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Mitsubishi Electric Mr.Slim PUHZ-RP-HA2 Installation Manual
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Mitsubishi Electric Mr.Slim PUHZ-RP-HA2 Installation Manual

Mitsubishi Electric Mr.Slim PUHZ-RP-HA2 Installation Manual

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Air-Conditioners
PUHZ-RP·HA2
INSTALLATION MANUAL
For safe and correct use, read this manual and the indoor unit installation manual thoroughly before installing
the air-conditioner unit.
FOR INSTALLER
English

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Summary of Contents for Mitsubishi Electric Mr.Slim PUHZ-RP-HA2

  • Page 1 Air-Conditioners PUHZ-RP·HA2 INSTALLATION MANUAL FOR INSTALLER English For safe and correct use, read this manual and the indoor unit installation manual thoroughly before installing the air-conditioner unit.

  • Page 2: Table Of Contents

    • The unit must be securely installed on a structure that can sustain its weight. • Use only accessories authorized by Mitsubishi Electric and ask a dealer or If the unit is mounted on an unstable structure, it may fall down and cause an authorized technician to install them.

  • Page 3: Before Starting The Test Run

    1. Safety precautions 1.3. Before electric work Caution: • Be sure to install circuit breakers. If not installed, electric shock may result. • Be sure to ground the unit. Do not connect the ground wire to gas or water pipes, lighting rods, or telephone grounding lines. If the unit is not properly •...

  • Page 4: Installing The Outdoor Unit

    2. Installation location 2.4.2. When installing a single outdoor unit (Refer to the last page) Minimum dimensions are as follows, except for Max., meaning Maximum dimensions, indicated. The figures in parentheses are for RP100-140 models. Refer to the figures for each case. 1 Obstacles at rear only (Fig.

  • Page 5: Installing The Refrigerant Piping

    4. Installing the refrigerant piping 4.1. Precautions for devices that use R410A refrigerant • Refer to page 3 for precautions not included below on using air conditioners with R410A refrigerant. • Use ester oil, ether oil, alkylbenzene oil (small amount) as the refrigeration oil applied to the flared sections.
  • Page 6 4. Installing the refrigerant piping 4.3. Refrigerant piping (Fig. 4-3) I For RP71-140 Remove the service panel D (three screws) and the front piping cover A (two screws) A Front piping cover and rear piping cover B (two screws). B Piping cover 1 Perform refrigerant piping connections for the indoor/outdoor unit when the out- C Stop valve door unit’s stop valve is completely closed.

  • Page 7: Drainage Piping Work

    4. Installing the refrigerant piping 4.7. Precautions when reusing existing R22 refrigerant pipes • Refer to the flowchart below to determine if the existing pipes can be used and if it is necessary to use a filter dryer. • If the diameter of the existing pipes is different from the specified diameter, refer to technological data materials to confirm if the pipes can be used. •...

  • Page 8: Electrical Work

    6. Electrical work I RP71-140V 6.1. Outdoor unit (Fig. 6-1, Fig. 6-2) 1 Remove the service panel. 2 Wire the cables referring to the Fig. 6-1 and the Fig. 6-2. S1 S2 S3 *With Heater model only For Heater I RP100-140Y A Earth terminal B Terminal block A Indoor unit...

  • Page 9: Test Run

    7. Test run 7.1. Before test run s After completing installation and the wiring and piping of the indoor and outdoor • The insulation resistance drops due to accumulation of refrigerant in the com- units, check for refrigerant leakage, looseness in the power supply or control pressor.

  • Page 10: Special Functions

    8. Initial settings for refrigerant leakage detection function [Display D] Waiting for stabilization 3 Press ( ) button to confirm. (Fig. 8-3) FILTER Stabilized s How to finish the initial learning Once the unit’s operation is stabilized, the initial learning is completed. After 45 minutes 4 Press button for more than three seconds to cancel the initial learning.
  • Page 11 Fig. 2-6 Fig. 2-7 1000 ( 1500 ) 300 ( 500 ) Fig. 2-8 Fig. 2-9 Fig. 2-10 Fig. 2-11 Fig. 2-12 Fig. 2-13 Fig. 2-14 Fig. 2-15 Fig. 2-16 Fig. 2-17 Fig. 2-18...
  • Page 12 This product is designed and intended for use in the residential, commercial and light-industrial environment. Please be sure to put the contact address/telephone number on this manual before handing it to the customer. HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN Printed in Japan BG79U640K01...

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