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Copyright ©

2015, 2017

This manual is to be used by qualified, professionally trained HVAC technicians only. The
manufacturer does not assume any responsibility for property damage or personal injury due
to improper service procedures or services performed by an unqualified person.

Service Instructions

RSDX6140000R1

APRIL 2017

CONDENSING UNIT

CONDENSING UNIT

CONDENSING UNIT

CONDENSING UNIT

CONDENSING UNIT

MODELS

MODELS

MODELS

MODELS

MODELS

RR20AVAK(9)/DX16SA0181XM

RR20AVAK(9)/DX16SA0181XM

RR20AVAK(9)/DX16SA0181XM

RR20AVAK(9)/DX16SA0181XM

RR20AVAK(9)/DX16SA0181XM
RR25AVAK(9)/DX16SA0241XM

RR25AVAK(9)/DX16SA0241XM

RR25AVAK(9)/DX16SA0241XM

RR25AVAK(9)/DX16SA0241XM

RR25AVAK(9)/DX16SA0241XM
RR30AVAK(9)/DX16SA0301XM

RR30AVAK(9)/DX16SA0301XM

RR30AVAK(9)/DX16SA0301XM

RR30AVAK(9)/DX16SA0301XM

RR30AVAK(9)/DX16SA0301XM
RR36AVAK(9)/DX16SA0361XM

RR36AVAK(9)/DX16SA0361XM

RR36AVAK(9)/DX16SA0361XM

RR36AVAK(9)/DX16SA0361XM

RR36AVAK(9)/DX16SA0361XM
RR42AVAK(9)/DX16SA0421XM

RR42AVAK(9)/DX16SA0421XM

RR42AVAK(9)/DX16SA0421XM

RR42AVAK(9)/DX16SA0421XM

RR42AVAK(9)/DX16SA0421XM

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Содержание RR20AVAK/DX160181XM/AA

Страница 1: ...ODELS MODELS MODELS RR20AVAK 9 DX16SA0181XM RR20AVAK 9 DX16SA0181XM RR20AVAK 9 DX16SA0181XM RR20AVAK 9 DX16SA0181XM RR20AVAK 9 DX16SA0181XM RR25AVAK 9 DX16SA0241XM RR25AVAK 9 DX16SA0241XM RR25AVAK 9 DX16SA0241XM RR25AVAK 9 DX16SA0241XM RR25AVAK 9 DX16SA0241XM RR30AVAK 9 DX16SA0301XM RR30AVAK 9 DX16SA0301XM RR30AVAK 9 DX16SA0301XM RR30AVAK 9 DX16SA0301XM RR30AVAK 9 DX16SA0301XM RR36AVAK 9 DX16SA036...

Страница 2: ...Table of Contents IMPORTANT INFORMATION 2 PRODUCT IDENTIFICATION MODEL TREES 5 PRODUCT DESIGN 7 SYSTEM OPERATION 9 TROUBLESHOOTING CHART 10 SERVICING 11 ...

Страница 3: ...ease contact Daikin Air Conditioning Saudi Arabia LLC P O Box 14949 Riyadh 11434 Saudi Arabia Kind Abdullaziz St Alsahafa Area Tel 00966 11 510 8500 l Fax 00966 11 510 8502 Toll Free 800 119 0909 Website www daikin ksa com l Email info daikin ksa com IMPORTANT INFORMATION 2 ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL ADJUST SERVICE OR REPAIR HEREINAFTER SERVICE THE EQUIPMENT SPECIFIED IN THIS...

Страница 4: ...or proper servicing WARNING REFRIGERANTS ARE HEAVIER THAN AIR THEY CAN PUSH OUT THE OXYGEN IN YOUR LUNGS OR IN ANY ENCLOSED SPACE TO AVOID POSSIBLE DIFFICULTY IN BREATHING OR DEATH NEVER PURGE REFRIGERANT INTO AN ENCLOSED ROOM OR SPACE BY LAW ALL REFRIGERANTS MUST BE RECLAIMED IF AN INDOOR LEAK IS SUSPECTED THOROUGHLY VENTILATE THE AREA BEFORE BEGINNING WORK LIQUID REFRIGERANT CAN BE VERY COLD TO ...

Страница 5: ...dem R Three Stage 1 208 230 V Single Phase 60 Hz V Variable Speed 2 220 240 V Single Phase 50 Hz 3 208 230 V Three Phase 60 Hz Feature Set 4 460 V Three Phase 60 Hz A Base S Special 5 380 415 V Three Phase 50 Hz C ComfortNet TM 4 Wire Ready E Export L ComfortNet Lite N Nominal D Deluxe 018 1 1 2 Tons 042 3 1 2 Tons 024 2 Tons 048 4 Tons 030 2 1 2 Tons 060 5 Tons 036 3 Tons 061 5 Tons Neither revis...

Страница 6: ...DX160301XM AB RR36AVAK DX160361XM AB RR42AVAK DX160421XM AB The base valve has been modified to include a factory installed flowrator This new assembly replaced the flowrator and piston kit RR20AVAK9 DX160181XM AC RR25AVAK9 DX160241XM AC RR30AVAK9 DX160301XM AC RR36AVAK9 DX160361XM AC RR42AVAK9 DX160421XM AC Ultra gold coated aluminum fin stock was replaced by blue coated aluminum fin stock RR AVA...

Страница 7: ...rant contin ued floodback or flooded start conditions may wash oil from the bearing surfaces causing premature bearing failure Compliantscrollcompressorsperform quiet shutdowns that allow the compressor to restart immediately without the need for a time delay This compressor will restart even if the system has not equalized NOTE Operating pressures and amp draws may differ fromstandardreciprocatin...

Страница 8: ...the hot refrigerant gas being warmer than the outdoor air first loses its superheat by heat trans ferredfromthegasthroughthetubesandfinsofthecoil The refrigerantnowbecomessaturated partliquid partvaporand then continues to give up heat until it condenses to a liquid alone Oncethevaporisfullyliquefied itcontinuestogiveup heat which subcools the liquid and it is ready to repeat the cycle ...

Страница 9: ...ire connected to power by the indoor unit The outdoor relay closes energizing the contactor of the outdoor unit which starts both the compressor and the outdoor fan When the indoor is satisfied it disconnects power to the COMP PURPLE and the outdoor unit shuts down COOLING CYCLE ...

Страница 10: ... Open Control Circuit Test Control Circuit w ith Voltmeter S 4 Low Voltage Test Voltage S 1 Shorted or Grounded Fan Motor Test Motor Windings S 16 Shortage of Refrigerant Test For Leaks Add Refrigerant S 101 103 Restricted Liquid Line Remove Restriction Replace Restricted Part S 112 Dirty Indoor Coil Inspect Coil Clean Not enough air across Indoor Coil Check Blow er Speed Duct Static Press Filter ...

Страница 11: ...I METER 14 S 15B CAPACITANCE CHECK USING A DIGITAL MULTI METER IN CAPACITANCE MODE 14 S 17 CHECKING COMPRESSOR 15 S 17A RESISTANCE TEST 15 S 17B GROUND TEST 16 S 17D OPERATION TEST 16 S 100 REFRIGERATION REPAIR PRACTICE 16 S 101 LEAK TESTING NITROGEN OR NITRO GEN TRACED 17 S 102 EVACUATION 17 S 103 CHARGING 18 S 104 CHECKING COMPRESSOR EFFICIENCY 19 S 106 OVERFEEDING 20 S 107 UNDERFEEDING 20 S 108...

Страница 12: ...ther low or high voltage Unit Supply Voltage Voltage Min Max 208 230 197 253 460 414 506 NOTE When operating electric heaters on voltages other than 240 volts refer to the System Operation section on electric heaters to calculate temperature rise and air flow Low voltage may cause insufficient heating S 2 CHECKING WIRING HIGH VOLTAGE Disconnect ALL power before servicing or installing Multiple pow...

Страница 13: ...KING CONTACTOR CONTACTS WARNING Disconnect ALL power before servicing SINGLE PHASE 1 Disconnectthewireleadsfromtheterminal T sideofthe contactor 2 With power ON energize the contactor WARNING Line Voltage now present 3 Using a voltmeter test across terminals A L2 T1 No voltage indicates CC1 contacts open If a no voltage reading is obtained replace the contactor VOLT OHM METER T1 T2 L1 L2 CC Ohmmet...

Страница 14: ...rshutdownallowingequalizationthroughthe scroll flanks Equalization requires only about 1 2 second To prevent the compressor from short cycling a Time Delay Relay Cycle Protector has been added to the low voltage circuit S 15A RESISTANCE CHECK USING A DIGITAL MULTI METER HIGH VOLTAGE Disconnect ALL power before servicing or installing Multiple power sources may be present Failure to do so may cause...

Страница 15: ...t the time of manufacture and during servicing Toreducethepossibilityofexternalignition allopenflame electrical power and other heat sources should be extin guished or turned off prior to servicing a system If the following test indicates shorted grounded or open windings see procedures S 19 for the next steps to be taken S 17A RESISTANCE TEST Each compressor is equipped with an internal overload ...

Страница 16: ...pressor The resistance reading should be infinity If there is any readingonmeter thereissomecontinuitytogroundand compressorshouldbeconsidereddefective OHMMETER 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 S 17D OPERATION TEST Ifthevoltage capacitor overloadandmotorwindingtestfail to show the caus...

Страница 17: ...ESTING NITROGEN OR NITRO GEN TRACED To avoid the risk of fire or explosion never use oxygen high pressure air or flammable gases for leak testing of a refrigeration system WARNING To avoid possible explosion the line from the nitrogen cylinder must include a pressure regulator and a pressure relief valve The pressure relief valve must be set to open at no more than 150 psig WARNING Pressuretestthe...

Страница 18: ...s moisture and or non condensibles may be present or the system may have a small leak 6 Return to step 2 If the same result is encountered check for leaks as previously indicated and repair as necessary then repeat evacuation 7 If pressure rises above 2000 microns a leak is present Checkforleaksaspreviouslyindicatedand repair as necessary then repeat evacuation LOW SIDE GAUGE AND VALVE HIGH SIDE G...

Страница 19: ...Units matched with indoor coils equipped with non adjustable TXV should be charged by subcooling only NOTE The TXV should NOT be adjusted at light load conditions 55º to 60ºF Use the following guidelines and methodstocheckunitoperationandensurethattherefriger ant charge is within limits Charge the unit on low stage Units Equipped with Adjustable Expansion Valves should be charged by Subcooling and...

Страница 20: ...aise subcooling Recover charge to lower subcooling S 106 OVERFEEDING Overfeeding by the expansion valve results in high suction pressure coldsuctionline andpossibleliquidsluggingofthe compressor If these symptoms are observed 1 Check for an overcharged unit by referring to the cooling performance charts in the servicing section 2 Checktheoperationofthepowerelementinthevalveas explainedinS 110Check...

Страница 21: ...h a capillary tube meteringdevice extremecasesofinsufficientindooraircan causeicingoftheindoorcoilandliquidreturntothecompres sor but the head pressure would be lower Thereareothercausesforhighheadpressurewhichmaybe found in the Service Problem Analysis Guide Ifothercausescheckoutnormal anoverchargeorasystem containingnon condensableswouldbeindicated If this system is observed 1 Start the system 2...

Страница 22: ...sidue and contaminates 1 Removecompressordischargelinestrainer 2 Remove the liquid line drier and expansion valve 3 Purge all remaining components with dry nitrogen or carbon dioxide until clean 4 Install new components including liquid line drier 5 Braze all joints leak test evacuate and recharge sys tem 6 Start up the unit and record the pressure drop across the drier 7 Continue to run the syste...

Страница 23: ... 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...

Страница 24: ...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 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 1...

Страница 25: ... G PLATE WIRING CODE FACTORY WIRING HIGH VOLTAGE LOW VOLTAGE OPTIONAL HIGH VOLTAGE FIELD WIRING HIGH VOLTAGE LOW VOLTAGE YL R D R D BK BK C T1 L1 T2 L2 R CCF F C HE RM B R PU R D YL RD BK C OMP IO C M AU X MA IN BK B R PU COLOR CODE BK BLACK BL BLUE BL PK BLUE PINK STRIPE BR BROWN OR ORANGE PU PURPLE RD RED WH WHITE YL YELLOW YL PK YELLOW PINK STRIPE NOTES 1 TO INDOOR UNIT TERMINAL BLOCK INDOOR TH...

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