Daikin DRG0361DH00001S Service Instructions Manual Download Page 98

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ACCESSORIES WIRING DIAGRAMS

NNE

ICI

STA

LLI

UNI

LTI

PLE

RCE

ESEN

. F

CAU

PRO

DAM

NAL

INJ

URY

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

1. CONNEC

T T

4 PIN S

AFETY JUMPER P

LUG / O

THER OP

TIONA

SAF

ETY EQUI

2. CONNEC

T T

4 PIN S

AFETY P

LUG

THE UNI

/ OTHER OP

TIONA

SAF

ETY EQUI

BK BL OR PK PU RD

ACK

ORANG

PINK PURP

RED

LINE VOLTAGE

LOW VO

AGE

TE 1

TE 2

COMPR

SOR

CON

TAC

TOR

0140L071

69-A

PHA

SE M

ONI

TOR

GND

LINE

VOLTAGE

TO COM

PRE

SSOR

TOR

HIGH VO

LTAGE

OPT

IONA

L LOW VO

LTAGE

CHAS

SIS GROUND

ELD

IRING

FACTO

IRING

LOW VO

AGE

EARTH GROUND

COD

Phase Monitor - DBG Model

Summary of Contents for DRG0361DH00001S

Page 1: ...ocedures 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 attempting to install adj...

Page 2: ...by the manufacturer WARNING To prevent the risk of property damage personal injury or death do not store combustible materials or use gasoline or other flammable liquids or vapors in the vicinity of this appliance WARNING 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 dea...

Page 3: ...meets or exceeds 400 lbs When in doubt do not use cylinder WARNING System contaminants improper service procedure and or physical abuse affecting hermetic compressor electrical terminals may cause dangerous system venting The successful development of hermetically sealed refrigeration compressors has completely sealed the compressor s moving parts and electric motor inside a common housing minimiz...

Page 4: ...4 PRODUCT IDENTIFICATION NOMENCLATURE The model number is used for positive identification of component parts used in manufacturing Please use this number when requesting service or parts information ...

Page 5: ...t switch non fused is in the off position Return Air and or Supply Air Smoke Detectors Return air and or supply air smoke detectors are installed in the unit Hinged Access Panels Allows access to unit s major components Combined with latches for easy access to control box compressor filters and blower motor Available on all units Two speed indoor fan blower models are available on 6 71 2 81 2 10 1...

Page 6: ...D 1S15FI 6000 148 215 Electric Heat Kit Factory Installed 15 KW 240V 1PH W SCR 4 5 ton EHSD 1S16FI 6000 152 216 Electric Heat Kit Factory Installed 15 KW 240V 1PH W SCR 3 ton EHSD 1S22FI 6000 148 222 Electric Heat Kit Factory Installed 20 KW 240V 1PH W SCR 4 5 ton EHSD 3S05FI 6000 148 305 Electric Heat Kit Factory Installed 5 KW 240V 3PH W SCR 3 6 ton EHSD 3S10FI 6000 148 310 Electric Heat Kit Fac...

Page 7: ...ton EHSD 3S20 6000 148 320 Electric Heat Kit 20 KW 240V 3PH W SCR 5 6 ton EHSD 3S21 6000 152 320 Electric Heat Kit 20 KW 240V 3PH W SCR 4 6 ton EHSD 3S22 6000 152 322 Electric Heat Kit 20 KW 240V 3PH W SCR 4 5 ton EHSD 3S30 6000 148 330 Electric Heat Kit 30 KW 240V 3PH W SCR 6 ton EHSD 3S31 6000 152 331 Electric Heat Kit 30 KW 240V 3PH W SCR 6 ton EHSD 4S05 6000 148 405 Electric Heat Kit 5 KW 480V...

Page 8: ...Concentric Duct Adaptor Kit for 18 Dia Duct 3 6 ton 28 0270L01165 OA2 DKN12CA W00S 2 Position Motorized Damper 3 6 ton 40 0270L01166 OAM DKN12 W000 Manual Outdoor Air Damper 3 6 ton 24 MFFKT002FI N A Metal Frame Filter Kit 14x20x2 qty 4 3 4 ton MFFKT003FI N A Metal Frame Filter Kit 14x20x2 qty 2 20x20x2 qty 2 5 ton MFFKT004FI N A Metal Frame Filter Kit 20x20x2 qty 4 6 ton HAILGD036HE N A Condenser...

Page 9: ...N A 150 Amp Disconnect 3 6 ton 5 CONVOUTP36722 N A Convenience Outlets Powered 208 230 V 3 6 ton 42 CONVOUTP36724 N A Convenience Outlets Powered 460 V 3 6 ton 42 CONVOUTP36727 N A Convenience Outlets Powered 575 V 3 6 ton 42 CONVTOUTNP036072 N A Convenience Outlets Non Powered 3 6 ton 2 HGDRSMG01FI N A Hinged Access Panels 39 cabinet 3 ton HGDRSMG02FI N A Hinged Access Panels 43 cabinet 4 5 ton H...

Page 10: ...20x2 qty 4 3 4 ton MFFKT003FI N A Metal Frame Filter Kit 14x20x2 qty 2 20x20x2 qty 2 5 ton MFFKT004FI N A Metal Frame Filter Kit 20x20x2 qty 4 6 ton 0160L00268 172 112 371 High Efficiency MERV 8 Air Filter Kit 14x20x2 qty 4 on 3 4 ton qty 2 on 5 ton 3 5 ton 4 0160L00270 172 112 700 High Efficiency MERV 8 Air Filter Kit 20x20x2 qty 2 on 5 ton qty 4 on 6 ton 5 6 ton 4 0160L00204 91013 021420 High Ef...

Page 11: ...SD 1S15FI 6000 148 215 Electric Heat Kit Factory Installed 15 KW 240V 1PH W SCR 4 5 ton EHSD 1S16FI 6000 152 216 Electric Heat Kit Factory Installed 15 KW 240V 1PH W SCR 3 ton EHSD 1S22FI 6000 148 222 Electric Heat Kit Factory Installed 20 KW 240V 1PH W SCR 4 5 ton EHSD 3S05FI 6000 148 305 Electric Heat Kit Factory Installed 5 KW 240V 3PH W SCR 3 6 ton EHSD 3S10FI 6000 148 310 Electric Heat Kit Fa...

Page 12: ...S16 6000 152 316 Electric Heat Kit 15 KW 240V 3PH W SCR 3 ton EHSD 3S20 6000 148 320 Electric Heat Kit 20 KW 240V 3PH W SCR 5 6 ton EHSD 3S21 6000 152 320 Electric Heat Kit 20 KW 240V 3PH W SCR 4 6 ton EHSD 3S22 6000 152 322 Electric Heat Kit 20 KW 240V 3PH W SCR 4 5 ton EHSD 3S30 6000 148 330 Electric Heat Kit 30 KW 240V 3PH W SCR 6 ton EHSD 3S31 6000 152 331 Electric Heat Kit 30 KW 240V 3PH W SC...

Page 13: ... 24 x 48 with 16 dia collars 3 6 ton 32 0270L01603 1017 200A DKN Concentric Diffuser 24 x 48 with 18 dia collars 3 6 ton 35 0270L01335 0817 DKN12 16 Concentric Duct Adaptor Kit for 16 Dia Duct 3 6 ton 28 0270L01338 0817 DKN12 18 Concentric Duct Adaptor Kit for 18 Dia Duct 3 6 ton 28 0270L01165 OA2 DKN12CA W00S 2 Position Motorized Damper 3 6 ton 40 0270L01166 OAM DKN12 W000 Manual Outdoor Air Damp...

Page 14: ...wn MODEL SIZE A B C D DDNSQRD3616 16 ROUND 13 50 31 125 19 50 13 50 DDNSQRD487218 18 ROUND 13 50 31 125 19 50 19 00 DOWNFLOW SQUARE TO ROUND ADAPTER Part Number Description Models A B C 0221L00014 Small Roof Curb 3 5 Ton 70 3 4 42 5 8 14 0221L00015 Small Roof Curb 3 5 Ton 70 3 4 42 5 8 24 0221L00019 14 Seismic Curb with Clips 3 5 Ton 70 5 8 42 1 2 14 0221L00020 14 Wind Rated Curb with Clips 3 5 To...

Page 15: ...odels 0270L01163 Horizontal Economizer UL LEAK JADE CONTROL DRY BULB 39 cabinet 3 5 Ton 0270L01759 Horizontal Economizer UL LEAK JADE ENTHALPY SENSOR 39 cabinet 3 5 Ton Horizontal Economizers 0270L01166 FILTER DOOR CONTROLLER IF APPLICABLE DRYB BULB ENTHALPY SENSOR IF APPLICABLE ACTUATOR FILTER PANEL MIXED AIR SENSOR SHIPS LOOSE IF APPLICABLE MOUNTS INSIDE DAIKIN UNIT HOOD SHIPPED FULLY ASSEMBLED ...

Page 16: ...39 cabinet 3 5ton 0270L01753 Vertical EconomizerStandard Low Leak JADEEthalpy Sensor 3 6ton 0270L01755 Vertical EconomizerUltra Low Leak JADEEthalpy Sensor 3 6ton 0270L01156 Vertical EconomizerStandard Low Leak JADEDry Bulb 3 6ton 0270L01158 Vertical EconomizerUltra Low Leak JADEDry Bulb 3 6ton Downflow Economizers 0270L01158 This is a Field Installed Kit CONTROLLER IF APPLICABLE DRYB BULB ENTHALP...

Page 17: ...TL ECNMZR 1 PHASE 230 V 3 5 Ton 0270L01168 POWER EXHAUST PROP VERTICL ECNMZR 1 PHASE 460 V 3 5 Ton 0270L01171 POWER EXHAUST PROP HORIZNTL ECNMZR 1 PHASE 460 V 3 5 Ton Power Exhaust FILTER DOOR 0270L01167 0270L01168 Vertical Orientation GASKET APPLIED TO MATING FILTER DOOR 0270L01170 0270L01171 Horizontal Orientation GASKET APPLIED TO MATING FLANGES ...

Page 18: ...er Description Models HAILGD036HE Condenser Coil Hail Guards 39 cabinet 3 5Ton HAILGD036HEFI Condenser Coil Hail Guards 39 cabinet Factory Installed 3 5Ton Hail Guard Kit HAILGD036HEFI is Factory Installed HAILGD036HE is Field Installed Kit ...

Page 19: ...19 ACCESSORIES FLUE EXTENSION KIT Part Number Description Models A HEFLUE036 Flue Extension 39 cabinet Gas only 3 5Ton Gas Only 271 2 Flue Extension Kit ...

Page 20: ...20 SYSTEM OPERATION ...

Page 21: ...into its seat forcing refrigerant to flow through the metered hole in the center of the orifice 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 Typical Package Cooling or Package Gas DRC DRG XXXXXXXXXXXXXX ...

Page 22: ... Typical Heat Pump System in Cooling Indoor Coil Accumulator Outdoor Coil Reversing Valve Energized Indoor Coil Accumulator Outdoor Coil Reversing Valve De Energized Typical Heat Pump System in Heating DRH XXXXXXXXXXXXXX ...

Page 23: ... 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 WARNING HIGH VOLTAGE Disconnect all power before servicing or installing this unit Multipl...

Page 24: ...ining chlorine or fluorine Common sources of such compounds include swimming pool chemicals and chlorine bleaches paint stripper adhesives paints varnishes sealers waxes which are not yet dried and solvents used during construction and remodeling Various commercial and industrial processes may also be sources of chlorine fluorine compounds The unit shall not be connected to a chimney flue serving ...

Page 25: ...Proper unit installation requires that the roof curb be firmly and permanently attached to the roof structure Check for adequate fastening method prior to setting the unit on the curb Full perimeter roof curbs are available from the factory and are shipped unassembled Field assembly squaring leveling and mounting on the roof structure are the responsibility of the installing contractor All require...

Page 26: ...lled to prevent flue gas recirculation See table below for the kit selection Model size Kit part number 3 ton HEFLUE036 4 5 ton HEFLUE048060 6 ton HEFLUE072 Flue Extension Kits Roof Curb Installation ROOF CURB POST INSTALLATION CHECKS After installation check the top of the curb duct connection frame and duct flanges to make sure gasket has been applied properly Gasket should be firmly applied to ...

Page 27: ...ed to the unit with shackles The distance between the crane hook and the top of the unit must not be less than 60 Two spreader bars must span over the unit to prevent damage to the cabinet by the lift cables Spreader bars must be of sufficient length so that cables do not come in contact with the unit during transport Remove wood struts mounted beneath unit base frame before setting unit on roof c...

Page 28: ...g this unit Multiple power sources may be present Failure to do so may cause property damage personal injury or death WARNING HIGH VOLTAGE To avoid personal injury or death due to electrical shock do not tamper with 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 assista...

Page 29: ...ational Electrical Code ANSI NFPA 70 and or the Canadian Electrical Code CSA C22 1 Part 1 A ground lug is provided for this purpose Do not use the ground lug for connecting a neutral conductor Connect power wiring to the electrical power block located within the main control box Gas Control box note depending on the options installed the location of the components may vary in some models WARNING O...

Page 30: ...r connecting thermostat wires to terminals on sub base DO NOT use larger than 18 AWG wire A transition to 18 AWG wire may be required before entering thermostat sub base NOTE Refer to unit wiring diagrams for thermostat or remote sensor connections GAS SUPPLY PIPING WARNING To prevent personal injury or death due to improper installation adjustment alteration service or maintenance refer to this m...

Page 31: ...ngs for the supply piping The use of a flex connector and or copper piping is permitted as long as it is in agreement with local codes 2 Use pipe joint compound on male threads only Pipe joint compound must be resistant to the action of the fuel used 3 Use ground joint unions 4 Install a drip leg to trap dirt and moisture before it can enter the gas valve The drip leg must be a minimum of three in...

Page 32: ...detect a propane gas leak Contact a local propane gas supplier about installing a gas detecting warning device IMPORTANT NOTE Propane gas conversion kits must be installed to convert units to propane gas NOx screens must be removed before converting to LP Remove burner assembly and pull NOx screens from each burner tube When all the screens are out reassemble the burner assembly without the screen...

Page 33: ...ressure is less than 5 0 w c or greater than 10 0 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 13 0 w c measured at the unit gas valve Unit will not function satisfactorily if supply gas pressure ...

Page 34: ...some moisture in them algae and fungus will grow due to airborne bacteria and spores Periodic cleaning is necessary to prevent this build up from plugging the drain STARTUP ADJUSTMENTS AND CHECKS WARNING 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 provided or other acceptable m...

Page 35: ...s are in place Input rate and temperature rise are adjusted per rating plate Roof Curb Installation Check Inspect the roof curb for correct installation The unit and curb assembly should be level Inspect the flashing of the roof mounting curb to the roof especially at the corners for good workmanship Also check for leaks around gaskets Note any deficiencies in a separate report and forward to the ...

Page 36: ... share the tap with PU WH can be moved to tap T3 as long as WH does not share the tap with BR Purple wire Y2 High Cool and Brown wire W2 High Heat are connected to TB1 T3 These wires can be moved together or separately and placed on unoccupied terminal T4 or T5 High Static Drive Motor These motors offer a higher flexibility in making airflow adjustments Depending on the application the motor is se...

Page 37: ...r death do not fire gas unit with flue box cover removed NOTE Except during brief periods when gas pressures are being measured by qualified service personnel the furnace access panel must always be secured in place when the furnace is in operation An inspection port in the access panel is provided to monitor the flame The first step in checking out the gas fired furnace is to test the gas supply ...

Page 38: ...1 0 W C Max 13 0 W C INLET GAS PRESSURE NOTE Inlet gas pressure must be within limits shown above If operating pressures differ from above make necessary pressure regulator adjustments check piping size etc and or consult with local utility Manifold Pressure Check and Adjustment The gas valve has a pressure tap to facilitate measurement of the manifold pressure The manifold pressure must be measur...

Page 39: ...the furnace temperature rise must be within the range specified on the unit data plate NOTE Thermal efficiency of the furnace is a product efficiency rating determined under continuous operating conditions independent of any installed system Manometer Manometer Hose High Fire Regulator Adjust Under Cap Screw Regulator Vent Gas Flow ON OFF white rodgers 2 Stage gas control valve connected to manome...

Page 40: ...d in the burner compartment Unless excessive temperatures or shipping shock have opened high limit control ALS power is fed to the integrated ignition control which then initiates a 15 second pre purge time delay During this period the venter fan will clear the combustion chamber of any residual gas 5 After the pre purge period the ignition control energizes the Wl C gas valve and simultaneously i...

Page 41: ... if a leak occurs and charge needs to be added to the system it is recommended to evacuate the system and recharge refrigerant to the unit s nameplate specifications This unit has been rated in the cooling mode at the AHRI rated conditions of indoor 80 F db 67 F wb and outdoor 95 F db While operating at this condition the superheat should range from 9 F to 11 F for each refrigeration circuit measu...

Page 42: ...om cooling setpoint to a value above the current room temperature will simulate a satisfied thermostat The compressor and the supply fan will cycle off 9 After a time delay of approximately 3 minutes the compressor control circuits will be ready to respond to a subsequent call for cooling Refrigeration Performance Check Check that compressor RLA corresponds to values shown in Appendix B RLA draw c...

Page 43: ...56 S 25 Testing Defrost Thermostat 56 S 50 Checking Heater Limit Control s 57 S 52 Checking Heater Elements 57 S 100 Refrigeration Repair Practice 57 S 101 Leak Testing nitrogen or nitrogen traced 58 S 102 Evacuation 58 S 103 Charging 59 S 104 Checking Compressor Efficiency 60 S 104 Checking Compressor Efficiency 60 S 106 Overfeeding 60 S 108 Superheat 60 S 109 Checking Subcooling 61 S 110 Checkin...

Page 44: ...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 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 1...

Page 45: ...on S 304 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 ...

Page 46: ...actor Start the unit and allow the compressor to run for several seconds then shut down the unit Immediately attempt to restart the unit while measuring the Locked Rotor Voltage 6 Voltmeter should read within 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 ...

Page 47: ...00 feet 14 125 feet 12 150 feet 12 S 3A Thermostat and Wiring WARNING Line Voltage now present With power ON thermostat calling for cooling 1 Use a voltmeter to check for 24 volts at thermostat wires C and Y in the unit control panel 2 No voltage indicates trouble in the thermostat or wiring 3 Check the continuity of the thermostat and wiring Repair or replace as necessary Indoor Blower Motor With...

Page 48: ...aters WARNING Disconnect ALL power before servicing 1 Remove control panel cover to gain access to transformer With power ON WARNING Line Voltage now present 2 Using a voltmeter check voltage across secondary voltage side of transformer R to C 3 No voltage indicates faulty transformer bad wiring or bad splices 4 Check transformer primary voltage at incoming line voltage connections and or splices ...

Page 49: ...oltage readings are not the same as in A replace contactor VOLT OHM METER CC Ohmmeter for testing holding coil Voltmeter for testing contacts T1 L1 T3 L3 T2 L2 TESTING COMPRESSOR CONTACTOR Three Phase S 9 Checking Fan Relay Contacts DSG The fan relays are incorporated into the control board See section S 313 for checking control board for single phase gas models For 3 phase and belt drive models t...

Page 50: ...sistance across relay terminals 2 and 4 Should read open 2 Turn power on 3 Apply 240 volts to coil terminals 1 and 3 4 Using a VOM check for 240 volts from terminals 3 and 1 of relay Should read 240 volts In no voltage check wiring from heater kit to relay If voltage present proceed to step 5 5 Using a VOM check for 240 volts from L1 at contactor to terminal 4 of relay Should read 240 volts Next c...

Page 51: ...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 windings of a single phase permanent split capacitor motor The c...

Page 52: ... wired in series with the start capacitor and the relay holding coil is wired parallel with the start winding As the motor starts and comes up to speed 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...

Page 53: ...nd the other probe in turn to each lead If the windings do not test continuous or a reading is obtained from lead to ground replace the motor S 16D Checking Eem Energy Efficient Motor Motors Applies only to units with EEM Motors The EEM Motor is a one piece fully encapsulated 3 phase brushless DC single phase AC input motor with ball bearing construction Unlike the ECM 2 3 2 5 motors the EEM featu...

Page 54: ...al ignition source Therefore proper evacuation of a hermetic system is essential at the time of manufacture and during servicing To reduce the possibility of external ignition all open flame electrical power and other heat sources should be extinguished or turned off prior to servicing a system S 17A Resistance Test Each compressor is equipped with an internal overload The line break internal over...

Page 55: ...problems indicated carefully remove the leads at the compressor terminals WARNING Damage can occur to the glass embedded terminals if the leads are not properly removed This can result in terminal and hot oil discharging Carefully retest for ground directly between compressor terminals and ground 5 If ground is indicated replace the compressor S 18 Testing crankcase heater Optional Item NOTE Not a...

Page 56: ...t within 21 seconds 4 Immediately remove jumper from test pins 5 Using VOM check for voltage across terminals C O Meter should read 24 volts 6 Using VOM check for voltage across fan terminals DF1 and DF2 on the board You should read line voltage 208 230 VAC indicating the relay is open in the defrost mode 7 Using VOM check for voltage across W2 C terminals on the board You should read 24 volts 8 I...

Page 57: ...l connected in series with each element to prevent overheating of components in case of low airflow This limit control will open its circuit at approximately 150 F to 160 F and close at approximately 110 F WARNING Disconnect ALL power before servicing 1 Remove the wiring from the control terminals 2 Using an ohmmeter test for continuity across the normally closed contacts No reading indicates the ...

Page 58: ... proper procedures may cause property damage personal injury or death This is the most important part of the entire service procedure The life and efficiency of the equipment is dependent upon the thoroughness exercised by the serviceman when evacuating air non condensables and moisture from the system Air in a system causes high condensing temperature and pressure resulting in increased power inp...

Page 59: ...ation section or check the unit nameplates for the correct refrigerant charge An inaccurately charged system will cause future problems 1 Using a quality set of charging scales weigh the proper amount of refrigerant for the system Allow liquid refrigerant 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 ...

Page 60: ...e dill valves 2 Start the system and allow the pressures to stabilize 3 Stop the system and check the time it takes for the high and low pressure gauge readings to equalize If it takes more than seven 7 minutes to equalize the restrictor device is inoperative Replace install a liquid line drier evacuate and recharge S 106 Overfeeding Overfeeding by the expansion valve results in high suction press...

Page 61: ... under the design subcooling value Where the two intersect is the required liquid line temperature Alternately you can convert the liquid line pressure gauge reading to temperature by finding the gauge reading in Temperature Pressure Chart and reading to the left find the temperature in the F Column 5 The difference between the thermometer reading and pressure to temperature conversion is the amou...

Page 62: ... 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 63: ...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 98 406 110 108 106 104 102 100 416 112 110 108 106 104 102 427 114 112 110 108 106 104 439 116 114 112 110 108 106 450 118 116 114 112 110 108 462 120 11...

Page 64: ...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 the flow Discharge and suction pressures will be low giving the appearance of an undercharged unit However the unit will have normal to high subcooling Locate the restriction replace the restricted part replace dr...

Page 65: ...must be accessible and be rechecked for a pressure drop after the system has operated for a time It may be necessary to use new tubing and form as required NOTE At least twelve 12 inches of the suction line immediately out of the compressor stub must be discarded due to burned residue and contaminates 1 Remove the liquid line drier and expansion valve 2 Purge all remaining components with dry nitr...

Page 66: ... plate 2 Take entering and leaving air temperatures 3 Select the proper speed tap or dip switch setting for direct drive units 4 For gas heat units the airflow must be adjusted so that the air temperature rise falls within the ranges given stated on Data Plate by adjusting the variable pitch sheave on the motor see Blower Performance section in appropriate Spec Sheet Manual for correct pulley adju...

Page 67: ...uity across the two terminals 4 If limit test open allow unit to cool and retest 5 If still open replace the control S 301 Testing Auxiliary Limit The auxiliary limit control is a preset nonadjustable control mounted in the blower compartment area It is connected in series with the rollout switch wiring to the gas valve If its temperature should be exceeded it will open interrupting the voltage to...

Page 68: ...gas valve is de energized Power to the thermostat R is removed while the limit switch is open When the limit switch re closes the induced draft motor runs through its post purge and the indoor blower goes through the heat off delay If a call for heat exists when the limit switch re closes the control goes through a pre purge period and then makes an ignition attempt The indoor blower remains on fo...

Page 69: ...fter completing check and or replacement of induced draft blower motor 5 Turn on electrical power and verify proper unit operation S 304 Testing Gas Valve Direct Spark Ignition DSI Systems TWO STAGE MODELS ONLY A two stage combination redundant operator type gas valve which provides all manual and automatic control functions required for gas fired heating equipment is used The valve provides contr...

Page 70: ...n In no instance should an orifice be peened over and redrilled This will change the angle or deflection of the vacuum effect or entraining of primary air which will make it difficult to adjust the flame properly This same problem can occur if an orifice spud of a different length is substituted WARNING Disconnect gas and electrical power supply 1 Check orifice visually for distortion and or burrs...

Page 71: ...ures differ from chart make necessary pressure regulator adjustments check piping size etc and or consult with local utility S 308 Checking For Delayed Ignition Delayed ignition is a delay in lighting a combustible mixture of gas and air which has accumulated in the combustion chamber When the mixture does ignite it may explode and or rollout causing burning in the burner venturi If delayed igniti...

Page 72: ... Energize furnace for heating cycle The induced draft blower motor will begin to run The inclined manometer should read approximately 1 2 0 3 W C with no combustion 5 Remove and check the two electrical wires and using the VOM check from Common to NO Normally Open it should read closed with I D motor running If not as above replace pressure control 6 Reconnect all wires to the control and place in...

Page 73: ...rol checks 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 The induced draft motor is energized and the control flashes 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 ...

Page 74: ...k the gas orifices for debris Check gas valve for proper operation Check secondary limit A dirty filter excessive duct static insufficient air flow a faulty limit or a failed circulator blower can cause this limit to open Check filters total external duct static circulator blower motor blower motor speed tap see wiring diagram and limit An interruption in electrical power during a heating cycle ma...

Page 75: ... the time power is restored Compressor is off a total of three minutes The diagnostic LED will flash six 6 times to indicate the compressor contactor output is being delayed NOTE Some electronic thermostats also have a built in compressor short cycle timer that may be longer than the three minute delay given above If you are using an electronic thermostat and the compressor has not started after t...

Page 76: ...0 If no reading check for continuity on all components and if good replace ignition control module NOTE Contaminated fuel or combustion air can create a nearly invisible coating on the flame sensor This coating works as an insulator causing a loss in the flame sense signal If this situation occurs the flame sensor must be cleaned with steel wool Do not use sand paper the silicone in sand paper wil...

Page 77: ...G OR INSTALLING THIS UNIT M ULTIPLE POWER SOURCES MAY BE PRESENT F AILURE 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 UNIT WIRING DIAGRAMS DRC036 060 1PH ...

Page 78: ...ubject to change Always refer to the wiring diagram on the unit for the most up to date wiring UNIT WIRING DIAGRAMS HIGH VOLTAGE D ISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT M ULTIPLE POWER SOURCES MAY BE PRESENT F AILURE 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 w...

Page 79: ...RE SERVICING OR INSTALLING THIS UNIT M ULTIPLE POWER SOURCES MAY BE PRESENT F AILURE 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 DRC036 072 3PH ...

Page 80: ...RE SERVICING OR INSTALLING THIS UNIT M ULTIPLE POWER SOURCES MAY BE PRESENT F AILURE 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 DRH036 072 3PH ...

Page 81: ...INSTALLING THIS UNIT M ULTIPLE POWER SOURCES MAY BE PRESENT F AILURE 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 UNIT WIRING DIAGRAMS DRC036 072 3PH HI STATIC ...

Page 82: ...RVICING OR INSTALLING THIS UNIT M ULTIPLE POWER SOURCES MAY BE PRESENT F AILURE 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 DRH036 072 3PH HI STATIC ...

Page 83: ...RE SERVICING OR INSTALLING THIS UNIT M ULTIPLE POWER SOURCES MAY BE PRESENT F AILURE 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 DRG036 060 1PH ...

Page 84: ...RE SERVICING OR INSTALLING THIS UNIT M ULTIPLE POWER SOURCES MAY BE PRESENT F AILURE 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 DRG036 072 3PH ...

Page 85: ...INSTALLING THIS UNIT M ULTIPLE POWER SOURCES MAY BE PRESENT F AILURE 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 UNIT WIRING DIAGRAMS DRG036 072 3PH HI STATIC ...

Page 86: ...NECT TO C7400S 1000 YL BL RD BR BR BL RD BR BR TERM 250 TERM 251 TERM 273 PIN 1 TERMINAL IDENTIFIER PIN 1 TERMINAL IDENTIFIER COOL 1 FAN ALARM PK GR YL PU PU YL BL OR GR BL OR YL YL PU GR PK OR GY GY GR OR IN BLOWER SECTION CONNECT TO C7250 OUTDOOR AIR SENSOR PU PU OUTDOOR ENTHALPY SENSOR OPTIONAL NOTE 1 TYCO PART 1 480708 0 NOTES 1 OUTDOOR ENTHALPY SENSOR REPLACES DRY BULB OUTDOOR AIR SENSOR SAME...

Page 87: ...Z 2 10A CLASS CC 600VAC DC 200kA SCCR 3 RATING 120V 60 Hz 15A PRODUCT CLASS A NEMA TYPE 5 15R GROUNDING DUPLEX RECEPTACLE FOR USE WITH 10 14 AWG WIRE 4 POWER BLOCK MAY NOT BE AVAILABLE ON SOME GAS MODELS CONVENIENCE OUTLET POWER CAN BE SUPPLIED BY CONNECTING BLACK AND RED WIRES TO THE LINE SIDE OF ANY MOTOR CONTACTOR PB L1 GND L2 LINE VOLTAGE 208 230V 1PH 3PH 60Hz RD GFCI BK WH BK LINE NEUTRAL LIN...

Page 88: ... 2kVA 1PH 60 HERTZ OUTPUT 13 04A 115V 2 5A CLASS CC 600VAC DC 200kA SCCR 3 RATING 120V 60 Hz 15A PRODUCT CLASS A NEMA TYPE 5 15R GROUNDING DUPLEX RECEPTACLE FOR USE WITH 10 14 AWG WIRE 4 POWER BLOCK MAY NOT BE AVAILABLE ON SOME GAS MODELS CONVENIENCE OUTLET POWER CAN BE SUPPLIED BY CONNECTING BLACK AND RED WIRES TO THE LINE SIDE OF ANY MOTOR CONTACTOR PB L1 GND L2 LINE VOLTAGE 460V 3PH 60Hz RD GFC...

Page 89: ...Y 120V 16 7A 2kVA 1PH 60 HERTZ 2 5A CLASS CC 600VAC DC 200kA SCCR 3 RATING 120V 60 Hz 15A PRODUCT CLASS A NEMA TYPE 5 15R GROUNDING DUPLEX RECEPTACLE FOR USE WITH 10 14 AWG WIRE 4 POWER BLOCK MAY NOT BE AVAILABLE ON SOME GAS MODELS CONVENIENCE OUTLET POWER CAN BE SUPPLIED BY CONNECTING BLACK AND RED WIRES TO THE LINE SIDE OF ANY MOTOR CONTACTOR PB L1 GND L2 LINE VOLTAGE 575V 3PH 60Hz RD GFCI BK WH...

Page 90: ...te wiring power exhaust 3 5 Ton HONEYWELL W7220 MAT MAT OAT OAT S BUS S BUS IAQ 2 10 IAQ COM IAQ 24V ACT 2 10 ACT COM ACT 24V AUX2 1 OCC E GND EXH1 AUX1 0 Y2 I Y2 O Y1 I Y1 O C R POWERED EXHAUST CONTROL HARNESS BR BL PIN 1 TERMINAL IDENTIFIER 1 1 BR BL POWERED EXHAUST POWER HARNESS TO POWER BLOCK OR OTHER POWER SOURCE BK RD GR 1 1 GY TN BK RD GR GRD GY TN BL FC GR BK BR BL BK BR BL M 1 FAN MOTOR 1...

Page 91: ...te wiring HONEYWELL W7220 MAT MAT OAT OAT S BUS S BUS IAQ 2 10 IAQ COM IAQ 24V ACT 2 10 ACT COM ACT 24V AUX2 1 OCC E GND EXH1 AUX1 0 Y2 I Y2 O Y1 I Y1 O C R POWERED EXHAUST CONTROL HARNESS BR BL PIN 1 TERMINAL IDENTIFIER 1 1 BR BL POWERED EXHAUST POWER HARNESS TO POWER BLOCK OR OTHER POWER SOURCE BK GR 1 1 GY TN BK RD GR GRD GY TN 1 4 7 A 3 6 9 B 2 5 8 WH BL BK BL BK BR BL M 1 FAN MOTOR 1 RD WH BK...

Page 92: ... CLOSE 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 N...

Page 93: ...AT PUMP LOW VOLTAGE JUNCTION BOX BLUE BROWN WHITE ORANGE GREEN YELLOW RED 18 GAUGE 8 WIRE R Y G O O Y G R BL BL BR W BR W 3 BL Y PACKAGE SYSTEM WIRING DIAGRAM HEAT PUMPS ONLY TWO STAGE ELECTRIC HEAT ABOVE 10 kW For outdoor temperatures below 0 F with 50 or higher relative humidity set outdoor thermostat at 0 F NOTE 1 OT18 2 CAN BE CONNECTED BETWEEN W2 OF THERMOSTAT AND BROWN WIRE IF DESIRED COLOR ...

Page 94: ...L BLOCK Y CALL FOR COOL BL COMMON RUN CAPACITOR IF USED SEE NOTE 3 CONNECT PARALLEL TO REVERSING VALVE 24 VAC IF USED SEE NOTE 2 0140M00108 C NOTES 1 USE COPPER CONDUCTORS ONLY 2 ALTERNATE WIRING FOR HEAT PUMP APPLICATIO N 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 N...

Page 95: ...V AC DC 4 5 13 3 14 16 6 17 8 18 7 C C C C NO NO NO NO NC NC NC RD RD RD PK BL PLF ES PLM SD PLF SD BR PK RD BL BR PU RD BL RD PU PK PLM ES BL PK TB ES TB C TB XS BL SD1 B R Y Y SEN1 B R Y Y SEN2 B R Y Y SD2 B R Y Y ALARM SUP AUX A AUX B OFF ON TRBL SHUTDN 1 2 SENSORS 7 0 MIN TMPR DELAY BL RD TB ES RD BK YL YL RD BK YL YL BOOKLET NO DESCRIPTION PAGE DKWDB0001B SMOKE DETECTOR 31 OF 32 NOTES 1 SMOKE...

Page 96: ...URCES MAY BE PRESENT F AILURE 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 BOOKLET NO DESCRIPTION PAGE DKWDB0001B DISCONNECT NON FUSED 10 OF 32 GND UNIT VOLTAGE PB L1 L2 L3 SUPPLY VOLTAGE Disconnect Module ...

Page 97: ...ject to change Always refer to the wiring diagram on the unit for the most up to date wiring BOOKLET NO DESCRIPTION PAGE DKWDB0001B PHASE MONITOR 26 OF 32 L1 L2 L3 POWER BLOCK BK OR RD POWER HARNESS BL PK RD BL BL PK PK PK RD RD BL LOW VOLTAGE HARNESS LINE VOLTAGE OR RD BK RD LOW VOLTAGE PHASE MONITOR L1 L2 L3 1 2 3 4 1 2 3 4 PLM ES 1 2 3 4 1 2 3 4 PLF ES RD RD RD PK BL BL PK TB ES S2 TB C TB XS R...

Page 98: ...PTIONAL SAFETY EQUIPMENT 2 CONNECT TO 4 PIN SAFETY PLUG ON THE UNIT OTHER OPTIONAL SAFETY EQUIPMENT BK OR RD BK BL OR PK PU RD BLACK BLUE ORANGE PINK PURPLE RED BL PU RD BL BL PU PK PK RD RD BL LINE VOLTAGE OR RD BK RD LOW VOLTAGE 1 2 3 4 1 2 3 4 NOTE 1 NOTE 2 COMPRESSOR CONTACTOR L1 L2 L3 0140L07169 A PHASE MONITOR L1 L2 T3 L3 T1 T2 BK GND LINE VOLTAGE RD OR TO COMPRESSOR MOTOR L1 L2 L3 HIGH VOLT...

Page 99: ...T 10KW 240V 3PH EHXD 3S15 ELECTRIC HEAT KIT 15KW 240V 3PH EHXD 3S16 ELECTRIC HEAT KIT 15KW 240V 3PH EHXD 3S18 ELECTRIC HEAT KIT 18KW 240V 3PH EHXD 3S21 ELECTRIC HEAT KIT 20KW 240V 3PH EHXD 3S22 ELECTRIC HEAT KIT 20KW 240V 3PH Heater Kits for Direct Drive Models Unit Heater Kit Model Number Minimum CFM EHXD 1S05 EHXD 1S10 EHXD 1S16 EHXD 3S05 EHXD 3S10 EHXD 3X16 EHXD 1S05 EHXD 1S10 EHXD 1S15 EHXD 1S...

Page 100: ...on the unit for the most up to date wiring CT1 FL TL FL TL L1 L2 OP YL RD RD YL 8 9 3 5 6 7 4 PC 2 YL RD 1 OP HTR 3 HTR 2 LC 1 2 LC 1 2 BK BK T1 T2 L1 SCR FL TL HTR 1 LC 1 2 BK BK BK DCV DCV TR1 L2 W1 COM RS1 WH BK BK YL GR RD BL BK BL RD 1 2 3 4 135 0 10 4 20 2200 SCR SETTING BOOKLET NO DESCRIPTION PAGE DKWDB0001B ELECTRIC HEAT 1PH 3 COIL SCR 13 OF 32 BL WH RD 0200 149 180 SCR MODEL EHS 1S05 EHS ...

Page 101: ...to change Always refer to the wiring diagram on the unit for the most up to date wiring EHK1 15 CT1 FL TL FL TL L1 L2 OP YL RD RD YL 8 9 3 5 6 7 WH 4 PC 2 YL RD 1 OP HTR 3 HTR 2 LC 1 2 LC 1 2 BK BK FL TL HTR 1 LC 1 2 BK BK BK W1 COM RS1 TR1 BK BK BL WH RD BL BOOKLET NO DESCRIPTION PAGE DKWDB0001B ELECTRIC HEAT 1PH 3 COIL 14 OF 32 0200 149 180 MODEL EHX 1S05 EHX 1S10 BELT DIRECT DRIVE EHXD 1S05 EHX...

Page 102: ... HTR 1 TL TL TL BK LC 1 2 LC 1 2 LC 1 2 SSR 5 4 3 2 1 24VAC COMM S1 S2 VDC mA GND TSTAT ESC DCV DCV OP OP L2 PB TR1 W1 COM RS1 WH BL WH RD BL GR GR YL BR BK BK BK BK GR YL WH YL BK BK SLAVE MASTER 4 20 mA 0 10VDC OFF TSTAT OFF VERN TEST CONTROL OFF 5 OFF 10 OFF 20 OFF 40 STAGE DELAY SEC SW1 1 SW2 2 3 4 5 6 7 8 9 0 STAGES 0 10 ELECTRONIC STEP CONTROLLER SETTINGS RD YL YL RD RD YL YL RD GR YL BK BOO...

Page 103: ...o date wiring EHK1 20 EHXD 1S15 EHXD 1S18 EHXD 1S20 For Direct Drive Models Only 9 WH 8 7 6 5 4 3 2 PC 1 BK FL HTR 6 FL FL HTR 5 HTR 4 TL TL TL RD YL YL RD BK CT1 CT2 WH BL BL LC 1 2 LC 1 2 LC 1 2 OP OP BK BK OP OP BK BK BK FL HTR 3 FL FL HTR 2 HTR 1 TL TL TL RD YL YL RD BK LC 1 2 LC 1 2 LC 1 2 BR W1 COM W2 L1 L2 PB RS2 RS1 TR1 BR BL BK BK RD RD BL WH RD BK BK BK BK BL BOOKLET NO DESCRIPTION PAGE ...

Page 104: ...ost up to date wiring EHK 10 EHK 15 EHK 16 EHS 3S05 EHS 3S10 EHS 3S15 Direct Drive 9 8 7 6 5 4 3 2 PC 1 CT1 BL OP OP L3 L2 L1 OP HTR 3 HTR 2 HTR 1 FL FL FL TL TL TL LC 1 2 LC 1 2 LC 1 2 YL DCV DCV TR1 WH T1 T2 L1 SCR L2 BL RD YL GR BL W1 COM RS1 RD WH BL WH BK BK 1 2 3 4 135 0 10 4 20 2200 SCR SETTING YL RD BK RD BK YL RD BK BK RD YL RD YL BK BK BK BOOKLET NO DESCRIPTION PAGE DKWDB0001B ELECTRIC H...

Page 105: ...r to the wiring diagram on the unit for the most up to date wiring EHK 3 4 18 EHX 3S05 EHX 3S10 EHX 3S15 Direct Drive 9 WH 8 7 6 BL 5 4 3 2 PC 1 WH BL W1 COM TR1 RS1 RD WH CT1 OP OP L3 L2 L1 OP HTR 3 HTR 2 HTR 1 FL FL FL TL TL TL LC 1 2 LC 1 2 LC 1 2 YL BK BK YL RD BK RD BK YL BK BK RD YL RD YL BK BK BK BK RD RD BOOKLET NO DESCRIPTION PAGE DKWDB0001B ELECTRIC HEAT 3PH 3 COIL DELTA 18 OF 32 0200 14...

Page 106: ...AT ESC FL HTR 6 FL FL HTR 5 HTR 4 TL TL TL LC 1 2 LC 1 2 LC 1 2 DCV DCV PB TR1 W1 COM RS1 YL SLAVE MASTER 4 20 mA 0 10VDC OFF TSTAT OFF VERN TEST CONTROL OFF 5 OFF 10 OFF 20 OFF 40 STAGE DELAY SEC SW1 1 SW2 2 3 4 5 6 7 8 9 0 STAGES 0 10 ELECTRONIC STEP CONTROLLER SETTINGS RD BK YL BK RD YL GR YL BK BK GY WH YL GR BL BK BK BK BK BK BK BK BK GR YL BK BK BK BK GR BL RD WH WH RD BK BK BK RD YL RD BK Y...

Page 107: ...e wiring EHK1 15 EHX 3S18 EHX 3S20 EHX 3S30 Direct Drive BK RD YL 9 WH 8 7 6 BL 5 4 3 2 PC 1 FL HTR 3 FL FL HTR 2 HTR 1 TL TL TL WH CT2 CT1 BL BL LC 1 2 LC 1 2 LC 1 2 OP BK BK BK OP BK BK BK YL BK RD BK RD YL FL HTR 6 FL FL HTR 5 HTR 4 TL TL TL LC 1 2 LC 1 2 LC 1 2 YL BK RD W1 COM BR W2 OP OP OP OP L3 L2 L1 PB RS1 RS2 TR1 BK BK BR BL BL RD WH RD BL BK BK BK BK BK BK RD BOOKLET NO DESCRIPTION PAGE ...

Page 108: ...ring EHK 10 EHK 15 EHS 4S05 EHS 4S10 EHS 4S15 EHS 7S05 EHS 7S10 EHS 7S15 Direct Drive 9 8 7 6 5 4 3 2 PC 1 CT1 BL OP OP L3 L2 L1 OP BK BK BK YL RD DCV DCV TR1 WH T1 T2 L1 SCR L2 BL RD YL GR BL W1 COM RS1 RD WH BL WH BK BK HTR 3 HTR 2 HTR 1 FL FL FL TL TL TL BK RD YL LC 1 2 LC 1 2 LC 1 2 BK RD YL 1 2 3 4 135 0 10 4 20 2200 SCR SETTING BOOKLET NO DESCRIPTION PAGE DKWDB0001B ELECTRIC HEAT 3PH 3 COIL ...

Page 109: ...wiring diagram on the unit for the most up to date wiring 9 WH 8 7 6 BL 5 4 3 2 PC 1 WH CT1 BL OP OP L3 L2 L1 OP BK BK BK W1 COM TR1 RS1 BK BK RD HTR 3 HTR 2 HTR 1 FL FL FL TL TL TL BK RD YL LC 1 2 LC 1 2 LC 1 2 BK RD YL BL BOOKLET NO DESCRIPTION PAGE DKWDB0001B ELECTRIC HEAT 3PH 3 COIL WYE 22 OF 32 0200 149 186 MODEL EHX 4S05 EHX 4S10 EHX 4S15 MODEL EHX 7S05 EHX 7S10 EHX 7S15 BELT DIRECT DRIVE EH...

Page 110: ... FL FL HTR 2 HTR 1 TL TL TL LC 1 2 LC 1 2 LC 1 2 FL HTR 6 FL FL HTR 5 HTR 4 TL TL TL YL LC 1 2 LC 1 2 LC 1 2 YL BK RD BK RD YL SLAVE MASTER 4 20 mA 0 10VDC OFF TSTAT OFF VERN TEST CONTROL OFF 5 OFF 10 OFF 20 OFF 40 STAGE DELAY SEC SW1 1 SW2 2 3 4 5 6 7 8 9 0 STAGES 0 10 ELECTRONIC STEP CONTROLLER SETTINGS RD BK RD BK BK BK BOOKLET NO DESCRIPTION PAGE DKWDB0001B ELECTRIC HEAT 3PH 6 COIL WYE SCR 23 ...

Page 111: ...4 3 2 PC 1 WH CT2 CT1 BL BL OP BK BK BK OP BK BK BK W1 COM BR W2 OP OP OP OP L3 L2 L1 PB RS1 RS2 TR1 BK BK BR BL BL RD WH RD BL BK BK BK BK BK BK RD FL FL FL TL TL TL LC 1 2 LC 1 2 LC 1 2 HTR 6 HTR 5 HTR 4 BK RD YL BK RD YL FL FL FL TL TL TL LC 1 2 LC 1 2 LC 1 2 HTR 6 HTR 5 HTR 4 BK RD YL BK RD YL BOOKLET NO DESCRIPTION PAGE DKWDB0001B ELECTRIC HEAT 3PH 6 COIL WYE 24 OF 32 0200 149 187 MODEL EHX 4...

Page 112: ...Check power and control voltages 6 Check running amperage 7 Check operating temperatures and pressures 8 Check and adjust temperature and pressure controls 9 Check and adjust damper linkages 10 Check operation of all safety controls 11 Examine gas furnaces see below and the User s Information Manual 12 Check condenser fans and tighten set screws Filters CAUTION To prevent property damage due to fi...

Page 113: ...iping at the union D The entire burner assembly can now be removed from the unit NOTE Use all screws that were removed they are necessary for safe and proper operation of the unit 3 Inspect and periodically clean the vent outlet bird screen on the access panel NOTE Periodic observation of the flame and a log of C02 measurements are recommended This will aid in determining whether the furnace is op...

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Daikin DRG0361DH00001S, Service Instructions Manual

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