York DHMF18CMM42Q1A Technical Manual Download Page 27

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Johnson Controls Unitary Products

923212-UTG-A-0113

13. Remove compressor

14. Remove isolation sheet

15. Remove support plate of condenser

16. Remove chassis and condenser

STEPS

PROCEDURES

Compressor

Twist off the 3 foot nuts on
compressor and then remove
the compressor.

Isolation
Sheet

Twist off the screws connecting
isolation sheet and end plate of
condenser and chassis, and then
remove the isolation sheet.

Support Plate
of Condenser

Twist off the screws connecting
the support plate of condenser
and condenser with screwdriver,
and then remove the support
plate of condenser.

Condenser

Chassis

Pull it upwards to separate
the chassis and condenser.

Summary of Contents for DHMF18CMM42Q1A

Page 1: ...the outdoor coil Outdoor fan and indoor blower operation is terminated during the defrost cycle H1 is dis played on the indoor unit panel on the front cover during a defrost cycle Reversing Valve Heat Pump Models 4 way interchange reversing valve effects a rapid change in direction of refrigerant flow resulting in quick changeover from cooling to heating and vice versa Valve operates on sys tem pr...

Page 2: ...pacity 09 3 4 Ton 12 1 Ton 18 1 5 Ton 24 2 Ton 30 2 5 Ton 36 3 Ton 42 3 5 Ton System Type NW Indoor Wall Mount Unit CS Outdoor Unit with Single Indoor Unit CM Outdoor Unit with Multiple Indoor Units Style A Style A Generation 1 1st Generation 2 2nd Generation 3 3rd Generation Connection Type Q Quick Connect Voltage 1 115 1 60 2 208 230 1 60 Refrigerant 4 R410A Compressor Type M Modulating Inverter...

Page 3: ...t of Fan Motor w 20 20 20 Fan Motor Capacitor uF 1 1 1 5 Fan Motor RLA A 0 2 0 2 0 28 Fan Type Piece Cross flow 1 Cross flow 1 Cross flow 1 Diameter Length inch 3 6 x 25 4 3 6 x 25 4 3 9 x 28 0 Diameter Length mm 92 645 92 645 98 710 Evaporator Aluminum Fin copper Tube Aluminum Fin copper Tube Aluminum Fin copper Tube Pipe Diameter inch Φ 0 276 Φ 0 276 Φ 0 276 Pipe Diameter mm φ7 φ7 φ7 Row Fin Gap...

Page 4: ...1 Axial flow 1 Axial flow 1 Axial flow 1 Fan Diameter inch 17 5 20 5 20 5 20 5 Defrosting Method Automatic Defrosting Automatic Defrosting Automatic Defrosting Automatic Defrosting Climate Type T1 T1 T1 T1 Permissible Excessive Operating Pressure for the Discharge Side PSI 624 624 624 624 Permissible Excessive Operating Pressure for the Suction Side PSI 363 363 363 363 Sound Pressure Level dB A 56...

Page 5: ...sor Speed rps 0 20 40 60 80 100 0 2 4 6 8 10 12 Cooling 12 10 8 6 4 2 0 0 0 2 0 4 0 6 0 8 0 0 1 Compressor Speed rps Current A Heating 24K 30K 9K 9K 9K Heating Cooling 12 10 8 6 4 2 0 0 2 0 4 0 6 0 8 0 0 1 Compressor Speed rps Current A 16 14 18 20 18 14 16 Current A Compressor Speed rps 0 20 40 60 80 100 2 4 6 8 10 12 0 ...

Page 6: ...ed rps Current A Cooling Heating 18K 9K 9K Capacity Ratio Outdoor Temp F 5 20 40 45 50 60 70 80 90 100 110 120 50 40 40 50 Heating Cooling 120 110 100 90 80 70 60 110 105 100 95 90 Outdoor Temp F Capacity Ratio 35 24K 30K 9K 9K 9K Capacity Ratio Outdoor Temp F Heating Cooling Outdoor Temp F Capacity Ratio 35 90 95 100 105 110 60 70 80 90 100 110 120 50 40 40 50 120 110 100 90 80 70 60 50 45 40 20 ...

Page 7: ...me Standard Pressure Heat Exchanger Pipe Temperature Indoor Fan Mode Outdoor Fan Mode Compressor Frequency Hz Indoor Outdoor P MPa T1 F T2 F COOLING 80 66 9 95 75 18K 9K 9K 0 9 to 1 1 50 to 55 150 to 104 Super High High 76 80 66 9 95 75 24K 30K 9K 9K 9K 0 9 to 1 1 54 to 59 158 to 104 Super High High 70 80 66 9 95 75 42K 0 9 to 1 1 53 6 to 57 2 158 to 104 Super High High 75 HEATING 70 60 46 9 43 18...

Page 8: ...y Products OUTDOOR UNITS 18K 24K 30K Unit Outdoor side noise 18K 9K 9K 24K 30K 9K 9K 9K 60 6 50 40 40 30 20 0 0 2 Compressor Frequency Hz Compressor Frequency Hz Noise level dB A 42K Unit 80 100 70 65 60 55 50 45 40 35 30 25 20 0 20 40 60 80 100 ...

Page 9: ... 56 2 2 56 2 51 4 101 5 127 2 51 10 9 277 Indoor Unit Dimensions Model Size A B C Unit Gross Weight Heat Pump 09K 12K 33 838 7 178 10 9 277 37 lbs 17 kg 18K 37 940 8 203 12 305 46 lbs 21 kg B A C Outdoor Unit Dimensions Model Size A B C Unit Gross Weight Heat Pump 18K 35 889 13 4 340 27 5 699 148 lbs 67 kg 24K 38 965 16 9 429 31 1 790 161 lbs 73 kg 30K 38 965 16 9 429 31 1 790 163 lbs 74 kg 42K 40...

Page 10: ...ymbol Color Symbol Symbol Part Name INDOOR UNIT BU BlUE BN BROWN PROTECTIVE EARTH YE YELLOW GN GREEN RD RED BK BLACK YEGN YELLOW GREEN OUTDOOR UNIT Symbol Part Name Symbol Color Symbol Symbol Color Symbol C1 CBB61 BN BROWN WH WHITE C2 CBB65 BU BLUE YE YELLOW SAT OVERLOAD BK BLACK RD RED COMP COMPRESSOR OG ORANGE YEGN YELLOW GREEN PROTECTIVE EARTH WH WHITE ...

Page 11: ...Johnson Controls Unitary Products 11 923212 UTG A 0113 Electrical Wiring 18K Outdoor Heat Pumps 24K Outdoor Heat Pumps ...

Page 12: ...923212 UTG A 0113 12 Johnson Controls Unitary Products 30K Outdoor Heat Pumps 42K Outdoor Heat Pumps ...

Page 13: ...by the start of the compressor The defrost timer is initiated and the frequency of the compressor increases to reach the defrost frequency 4 Oil returned in heating mode Oil return happens when the system has been operating at low frequency for a long time When this occurs H1 will be displayed on the indoor unit The oil return timer in heating mode is 5 minutes Fan Mode When the system is in fan m...

Page 14: ... 6 8 102 9 77 15 147 2 3 217 217 4 0 925 8 6 97 4 78 8 14 36 149 3 105 219 2 0 898 10 4 92 22 80 6 13 74 150 8 2 998 221 0 873 12 2 87 35 82 4 13 16 152 6 2 896 222 8 0 848 14 82 75 84 2 12 6 154 4 2 797 224 6 0 825 15 8 78 43 86 12 07 156 2 2 702 226 4 0 802 17 6 74 35 87 8 11 57 158 2 611 228 2 0 779 19 4 70 5 89 6 11 09 159 8 2 523 230 0 758 21 2 66 88 91 4 10 63 161 6 2 439 231 8 0 737 23 63 4...

Page 15: ...31 95 13 04 165 2 3 04 235 4 0 93 26 6 76 24 96 8 12 51 167 2 94 237 2 0 904 28 4 72 41 98 6 12 168 8 2 844 239 0 88 30 2 68 79 100 4 11 52 170 6 2 752 240 8 0 856 32 65 37 102 2 11 06 172 4 2 663 242 6 0 833 33 8 62 13 104 10 62 174 2 2 577 244 4 0 811 35 6 59 08 105 8 10 2 176 2 495 246 2 0 77 37 4 56 19 107 6 9 803 177 8 2 415 248 0 769 39 2 53 46 109 4 9 42 179 6 2 339 249 8 0 746 41 50 87 111...

Page 16: ... 8 342 8 77 49 19 147 2 10 54 217 4 3 04 8 6 323 9 78 8 47 08 149 10 18 219 2 2 955 10 4 306 2 80 6 45 07 150 8 9 827 221 2 872 12 2 289 6 82 4 43 16 152 6 9 489 222 8 2 792 14 274 84 2 41 34 154 4 9 165 224 6 2 715 15 8 259 3 86 39 61 156 2 8 854 226 4 2 64 17 6 245 6 87 8 37 96 158 8 555 228 2 2 568 19 4 232 6 89 6 36 38 159 8 8 268 230 2 498 21 2 220 5 91 4 34 88 161 6 7 991 231 8 2 431 23 209 ...

Page 17: ... after turning off all power supplies before disassembly STEPS PROCEDURES 1 Before disassembly of the unit 2 Remove filter 3 Remove display Axonometric drawing for the complete unit panel clasps filter a Open the panel b Loosen the clasps on the filter c Draw out two pieces of filter Display Remove 2 screws fixing display and then remove the filter ...

Page 18: ...ic box STEPS PROCEDURES Clasp Panel Pull the clasps at both sides slightly and then remove the panel horizontal louver Remove the axial bush on the horizontal louver and then remove the horizontal louver Screw Top cover of electric box a Remove screws fixing the top cover of electric box b Remove the top cover of electric box ...

Page 19: ...ew Cap Screw Front Case a Remove the screw caps on front case b Remove screws connecting the front case c Remove the front case screw Remove earthing screws and then remove the earthing wire Clasp Clasp electric box cover a Loosen clasps at the left side of electric box b Loosen clasps on the right side of electric box c Remove electric box cover ...

Page 20: ...STEPS PROCEDURES temperature sensor Pull out the indoor temperature sensor Screw Electric Box a Pull out 6 sockets on PCB board b Pull out two screws on electric box c Remove the electric box Water Tray Pull the water tray upwards and then remove the water tray Connection position for indoor and outdoor units connection pipe Separate the connection pipe between indoor and outdoor units ...

Page 21: ...te for indoor unit and then remove the pipe stopping Screw Damping Board Remove 2 screws on damping board and then remove the damping board Screw Evaporator a Remove screws between evaporator and bottom case b Turn over the indoor unit and adjust the pipe line to the position as shown by the broken line c Lift up the evaporator and then remove the evaporator Screw Remove 2 screws on fixing plate o...

Page 22: ...de and motor 19 Remove cushion rubber STEPS PROCEDURES Blade Motor a Remove screws fixing cross flow blade and motor b Remove the motor sub assy c Separate two cross flow blade Cushion Rubber a Remove the cushion rubber on cross flow blade b Remove the cushion rubber from the base ...

Page 23: ...move the screws connecting the top panel and panel and side panels Remove the top panel Loosen the screws fixing the valve cover and then remove the valve cover Top Panel Valve Cover b Loosen the screws connecting the front side panel and mask and chassis Remove the front side panel Front Side Plate Twist off the screws connecting the grille and panel and then remove the grille Grille Twist off th...

Page 24: ...rd grille and then remove the guard grille Guard Grille Twist off the screws fixing the handle and then remove the handle Handle Twist off the screws connecting the right side plate and chassis valve support and condenser and then remove the right side plate Right Side Plate a Twist off the screws on electric box cover with screwdriver and then remove the electric box cover Electric Box Cover ...

Page 25: ...t the wiring terminal pull it upwards to remove the electric box Electric Box Electric Box 1 c Twist off the screws between electric box 1 and left side plate with screwdriver pull it upwards to remove the electric box 1 Left Side Plate Twist off the screws connecting the left side plate and chassis with screwdriver and then remove the left side plate Axial Flow Blade Twist off the nuts on blade w...

Page 26: ...Way Valve Unsolder the pipeline between compressor condenser gas and liquid valve and then remove the 4 way valve note release all refrigerant before unsoldering Gas Valve Liquid Valve Twist off the 2 bolts fixing the valve sub assy Unsolder the soldering joint between gas valve and air return pipe and then remove the gas valve note when unsoldering the soldering joint wrap the gas valve with wet ...

Page 27: ...s on compressor and then remove the compressor Isolation Sheet Twist off the screws connecting isolation sheet and end plate of condenser and chassis and then remove the isolation sheet Support Plate of Condenser Twist off the screws connecting the support plate of condenser and condenser with screwdriver and then remove the support plate of condenser Condenser Chassis Pull it upwards to separate ...

Page 28: ...EIN6 ELBOW OUTSD 90DEG SPEEDICHANNEL 6 M10 S1 230 FB3 BEND FLAT 90 DEG SPEEDICHANNEL 3 M10 S1 230 FB4 BEND FLAT 90 DEG SPEEDICHANNEL 4 M10 S1 230 FB453 BEND FLAT 45 DEG SPEEDICHANNEL 3 M10 S1 230 FB454 BEND FLAT 45 DEG SPEEDICHANNEL 4 M10 S1 230 FB456 BEND FLAT 45 DEG SPEEDICHANNEL 6 M10 S1 230 FB6 BEND FLAT 90 DEG SPEEDICHANNEL 6 M10 S1 230 FJ3 JOINT FLEX SPEEDICHANNEL 3 M10 S1 230 FJ4 JOINT FLEX...

Page 29: ...Johnson Controls Unitary Products 29 923212 UTG A 0113 NOTES ...

Page 30: ...ubject to change without notice Published in U S A 923212 UTG A 0113 Copyright 2013 by Johnson Controls Inc All rights reserved Supersedes Nothing York International Corp 5005 York Drive Norman OK 73069 ...

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