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PRODUCT IDENTIFICATION

4

The model number is used for positive identification of component parts used in manufacturing. Please use this number when
requesting service or parts information.

D

C

C

090

045

5

D

*

*

*

A

*

1

2

3

4, 5, 6

7, 8, 9

10

11

12

13

14

15

16

Brand

D

Daikin

Major & Minor

Configuration

C

Com mercial Standard Efficiency

X

No Options

Application

C

Cooling

X

Standard Aluminized Heat Exchanger

H

Heat Pump

S

Nominal Gross Cooling Capacity

X

No Options

036

3 Tons

102

8½ Tons

048

4 Tons

120

10 Tons

060

5 Tons

180

15 Tons

072

6 Tons

240

20 Tons

B

Belt Drive

090

7½ Tons

300

25 Tons

D

Direct Drive

Nominal Heating Capacity

Gas/Electric

A/C H/P Factory-Installed Electric Heat

180

180,000 BTU/h

XXX

No Heat

030

30 kW

1

208-230/1/60 (United States)

4

460/3/60 (United States)

300

300,000 BTU/h

016

15 kW

045

44 kW

3

208-230/3/60 (United States)

5

400/3/50 (Russia Daikin Brand)

350

350,000 BTU/h

6

400/3/60 (Saudi Arabia)

A 400/3/50 (Russia Goodman Brand)

B

400/3/50 (Kuwait)

E 400/3/50 (Argentina)

See product specifications for heat size(s) available for each capacity.

Voltage

Revision Levels

Factory-Installed Options

Factory-Installed Options

Stainless Steel Heat Exchanger

Factory-Installed Options

Supply Fan/Drive Type/Motors

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Содержание DCH048 SERIES

Страница 1: ...or personal injury due to improper service procedures or services performed by an unqualified person RSDX6412006r1 November2016 DCC Cooling DCH Heat Pumps Commercial Package Units with R 410A Refriger...

Страница 2: ...856 1821 Not a technical assistance line for dealers Outside the U S call 1 713 861 2500 Not a technical assistance line for dealers Your telephone company will bill you for the call IMPORTANTINFORMA...

Страница 3: ...cover is not properly in place a venting terminal may discharge a combination of a hot lubricating oil and refrigerant b flammable mixture if system is contaminated with air inastreamofspraywhichmayb...

Страница 4: ...ons 120 10 Tons 060 5 Tons 180 15 Tons 072 6 Tons 240 20 Tons B Belt Drive 090 7 Tons D Direct Drive Nominal Heating Capacity Gas Electric A C H P Factory Installed Electric Heat 180 180 000 BTU h XXX...

Страница 5: ...ikin Commercial Package Heat Pump Multiposition heat pump units 400V 3 Phase 60 Hz Direct Drive Initial release of Daikin branded models DCH048XXX6DXXXAD DCH060XXX6DXXXAC Daikin Commercial Package Hea...

Страница 6: ...irect Drive Initial release of 4 5 Ton Daikin branded models DCC 048 060 XXXBDXXXAA Daikin Commercial Package Cooler Multiposition cooling 400V 3 Phase 60 Hz Direct Drive Initial release of Daikin bra...

Страница 7: ...f used do not allow the econo mizer manualfreshairdamper motorizedfreshairdamper to become blocked by snow or debris In some climates or locations it may be necessary to elevate the unit to avoidthese...

Страница 8: ...esupplyand returnductopeningareasasdamagetotheunitmightoccur NOTE The unit and curb accessories are designed to allow vertical duct installation before unit placement Duct installation after unit plac...

Страница 9: ...on unit for details Main power wiring should be sized for the minimum wire ampacity shown on the unit s database Size wires in accordance with the ampacity tables in Article 310 of the NationalElectri...

Страница 10: ...pped LOW VOLTAGE CONTROL WIRING 1 A 24V thermostat must be installed for unit operation It may be purchased with the unit or field supplied Ther mostatsmaybeprogrammableorelectromechanicalas required...

Страница 11: ...l Package Cooling or Package Gas RestrictorOrificeAssemblyinCoolingOperation In the cooling mode the orifice is pushed into its seat forcing refrigerant to flow through the metered hole in the center...

Страница 12: ...SYSTEM OPERATION 12 Typical Heat Pump System in Cooling Indoor Coil Accumulator Outdoor Coil Reversing Valve Energized Indoor Coil Accumulator Outdoor Coil Reversing Valve De Energized DCH XXX XXX...

Страница 13: ...eaning is neces sary to prevent this build up from plugging the drain STARTUP ADJUSTMENTS AND CHECKS HIGH VOLTAGE OND THE FRAME OF THIS UNIT TO THE BUILDING ELECTRICAL GROUND BY USE OF THE GROUNDING T...

Страница 14: ...aceajumperwireacrossterminals R and G at TB1 terminal block Close disconnect switch evaporator fan motor will operate so RPM can be checked For gas heat units the airflow must be adjusted so that the...

Страница 15: ...perates properly NOTE Ifoutdoorthermostatsareinstalledtheoutdoor ambient must be below the set point of these thermo stats for the heaters to operate It may be necessary to jumper these thermostats to...

Страница 16: ...o a feeder tube enteringtheoutdoorcoil Defrosttimingperiodsof30 60and 90 minutes may be selected by connecting the circuit board jumper to 30 60 and 90 respectively Accumulation of time for the timing...

Страница 17: ...anual 14 Check condenser fans and tighten set screws FILTERS CAUTION TO PREVENT PROPERTY DAMAGE DUE TO FIRE AND LOSS OF EQUIPMENT EFFICIENCY OR EQUIPMENT DAMAGE DUE TO DUST AND LINT BUILD UP ON INTERN...

Страница 18: ...acts S 7 Open Control Circuit Test Control Circuit with Voltmeter S 4 Low Voltage Test Voltage S 1 Faulty Evap Fan Motor Repair or Replace S 16 Shorted or Grounded Fan Motor Test Motor Windings S 16 I...

Страница 19: ...hecking Fan Blower Motor Windings PSC Motors 26 S 16D Checking EEM Motors 26 S 17 Checking Compressor Windings 27 S 17A ResistanceTest 27 S 17B GroundTest 27 S 17D OperationTest 28 S 18 Testing Crankc...

Страница 20: ...oltage tabulation as shown If the voltage falls below the minimum voltage checkthelinewiresize Longrunsofundersizedwirecan causelowvoltage Ifwiresizeisadequate notifythelocal power company in regards...

Страница 21: ...ir or replace as necessary S 3B COOLING ANTICIPATOR The cooling anticipator is a small heater resistor in the thermostat During the off cycle it heats the bimetal elementhelpingthethermostatcallforthe...

Страница 22: ...TACTOR CONTACTS SINGLEPHASE HIGH VOLTAGE Disconnect ALL power before servicing or installing this unit Multiple power sources may be present Failure to do so may cause property damage personal injury...

Страница 23: ...ard for single phase gas models For3phaseandbeltdrivemodels theprocedurefortesting the fan relay contacts will be the same as checking the compressor contactor contacts See section S 8 DCC DCH TheElec...

Страница 24: ...roximately22PSIG Itwillautomaticallycut in close at approximately 50 PSIG Test for continuity using a VOM and if not as above replace the control S 12 CHECKING HIGH PRESSURE CONTROL HIGH VOLTAGE Disco...

Страница 25: ...ype rather than metallized polypropylene as used in the run capacitor A switching device must be wired in series with the capacitor to remove it from the electrical circuit after the compressor starts...

Страница 26: ...cable 2 Check the continuity between each of the motor leads 3 Touch one probe of the ohmmeter to the motor frame ground and the other probe in turn to each lead Ifthewindingsdonottestcontinuousorarea...

Страница 27: ...reandduringservicing To reduce the possibility of external ignition all open flame electricalpower andotherheatsourcesshouldbe extinguished or turned off prior to servicing a system S 17A RESISTANCE T...

Страница 28: ...re HIGH VOLTAGE Disconnect ALL power before servicing or installing this unit Multiple power sources may be present Failure to do so may cause property damage personal injury or death 1 Remove unit wi...

Страница 29: ...cross the terminals DFT and R at defrost control board 2 Connectjumperacrosstestpinsondefrostcontrolboard 3 Set thermostat to call for heating System should go into defrost within 21 seconds 4 Immedia...

Страница 30: ...elementisprotectedwithanautomatic rest limit control connected in series with each element to prevent overheating of components in case of low airflow This limit control will open its circuit at appro...

Страница 31: ...e vacuum in the system NOTE Neverusethesystemcompressorasavacuumpump or run when under a high vacuum Motor damage could occur Do not front seat the service valve s with the compressor open with the su...

Страница 32: ...rant in the charging cylinder hose and will definitely have liquid in the liquid hose Reseat the liquid line core Slowly open the high side manifold valve and transfertheliquidrefrigerantfromtheliquid...

Страница 33: ...rant gas is considered superheated when its tem perature is higher than the saturation temperature corre spondingtoitspressure Thedegreeofsuperheatequalsthe degrees of temperature increase above the s...

Страница 34: ...60 8 6 162 0 57 0 264 0 87 4 366 0 110 4 468 0 129 0 600 0 149 0 62 10 0 164 0 57 7 266 0 87 9 368 0 110 8 470 0 129 3 604 0 149 5 64 11 3 166 0 58 4 268 0 88 4 370 0 111 2 472 0 129 7 608 0 150 1 66...

Страница 35: ...0 78 308 90 88 86 84 82 80 317 92 90 88 86 84 82 326 94 92 90 88 86 84 335 96 94 92 90 88 86 345 98 96 94 92 90 88 354 100 98 96 94 92 90 364 102 100 98 96 94 92 374 104 102 100 98 96 94 384 106 104 1...

Страница 36: ...evacuate and recharge S 113 OVERCHARGE OF REFRIGERANT An overcharge of refrigerant is normally indicated by an excessively high head pressure Anevaporatorcoil usinganexpansionvalvemeteringdevice willb...

Страница 37: ...r a minimum of twelve 12 hours and recheck the pressure drop across the drier Pressure drop should not exceed 6 PSIG 7 Continue to run the system for several days repeatedly checking pressure drop acr...

Страница 38: ...RE RISE S 205 CHECKING BELT TENSION NOTE Sectiononhighstatictablesmayrequireafieldmotor change BELT DRIVE MODELS ONLY TENSION AND ALIGNMENT ADJUSTMENT Check drive for adequate run in belt tension Corr...

Страница 39: ...heckhasbeen made S 207 MOTOR SHEAVE ADJUSTMENT VL VM 2VP VARIABLE PITCH KEY TYPE MOTOR SHEAVES Thedrivinganddrivenmotorsheavesshouldbeinalignment with each other and the shafts parallel VL VM SHEAVES...

Страница 40: ...40 DCC COMMERCIAL 3 6 Ton PackagedAir Conditioner Unit WIRING DIAGRAMS...

Страница 41: ...INAL AT LEAST 105 C USE COPPER CONDUCTOR ONLY 2 TO CHANGE EVAPORATOR MOTOR SPEED MOVE WHITE AND YELLOW LEADS FROM 3 AND 4 TO 4 AND 5 IF BOTH LEADS ARE ENERGIZED THE HIGHER SPEED SETTING IS USED 3 USE...

Страница 42: ...NOTES 1 REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE INSULATION AS ORIGINAL AT LEAST 105 C USE COPPER CONDUCTOR ONLY 2 TO CHANGE EVAPORATOR MOTOR SPEED MOVE WHITE AND YELLOW LEADS FROM 3 AND 4 TO 4 AN...

Страница 43: ...ELAY EVAPORATOR MOTOR RELAY RELAY EVAPORATOR MOTOR FAN CAPACITOR EQUPIMENT GROUND HIGH PRESSURE SWITCH HIGH VOLTAGE DEFROST RELAY LOW PRESSURE SWITCH LOW VOLTAGE DEFROST RELAY LOW VOLTAGE JUNCTION BOX...

Страница 44: ...44 DCH COMMERCIAL 3 6 Ton Packaged Heat Pump Unit WIRING DIAGRAMS...

Страница 45: ...IRE 4 ECONOMIZER PLUG LOCATED IN TH E RETURNAIR COMPARTMENT REMOVEMALEPLUG AND ATTACH FEMALEPLUG TO ECONOMIZER ACCESSORY 5 6 3 1 2 SEE NOTE 4 LOW VOLTAG E LINE VOLTAG E FIEL D WIRING LOW VOLTAG E FACT...

Страница 46: ...DR PLF PM RVC RCCF TB1 TR HVDR 6 T1 C L1 EM CHR CM COMPONENT LEGEND R F 6 1 DF2 P L F 1 G T2 NOTES 1 REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE INSULATION AS ORIGINAL AT LEAST 105 C USE COPPER CONDUC...

Страница 47: ...personal injury due to improper service procedures or services performed by an unqualified person Copyright 2015 2016 RSDX6412007r2 November2016 DCC Cooling DCH Heat Pumps Commercial Package Units wit...

Страница 48: ...assistance line for dealers Outside the U S call 1 713 861 2500 Not a technical assistance line for dealers Your telephone company will bill you for the call HIGH VOLTAGE Disconnect ALL power before s...

Страница 49: ...cover is not properly in place a venting terminal may discharge a combination of a hot lubricating oil and refrigerant b flammable mixture if system is contaminated with air inastreamofspraywhichmayb...

Страница 50: ...Tons B Belt Drive D Direct Drive Nominal Heating Capacity Gas Electric A C H P Factory Installed Electric Heat 180 180 000 BTU h XXX No Heat 030 30 kW 1 208 230 1 60 United States 4 460 3 60 United St...

Страница 51: ...e 60Hz Belt Drive Initial release of 7 5 12 5 Ton Daikin branded models DCH 090 120 XXX6BXXXAB Daikin Commercial Package Heat Pump Multiposition heat pump units 400V 3 Phase 60Hz Belt Drive with phase...

Страница 52: ...50 XXX6BVXXAA Daikin Commercial Package Cooler Multiposition cooling units 400V 3 Phase 60 Hz Belt Drive Factory installed options Low Leak Downflow Economizer DCC 090 120 XXX6BXXXAB Daikin Commercial...

Страница 53: ...r be obstructed If used do not allow the econo mizer manualfreshairdamper motorizedfreshairdamper to become blocked by snow or debris In some climates or locations it may be necessary to elevate the u...

Страница 54: ...heunitmightoccur NOTE The unit and curb accessories are designed to allow vertical duct installation before unit placement Duct installation after unit placement is not recommended ALL CURBS LOOK SIMI...

Страница 55: ...y wired for the voltage shown on the unit s data plate Main power wiring should be sized for the minimum wire ampacity shown on the unit s database Size wires in accordance with the ampacity tables in...

Страница 56: ...NCE LOCATIONS Unit is equipped with a Low Voltage Terminal Block and has SinglePointwiringtothecontactororpowerblockifequipped LOW VOLTAGE CONTROL WIRING 1 A 24V thermostat must be installed for unit...

Страница 57: ...l Package Cooling or Package Gas RestrictorOrificeAssemblyinCoolingOperation In the cooling mode the orifice is pushed into its seat forcing refrigerant to flow through the metered hole in the center...

Страница 58: ...OPERATION 12 Indoor Coil Accumulator Outdoor Coil Reversing Valve Energized Indoor Coil Accumulator Outdoor Coil Reversing Valve De Energized DCH XXX XXX Typical Package Heat Pump COOLING CYCLE HEATIN...

Страница 59: ...n STARTUP ADJUSTMENTS AND CHECKS HIGH VOLTAGE TO AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK BOND THE FRAME OF THIS UNIT TO THE BUILDING ELECTRICAL GROUND BY USE OF THE GROUNDING TERMINAL P...

Страница 60: ...k Do not attempt to change load side wiring Internal wiring assures all motors and compressors will rotate in correct directiononceevaporatorfanmotorrotationcheckhasbeen made ELECTRICAL INPUT CHECK Ma...

Страница 61: ...heck heater operation if outdoor ambient is mild 15 For thermostats with emergency heat switch return to step 11 The emergency heat switch is located at the bottomofthethermostat Movetheswitchtoemerge...

Страница 62: ...as completed During operation the power to the circuit board is controlled by a temperature sensor which is clamped to a feeder tube enteringtheoutdoorcoil Defrosttimingperiodsof30 60and 90 minutes ma...

Страница 63: ...ionManual 14 Check condenser fans and tighten set screws FILTERS CAUTION TO PREVENT PROPERTY DAMAGE DUE TO FIRE AND LOSS OF EQUIPMENT EFFICIENCY OR EQUIPMENT DAMAGE DUE TO DUST AND LINT BUILD UP ON IN...

Страница 64: ...d Contacts S 7 Open Control Circuit Test Control Circuit with Voltmeter S 4 Low Voltage Test Voltage S 1 Faulty Evap Fan Motor Repair or Replace S 16 Shorted or Grounded Fan Motor Test Motor Windings...

Страница 65: ...A Checking Fan Blower Motor Windings PSC Motors 26 S 17 CheckingCompressorWindings 26 S 17A Resistance Test 26 S 17B GroundTest 27 S 17D OperationTest 27 S 18 Testing Crankcase Heater optional item 27...

Страница 66: ...oltage tabulation as shown If the voltage falls below the minimum voltage checkthelinewiresize Longrunsofundersizedwirecan causelowvoltage Ifwiresizeisadequate notifythelocal power company in regards...

Страница 67: ...ir or replace as necessary S 3B COOLING ANTICIPATOR The cooling anticipator is a small heater resistor in the thermostat During the off cycle it heats the bimetal elementhelpingthethermostatcallforthe...

Страница 68: ...TACTOR CONTACTS SINGLEPHASE HIGH VOLTAGE Disconnect ALL power before servicing or installing this unit Multiple power sources may be present Failure to do so may cause property damage personal injury...

Страница 69: ...for checking control board for single phase gas models For3phaseandbeltdrivemodels theprocedurefortesting the fan relay contacts will be the same as checking the compressor contactor contacts See sect...

Страница 70: ...of the control open breaking the controlcircuitbeforethecompressormotoroverloads This control is automatically reset 1 Using an ohmmeter check across terminals of high pressure control with wire remo...

Страница 71: ...shock to the servicer See the Servicing Section for specific information concerning capacitors RELAY START A potential or voltage type relay is used to take the start capacitoroutofthecircuitoncethem...

Страница 72: ...ity if a terminal vents that the vaporous andliquiddischargecanbeignited spoutingflamesseveral feet causingpotentiallysevereorfatalinjurytoanyoneinits path This discharge can be ignited external to th...

Страница 73: ...ve the compressorterminalprotectivecoverandinspectfor loose leads or insulation breaks in the lead wires 4 Ifnovisualproblemsindicated carefullyremovetheleads at the compressor terminals WARNING Damag...

Страница 74: ...tionofthethermostatandthecontinuityoftheconnect ing wiring from the O terminal of the thermostat to the unit If voltage is registered at the coil tap the valve body lightly while switching the system...

Страница 75: ...it is on the heating cycle raise the discharge pressure by restricting airflow through the indoor coil If the valve does not shift tap it lightly on both ends with a screwdriver handle DO NOT TAP THE...

Страница 76: ...the system to working pressure then apply the detector to suspect areas If leaks are found repairthem Afterrepair repeatthepressuretest Ifnoleaks exist proceed to system evacuation S 102 EVACUATION WA...

Страница 77: ...roper amountofrefrigerantforthesystem Allowliquidrefriger ant only to enter the high side 2 After the system will take all it will take close the valve on the high side of the charging manifold 3 Star...

Страница 78: ...consideredsuperheatedwhenitstempera tureishigherthanthesaturationtemperaturecorresponding toitspressure Thedegreeofsuperheatequalsthedegrees oftemperatureincreaseabovethesaturationtemperatureat existi...

Страница 79: ...60 8 6 162 0 57 0 264 0 87 4 366 0 110 4 468 0 129 0 600 0 149 0 62 10 0 164 0 57 7 266 0 87 9 368 0 110 8 470 0 129 3 604 0 149 5 64 11 3 166 0 58 4 268 0 88 4 370 0 111 2 472 0 129 7 608 0 150 1 66...

Страница 80: ...0 78 308 90 88 86 84 82 80 317 92 90 88 86 84 82 326 94 92 90 88 86 84 335 96 94 92 90 88 86 345 98 96 94 92 90 88 354 100 98 96 94 92 90 364 102 100 98 96 94 92 374 104 102 100 98 96 94 384 106 104 1...

Страница 81: ...oilandliquidreturntothecompressor but the head pressure would be lower Thereareothercausesforhighheadpressurewhichmaybe found in the Service Problem Analysis Guide Ifothercausescheckoutnormal anoverch...

Страница 82: ...eat of an external static pressure will result in insufficient air that can cause icing of the coil whereas too much air can cause poor humidity control and condensate to be pulled off the evaporator...

Страница 83: ...be measured using a belt tension gauge available through most belt manufacturers Thecorrectdeflectionforceis5Ibs foranewbeltand3 5Ibs for a belt that has been run in New belt tension includes initial...

Страница 84: ...inganddrivenmotorsheavesshouldbeinalignment with each other and the shafts parallel VL VM SHEAVES ADJUSTMENT 1 Loosen set screw B using a 5 32 Allen key 2 Making half or full turns from closed positio...

Страница 85: ...ls No Barometric Relief MCCDANIEL METALS 7 5 12 5 Ton 1036610B2 Downflow Economizer ROOFTOP SYSTEMS 7 5 10 Ton 1036612B2 Downflow Economizer ROOFTOP SYSTEMS 12 5 Ton DDNSQRD9020 Downflow Square to Rou...

Страница 86: ...POWER BEFORE SERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH Wiring is subject to change Always refer to the...

Страница 87: ...e most up to date wiring EHK4 16 BK BK RD YL RD 9 WH 8 7 6 RS BL 5 4 3 2 PC 1 BK FL HTR 3 FL FL HTR 2 HTR 1 TL TL TL RD YL PU COMPONENT CODE PC 9 PIN CONNECTOR HTR HEATER ELEMENT TL THERMAL LIMIT RS R...

Страница 88: ...00V EHK4 30 COMPONENT CODE PC 9 PIN CONNECTOR HTR HEATER ELEMENT TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OP OVERLOAD PROTECTION LOW VOLTAGE WIRING CODE HIGH VOLTAGE CT CONTACTOR BK RD YL RD 9...

Страница 89: ...NT TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OP OVERLOAD PROTECTION LOW VOLTAGE WIRING CODE HIGH VOLTAGE CT CONTACTOR MODEL EHK3 45 EHK4 45 EHK7 45 BK RD YL RD 9 WH 8 7 6 BL 5 4 3 2 PC 1 BK FL...

Страница 90: ...44 DCC COMMERCIAL 7 5 12 5 Ton Packaged Air Conditioner Unit WIRING DIAGRAMS...

Страница 91: ...BK 6 2 8 5 7 3 9 4 1 PLF 1 WH GND COLOR CODE BK BLACK BL BLUE BR BROWN OR ORANGE PU PURPLE RD RED WH WHITE YL YELLOW PK PINK GR GREEN WIRING CODE FACTORY WIRING HIGH VOLTAGE LOW VOLTAGE OPTIONAL HIGH...

Страница 92: ...BL O O OR W2 W2 BR COMPONENT LEGEND BC CC CM CMR COMP DC DFT ECON EBTD EMR R EM FC GND HPS HVDR LPS LVDR PB PLF PM RCCF TB1 TR BLOWER CONTACTOR COMPRESSOR CONTACTOR CONDENSER MOTOR CONDENSER MOTOR REL...

Страница 93: ...47 DCH COMMERCIAL 7 5 12 5 Ton Packaged Heat Pump Unit WIRING DIAGRAMS...

Страница 94: ...RED WH WHITE YL YELLOW PK PINK GR GREEN WIRING CODE FACTORY WIRING HIGH VOLTAGE LOW VOLTAGE OPTIONAL HIGH VOLTAGE FIELD WIRING HIGH VOLTAGE 5 3 2 1 4 NC NO S1 S2 R C G W1 W 2 Y1 Y2 O RD PK DFT1 DFT2...

Страница 95: ...RS ONLY USE N E C CLASS 2 W IRE 3 ECONOMIZER PLUG LOCA TED IN THE RETURN AIR COMPARTMENT REMOVE MALE PLUG AND ATTAC H FEMA LE PLUG TO THE ECONOMIZER ACCESSORY 4 FOR TW O STAGE OPERATION REMOVE W 1 TO...

Страница 96: ...improper service procedures or services performed by an unqualified person Copyright 2015 2016 RSDX6412008r2 September 2016 DCC Cooling Commercial Package Units with R 410A Refrigerant 15 25 Tons Acce...

Страница 97: ...assistance line for dealers Outside the U S call 1 713 861 2500 Not a technical assistance line for dealers Your telephone company will bill you for the call HIGH VOLTAGE Disconnect ALL power before...

Страница 98: ...cover is not properly in place a venting terminal may discharge a combination of a hot lubricating oil and refrigerant b flammable mixture if system is contaminated with air inastreamofspraywhichmayb...

Страница 99: ...Tons 072 6 Tons 240 20 Tons B Belt Drive 090 7 Tons 300 25 Tons D Direct Drive Nominal Heating Capacity Gas Electric A C H P Factory Installed Electric Heat 180 180 000 BTU h XXX No Heat 030 30 kW 1...

Страница 100: ...oler R410A 400V 3 Phase 60 Hz Belt Drive Initial release of 15 25 Ton Daikin branded models DCC 240 300 XXX6BXXXAB Daikin Commercial Package Cooler R410A 400V 3 Phase 60 Hz Belt Drive with phase monit...

Страница 101: ...across finished roof without prior approvalofownerorarchitect Donotskidorslideonanysurfaceasthismaydamage unit base The unit must be stored on a flat level surface Protect the condenser coil because i...

Страница 102: ...TH FACTORY WIRING THE INTERNAL POWER AND CONTROL WIRING OF THESE UNITS ARE FACTORY INSTALLED AND HAVE BEEN THOROUGHLY TESTED PRIOR TO SHIPMENT CONTACT YOUR LOCAL REPRESENTATIVE IF ASSISTANCE IS REQUIR...

Страница 103: ...t fused Protect the powerleadsatthepointofdistributioninaccordancewith the unit data plate The unit must be electrically grounded in accordance with local codes or in the absence of local codes with t...

Страница 104: ...Block and has Single Point wiring to the contactor LOW VOLTAGE CONTROL WIRING 1 A 24V thermostat must be installed for unit operation It may be purchased with the unit or field supplied Ther mostatsm...

Страница 105: ...ing or Package Gas Either a thermostatic expansion valve or restrictor orifice assembly may be used depending on model refer to the parts catalog for the model being serviced DCC XXX XXX Indoor Coil O...

Страница 106: ...ic cleaning is neces sary to prevent this build up from plugging the drain STARTUP ADJUSTMENTS AND CHECKS HIGH VOLTAGE TO AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK BOND THE FRAME OF THIS...

Страница 107: ...the ranges given stated on Data Plate ELECTRICAL INPUT CHECK Make preliminary check of evaporator fan ampere draw and verify that motor nameplate amps are not exceeded A final check of amp draw shoul...

Страница 108: ...are shown on the unit s nameplate To confirm charge levels or if a leak occurs and charge needs to be added to the system it is recommendedtoevacuatethesystemandrechargerefriger atetounitnameplatespec...

Страница 109: ...or mationManual 14 Check condenser fans and tighten set screws FILTERS TO PREVENT PROPERTY DAMAGE DUE TO FIRE AND LOSS OF EQUIPMENT EFFICIENCY OR EQUIPMENT DAMAGE DUE TO DUST AND LINT BUILD UP ON INTE...

Страница 110: ...d Contacts S 7 Open Control Circuit Test Control Circuit with Voltmeter S 4 Low Voltage Test Voltage S 1 Faulty Evap Fan Motor Repair or Replace S 16 Shorted or Grounded Fan Motor Test Motor Windings...

Страница 111: ...ngCapacitor 21 S 15A Resistance Check 22 S 15B CapacitanceCheck 22 S 16 CheckingMotors 23 S 16A Checking Fan Motor Windings PSC Motors 23 S 17 CheckingCompressorWindings 23 S 17A Resistance Test 23 S...

Страница 112: ...oltage tabulation as shown If the voltage falls below the minimum voltage checkthelinewiresize Longrunsofundersizedwirecan causelowvoltage Ifwiresizeisadequate notifythelocal power company in regards...

Страница 113: ...ir or replace as necessary S 3B COOLING ANTICIPATOR The cooling anticipator is a small heater resistor in the thermostat During the off cycle it heats the bimetal elementhelpingthethermostatcallforthe...

Страница 114: ...mtheterminal T sideofthe contactor 2 With power ON energize the contactor 3 Using a voltmeter test across terminals A L1 L2 L1 L3 and L2 L3 If voltage is present proceedtoB Ifvoltageisnotpresent check...

Страница 115: ...5 5 Using a VOM check for 24 volts from terminals 3 and 4 of relay Should read 24 volts If not as above replace relay CheckingEBTDRContactOperation With power on 1 Set the thermostat to the fan on po...

Страница 116: ...self with a rise in pressure The low pressure control is designed to cut out open at approximately 22 PSIG 7 PSIG It will automatically cut in close at approximately 50 PSIG 7 PSIG Test for continuity...

Страница 117: ...a capacitor are a resistance and a capacitance check S 15A RESISTANCE CHECK HIGH VOLTAGE Disconnect ALL power before servicing or installing this unit Multiple power sources may be present Failure to...

Страница 118: ...e ignited external to the compressor if theterminalcoverisnotproperlyinplaceandifthedischarge impinges on a sufficient heat source Ignitionofthedischargecanalsooccurattheventingterminal orinsidethecom...

Страница 119: ...harging Carefully retest for ground directly between com pressor terminals and ground 5 If ground is indicated replace the compressor S 17D OPERATION TEST Ifthevoltage capacitor overloadandmotorwindin...

Страница 120: ...applying heat to the system When repairing the refrigeration system WARNING Disconnect ALL power before servicing 1 Never open a system that is under vacuum Air and moisture will be drawn in 2 Plug o...

Страница 121: ...heshutoffvalvetothe high vacuum gauge manifold only After the compound gauge lowside hasdroppedtoapproximately29inches of vacuum open the valve to the vacuum thermocouple gauge See that the vacuum pum...

Страница 122: ...toolow addcharge Ifpressuresandamp draw are too high remove charge Check subcooling and superheat as detailed in the following section 5 Withthesystemstillrunning removehoseandreinstall bothvalvecaps...

Страница 123: ...be is plugged 5 Capturethecharge replacethevalveanddrier evacuate andrecharge S 112 CHECKING RESTRICTED LIQUID LINE When the system is operating the liquid line is warm to the touch If the liquid line...

Страница 124: ...60 8 6 162 0 57 0 264 0 87 4 366 0 110 4 468 0 129 0 600 0 149 0 62 10 0 164 0 57 7 266 0 87 9 368 0 110 8 470 0 129 3 604 0 149 5 64 11 3 166 0 58 4 268 0 88 4 370 0 111 2 472 0 129 7 608 0 150 1 66...

Страница 125: ...0 78 308 90 88 86 84 82 80 317 92 90 88 86 84 82 326 94 92 90 88 86 84 335 96 94 92 90 88 86 345 98 96 94 92 90 88 354 100 98 96 94 92 90 364 102 100 98 96 94 92 374 104 102 100 98 96 94 384 106 104 1...

Страница 126: ...drop across the drier Pressure drop should not exceed 6 PSIG 7 Continue to run the system for several days repeatedly checking pressure drop across the suction line drier If thepressuredropneverexcee...

Страница 127: ...es not reverse any two incoming power cables at Single Point Power Block In this case repeat bearing check Do not attempt to change load side wiring Internal wiring assures all motors and compressors...

Страница 128: ...is required to meet UL requirements Accessory Number Description Model Size EHK Heater Kit 15 25 Ton DAIKIN COMMERCIAL PACKAGE UNIT ACCESSORIES Complete listing of EHK kits listed on electrical data p...

Страница 129: ...he most up to date wiring EHK4 31 LOW VOLTAGE WIRING CODE HIGH VOLTAGE MODEL EHK4 31 EHK7 31 COMPONENT CODE PC 9 PIN CONNECTOR HTR HEATER ELEMENT TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OR NO...

Страница 130: ...DE PC 9 PIN CONNECTOR HTR HEATER ELEMENT TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OR NON RESETTING THERMOSTAT OP OVERLOAD PROTECTION LOW VOLTAGE WIRING CODE HIGH VOLTAGE MODEL EHK4 46 EHK7 46...

Страница 131: ...EHK7 60 COMPONENT CODE PC 9 PIN CONNECTOR HTR HEATER ELEMENT TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OR NONRESETTING THERMOSTAT OP OVERLOAD PROTECTION WH M2 M1 BK BK BK BK BK BK BK BK PU PU...

Страница 132: ...CTOR HTR HEATER ELEMENT TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OR NONRESETTING THERMOSTAT OP OVERLOAD PROTECTION WH M2 M1 BK BK BK BK BK BK BK BK BK BK PU PU WH BR BL 1 PC 2 3 4 5 6 7 8 9 FL...

Страница 133: ...38 DCC COMMERCIAL 15 25 Ton Packaged Air Conditioner Unit WIRING DIAGRAMS...

Страница 134: ...U BR BR BR BR BR BR BR BR RD RD BL BL BL BL BL BL BL BL YL YL GR GR YL BL BL YL PU WH WH YL YL GR PU PU BL YL BL PK 0140L06195 A 400 30 60 RD BK OR RD BK OR RD BK OR RD BK PB 6 2 8 5 7 3 9 4 1 M2 G XF...

Страница 135: ...TYPE AND SIZE OF OVER CURRENT PROTECTION WIRE CODE BK BLACK BL BLUE BR BROWN GR GREEN OR ORANGE PK PINK PU PURPLE RD RED WH WHITE YL YELLOW YL PK YELLOW WITH PINK STRIP BL PK BLUE WITH PINK STRIP FAC...

Страница 136: ...D R D R OR BK OR BK BK BK BK BK PU PU PU PU PU PU PU PU BR BR BR BR BR BR BR BR RD RD BL BL BL BL BL BL BL BL YL YL GR GR GR YL BL BL YL PU WH WH YL YL GR PU PU BL YL YL BL PK 400V RD BK OR RD BK OR...

Страница 137: ...3 CC2 T3 T1 COMP2 T2 F CM3 CC2 T1 C CC2 T3 T2 THERMOSTAT THERMOSTAT BC BC BC EM RD W1 STAT Y1 Y2 WH C G YL Y2 R C G R W1 TB1 PK GR Y1 BL O O OR 9 7 8 W2 W2 BR CF1 F CM1 C T2 T3 T1 T1 TB2 CCH CCHR 2 1...

Страница 138: ...MUST BE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL USE COPPER CONDUCTORS ONLY 2 IF OPTIONAL ECONOMIZER IS INSTALLED REMOVE ECON SHRT PLM AND CONNECT ECON PLM TO ECON PLF BL BL SUPPLY LINE VOLTAGE 24...

Страница 139: ...NOT DESIGNED FOR OTHER CONDUCTORS THE USE OF OTHER TYPE CONDUCTORS MAY CAUSE DAMAGE TO THE UNIT POWER DIAGRAM DCC300 6B GND RD BK OR L1 L2 L3 T1 T2 T3 L1 L2 L3 T1 T2 T3 EM GY BL YL RD BL YL BK OR GY...

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