Carrier 38MHR series Installation Instructions Manual
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Carrier 38MHR series Installation Instructions Manual

Outdoor unit single zone ductless system sizes 09 to 24
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Table of Contents

38MHR
Outdoor Unit Single Zone Ductless System
Sizes 09 to 24
NOTE: Read the entire instruction manual before starting the
installation.
Installation Instructions

TABLE OF CONTENTS

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  • Page 1: Table Of Contents

    38MHR Outdoor Unit Single Zone Ductless System Sizes 09 to 24 Installation Instructions TABLE OF CONTENTS NOTE: Read the entire instruction manual before starting the PAGE installation. SAFETY CONSIDERATIONS ......PARTS LIST .

  • Page 2: Safety Considerations

    SAFETY CONSIDERATIONS WARNING Installing, starting up, and servicing air−conditioning equipment can be hazardous due to system pressures, electrical components, ELECTRICAL SHOCK HAZARD and equipment location (roofs, elevated structures, etc.). Failure to follow this warning could result in personal Only trained, qualified installers and service mechanics should injury or death.

  • Page 3: Parts List

    PARTS LIST Table 1—Parts List PART NO. PART NAME QTY. Outdoor unit Literature package including installation instructions and warranty Grommet to secure the outdoor unit (helps with vibration prevention during unit operation) Drain Joint Drain Hose ■ Outdoor A150766 Fig. 1 - Parts List NOTE: −...

  • Page 4: System Requirements

    SYSTEM REQUIREMENTS Allow sufficient space for airflow and service of the unit. See Fig. 5 for the required minimum distances between the unit, walls or ceilings. Piping IMPORTANT: Both refrigerant lines must be insulated separately. S Table 3 contains piping information for the product covered within this document. Table 3—Piping and Refrigerant Information System Size 9K (115V)

  • Page 5: Dimensions − Outdoor

    DIMENSIONS − OUTDOOR Table 4—Dimensions and Weights System Size Height (H) in. (mm) Width (W) in. (mm) Depth (D) in. (mm) Weight-Net lbs. (kg) (115) 21.85(555) 30.31(770) 11.81(300) 57.3(26) (115V) 21.85(555) 30.31(770) 11.81(300) 57.8(26.2) Cooling (208/230V) 21.85(555) 30.31(770) 11.81(300) 54.7(24.8) Only (208/230V) 21.85(555)
  • Page 6 DIMENSIONS − OUTDOOR (CONT) 20.24 (514) 13.11 (333) 31.50 (800) 2.76 (7 0) 2.43 (6 1.8) 0.87 (2 2) 2.43 (6 1.6) Unit: inch(mm) Fig. 3 - Size 18K...
  • Page 7 DIMENSIONS − OUTDOOR (CONT) Unit: inch (mm) Fig. 4 - Size 24K...

  • Page 8: Clearances − Outdoor

    CLEARANCES − OUTDOOR Air-inlet Air-outlet A07894 Fig. 5 - Outdoor Unit Clearance Table 5—Outdoor Unit Clearance Dimensions UNIT MINIMUM VALUE in. (mm) 24 (610) 24 (610) 24 (610) 4 (101) 4 (101) NOTE: The outdoor unit must be mounted at least 2in. (50mm) above the maximum anticipated snow depth.

  • Page 9: Installation Tips

    4. Remove all the burrs from the cut cross section of the pipe INSTALLATION TIPS avoiding any burrs inside the tubes. Ideal installation locations include: 5. Remove the flare nuts attached to the indoor and outdoor Outdoor Unit units. S A location which is convenient to installation and not exposed to 6.

  • Page 10: Drain Hose

    INSTALL ALL POWER AND INTERCONNECTING DRAIN CONNECTIONS WIRING TO OUTDOOR UNITS Install drains must meet local sanitation codes. 1. Mount the outdoor power disconnect. Install the outdoor unit drain joint 2. Run the power wiring from the main box to disconnect per Fit the seal into the drain joint, then insert the drain joint into the NEC and local codes.

  • Page 11: Electrical Data

    ELECTRICAL DATA Table 8—Electrical Data (Cooling Only) Outdoor Unit Size Volts-PH-Hz (115V) (115V) (208/230V) (208/230V) (208/230V) (208/230V) Cooling Only Max – Min* 127-104 127-104 253-187 253-187 253-187 253-187 Oper. Voltage Power Supply MOCP Compressor Outdoor Fan Motor Rated HP 0.054 0.054 0.054 0.054...

  • Page 12: System Vacuum And Charge

    Deep Vacuum Method SYSTEM VACUUM AND CHARGE The deep vacuum method requires a vacuum pump capable of pulling CAUTION 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.

  • Page 13: Start−Up

    START−UP OUTDOOR UNIT 1. Are there unusual noises or vibrations during operation? Test Operation Explain the Following Items to the Customer (with the aid of Perform a test operation after completing a gas leak and electrical the Owner’s Manual): safety check. See the indoor unit installation instructions and 1.
  • Page 14 Copyright 2016 CAC/BDP . S 7310 W. Morris St. S Indianapolis, IN 46231 Edition Date: 11/16 Catalog No: IM-38MHR-01 Replaces: NEW Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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