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Mitsubishi Electric MXZ-3A30NA Installation Manual

Split-type air conditioners
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Download this manual See also: Service Manual, Installation Manual
,_
MITSUBISHI
ELECTRIC
Split-type Air-Conditioner
MXZ-3A30NA
MXZ-4A36NA
INSTALLATION MANUAL
•
Refer to the installation
manual
of each indoor unit for indoor unit in-
stallation.
ii
i i
This manual mentions how to install only the outdoor unit (MXZ-3A30NA,
MXZ-
4A36NA). As for the way of installation for indoor unit, please refer to the installa-
tion manual being attached each indoor unit.
The installation manual details the suggested installation method.
Any structural alterations necessary for installation must comply with local build-
ing code requirements.
1. BEFORE INSTALLATION ..............................................................................
2
2. OUTDOOR UNIT INSTALLATION .................................................................
5
3. FLARING WORKAND
PIPE CONNECTION .................................................
7
4. PURGING PROCEDURES,
LEAK TEST, AND TEST RUN ........................... 8
FOR INSTALLER

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Summary of Contents for Mitsubishi Electric MXZ-3A30NA

  • Page 1 This manual mentions how to install only the outdoor unit (MXZ-3A30NA, MXZ- 4A36NA). As for the way of installation for indoor unit, please refer to the installa- tion manual being attached each indoor unit.

  • Page 2: The Following Should Always Be Observed For Safety

    Frequency Max. pipe length per indoor Voltage unit / for multi-system height difference door unit / for multi system MXZ-3A30NA 208/ 60 Hz 25 m (82 ft) / 70 m (230 ft) 15 m (49 ft) 25 / 70 20 glm (1.06 oz each 5 ff)

  • Page 3: Selecting The Installation Location

    1-4. SELECTING PIPE SIZE AND OPTIONAL DIFFERENT-DIAMETER JOINTS The diameter of connection pipes differs according to the type and capacity of indoor units. Match the diameters of connection pipes for indoor and outdoor units according to the following table. • If the diameter of connection pipes does not match the diameter of pipe end connections, use optional different-diameter...

  • Page 4: Installation Diagram

    (19,69 ,in.)_the front COOL operation for 30 minutes (K) Wall hole sleeve and both sides are open and pump down before removing MXZ-3A30NA the old air conditioner. Remake Soft PVC hose, 25 mm (31/32 in.) (L) inner diameter or hard PVC pipe...

  • Page 5: Installing The Unit

    • Screws should be tightened so they won't loosen. ELECTRICAL SPECIFICATIONS OUTDOOR UNIT MXZ-3A30NA MXZ-4A36NA Power supply (V, PHASE, Hz) 208/230, 1,60 Max. Fuse size (time delay) (A) Min. Circuit Ampacity (A) Fan motor (F.LA) 0.93...
  • Page 6 Remark: A disconnect switch should be required. Check the local code, ** Use a ring tongue terminal in order to connect a ground wire to terminal. *** MXZ4A36NA only [ INDOOR UNITE'_I [ INDOOR UNITi',&'I Terminal block " r INDOOR UNITI_'I " Terminal block Terminal block [ INDOOR UNITIIb-I...

  • Page 7: Flaring Work

    3-1. FLARING WORK 1) Cut the copper pipe correctly with pipe cutter. (Fig. 1, 2) 2) Completely remove all burrs from the cut cross section of pipe. (Fig. 3) Good No good • Put the end of the copper pipe to downward direction as you remove burrs in order to avoid to let burrs drop in the piping.

  • Page 8: Gas Charge

    4-1. PURGING PROCEDURES AND LEAK TEST -0.101MPa 1) Remove service port cap of stop valve on the side of the outdoor unit [-760 mmHg Compound pressure gas pipe. (The stop valve will not work in its initial state fresh out of the *4 to 5 turns (-30 in.
  • Page 9 4-3. TEST RUN • Be sure to perform the test run for each unit. Make sure each indoor unit operates properly following the installation manual attached to the unit. • If you perform the test run for all indoor units at once, you cannot de- tect any erroneous connection, if any, of the refrigerant...
  • Page 11 _1 MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN JG79A073H02...

This manual is also suitable for:

Mxz-4a36na

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