York DHW36CMB21S Service Manual Download Page 40

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Service Manual

Steps

Procedure

blade

motor support

motor

electric box assy

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2.Remove 2 screws connecting motor support and

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10 Remove 4-way valve

4-way valve

Summary of Contents for DHW36CMB21S

Page 1: ...VERTER DRIVEN AIR CONDITIONING UNIT PLEASE READ AND UNDERSTAND THIS MANUAL BEFORE USING THIS INVERTER DRIVEN AIR CONDITIONING UNIT KEEP THIS MANUAL FOR FUTURE REFERENCE OUTDOOR UNIT DHW30CMB21S DHW36C...

Page 2: ...advanced information to maintain and service this inverter driven cooling or heat pump air conditioning unit which you operate as well for other models This inverter driven cooling or heat pump air c...

Page 3: ...rature Sensor 38 Customer Service Technical Support 41 1 Features and Summary QWURGXFWLRQ and 6DIHW QVWUXFWLRQV i 2 Specifications 2 2 1 Specification Sheet 2 2 Cooling Capacity Tables 5 4 Refrigerant...

Page 4: ...rrectly injuries may occur due to a falling unit Use appropriate Personal Protective Equipment PPE such as gloves and protective goggles and where appropriate have a gas mask nearby Also use electrica...

Page 5: ...ure the condensate hose discharges water properly If connected incorrectly it may cause leaks Do not install the unit in any place where oil can seep onto the units such as table or seating areas in r...

Page 6: ...on Controls Johnson Controls uses only refrigerants that have been approved for use in the unit s intended home country or market Johnson Controls distributors similarly are only authorized to provide...

Page 7: ...as and liquid valves otherwise these devices will be damaged It is closed before shipment If the arrangement for outdoor units is incorrect it may cause flowback of the refrigerant and result in failu...

Page 8: ...el to the indoor or outdoor units without turning OFF the main power supply After ceasing operation be sure to wait at least five minutes before turning off the main power switch Otherwise water leaka...

Page 9: ...1 7HFKQLFDO QIRUPDWLRQ Service Manual 1 Features and Summary Outdoor Unit DHW36CMB21S DHW42CMB21S DHW30CMB21S...

Page 10: ...ion valve Cooling Operation Ambient Temperature Range O 0 118 Heating Operation Ambient Temperature Range O 4 86 Condenser Material OXPLQXP LQ FRSSHU 7XEH Condenser Pipe Diameter LQFK 5RZV LQ DS PP LQ...

Page 11: ...RI LTXLG 3LSH LQFK 1 4 Metric Outer Diameter of Gas Pipe1 LQFK 3 8 Metric Outer Diameter of Gas Pipe2 LQFK 3 8 Metric Outer Diameter of Gas Pipe3 LQFK 3 8 Metric Outer Diameter of Gas Pipe4 Metric LQ...

Page 12: ...nsion valve Cooling Operation Ambient Temperature Range O 0 118 0 118 Heating Operation Ambient Temperature O 4 86 4 86 OXPLQXP LQ FRSSHU 7XEH OXPLQXP LQ FRSSHU 7XEH LQFK LQFK 2 1 18 2 1 18 LQFK 27 4...

Page 13: ...RI LTXLG 3LSH LQFK 1 4 1 4 Metric Outer Diameter of Gas Pipe1 LQFK 3 8 3 8 Metric Outer Diameter of Gas Pipe2 LQFK 3 8 3 8 Metric Outer Diameter of Gas Pipe3 LQFK 3 8 3 8 Metric Outer Diameter of Gas...

Page 14: ...0 7950 8550 10650 11080 Total power input W 3150 2500 3130 3200 3400 2930 Sensitive capacity W Total capacity W 100 100 100 100 100 100 Cooling Heating 2 2 Cooling Capacity Tables ROOM OUTDOOR TEMPERA...

Page 15: ...0 8800 9360 10690 10580 11300 Total power input W 3785 3600 3410 3580 2780 2420 Sensitive capacity W Total capacity W 100 100 100 100 100 100 Cooling Heatling ROOM OUTDOOR TEMPERATURE DRY INDOOR TEMPE...

Page 16: ...400 Sensitive capacity W 8230 8960 8750 12100 10820 11400 Total power input W 3760 3690 3400 3910 2820 2420 Sensitive capacity W Total capacity W 100 0 100 0 100 0 100 0 100 0 100 0 ROOM OUTDOOR TEMPE...

Page 17: ...9 7HFKQLFDO QIRUPDWLRQ Service Manual 3 DHW36CMB21S DHW42CMB21S Dimensions Diagram DHW30CMB21S 8QLW LQFK 40 42 1 2 24 5 6 17 1 3 14 1 4 14 4 5 43 3 7 38 3 7 36 2 9 17 1 3 14 4 7 31 24 15 5 7 8QLW LQFK...

Page 18: ...e outdoor unit to exchange heat with the outdoor air and then is turned into refrigerant liquid After passing through the metering device the temperature and pressure of the refrigerant liquid will fu...

Page 19: ...225 1 225 81 7 1 225 81 7 27720 1 7 5 9 9 92 3527 7 121 2035 6625 29 5 2 1 7 3 3 7 03 6 1625 1 02725 6 7 35 6685 2035 6625 287 225 78 6 1625 7 03 6 1625 287 225 0 1 7 5 1 0 1 2 5 32 5 7 03 6 1625 6 5...

Page 20: ...1 7 7 1 1 1 1 1 1 7 57 57 57 57 7 7 9 9 3 57 9 9 9 9 7 1 1 7 1 6 7 9 9 81 7 1 225 81 7 27720 1 7 5 9 9 92 3527 7 121 2035 6625 29 5 2 1 7 3 3 7 03 6 1625 1 02725 6 7 35 6685 2035 6625 287 225 78 6 162...

Page 21: ...nals of overload protector 7 33 WHUPLQDOV RI KLJK SUHVVXUH VZLWFK 8 EVA EVE terminals of EXV electronic expansion valve 9 CN802 CN803 terminals of temperature sensor 10 COMU terminals of communication...

Page 22: ...VWRS FRQGLWLRQ WKH FRPSUHVVRU VWRSV DQG WKH RXWGRRU IDQ VWRSV DIWHU PLQ F I RQO SDUW RI WKH LQGRRU XQLWV VDWLVI WKH VWRS FRQGLWLRQ WKH FRPSUHVVRU GHFUHDVHs WKH IUHTXHQF LPPHGLDWHO DQG RSHUDWHV DFFRUGL...

Page 23: ...door tube sensor malfunction ODVK WLPHV KDXVW VHQVRU PDOIXQFWLRQ ODVK WLPHV WWDLQ WKH WHPSHUDWXUH RI VZLWFK RQ ODVK WLPHV UHTXHQF OLPLW SRZHU ODVK WLPHV Outdoor fan malfunction ODVK WLPHV UHTXHQF OLPL...

Page 24: ...orrectly Reconnect according to the wiring diagram Y N Y De energize change the communication wire of the well communicated indoor unit and malfunction indoor unit then energize the unit and wait for...

Page 25: ...correctly Reconnect according to the wiring diagram Connected correctly Reconnect according to the wiring diagram De energize check if the connection wire between the outdoor mainboard and the filter...

Page 26: ...nboard Replace pressure switch Check if operation mode of indoor unit is properly set N N Y Y Y Y Check if gas valve and liquid valve are completely open Refer to Instruction Manual of indoor unit Che...

Page 27: ...t Replace the outdoor unit mainboard Replace relevant discharge temperature sensor Discharge temperature protection Malfunction display E5 Compressor Overheat N Y Y Y Y Y N N N Check if compressor s c...

Page 28: ...the temperature sensor is correctly connected with socket on the mainboard N Removethe sensor to check if the resistance value is ok N Y Y Y Replace mainboard of the indoor uint Check the direction of...

Page 29: ...place mainboard of the indoor uint Replace temperature sensor Check the direction of the plug and socket Malfunction display F5 Failure of Exhaust Temp Sensor N N Y Y Y Failure of Exhaust Temp sensor...

Page 30: ...ion of compressor RPSUHVVRU FDQ W RSHUDWH 5HIHU WR SRLQW RI PDLQWHQDQFH PHWKRG IRU details 7 3 Maintenance for Normal Malfunction 1 Air Conditioner Can t be Started Up 2 Poor Cooling Heating for Air C...

Page 31: ...ain pipe UDSSLQJ LV QRW WLJKW DWHU OHDNLQJ IURP WKH SLSH FRQQHFWLRQ SODFH RI indoor unit UDS LW DJDLQ DQG EXQGOH LW WLJKWO 5 Compressor Can t Operate Possible causes LVFULPLQDWLQJ PHWKRG DLU FRQGLWLRQ...

Page 32: ...side plate front side plate 5HPRYH WKH VFUHZV FRQQHFWLQJ WKH IURQW VLGH SODWH ZLWK FKDVVLV DQG PLGGOH LVRODWLRQ VKHHW DQG WKHQ UHPRYH WKH front side plate DHW30CMB21S KDQGOH 5HPRYH WKH VFUHZV FRQQeFW...

Page 33: ...KHQ UHPRYH WKH UHDU JXDUG JULOOH 5HPRYH WKH VFUHZV FRQQHFWLQJ WKH ULJKW VLGH SODWH ZLWK HOHFWULF ER DVV YDOYH VXSSRUW FKDVVLV DQG FRQGHQVHU VLGH SODWH DQG WKHQ UHPRYH WKH ULJKW side plate 5HPRYH WKH V...

Page 34: ...HVVRU RYHUORDG SURWHFWRU WHPSHUDWXUH VHQVRU RXWGRRU IDQ PRWRU DQG ZD YDOYH J 1RWH KHHS SUHVVLQJ WKH FLUFOLS ZKHQ GLVFRQQHFWLQJ WKH ZLULQJ WHUPLQDO RI UHDFWRU NHHS SUHVVLQJ WKH UHWDLQHU ZKHQ GLVFRQQHFW...

Page 35: ...LWK ZHW FORWK FRPSOHWHO WR DYRLG GDPDJH WR YDOYH GXH WR KLJK WHPSHUDWXUH 8QVROGHU DOO VSRW ZHOGV FRQQHFWHG ZLWK YDOYH VXSSRUW DQG WKHQ UHPRYH WKH YDOYH VXSSRUW 1RWH KHQ XQVROGHULQJ WKH VSRW ZHOG ZUDS...

Page 36: ...VKHHW 13 Remove compressor compressor 5HPRYH WKH IRRW QXWV LQJ FRPSUHVVRU DQG WKHQ OLIW WKH FRPSUHVVRU XSZDUGV WR UHPRYH WKH FRPSUHVVRU DQG GDPSLQJ FXVKLRQ Note HHS WKH SRUWV RI GLVFKDUJH SLSH DQG VX...

Page 37: ...WKH FRQGHQVHU 5HPRYH VFUHZV FRQQHFWLQJ VXSSRUW SODWH RI FRQGHQVHU DQG FRQGHQVHU DQG WKHQ UHPRYH WKH VXSSRUW SODWH RI FRQGHQVHU 16 Remove left side plate 17 Remove condenser Remove screws connecting l...

Page 38: ...cover upwards to remove it 5HPRYH WKH KDQGOH 2 Remove top cover 3 Remove front side plate front side plate 5HPRYH WKH VFUHZV FRQQHFWLQJ WKH IURQW VLGH SODWH ZLWK FKDVVLV DQG PLGGOH LVRODWLRQ VKHHW DQG...

Page 39: ...ate 5HPRYH WKH VFUHZV FRQQHFWLQJ WKH JULOOH DQG RXWHU FDVH DQG WKHQ UHPRYH WKH SDQHO JULOOH 5HPRYH ULJKW VLGH SODWH 6 Remove grille and cabinet cabinet outer case Remove screws connecting outer case a...

Page 40: ...JURRYH 8 Remove electric box assy 5HPRYH EODGH PRWRU PRWRU VXSSRUW UHDFWRU 5HPRYH QXWV LQJ D LDO RZ EODGH ZLWK ZUHQFK DQG WKHQ UHPRYH WKH D LDO RZ EODGH 2 Remove 2 screws connecting motor support and...

Page 41: ...WK FRPSOHWHO WR DYRLG GDPDJH WR YDOYH GXH WR KLJK WHPSHUDWXUH 5HPRYH DOO VSRW ZHOGV FRQQHFWHG ZLWK FRQQHFWLRQ SLSH DQG WKHQ UHPRYH WKH FRQQHFWLRQ SLSH VXE DVV 11 Remove valve support 12 Remove connect...

Page 42: ...RW ZHOGV FRQQHFWHG ZLWK YDSoU OLTXLG VHSDUDWRU UHPRYH IRRW QXWV IL LQJ YDSRU OLTXLG VHSDUDWRU DQG FRPSUHVVRU PRXQWLQJ SODWH VXE DVV DQG WKHQ UHPRYH WKH YDSRU OLTXLG VHSDUDWRU 14 Remove compressor moun...

Page 43: ...HPRYH WKH VXSSRUW SODWH RI FRQGHQVHU 18 Remove left side plate 19 Remove condenser Remove screws connecting left side plate and VXSSRUW SODWH RI FRQGHQVHU FKDVVLV DQG WKHQ UHPRYH WKH OHIW VLGH SODWH l...

Page 44: ...8 1 57 58 57 2 14 81 80 6 27 36 35 6 2 59 60 59 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5 64 65 64 4 18 88 89 87 8 31 43 44 42 8 6 66 67...

Page 45: ...steps XW WKH SLSe RQ UP WKH SLSH OHQJWK DFFRUGLQJ WR WKH GLVWDQFH RI LQGRRU XQLW DQG RXWGRRU XQLW XW WKH UHTXLUHG SLSH ZLWK SLSH FXWWHU 5HPRYH WKH EXUUV 5HPRYH WKH EXUUV ZLWK VKDSHU DQG SUHYHQW WKH E...

Page 46: ...2 439 111 0 737 5 63 46 34 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 064 116 0 642 0 49 0...

Page 47: ...13 59 73 3 144 112 0 956 4 80 31 35 13 04 74 3 04 113 0 93 3 76 24 36 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 663 117 0 833 1...

Page 48: ...22 15 362 9 24 51 41 63 10 93 102 3 13 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 96 12 306 2 27 45 07 66 9 83 105 2 87 11 289 6 28 43 16 67 9 49 106 2 79 10 274 29 41 34 68...

Page 49: ...41...

Page 50: ...Product improvement specifications and appearance in this manual are subject to change without prior notice Johnson Controls Inc USA LIT 12012185...

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