Daikin DBC Series Service Instructions Manual Download

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UNIT WIRING DIAGRAMS

105

H V

SCO

NNE

ER BE

ERV

ICI

R I

. M

IPL

E PO

ES M

AY B

E P

ESEN

CAUS

E P

Y DAM

ERS

NAL

INJ

Y O

R DE

Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.

DBG300XXX3(B,V)***AB

0140L04897 -A

NOTES:

1. REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL (USE COPPER CONDUCTORS ONLY).

2. THE CONTROL TRANSFORMER HAS MULTIPLE HIGH VOLTAGE TAPS.

ENSURE WIRE CONNECTIONS ARE CORRECT FOR UNIT SUPPLY VOLTAGE RATING

COMP 1

COMP 2

3. 208/230V SUPPLY POWER UNITS ARE FACTORY CONNECTED TO THE CONTROL TRANSFORMER 240V TAP.

MOVE WIRE CONNECTION FROM 240V TAP TO 208V TAP WHEN 208V POWER SUPPLY IS USED.

CCAS1

CMC 1

CCAS2

CMC 2

BC1

BC 2

FB 2

FB 1

CC2

CC1

CCH1

CCH2

YL (11)

BK (1)

BK (2)

BK (3)

YL (13)

YL (12)

4. SEE CONTROL DIAGRAM FOR CONTROL TRANSFORMER LOW VOLTAGE CONNECTIONS

5. OPTIONAL; CB1,CB2,BC2 AND ASSOCIATED WIRING IS PRESENT ONLY WITH 2-SPEED EVAPORATOR MOTOR.

GND

6. USE COPPER CONDUCTORS ONLY. UNIT TERMINALS ARE NOT DESIGNED FOR OTHER CONDUCTORS.

THE USE OF OTHER TYPE CONDUCTORS MAY CAUSE DAMAGE TO THE UNIT.

CM1

CM2

STATUS LIGHT

EQUIPMENT STATUS

CHECK

OFF

1 BLINK

2 BLINKS

3 BLINKS

4 BLINKS

5 BLINKS

6 BLINKS

NORMAL OPERATION

NO POWER OR

INTERNAL CONTROL

IGNITION FAILURE

OPEN ROLLOU T SWITCH

OPEN AUX LIMIT SWITCH

PRESSURE SWITCH OPEN

PRESSURE SWITCH CLOSED

WITHOUT INDUCER ON

OPEN LIMIT SWITCH

FALSE FLAME SENSED

COMPRESSOR OUTPUT

DELAY

CHECK INPUT POWER

CHECK FUSE ON CONTROL

REPLACE CONTROL

GAS FLOW

GAS PRESSURE

GAS VALVE

FLAME 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

-------

IIC DIAGNOSTIC BLINK CODES

LINE VOLTAGE

7. SEE ACCESSORY KIT LITERATURE FOR OPTIONAL CONVENIENCE OUTLET WIRING DIAGRAM.

POWER DIAGRAM

DCG300***3

PLM

PLF

LAC MC

CB2

LOW

SPEED

CB1

HIGH

SPEED

T2 T1

8. IF LOW AMBIENT KIT INSTALLED, DISCONNECT CONDENSER MOTOR WIRES (BK,BR,YL) FROM CMC1 (T1,T2,T3)

AND CONNECT TO CORRESPONDING BK,BR,YL WIRES ON LOW AMBIENT HARNESS (INSULATED MALE QUICK CONNECT).

ALSO CONNECT LOW AMBIENT HARNESS WIRES (BK,BR,YL) (INSULATED FEMALE QUICK CONNECT) TO T1,T2,T3 ON CMC1.

BLOWER CONTACTOR

PLM

OPTIONAL

HIGH VOLTAGE

BLOWER RELAY

COMPRESSOR CONTACTOR RELAY

CCR

COMPRESSOR CONTACTOR

CONDENSER MOTOR

COMPRESSOR

ECONOMIZER

EVAPORATOR MOTOR

HIGH PRESSURE SWITCH

LOW PRESSURE SWITCH

POWER DISTRIBUTIONBLOCK

FEMALE PLUG / CONNECTOR

LOW VOLTAGETERMINAL BLOCK 1
CONTROL TRANSFORMER

(LINE VOLTAGE/24VAC)

COMP

ECON

HPS

LPS

PLF

TB1

TR1

COMPONENT LEGEND

LOW VOLTAGE

LINE VOLTAGE

FIELD WIRING

LOW VOLTAGE

FACTORY WIRING

HIGHVOLTAGE

GR GREEN

WIRE CODE

BLUE

PURPLE

PINK

WH WHITE

BLACK

RED

BROWN

OR ORANGE

YELLOW

GY GRAY

CIRCUIT BREAKER

CRANK CASE HEATER

CCH

MALE PLUG / CONNECTOR

LOW VOLTAGETERMINAL BLOCK 3

TB3

CONDENSER MOTOR CONTACTOR

CMC

CC AUX SWITCH

CCAS

CM/CCH/TR1 FUSE BLOCK

FB1

EM FUSE BLOCK

FB2

CM/CCH/TR1 FUSES

F1, F2, F3

EM FUSES

F4, F5, F6

CONDENSER MOTOR RELAY

CMR

EVAPORATOR FREEZE STAT

MODULE

LACMC

LOW AMBIENT CONDENSER MOTOR

CONTACTOR

LAM

LOW AMBIENT MODULE

LAR

LOW AMBIENT RELAY

LOW AMBIENT TIMER

LAT

IGN

LINE

VOLTAGE

24V CNTL

VOLTAGE

TR1

2,3

IIC

IGN

VMR

INTEGRATED IGNITION CONTROL

IGNITOR

GAS VALVE

IIC

IGN

AUXILLARY LIMIT SWITCH

LIMIT SWITCH

EQUPIMENT GROUND

ALS

GND

ROLLOUT SWITCH

VENT MOTOR TRANSFORMER

(LINE VOLTAGE/230VAC)

TR2

VENT MOTOR

IIC 24V POWER FUSE

VENT MOTOR RELAY

VMR

FLAME SENSOR

Summary of Contents for DBC Series

Page 1: ...ICE 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 THE EQUIPMENT SPECIFIED IN THIS MANUAL ONLY LICENSED PERSONNEL SHOULD SERVICE THE EQUIPMENT IMPROPER INSTALLATION ADJUSTMENT SERVICING OR REPAIR OF THE EQUIPMENT SPECIFIED IN THIS MANUAL OR ATTEMPTI...

Page 2: ...mmable 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 serves your comfort equipment CONSUMER INFORMATION LINE DAIKIN BRAND PRODUCTS TOLL FREE 1 855 770 5678 U S only email us at customerservice daikindaikinac com fax us at 713 856 1821 Not a technical ass...

Page 3: ...ce 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 in the vicinity Death or serious bodily injury could occur Under no circumstances is a hermetic compressor to be elec trically energized and or operated without having the terminal protective cover pr...

Page 4: ...S 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 convenience outlet C Hinge Panels D Hinged Panels and Powered convenience outlet E Hinged Panels and non powered convenience outlet Electrical X A B Phase Monitor E Non Fused Disconnect and Phase Monitor Ec...

Page 5: ...must 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 elevate the unit to avoid these problems When the unit is heating the temperature of the return air entering the unit must be between 50 F and 100 F Ground Level Installations Only When the unit is i...

Page 6: ...y 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 placement is not recommended ALL CURBS LOOK SIMILAR TO AVOID INCORRECT CURB POSITIONING CHECK JOB PLANS CAREFULLY AND VERIFY MARKINGS ON CURB ASSEMBLY INSTRUCTIONS MAY VARY IN CURB STYLES AND SUPERCE...

Page 7: ...re 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 size to prevent excessive voltage drop Wires should be sized for a maximum of 3 voltage drop TO AVOID PROPERTY DAMAGE OR PERSONAL INJURY DUE TO FIRE USE ONLY COPPER CONDUCTORS CAUTION TO PREVENT IMPROP...

Page 8: ... improper 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 thermostat must be installed for unit operation It may be purchased with the unit or field supplied Ther mostats may be programmable or electromechanical as required 2 Locate thermostat or remote sensor...

Page 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 to product could expose California to cause contains a chemical Fiberglass insulation cancer B14933 239 call a qualified service technician will not operate don t try to repair it gas If you then sme...

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

Page 11: ...od 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 the batteries This type of thermostat may interfere with the operation of the ignition control module and should not be used HIGH VOLTAGE Disconnect ALL power before servicing or installing this unit M...

Page 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 Z223 1 Natural Gas Connection 1 2 3 4 1 1 1 4 1 1 2 10 132 278 520 1050 1600 20 92 190 350 730 1100 30 73 152 285 590 980 40 63 130 245 500 760 50 56 115 215 440 670 60 50 105 195 400 610 70 46 96 180 3...

Page 13: ...Y 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 INJURY BE SURE THERE IS IN THE VICINITY DURING AIR BLEEDING NO OPEN FLAME WARNING There will be air in the gas supply line after testing for leaks on a new installation Therefore the air must be bled f...

Page 14: ...AL 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 First and Second Stage Regulator Maximum Propane Capacities listed are based on 1 PSIG Pressure Drop at 10 PSIG Setting Capacities in 1 000 BTU HR 3 8 1 2 5 8 3 4 7 8 1 2 3 4 30 309 700 1 303 2 205 3 39...

Page 15: ...will 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 With all units on a common line operating under full LP gas main supply pressure should be at least 11 0 w c and must be no greater than 14 0 w c measured at the unit gas valve Unit will not function...

Page 16: ...ractor 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 installation instructions All electric power all gas hot water or steam line con nections and the condensate drain installation have been made to each unit on the job These main supply lines must be functi...

Page 17: ...otor 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 preliminary check of evaporator fan ampere draw and verify that motor nameplate amps are not exceeded A final check of amp draw should be made upon completion of air balancing of the duct system 2 SPE...

Page 18: ...ated 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 period the ignition control energizes the Wl C gas valve and simultaneously initiates a three 3 try spark ignition sequence 6 When the burners are ignited a minimum four 4 mi cro amp DC current will flow ...

Page 19: ...d 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 COOL starts The blower both fans and both compressors should now be operating Allow the unittorun10minutes makesurecoolairisbeingsupplied by the unit 8 Turn the temperature setting to the highest posi...

Page 20: ...NT 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 of dirty filters Filters must be replaced at least every three 3 months during operating seasons Dirty filters are the most common cause of inadequate heating or cooling performance Filter inspectio...

Page 21: ...ss 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 cleaning Flamesshouldbestable softandblue dustmaycauseorange tips but must not be yellow The flames must extend directly outward from the burner without curling floating or lifting off Burner Flame TO AVOI...

Page 22: ...ntacts 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 Improper Cooling Anticipator Check Resistance of Anticipator S 3B Shortage of Refrigerant Test For Leaks Add Refrigerant S 101 103 Restricted Liquid Line Remove Restriction Replace Restricted Part S ...

Page 23: ...04 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 Gas Valve S 304 Open Auxillary Limit Check Blower Speed Rotation Belt Pulleys Duct Static Filter S16A 16D 200 201 205 206 207 Improper Air Flow or Distribution Check Blower Speed Rotation Belt Pulley...

Page 24: ...peration 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 35 S 104 Checking Compressor Efficiency 36 S 106 Overfeeding 36 S 109 Checking Subcooling 37 S 112 Checking Restricted Liquid Line 37 S 113 Refrigerant Overcharge 37 S 114 Non condensables 37 S 115 Co...

Page 25: ...the 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 power company in regards to either low or high voltage Voltage Min Max 208 230 198 253 460 437 506 575 546 604 Unit Supply Voltage Three phase units require a balanced 3 phase power supply to operate If ...

Page 26: ...e 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 in the ther mostat During the off cycle it heats the bimetal element helping the thermostat call for the next cooling cycle This prevents the room temperature from rising too high before the system is...

Page 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 of the line L1 leaving 115 volts to ground present at most internal components 1 Remove the leads from the holding coil 2 Using an ohmmeter test across the coil terminals If the coil does not test con...

Page 28: ...be 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 resistance from NO to COM Should read open Next check for resistance from NC to COM Should read closed 3 If not as above replace EBTDR Checking EBTDR Contact Operation With power on 1 Set the thermosta...

Page 29: ...t 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 continuity using a VOM and if not as above replace the control S 15 CHECKING CAPACITOR CAPACITOR RUN A run capacitor is wired across the auxiliary and main wind ings of a single phase permanent split capaci...

Page 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 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 do so may cause property damage persona...

Page 31: ...SSOR 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 physical abuse or as a result of an electrical short between the terminal and the compressor housing the terminal may be expelled venting the vapor and liquid contents of the compressor housing and ...

Page 32: ...n 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 the terminal protective cover in place it is acceptable to replace the fuse or reset the circuit breaker ONE TIME ONLY to see if it was just a nuisance opening If it opens again DO NOT continue to re...

Page 33: ...ntinuity 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 Cooling Performance Test If the test shows a Below normal high side pressure b Above normal low side pressure c Low temperature difference across coil d Low amp draw at compressor And the charge is c...

Page 34: ...to 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 evacuation S 102 EVACUATION WARNING REFRIGERANT UNDER PRESSURE Failure to follow proper procedures may cause property damage personal injury or death This is the most important part of the entire service ...

Page 35: ...l 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 will take close the valve on the high side of the charging manifold 3 Start the system and charge the balance of the refrigerant through the low side NOTE R410A should be drawn out of the storage co...

Page 36: ...ng 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 to the cooling performance charts in the spec sheet manual 2 Check the operation of the power element in the valve as explained in S 110 Checking Expansion Valve Operation 3 Check for restricted or pl...

Page 37: ...alizer 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 the liquid line is restricted a definite temperature drop will be noticed at the point of restriction In severe cases frost will form at the restriction and extend down the line in the direction of t...

Page 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 12 6 168 0 59 0 270 0 88 9 372 0 111 6 474 0 130 0 612 0 150 6 68 13 8 170 0 59 8 272 0 89 4 374 0 112 0 476 0 130 3 616 0 151 2 70 15 1 172 0 60 5 274 0 89 9 376 0 112 4 478 0 130 7 620 0 151 7 72 1...

Page 39: ...99 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 94 384 106 104 102 100 98 96 395 108 106 104 102 100 98 406 110 108 106 104 102 100 416 112 110 108 106 104 102 427 114 112 110 108 106 104 439 116 114 112 110 108 106 450 118 116 114 112 110 108 462 ...

Page 40: ...system 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 drop across the suction line drier If the pressure drop never exceeds the 6 PSIG the drier has trapped the contaminants Remove the suction line drier from the system 8 If the pressure drop becomes gr...

Page 41: ...stalled 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 minimum and maximum force To determine the deflection distance from the normal position use a straightedge or stretch a cord from sheave to sheave to use as a reference line On multiple belt drives an adj...

Page 42: ...ROL 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 to the specification section to determine the proper limit cutout temperature for the model being serviced In all instances the limit control is wired in series with the ignition control If the tempe...

Page 43: ...gain 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 DCGunitsareequippedwithatemperature activatedmanual resetcontrol Thiscontrolismountedtothemanifoldassembly and is wired in series with the auxiliary limit and gas valve The control is designed to open shou...

Page 44: ...s 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 either the collector box combustion blower or flue outlet is obstructed If the combustion blower or flue outlet is obstructed thepressureswitchshouldhaveopenedpreventing the unit from firing also inspect...

Page 45: ...ifice 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 of gas stream No resizing should be attempted until all factors are taken into consideration such as inlet manifold gas pressure alignment and positioning specific gravity and BTU content of the gas ...

Page 46: ...ssure 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 should be 3 5 3 w c For PROPANE GAS a Inlet pressure should be a nominal 11 w c b 2 stage heat modles only Manifold pressure for 2 stage heating models on low stage should be 6 w c c Manifold pressur...

Page 47: ...roperty 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 replace control 3 Remove the pressure control hose from the control and interconnect with an inclined manometer as shown PRESSURE SWITCH INCLINED MANOMETER 1 4 COPPER TEE HOSE TO J TUBE Reconnect wires...

Page 48: ...cks 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 code 2 and waits for the pressure switch to close Once the pressure switch is closed the LED stops flashing and the control begins timing the 15 second pre purge 3 2 1 6 5 4 9 8 7 12 11 10 L2 L2 L2 L...

Page 49: ...blower 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 on top of the circulator blower assembly Check rollout limit If the burner flames are not properly drawn into the heat exchanger the flame rollout protection device will open Possible causes are res...

Page 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 this unit Multiple power sources may be present Failure to do so may cause property damage personal injury or death 1 Disconnect the flame sensor wire from terminal FS of the ignition control module Fl...

Page 51: ...51 ACCESSORIES GAS ELECTRIC ...

Page 52: ...ACCESSORIES 52 GAS ELECTRIC ...

Page 53: ...53 ACCESSORIES ...

Page 54: ...ACCESSORIES 54 ...

Page 55: ...CURB 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 25 FRESH AIR DAMPER ...

Page 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 424651141 575V 15 25 Ton POWER EXHAUST ...

Page 57: ...R 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 wiring diagram on the unit for the most up to date wiring ECONOMIZER ...

Page 58: ...ONV 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 H3 ON TRANSFORMER 406V AND 575V UNITS WILL LEVE FACTORY WITH BK WIRE CONNECTED TO HI 2 FOR 575V MODELS BK WILL GO TO X1 ON TRANSFORMER AND WH WILL GO TO X3 LEGEND CC COMPRESSOR CONTACT TRAN OUTLET TRA...

Page 59: ...FOR 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 TO H4 2 FOR 575v MODELS BK WILL GO TO X1 ON TRANSFORMER AND WH WILL GO TO X3 LEGEND CC COMPRESSOR CONTACTOR TRAN OUTLET TRANSFORMER OB OUTLET BREAKER GFI CO GROUND FAULT INTERUPTED CONVENIENCE OUTLET...

Page 60: ...LOSE 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 TEMPERATURE FALL PACKAGE UNIT LOW VOLTAGE JUNCTION BOX BLUE BROWN WHITE ORANGE GREEN YELLOW RED SEE NOTE 1 18 GAUGE 8 WIRE FOR HEAT PUMPS PACKAGE SYSTEM WIRING DIAGRAM 2 STAGE ELECTRIC HEAT ABOVE 10 KW SEE NOT...

Page 61: ...NOTE 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 THE SELECT JUMPER MUST BE IN THE NORMALLY CLOSED POSITION FOR NON ENERGIZED REVERSING VALVE DURING HEATING 3 WIRING DIAGRAM SHOWS CONTROLLER CONNECTION FOR 120 TO 277 VOLTS SUPPLY FOR 480 600 VOLTAPP...

Page 62: ...s 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 HARD START PROBE S3 PROBE S1 PROBE S2 24 VAC HEAT PUMP N C HEAT PUMP ICM CONTROLS LINE 1 MOTOR 1 NOTICE The cut out speed hard start settings are factory preset Changing those settings may cause earl...

Page 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 INSTALLED DISCONNECT DISCONNECT SUPPLY VOLTAGE 0140L01645 A C L1 L2 L3 SUPPLY VOLTAGE FACTORY WIRING FIELD WIRING LINE VOLTAGE HIGH VOLTAGE ...

Page 64: ...K 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 REMOVED AND REPLACED WITH WIRES SHOWN 2 NUMBER OF SENSORS MAY VARY DEPENDING ON WHICH KIT IS INSTALLED 3 XREL AND DASHED WIRES ARE ONLY USED ON MODEL NUMBERS CPG0601403D CPG0600903D CPC060XXX3D AND C...

Page 65: ...140L05994 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 RD OR OR BK RD TB1 DH T1 T2 T3 T4 T5 REMOVE S1 S2 JUMPER PK BL S1 S2 R C G W1 W2 Y1 Y2 O PK PK BL PK PHASE MONITOR WIRING NO SMOKE DETECTOR NOTES 1 ENSURE THAT THE PIGGY BACK WIRES ARE NOT TOUCHING T...

Page 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 T2 T3 T4 T5 REMOVE S1 S2 JUMPER PK BL S1 S2 R C G W1 W2 Y1 Y2 O PK PK BL PK FIELD WIRING LOW VOLTAGE PHASE MONITOR WIRING WHEN UNIT EQUIPPED WITH SMOKE DETECTOR NOTES 1 ENSURE THAT THE PIGGY BACK WI...

Page 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 EHK3 46 5250 EHK4 46 5250 EHK7 46 5250 EHK3 60 5250 EHK4 60 5250 EHK7 60 5250 EHK3 31 7000 EHK4 31 7000 EHK7 31 7000 20 TON EHK3 46 7000 EHK4 46 7000 EHK7 46 7000 25 TON EHK3 60 7000 EHK4 60 7000 EHK7...

Page 68: ...G 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 unit for the most up to date wiring EHK3 31 FOR UNITS WITH SERIALS BEFORE 1409 ...

Page 69: ...E 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 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 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 Y...

Page 70: ...T 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 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 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...

Page 71: ...GE 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 BK YL YL L1 OP TL TL TL HTR 3 HTR 2 FL FL HTR 1 FL CT1 OP L3 L2 L1 OP RS1 9 8 7 6 5 4 3 2 PC 1 BR BL BR WH PU PU BL M1 M2 BL WH L2 L3 RD RD RD BK YL BK BK YL YL L1 OP TL TL TL HTR 3 HTR 2 FL FL HTR ...

Page 72: ...FL 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 M2 OP L3 L2 L1 OP 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 TL TL TL HTR 3 HTR 2 FL FL HTR...

Page 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 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 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 TL ...

Page 74: ...T 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 1 FL OP L3 L2 L1 OP BK BK BK YL YL OP TL TL TL HTR 3 HTR 2 FL FL HTR 1 FL OP L3 L2 L1 OP BK BK YL YL RD OP TL TL TL HTR 3 HTR 2 FL FL HTR 1 FL OP L3 L2 L1 OP BK BK YL RD OP TL TL TL HTR 3 HTR 2 FL FL...

Page 75: ...ION 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 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 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 YL YL ...

Page 76: ...LINK 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 RD L1 OP TL TL TL HTR 3 HTR 2 FL FL HTR 1 FL OP OP L2 L3 RD BK YL BK BK YL YL RD L1 OP TL TL TL HTR 3 HTR 2 FL FL HTR 1 FL OP L3 L2 L1 OP L2 L3 RD BK YL BK BK YL YL RD L1 OP TL TL TL HTR 3 HTR 2 FL ...

Page 77: ...EFORE 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 diagram on the unit for the most up to date wiring EHK4 31 EHK7 31 ...

Page 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 unit for the most up to date wiring EHK4 31 EHK7 31 FOR UNITS WITH SERIALS BEFORE 1409 ...

Page 79: ...K4 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 BL RS 4 M2 M1 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 FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL OP M2 M1 BK RD YL OP L1 L2 L3 OP BK RD M2 YL M1 RS 1 M4 M3 RS 2 FL...

Page 80: ...NENT 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 4 M2 M1 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 FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL OP M2 M1 BK RD YL OP L1 L2 L3 OP BK RD M2 YL M1 RS 1 M4 M3 RS 2 FL HTR 1 ...

Page 81: ...OLTAGE 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 0140L02354 A BK BK BK BK BK BK WH RS 1 M2 M1 PU PU WH BR BL 1 2 3 4 5 6 7 8 9 OP L1 L2 L3 OP FL FL FL OP OP L1 L2 L3 OP FL FL FL OP OP L1 L2 L3 OP RD FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL OP RD YL BK YL BK R...

Page 82: ...ATER 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 M1 YL M2 RD BK OP L3 L2 L1 OP 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 TL TL HTR 3 HTR 2 FL FL HTR 1 FL RS 2 M3 M4 RS 1 ...

Page 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 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 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...

Page 84: ...60 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 HTR 3 HTR 2 FL FL HTR 1 FL OP L3 L2 L1 OP 9 8 7 6 5 4 3 2 PC 1 BL BR WH PU PU M1 M2 RS 4 WH BK BK RD YL BK RD YL BK OP TL TL TL HTR 3 HTR 2 FL FL HTR 1 FL OP L3 L2 L1 OP BK BK RD YL BK RD YL BK OP TL...

Page 85: ...SE 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 FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL OP M2 M1 BK RD YL OP L1 L2 L3 OP BK RD M2 YL M1 RS 1 M4 M3 RS 2 FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL OP M2 M1 BK RD YL OP L1 L2 L3 OP BK RD M2 YL M1 RS 1 M4 M3 RS 2 ...

Page 86: ...SE 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 L2 L3 RD BK YL TL TL TL HTR 1 HTR 2 BK YL BK BK OP L1 L2 L3 OP RD CT2 OP L1 L2 L3 RD BK YL TL TL TL BK YL BK BK OP L1 L2 L3 OP RD CT3 OP L1 L2 L3 RD BK YL TL TL TL BK YL BK BK OP L1 L2 L3 OP RD CT4 O...

Page 87: ...S 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 RD 9 WH 8 7 6 BL 5 4 3 2 PC 1 BK FL HTR 3 FL FL HTR 2 HTR 1 TL TL TL YL BK RD YL RD BK FL HTR 6 FL FL HTR 5 HTR 4 TL TL TL RD YL PU PU BR BK RD RD YL BK YL BK RD RD YL BK YL RS1 CT2 CT1 BK BL BL WH B...

Page 88: ...ONNECTOR 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 PU PU BL M1 M2 BL WH CT3 CT2 BL WH BK RD YL BK FL HTR 3 FL FL HTR 2 HTR 1 TL TL TL RD RD YL BK BK FL HTR 6 FL FL HTR 5 HTR 4 TL TL TL RD YL YL RD BK BK FL FL FL TL TL TL RD YL YL RD BK HTR 9 HTR 8 HT...

Page 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 RD YL BK FL HTR 3 FL FL HTR 2 HTR 1 TL TL TL RD RD YL BK BK FL HTR 6 FL FL HTR 5 HTR 4 TL TL TL RD YL YL RD BK BK FL FL FL TL TL TL RD YL YL RD BK BK FL FL FL TL TL TL RD YL YL RD BK HTR 9 HTR 8 HTR...

Page 90: ...LOW 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 RD RD YL BK BK FL HTR 6 FL FL HTR 5 HTR 4 TL TL TL RD YL YL RD BK BK FL FL FL TL TL TL RD YL YL RD BK BK FL FL FL TL TL TL RD YL YL RD BK HTR 9 HTR 8 HTR 7 HTR 12 HTR 11 HTR 10 0140L04072 A LC 1 2 LC ...

Page 91: ...ing 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 SEQUENCER FL FUSE LINK OR NON RESETTING THERMOSTAT OP OVERLOAD PROTECTION WH M2 M1 BK BK BK BK PU PU WH BR BL 1 PC 2 3 4 5 6 7 8 9 FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL B...

Page 92: ...9 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 MODEL EHK4 46 EHK7 46 WH M2 M1 BK BK BK BK BK BK PU PU WH BR BL 1 PC 2 3 4 5 6 7 8 9 FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL BR OP...

Page 93: ...NENT 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 3 4 5 6 7 8 9 FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL BR OP L1 L2 L3 OP BK RD YL OP OP L1 L2 L...

Page 94: ...NENT 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 1 PC 2 3 4 5 6 7 8 9 FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL FL HTR 1 FL FL HTR 2 HTR 3 TL TL TL OP L1 L2 L3 OP BK RD YL FL HTR 1 F...

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

Page 96: ...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 diagram on the unit for the most up to date wiring DBC180 240XXX 3 4 7 V A ...

Page 97: ...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 diagram on the unit for the most up to date wiring DBC180 240XXX 3 4 7 V A ...

Page 98: ... RELAY BC EBTDR PLM OPTIONAL HIGH VOLTAGE BLOWER RELAY COMPRESSORCONTACTOR RELAY CCR COMPRESSORCONTACTOR CONDENSERMOTOR COMPRESSO R ECONO MIZER EVAPORATOR MOTOR HIGHPRESSURESWITCH LOW PRESSURESWITCH POWER DISTR IBUTION BLOCK FEMALE PLUG CONNECTO R LOW VOLTAGE TERMINALBLOCK1 CONT ROL TRANSFOR MER LINEVOLTAGE 24VAC CC CM COMP ECON EM HPS LPS PB PLF TB1 TR1 COMPONENT LEGEND LOW VOLTAGE LIN E VOL TAGE...

Page 99: ...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 CONNECTIONS SHOWN ARE FOR 1 STAGE HEAT OPERATION WHEN 2 STAGE OPERATION IS REQUIRED REMOVE WH JUMPER WIRE CONNECTING W2 TO W1 ON TB1 5 IF OPTIONAL SMOKE DETECTOR IS INSTALLED REMOVE RD JUMPER WIRE CONNECTING S1 TO S2 ON TB1 AND MAKE THE FOLLOWING WIRE CONNECTIONS RD WIRE...

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

Page 101: ...1 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 L3 T3 L2 CC2 L1 T1 T2 L3 T3 L2 BC1 L1 T1 T2 L3 T3 L2 BC2 L1 T1 T2 T3 T2 T1 COMP 1 RD YL BK CCH1 T3 T2 T1 COMP 2 RD YL BK CCH2 C TR 24V 240 4 2 1 6 CCHR2 4 2 CCHR1 4 2 1 6 4 2 YL YL HPS2 LPS2 BL YL Y...

Page 102: ...E 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 diagram on the unit for the most up to date wiring DBG180 240XXX3V A ...

Page 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 L1 T1 T2 L3 T3 L2 BC1 L1 T1 T2 L3 T3 L2 BC2 L1 T1 T2 T3 T2 T1 COMP 1 RD YL BK CCH1 T3 T2 T1 COMP 2 RD YL BK CCH2 C TR 24V 4 2 1 6 4 2 4 2 1 6 4 2 YL BL YL BL PU BL YL YL NO NC 4 1 2 3 5 NO NC 4 1 2 3 ...

Page 104: ...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 diagram on the unit for the most up to date wiring DBG180 240XXX 4 7 V AB ...

Page 105: ...ME 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 BLINK CODES L1 L2 L3 LINE VOLTAGE YL RD BK PU OR 7 7 SEE ACCESSORY KIT LITERATURE FOR OPTIONAL CONVENIENCE OUTLET WIRING DIAGRAM POWER DIAGRAM DCG300 3 PLM PLF F L P M L P PU L1 L2 L3 T1 T2 T3 LAC MC...

Page 106: ...R 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 T1 T2 T3 LAC MC YL BK BR BK BR YL T3 T2 T1 BR L1 L2 L3 T1 T2 T3 EM GY BL YL RD BL BK OR RD YL BK OR GY RD BK OR BC1 BC 2 YL 11 BK 1 BK 2 BK 3 YL 13 YL 12 GR 4 L1 L2 L3 T1 T2 T3 CB2 LOW SPEED L1 L2 L3 ...

Page 107: ...F 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 CONNECTIONS SHOWN ARE FOR 1 STAGE HEAT OPERATION WHEN 2 STAGE OPERATION IS REQUIRED REMOVE WH JUMPER WIRE CONNECTING W2 TO W1 ON TB1 5 IF OPTIONAL SMOKE DETECTOR IS INSTALLED REMOVE RD JUMPER WIRE C...

Page 108: ...K 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 to the feedback page ...

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