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RSD6412023

June 2020

DBG Gas Electric/DBC Cooling

Commercial Package Units

with R-410A Refrigerant

15 - 25 Tons & Accessories

Service Instructions

NOTE:

15 & 20 ton model shown in pictures.

25 ton model has 2 fans.

NLY

PERSONNEL

THAT

HAVE

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INSTALL

ADJUST

SERVICE

REPAIR

(

HEREINAFTER

, “

SERVICE

”)

THE

EQUIPMENT

SPECIFIED

THIS

MANUAL

SHOULD

SERVICE

THE

EQUIPMENT

. T

MANUFACTURER

WILL

NOT

RESPONSIBLE

FOR

ANY

INJURY

PROPERTY

DAMAGE

ARISING

FROM

IMPROPER

SERVICE

PROCEDURES

. I

YOU

SERVICE

THIS

UNIT

YOU

ASSUME

RESPONSIBILITY

FOR

ANY

INJURY

PROPERTY

DAMAGE

WHICH

MAY

RESULT

. I

ADDITION

JURISDICTIONS

THAT

REQUIRE

ONE

MORE

LICENSES

SERVICE

THE

EQUIPMENT

SPECIFIED

THIS

MANUAL

ONLY

LICENSED

PERSONNEL

SHOULD

SERVICE

THE

EQUIPMENT

. I

MPROPER

INSTALLATION

ADJUSTMENT

SERVICING

REPAIR

THE

EQUIPMENT

SPECIFIED

THIS

MANUAL

ATTEMPTING

INSTALL

ADJUST

SERVICE

REPAIR

THE

EQUIPMENT

SPECIFIED

THIS

MANUAL

WITHOUT

PROPER

TRAINING

MAY

RESULT

PRODUCT

DAMAGE

PROPERTY

DAMAGE

PERSONAL

INJURY

DEATH

WARNING

PROP 65 WARNING

FOR CALIFORNIA CONSUMERS

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

0140M00517-A

Содержание DBG Series

Страница 1: ...CE OR SERVICE PROCEDURES IF YOU SERVICE THIS UNIT YOU ASSUME RESPONSIBILITY FOR ANY INJURY OR PROPERTY DAMAGE WHICH MAY RESULT IN ADDITION IN JURISDICTIONS THAT REQUIRE ONE OR MORE LICENSES TO SERVICE...

Страница 2: ...mable liquids or vapors in the vicinity of this appliance as property damage or personal injury could occur Have your contractor point out and identify the various cut off devices switches etc that se...

Страница 3: ...e a venting terminal may discharge a combination of a hot lubricating oil and refrigerant b flammable mixture if system is contaminated with air in a stream of spray which may be dangerous to anyone i...

Страница 4: ...Stainless Steel Exchanger Controls A Electro mechanical controls X X X X X X X X A 15 16 17 18 19 20 21 22 23 24 Revision Levels Major Minor X X X X A Powered convenience outlet B Non powered conveni...

Страница 5: ...ust never be obstructed If used do not allow the economizer manual fresh air damper motorized fresh air damper to become blocked by snow or debris In some climates or locations it may be necessary to...

Страница 6: ...and return duct opening areas as damage to the unit might occur NOTE The unit and curb accessories are designed to allow vertical duct installation before unit placement Duct installation after unit...

Страница 7: ...e ampacity shown on the unit s database Size wires in accor dance with the ampacity tables in Article 310 of the National ElectricalCode Iflongwiresarerequired itmaybenecessary to increase the wire si...

Страница 8: ...mproper voltage or phase unbalance ELECTRICAL ENTRANCE LOCATIONS Unit is equipped with a Low Voltage Terminal Block and has Single Point wiring to the contactor Low Voltage Control Wiring 1 A 24V ther...

Страница 9: ...to substances death or serious which can cause illness and which cause cancer birth defects or other reproductive harm are known to the This product contains fiberglass insulation State of California...

Страница 10: ...SYSTEM OPERATION 10 Typical Package Cooling or Package Gas DBC DBG XXX XXX Indoor Coil Outdoor Coil Thermostatic Expansion Valve...

Страница 11: ...d heating and cooling thermostats with an adjustable heat anticipator NOTE Some night setback thermostats that do not have a common terminal use a power robbing circuit in the off cycle to maintain th...

Страница 12: ...is equipped to operate on the type of gas available The gas line installation mustcomplywithlocalcodes orintheabsenceoflocalcodes with the latest edition of the National Fuel Gas Code NFPA 54 ANSI Z22...

Страница 13: ...CLOSING ITS MANUAL SHUT OFF VALVE DURING ANY PRESSURE TESTING OF THE GAS SUPPLY PIPING SYSTEM AT TEST PRESSURES EQUAL TO OR LESS THAN 1 2 PSIG 3 48 KPA CAUTION TO AVOID PROPERTY DAMAGE OR PERSONAL IN...

Страница 14: ...L 1500 GAL 2000 GAL 3500 GAL 750K BTU HR 300 CFH 750 GAL 1000 GAL 1500 GAL 2000 GAL 2500 GAL 4000 GAL 5000 GAL AVERAGE RATE HOUR WITHDRAWL IN 8 HOUR PERIOD PROPANE GAS PIPING CHARTS Sizing Between Fir...

Страница 15: ...ill notfunctionsatisfactorilyifsupplygaspressureislessthan 5 5 w c or greater than 10 5 w c NOTE A minimum horizontal distance of 48 between the regulator and the furnace flue discharge is required 5...

Страница 16: ...actor must be certain that All supply and return air ductwork is in place properly sealed and corresponds with installation instructions All thermostats are mounted and wired in accordance with instal...

Страница 17: ...tor will operate so RPM can be checked For gas heat units the airflow must be adjusted so that the air temperature rise falls within the ranges given stated on Data Plate Electrical Input Check Make p...

Страница 18: ...ted in the burner compartment the control then initiates a 15 second pre purge time delay During this period theventormotorwillclearthecombustionchamber of any residual gas 5 After the pre purge perio...

Страница 19: ...first stage compressor should now be operating Allow the unit to run 10 minutes make sure cool air is being supplied by the unit 7 Lower the cooling temperature further until second stage COOL HIGH C...

Страница 20: ...T DAMAGE DUE TO DUST AND LINT BUILD UP ON INTERNAL PARTS NEVER OPERATE UNIT WITHOUT AN AIR FILTER INSTALLED IN THE RETURN AIR SYSTEM CAUTION Everyapplicationmayrequireadifferentfrequencyofreplace ment...

Страница 21: ...s panel NOTE Periodic observation of the flame and a log of C02 measurements are recommended This will aid in determining whether the furnace is operating efficiently or if the furnace requires cleani...

Страница 22: ...tacts 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...

Страница 23: ...4 Faulty Induced Draft Blower Test Blower S 303 Dirty Flame Sensor Low uA Clean Flame Sensor S 314 Flame Sensor not in Flame Low uA Test Adjust Position of Flame Sensor S 314 Faulty Gas Valve Replace...

Страница 24: ...eration Test 33 S 18 Testing Crankcase Heater Optional Item 33 S 50 Checking Heater Limit Control s 33 S 100 Refrigeration Repair Practice 34 S 101 Leak Testing 34 S 102 Evacuation 34 S 103 Charging 3...

Страница 25: ...he voltage tabulation as shown If the voltage falls below the minimum voltage check the line wire size Long runs of undersized wire can cause low voltage If wire size is adequate notify the local powe...

Страница 26: ...trouble is in the thermostat or wiring 4 Check the continuity of the thermostat and wiring Repair or replace as necessary S 3B COOLING ANTICIPATOR The cooling anticipator is a small heater resistor i...

Страница 27: ...normally open con tacts or opens the normally closed contacts When the coil is de energized springs return the contacts to their normal position NOTE Most single phase contactors break only one side o...

Страница 28: ...e present Failure to do so may cause property damage personal injury or death Checking EBTDR High Voltage Contacts 1 With power off remove wires from terminals NC COM and NO 2 Using a VOM check for re...

Страница 29: ...itself 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 continu...

Страница 30: ...the increase in voltage across the start winding will energize the start relay holding coil and open the contacts to the start capacitor Two quick ways to test a capacitor are a resistance and a capac...

Страница 31: ...SOR WINDINGS WARNING Hermetic compressor electrical terminal venting can be dangerous When insulating material which supports a hermetic compressor or electrical terminal suddenly disintegrates due to...

Страница 32: ...electrical problem exists and must be found and corrected The circuit protective device rating must be checked and its maximum rating should coincide with that marked on the equipment nameplate With...

Страница 33: ...tinuity should test continuous If not replace The condition of the scroll flanks is checked in the following manner 1 Attach gauges to the high and low side of the system 2 Start the system and run a...

Страница 34: ...o finish charging the system to working pressure then apply the detector to suspect areas If leaks are found repair them After repair repeat the pressure test If no leaks exist proceed to system evacu...

Страница 35: ...cause future prob lems 1 Using a quality set of charging scales weigh the proper amountofrefrigerantforthesystem Allowliquidrefrigerant only to enter the high side 2 After the system will take all it...

Страница 36: ...g by the expansion valve results in high suction pressure cold suction line and possible liquid slugging of the compressor If these symptoms are observed 1 Check for an overcharged unit by referring t...

Страница 37: ...lizer tube is plugged 5 Capture the charge replace the valve and drier evacuate and recharge S 112 CHECKING RESTRICTED LIQUID LINE When the system is operating the liquid line is warm to the touch If...

Страница 38: ...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 39: ...9 88 86 84 82 80 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 9...

Страница 40: ...ystem for 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...

Страница 41: ...talled on a drive the initial tension will drop rapidly during the first few hours Check tension frequently during the first 24 hours of operation Subsequent retensioning should fall between the minim...

Страница 42: ...OL DCG units use a snap disk type primary limit device Some times referred to as stat on a stick The limit setting is fixed and must not be readjusted in the field TESTING PRIMARY LIMIT CONTROL Refer...

Страница 43: ...ain if still open replace the control 3 If limit tests open allow unit to cool and retest 4 If still open replace the control TESTING AUXILIARY LIMIT CONTROL S 302 CHECKING FLAME ROLLOUT SWITCH DCGuni...

Страница 44: ...should be drawn into firing tubes a If only one burners flame is not drawn into the tube that tube is restricted b If withouttheaircirculationblowerrunning allflames are not drawn into the tubes eith...

Страница 45: ...fice which has a fixed bore and position A GAS STREAM B DENT OR BURR GAS STREAM B The length of Dimension A determines the angle of Gas Stream Defraction B A dent or burr will cause severe deflection...

Страница 46: ...sure should be a nominal 7 w c b 2 stage heat models only Manifold pressure on low stage should be 2 0 w c 3 w c c Manifold pressure for single stage heat models and 2 stage heat models on high stage...

Страница 47: ...operty damage personal injury or death 1 Remove wires from the electrical terminals 2 Using a VOM check from Common to NO Normally Open should read open IfswitchreadsasnotedproceedtoStep3 otherwise re...

Страница 48: ...ks the pressure switch for open condition If the pressure switch is closed the control will flash code 3 and wait for the pressure switch to open 2 Theinduceddraftmotorisenergizedandthecontrolflashes...

Страница 49: ...lower motor speed tap see wiring diagram and limit An interruption in electrical power during a heating cycle may also cause the auxiliary limit to open The automatic re set secondary limit is located...

Страница 50: ...signal is not present the control will de energize the gas valve and retry for ignition or lockout DSI Direct Spark Ignition Systems HIGH VOLTAGE Disconnect ALL power before servicing or installing th...

Страница 51: ...51 ACCESSORIES GAS ELECTRIC...

Страница 52: ...ACCESSORIES 52 GAS ELECTRIC...

Страница 53: ...53 ACCESSORIES...

Страница 54: ...ACCESSORIES 54...

Страница 55: ...URB D14CURB180300 Measurement in inches MOTORIZED FRESH AIR DAMPERS Models A B C 15 25 Ton 78 123 14 5 D14CURB180300 INSULATED PANELS A C B MODELS MOTORIZED MANUAL 15 25 Tons S50MFD180300 S50MFD180300...

Страница 56: ...WITH DB MODELS FLUE EXTENSION KIT MODELS KIT A B C D E 15 25 Tons 220 GX 03 4 25 3 00 6 50 3 18 36 00 FLUE EXTENSION KIT MODEL VOLTAGE USED WITH 424651121 208 230V 15 25 Ton 424651131 460V 15 25 Ton 4...

Страница 57: ...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 wiri...

Страница 58: ...NV OUTLET 15 25 TON UNITS GFI CO L1 L2 L3 CC T1 T2 T3 TRAN X2 X3 BK OB BK X1 SEE NOTE 2 GR GR WH H4 H3 H2 H1 BK SEE NOTE 1 RD 208V 230V 460 575V NOTES 1 FOR 208V OPERATION MOVE BLACK WIRE FROM H2 TO H...

Страница 59: ...OR UNITS WITH SERIALS 1607 AND NEWER 15 25 TON UNITS 0140L05871 A NOTES 1 FOR 208v OPERATION MOVE BLACK WIRE FROM H3 TO H2 ON TRANSFORMER 460v AND 575v UNITS WILL LEAVE FACTORY WITH BK WIRE CONNECTED...

Страница 60: ...OSE ON TEMPERATURE FALL 1 2 Y O C W1 G R E R Y Y R G O O G W BR BL BL R PACKAGE UNIT LOW VOLTAGE JUNCTION BOX BL W2 C R Y O W1 G E TYPICAL HP ROOM THERMOSTAT 1 2 OUTDOOR THERMOSTAT CLOSE ON TEMPERATUR...

Страница 61: ...OTE 2 NOTES 1 USE COPPER CONDUCTORS ONLY 2 ALTERNATE WIRING FOR HEAT PUMP APPLICATION MAKE A PARALLEL CONNECTION FROM THE REVERSING VALVE 24 VAC POWER SUPPLY TO THE HEAT PUMP TERMINALS ON THE CONTROL...

Страница 62: ...refer to the wiring diagram on the unit for the most up to date wiring FOR UNITS WITH SERIALS 1409 AND NEWER MOTOR 2 LINE 2 VARIABLE SPPED FULL SPEED 480 600 VAC 120 277 VAC 10 AMP MAX CUT OUT SPEED...

Страница 63: ...BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH Wiring is subject to change Always refer to the wiring diagram on the unit for the most up to date wiring FACTORY INSTALL...

Страница 64: ...BR RD PK WH BL PK PK PK PK BR RD WH BK BK BL BR RD PK WH PK BL TB XREL SDCONT SEE NOTE 3 SEE NOTE 1 TO X13 MOTOR TO CONTACTOR COMMON SEE NOTE 5 SEE NOTE 2 NOTES 1 RED JUMPER SHOWN ON UNIT DIAGRAM IS...

Страница 65: ...40L05994 A BK BC TB1 BLOWER CONTACTOR TERMINAL BLOCK COMPONENT LEGEND WIRE CODE BL BK PK RD OR BLUE BLACK PINK RED ORANGE WIRING LINE VOLTAGE LOW VOLTAGE T1 T2 T3 L1 L2 L3 L1 L2 L3 3 PHASE MONITOR BC...

Страница 66: ...BLOCK SMOKE DETECTOR COMPONENT LEGEND WIRE CODE BL BK PK RD OR BLUE BLACK PINK RED ORANGE WIRING LINE VOLTAGE LOW VOLTAGE SMK EMG T1 T2 T3 L1 L2 L3 L1 L2 L3 3 PHASE MONITOR BC RD OR OR BK RD TB1 DH T1...

Страница 67: ...requirements UNIT HEATER KIT MODEL NUMBER MINIMUM CFM Downshot HEATER KIT MODEL NUMBER MINIMUM CFM Downshot HEATER KIT MODEL NUMBER MINIMUM CFM Downshot EHK3 31 5250 EHK4 31 5250 EHK7 31 5250 15 TON E...

Страница 68: ...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 wiring diagram on the...

Страница 69: ...PC 9 PIN CONNECTOR HTR HEATER ELEMENT TL TH ERM AL LIM IT RS RELAY SEQUENCER FL FUSE LINK OR NO N RESETTING THERMO STAT OP OVERLO AD PRO TECTIO N 01 40L01 003 A BK BK BK BK YL YL YL RD RD RD M1 M2 OP...

Страница 70: ...TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OR NON RESETTING THERMOSTAT OP OVERLOAD PROTECTION 0140L02287 A T2 COM NO T1 WIRING CODE HIGH VOLTAGE LOW VOLTAGE BK BK BK BK YL YL YL RD RD RD M1 M2...

Страница 71: ...E MODEL EHK3 46 COMPONENT CODE PC 9 PIN CONNECTOR HTR HEATER ELEMENT TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OR NON RESETTING THERMOSTAT OP OVERLOAD PROTECTION CT CONTACTOR 0140L02353 A BK BK...

Страница 72: ...L FUSE LINK OR NON RESETTING THERMOSTAT O P OVERLOAD PROTECTIO N LOW VOLTAGE W IRING CODE HIGH VOLTAGE BK BK BK BK BK YL YL YL RD RD RD M1 M2 OP TL TL TL HTR 3 HTR 2 FL FL HTR 1 FL RS 2 M3 M4 RS 1 M1...

Страница 73: ...RELAY SEQUENCER FL FUSE LINK OR NON RESETTING THERMOSTAT OP OVERLOAD PROTECTION T2 COM NO T1 WIRING CODE HIGH VOLTAGE LOW VOLTAGE BK BK BK BK BK YL YL YL RD RD RD M1 M2 OP TL TL TL HTR 3 HTR 2 FL FL H...

Страница 74: ...TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OR NON RESETTING THERMOSTAT OP OVERLOAD PROTECTION CT CONTACTOR LOW VOLTAGE WIRING CODE HIGH VOLTAGE BK BK BK YL YL OP TL TL TL HTR 3 HTR 2 FL FL HTR...

Страница 75: ...ON LOW VOLTAG E W IRING CODE HIG H VO LTAG E BK BK BK BK BK YL YL YL RD RD RD M1 M2 OP TL TL TL HTR 3 HTR 2 FL FL HTR 1 FL RS 2 M3 M4 RS 1 M1 M2 OP L3 L2 L1 OP BK BK BK BK YL YL YL RD RD RD M1 M2 OP T...

Страница 76: ...INK OR NON RESETTING THERMOSTAT OP OVERLOAD PROTECTION CT CONTACTOR BK YL YL RD L1 OP TL TL TL HTR 3 HTR 2 FL FL HTR 1 FL OP L3 L2 L1 OP LOW VOLTAGE WIRING CODE HIGH VOLTAGE L2 L3 RD BK YL BK BK YL YL...

Страница 77: ...FORE 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 wiring...

Страница 78: ...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 wiring diagram on the uni...

Страница 79: ...4 46 EHK7 46 COMPONENT CODE PC 9 PIN CONNECTOR HTR HEATER ELEMENT TL THERM AL LIMIT RS RELAY SEQUENCER FL FUSE LINK OR NON RESETTING THERMOSTAT OP OVERLOAD PROTECTION 0140L01002 A BK BK BK BK BK BK WH...

Страница 80: ...ENT CODE PC 9 PIN CONNECTOR HTR HEATER ELEMENT TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OR NON RESETTING THERMOSTAT OP OVERLOAD PROTECTION 0140L02286 A T2 COM NO T1 BK BK BK BK BK BK WH BL RS...

Страница 81: ...LTAGE MODEL EHK4 46 EHK7 46 COMPONENT CODE PC 9 PIN CONNECTOR HTR HEATER ELEMENT TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OR NON RESETTING THERMOSTAT OP OVERLOAD PROTECTION CT CONTACTOR 0140L0...

Страница 82: ...TER ELEMENT TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OR NONRESETTING THERMOSTAT OP OVERLOAD PROTECTION 01 40L01 001 A BR YL RD BK M1 M2 OP TL TL TL HTR 3 HTR 2 FL FL HTR 1 FL RS 2 M3 M4 RS 1 M...

Страница 83: ...FL FUSE LINK OR NONRESETTING THERMOSTAT OP OVERLOAD PROTECTION 0140L02285 A BR YL RD BK M1 M2 OP TL TL TL HTR 3 HTR 2 FL FL HTR 1 FL RS 2 M3 M4 RS 1 M1 YL M2 RD BK OP L3 L2 L1 OP YL RD BK M1 M2 OP TL...

Страница 84: ...0 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 CT CONTACTOR 0140L02356 A OP TL TL TL...

Страница 85: ...E LINK OR NONRESETTING THERMOSTAT OP OVERLOAD PROTECTION 0140L01000 A WH BL RS 4 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 OP L1 L2 L3 OP BK RD M2 YL M1 RS 1 M4 M3 RS 2 F...

Страница 86: ...E LINK OR NONRESETTING THERMOSTAT OP OVERLOAD PROTECTION CT CONTACTOR 0140L02358 A RS1 M2 M1 BK BK PU PU WH BR BL 1 PC 2 3 4 5 6 7 8 9 OP L1 L2 L3 OP RD CT1 OP L1 LOW VOLTAGE WIRING CODE HIGH VOLTAGE...

Страница 87: ...1409 AND NEWER 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...

Страница 88: ...NNECTOR HTR HEATER ELEMENT TL THERMAL LIMIT RS RELAY SEQUENCER FL FUSE LINK OP OVERLOAD PROTECTION LOW VOLTAGE WIRING CODE HIGH VOLTAGE CT CONTACTOR MODEL EHK3 46 RS1 9 8 7 6 5 4 3 2 PC 1 BR BL BR WH...

Страница 89: ...SEQUENCER FL FUSE LINK OP OVERLOAD PROTECTION LOW VOLTAGE WIRING CODE HIGH VOLTAGE CT CONTACTOR MODEL EHK3 60 RS1 9 8 7 6 5 4 3 2 PC 1 BR BL BR WH PU PU BL M 1 M 2 BL WH CT3 CT2 CT1 CT4 BR BL BL WH BK...

Страница 90: ...OW VOLTAGE WIRING CODE HIGH VOLTAGE CT CONTACTOR MODEL EHK3 75 RS1 9 8 7 6 5 4 3 2 PC 1 BR BL BR WH PU PU BL M 1 M 2 BL WH CT4 CT3 CT2 CT5 BR BL BL WH BK RD YL BK FL HTR 3 FL FL HTR 2 HTR 1 TL TL TL R...

Страница 91: ...ng EHK4 31 EHK7 31 FOR UNITS WITH SERIALS 1409 AND NEWER 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 SEQUE...

Страница 92: ...AND NEWER COMPONENT CODE 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...

Страница 93: ...ENT 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 WH BR BL 1 PC 2...

Страница 94: ...ENT 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 BK BK PU PU WH BR BL...

Страница 95: ...95 DBC COMMERCIAL 15 25 Ton Packaged Air Conditioner Unit WIRING DIAGRAMS...

Страница 96: ...RVICING 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 wiring diagram...

Страница 97: ...RVICING 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 wiring diagram...

Страница 98: ...RELAY BC EBTDR PLM OPTIONAL HIGH VOLTAGE BLOWER RELAY COMPRESSORCONTACTOR RELAY CCR COMPRESSORCONTACTOR CONDENSERMOTOR COMPRESSO R ECONO MIZER EVAPORATOR MOTOR HIGHPRESSURESWITCH LOW PRESSURESWITCH PO...

Страница 99: ...LM TO ECON PLF 3 TB3 LOW VOLTAGE TERMINAL BLOCK 4 TERMINALS FOR 24VAC PWR RD BK BR WIRE AND 6 TERMINALS FOR 24VAC COM BL WIRE 4 CONNECTIONS SHOWN ARE FOR 1 STAGE HEAT OPERATION WHEN 2 STAGE OPERATION...

Страница 100: ...100 DBG COMMERCIAL 15 25 Ton Packaged Gas Electric Unit WIRING DIAGRAMS...

Страница 101: ...W2 O YL POWER SUPPLY SEE NOTE 4 208V 240V 3 ph 60Hz SEE NOTE 7 TO THERMOSTAT LOW SPEED CB2 L2 T3 L1 T2 L3 T1 HIGH SPEED CB1 L2 T3 L1 T2 L3 T1 OR RD BK GY BL YL YL BL GY BK RD OR L3 T3 L2 CC1 L1 T1 T2...

Страница 102: ...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 wiring diag...

Страница 103: ...SUPPLY SEE NOTE 4 460V 575V 3 ph 60Hz SEE NOTE 7 TO THERMOSTAT LOW SPEED CB2 L2 T3 L1 T2 L3 T1 HIGH SPEED CB1 L2 T3 L1 T2 L3 T1 OR RD BK GY BL YL YL BL GY BK RD OR L3 T3 L2 CC1 L1 T1 T2 L3 T3 L2 CC2 L...

Страница 104: ...ERVICING 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 wiring diagra...

Страница 105: ...E SENSER FLAME ROLLOUT BAD SWITCH AUX LIMIT OPEN CHECK PRESSURE SWITCH CHECK PRESSURE SWITCH MAIN LIMIT OPEN BAD SWITCH STICKING GAS VALVE 3 MIN COMP ANTI CYCLE TIMER L2 L3 L1 L2 L3 L1 IIC DIAGNOSTIC...

Страница 106: ...IIC DIAGNOSTIC BLINK CODES LINE VOLTAGE YL RD BK PU OR 6 6 SEE ACCESSORY KIT LITERATURE FOR OPTIONAL CONVENIENCE OUTLET WIRING DIAGRAM POWER DIAGRAM DCG300 4 7 F L P M L P PLM PLF BK RD PU L1 L2 L3 T...

Страница 107: ...OPTIONAL ECONOMIZER IS INSTALLED REMOVE ECON SHRT PLM AND CONNECT ECON PLM TO ECON PLF 3 TB3 LOW VOLTAGE TERMINAL BLOCK 4 TERMINALS FOR 24VAC PWR RD BK BR WIRE AND 6 TERMINALS FOR 24VAC COM BL WIRE 4...

Страница 108: ...Daikin is very interested in all product comments Please fill out the feedback form on the following link https daikincomfort com contact us You can also scan the QR code on the right to be directed...

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