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DMS 38MHR, Installation Instructions Manual

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DMS 38MHR Installation Instructions Manual Download Page 14

14

Copyright 2017 CAC/BDP. 

S

  7310 W. Morris St. 

S

  Indianapolis, IN  46231

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Catalog  No: IM-38MHR-02

    Replaces: IM-38MHR-01

Edition Date: 6/17

Summary of Contents for 38MHR

Page 1: ...ages are for illustration purposes only Actual models may differ slightly TABLE OF CONTENTS PAGE SAFETY CONSIDERATIONS 2 PARTS LIST 3 SYSTEM REQUIREMENTS 4 WIRING 4 DIMENSIONS OUTDOOR 5 CLEARANCES OUTDOOR 8 INSTALLATION TIPS 9 OUTDOOR UNIT INSTALLATION 9 ELECTRICAL DATA 11 CONNECTION DIAGRAMS 11 SYSTEM VACUUM AND CHARGE 12 START UP 13 OUTDOOR UNIT DIAGNOSTIC GUIDES 13 ...

Page 2: ...s hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation WARNING ELECTRICAL SHOCK HAZARD Failure ...

Page 3: ...drips from the connection pipe before it enters the wall Piping and the interconnecting wiring are field supplied The illustration above is only a sketch Different models may be slightly different The following units are covered in these installation instructions Table 2 Unit Sizes Cooling Only SYSTEM TONS BTUh VOLTAGE PHASE OUTDOOR MODEL 0 75 9 000 115 1 38MHRC09A 1 1 00 12 000 115 1 38MHRC12A 1 ...

Page 4: ...and local codes Use Electrical Data table MCA minimum circuit amps and MOCP maximum over current protection to correctly size the wires and the disconnect fuse or breakers respectively Per the caution note only stranded copper conductors with a 600 volt insulation rating wire must be used Recommended Connection Method for Power and Communication Wiring The main power is supplied to the outdoor uni...

Page 5: ... 88 6 40 2 Heat Pump System Size Height H in mm Width W in mm Depth D in mm Weight Net lbs kg 9K 115 21 85 555 30 31 770 11 81 300 61 5 27 9 12K 115V 21 85 555 30 31 770 11 81 300 65 0 29 5 9K 208 230V 21 85 555 30 31 770 11 81 300 57 1 25 9 12K 208 230V 21 85 555 30 31 770 11 81 300 60 6 27 5 18K 208 230V 21 81 554 31 50 800 13 11 333 94 6 42 9 24K 208 230V 27 64 702 33 27 845 14 29 363 105 2 47 ...

Page 6: ... 800 20 24 514 21 81 554 2 36 6 0 3 37 8 5 5 13 39 340 0 47 1 2 12 24 311 12 80 325 13 11 333 2 76 7 0 H H1 H2 D1 D2 D3 2 43 6 1 8 4 17 1 06 0 87 2 2 R 0 79 R 20 R 0 24 R 6 2 43 6 1 6 D W W1 W2 B1 B2 A2 A1 Unit inch mm Fig 3 Size 18K ...

Page 7: ...7 DIMENSIONS OUTDOOR CONT Unit inch mm Fig 4 Size 24K ...

Page 8: ...t C E A07894 Fig 5 Outdoor Unit Clearance Table 5 Outdoor Unit Clearance Dimensions UNIT MINIMUM VALUE in mm A 24 610 B 24 610 C 24 610 D 4 101 E 4 101 NOTE The outdoor unit must be mounted at least 2in 50mm above the maximum anticipated snow depth ...

Page 9: ...inants to avoid damaging the refrigerant system Avoid sags in the suction line to prevent the formation of oil traps Insulate each tube with a minimum 3 8 in 10 mm wall thermal pipe insulation Inserting the tubing into the insulation before making the connections will save time and improve installation quality 1 Remove the service valve cover if provided with the unit 2 Cut the pipe with a pipe cu...

Page 10: ... malfunction A fire hazard may also exist Therefore ensure all wiring is tightly connected S No wire should be allowed to touch the refrigerant tubing compressor or any moving parts S Disconnecting means must be provided and shall be located within sight and readily accessible from the air conditioner S Connecting cable with the conduit shall be routed through hole in the conduit panel Over 1 57 4...

Page 11: ...ible limits of the voltage range at which the unit will operate satisfactorily LEGEND FLA Full Load Amps MCA Minimum Circuit Amps MOCP Maximum Over Current Protection RLA Rated Load Amps CONNECTION DIAGRAMS S L N 115 1 60 Main PowerSupply 115 1 60 L N S L N Power to Indoor Unit CONNECTING CABLE OUTDOORTOINDOOR GND Ground Indoor Signal High Voltage 115 1 60 115 1 60 FIELD POWER SUPPLY GND Indoor Si...

Page 12: ...Vacuum Method The deep vacuum method requires a vacuum pump capable of pulling a vacuum of 500 microns and a vacuum gage capable of accurately measuring this vacuum depth The deep vacuum method is the best way to assure a system is free of air and liquid water see Fig 16 500 MINUTES 0 1 2 3 4 5 6 7 1000 1500 LEAK IN SYSTEM VACUUM TIGHT TOO WET TIGHT DRY SYSTEM 2000 MICRONS 2500 3000 3500 4000 4500...

Page 13: ...or unit s problems If possible always check the diagnostic codes displayed on the indoor unit first The diagnostic codes displayed on the outdoor units are listed on Table 10 Table 10 Unit Diagnostic Guides DISPLAY LED STATUS E1 Communication malfunction between indoor and outdoor units F0 Protection of over current F1 Open circuit or short circuit of outdoor ambient temperature sensor T4 F2 Open ...

Page 14: ...P S 7310 W Morris St S Indianapolis IN 46231 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No IM 38MHR 02 Replaces IM 38MHR 01 Edition Date 6 17 ...

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