RDY_STATUS T4 C5 6 T4 C7 8 351E 352B WHT BLK RED WHT BLK DRN 354B 355A 163B 163A 160A 314A 314B 317A 319A 160A 255D T5 X5 TB2 231 331A EXPD PL19 ...

Страница 108: ... CCH CHV1 Comm Mod D3 DAT DFT DHL DRT1 3 DS1 DS2 DS6 ECB1 EVB EVBF EVI EVO EXPB D F1A B F1C D F4A B C F6C GFR1 HEAT1 HL HP1 3 IFB IFBF IRT LCT LR1 M1F M3 M60 MCB MJ MMP1 MMP10 MMP3 Description Manual Motor Protector Exhaust Fan Manual Motor Protector Energy Recovery Wheel Contactor Circuit 1 Dual Supply Enthalpy Sensor Outside Air Relay Outside Air Enthalpy Temperature Sensor Outside Air Outdoor F...

Страница 109: ...Appendix Sample Wiring Diagrams Rebel 16 28 Tons www DaikinApplied com 109 OM 1263 MICROTECH UNIT CONTROLLER Appendix Sample Wiring Diagrams Rebel 16 28 Tons Figure 33 DPS020A 208V with Hot Water Heat ...

Страница 110: ...OM 1263 MICROTECH UNIT CONTROLLER 110 www DaikinApplied com Appendix Sample Wiring Diagrams Rebel 16 28 Tons Figure 33 continued DPS020A 208V with Hot Water Heat ...

Страница 111: ...Appendix Sample Wiring Diagrams Rebel 16 28 Tons www DaikinApplied com 111 OM 1263 MICROTECH UNIT CONTROLLER Figure 33 continued DPS020A 208V with Hot Water Heat ...

Страница 112: ...OM 1263 MICROTECH UNIT CONTROLLER 112 www DaikinApplied com Appendix Sample Wiring Diagrams Rebel 16 28 Tons Figure 33 continued DPS020A 208V with Hot Water Heat ...

Страница 113: ......

Страница 114: ...nt 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 DaikinApplie...

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