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Mitsubishi Electric PAC-AH63 Installation Manual

Air handling unit controller.
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Air Handling Unit Controller
PAC-AH63, 125, 140, 250M-G
FOR INSTALLER
INSTALLATION MANUAL
For safe and correct use, please read this installation manual thoroughly before installing the controller.

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Table of Contents

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   Summary of Contents for Mitsubishi Electric PAC-AH63

  • Page 1 Air Handling Unit Controller PAC-AH63, 125, 140, 250M-G FOR INSTALLER INSTALLATION MANUAL For safe and correct use, please read this installation manual thoroughly before installing the controller.
  • Page 2 [Fig. 2.0.1] 1 Controller 2 LEV-kit 3 Thermistor 4 Clip 5 Insulation 6 Tie band 7 Installation manual 8 Tube [Fig. 3.0.1] A Air handling unit controller (PAC-AH · M-G) B Air handling unit (field supply) C Controller (field supply) D Outdoor unit E Indoor unit (City Multi) F Evaporator (field supply)
  • Page 3 [Fig. 4.2.1] A Controller B Screw (field supply) [Fig. 6.2.1] [Fig. 6.2.2] A Remove the cap Type 63 - 140 A Evaporator (field supply) B LEV-kit C Brazing D Linear expansion valve E Outdoor unit [Fig. 6.2.3] A Evaporator (field supply) B LEV-kit C Brazing D Linear expansion valve...
  • Page 4 [Fig. 6.3.1] A Evaporator (field supply) B Gas pipe C Thermistor (gas pipe) D Aluminum tape (field supply) E Insulation F Tie band [Fig. 6.3.2] A Evaporator (field supply) B Gas pipe C Thermistor (liquid pipe) D Aluminum tape (field supply) E Insulation F Tie band G Capillary tube...
  • Page 5 [Fig. 7.1.1] A Switch 16 A B Overcurrent protection 16 A C Indoor unit D Total operating current be less than 16 A E Pull box [Fig. 7.2.1] [Fig. 7.2.2] M1M2 M1M2 M1M2 M1M2 M1M2 M1M2 TB15 TB5 TB15 A Terminal block for AHU controller/ indoor transmission cable B Terminal block for outdoor trans- mission cable...
  • Page 6: Table Of Contents

    Contents 1. Safety precautions ..................6 6. Connecting refrigerant pipes ............... 9 1.1. Before installation and electric work .......... 6 6.1. Refrigerant piping work ............. 9 1.2. Precautions for devices that use R410A refrigerant ....6 6.2. Liner expansion valve piping work ..........9 1.3.
  • Page 7: Before Getting Installed

    - If water is mixed in the R410A, the refrigerator oil may deteriorate. • Use power line cables of sufficient current carrying capacity and rating. - Since R410A does not contain any chlorine, gas leak detectors for conven- - Cables that are too small may leak, generate heat, and cause a fire. tional refrigerants will not react to it.
  • Page 8: System Component

    3. System component [Fig. 3.0.1] (P.2) 3.1.3 Specifications of the evaporator A Air handling unit controller (PAC-AH · M-G) Select the evaporator (field supply) according to the table below. B Air handling unit (field supply) C Controller (field supply) Caution: D Outdoor unit If not, malfunction of the outdoor unit may be caused.
  • Page 9: Connecting Refrigerant Pipes

    6. Connecting refrigerant pipes 6.1. Refrigerant piping work Caution: Install the LEV-kit inside the AHU, and keep it away from rain or direct sun- This piping work must be done in accordance with the installation manuals for both light. outdoor unit and BC controller (simultaneous cooling and heating series R2). Caution: •...
  • Page 10: Power Supply Wiring

    8. Put the unit to the ground on the outdoor unit side. Connecting wiring 9. Select control cables from the conditions given in page 10 . [Fig. 7.0.1] (P.4) Caution: A Outer cover K Operation signal Be sure to put the unit to the ground on the outdoor unit side. Do not con- B Inner cover L Error signal nect the earth cable to any gas pipe, water pipe, lightening rod, or telephone...
  • Page 11: Connecting Lev-kit And Thermistor Cables

    7.3. Connecting LEV-kit and thermistor ca- Notes: • After connecting each wire to the terminal, tighten each nut tightly through bles which the wire runs. • Check that the bunch of wires do not come off even if they are pulled 7.3.1 Connecting LEV-kit cables strongly.
  • Page 12: Setting Switches

    8. Setting switches 8.1. Setting addresses 8.2. Setting unit size (Be sure to operate with the main power turned OFF.) Set the unit size according to the evaporator type (field supply). Set the dip switch (SW2) on the control board in accordance with the chart below. [Fig.
  • Page 16 This product is designed and intended for use in the residential, commer- cial and light-industrial environment. • Low Voltage Directive 73/23/EEC The product at hand is • Electromagnetic Compatibility Directive 89/ based on the following EU regulations: 336/EEC Please be sure to put the contact address/telephone number on this manual before handing it to the customer.

This manual is also suitable for:

Pac-ah125Pac-ah140Pac-ah250m-g

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