Mitsubishi Electric MXZ-3A30NA Installation Manual
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Also See for MXZ-3A30NA:
- Installation manual (21 pages) ,
- Specifications (3 pages) ,
- Service manual (138 pages)
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SPLIT-TYPE AIR CONDITIONERS
MXZ-3A30NA
Model
[FLARE CONNECTION TYPE]
INSTALLATION MANUAL
This manual mentions how to install only the outdoor unit,
MXZ-3A30NA. As for the way of installation for indoor unit
(MSZ-A09NA, MSZ-A12NA, MSZ-A15NA, MSZ-A17NA and MSZ-
A24NA), please refer to the installation manual being attached
each indoor unit.
The installation manual details the suggested installation
method.
Any structural alterations necessary for installation must com-
ply with local building code requirements.
FOR INSTALLER
ATTENTION
HFC
utilized
R410A
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Table of Contents
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Summary of Contents for Mitsubishi Electric MXZ-3A30NA
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Page 1: Installation Manual
INSTALLATION MANUAL ATTENTION This manual mentions how to install only the outdoor unit, MXZ-3A30NA. As for the way of installation for indoor unit (MSZ-A09NA, MSZ-A12NA, MSZ-A15NA, MSZ-A17NA and MSZ- A24NA), please refer to the installation manual being attached each indoor unit. -
Page 2: Table Of Contents
English CONTENTS Español 1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY ................... 2 2. INSTALLATION DIAGRAM & ACCESSORIES ........ 2 3. SELECTING THE INSTALLATION LOCATION ........ 3 4. OUTDOOR UNIT INSTALLATION ........... 4 5. INDOOR/OUTDOOR UNITS CONNECTION FINISHING AND TEST RUN .................. -
Page 3: The Following Should Always Be Observed For
1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY • Please report to your supply authority or obtain their consent before connecting this equipment to the power supply system. • Be sure to read “THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY” before install- ing the air conditioner. -
Page 4: Installation Diagram & Accessories
2. INSTALLATION DIAGRAM & ACCESSORIES Before installation This installation manual is only for the outdoor unit installation. In installing the indoor units, refer to the installation manual attached to each indoor unit. Any structual alternations necessary for the installation must comply with the local building code require- ments. - Page 5 Parts to be locally procured Power supply cord Indoor/outdoor unit connecting wire Extension pipe According to “Selecting pipe size” Wall hole cover Piping tape Extension drain hose (or soft vinyl chloride hose of 15 mm (19/32 in.) in internal dia.) Refrigeration oil Little amount Putty...
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Page 6: Selecting The Installation Location
3. SELECTING THE INSTALLATION LOCATION • Where it is not exposed to strong wind. • Where airflow is good and dustless. • Where it is not exposed to rain and direct sunshine. • Where neighbours are not annoyed by operation sound or hot air. •... - Page 7 FREE SPACE REQUIRED AROUND OUTDOOR UNIT [Unit: mm (inch)] 1. Top side obstacles 2. Front (blowing) side open When there is an obstacle behind the rear side only, As long as space like the one shown in the figure it does not matter if there is an obstacle over the can be maintained, it does not matter if there are obstacles in there direciton (but top side is open).
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Page 8: Outdoor Unit Installation
4. OUTDOOR UNIT INSTALLATION INSTALLING THE UNIT • Be sure to fix the unit’s legs with bolts when installing it. • Be sure to install the unit firmly to ensure that it does not fall from an earthquake or from a gust of wind. •... - Page 9 208/230, 1, 60 Min. Circuit Ampacity (A) Fan motor (F.L.A) 0.76 0.76 0.76 0.76 0.76 OUTDOOR UNIT MXZ-3A30NA Power supply (V, PHASE, Hz) 208/230, 1, 60 Max. Fuse size (time delay) (A) Min. Circuit Ampacity (A) Fan motor (F.L.A) 0.93 (R.L.A) Compressor (L.R.A)
- Page 10 • A disconnect switch may be required. Check the local code. Remark: * A disconnect switch may be required. Check the local code. ** Use a ring tongue terminal in order to connect a ground wire to terminal. INDOOR UNIT Å INDOOR UNIT ı...
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Page 11: Indoor/Outdoor Units Connection Finishing And
5. INDOOR/OUTDOOR UNITS CONNECTION FINISHING AND TEST RUN TOOLS DEDICATED FOR THE AIR CONDITIONER WITH R410A RE- FRIGERANT The following tools are required for R410A refrigerant. Some R22 tools can be substituted for R410A tools. R410A tools Can R22 tools be used? Description Gauge manifold R410A has high pressures beyond the measurement range of existing gauges. - Page 12 SELECTING PIPE SIZE The diameter of connection pipes differs according to the type and capacity of indoor units. Match the diam- eters of connection pipes for indoor and outdoor units according to the following table. Allowable Valve size for outdoor unit Pipe size for indoor unit Model name connection pipe size...
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Page 13: Flaring Work
FLARING WORK • Main cause of gas leakage is defect in flaring work. Perform flaring work correctly in the following procedure. No good 1. Pipe cutting Good Copper Tilted Uneven Burred 90° • Cut the copper tube correctly with pipe cutter. tube 2. -
Page 14: Pipe Connection
PIPE CONNECTION Note: Fasten a flare nut with a torque wrench as specified in the table below. When fastened too tight, a flare nut may broken after a long period and cause a leakage of refrigerant. 1. Indoor unit connection •... - Page 15 PURGING PROCEDURES • LEAK TEST • Perform the manifold valve work securely according to the installation manual of the manifold valve. PURGING PROCEDURES Connect the refrigerant pipes (both liquid pipe and gas pipe) between the indoor and the outdoor unit. Remove the service port cap of the stop valve on the gas pipe side of the outdoor unit.
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Page 16: Grounding Work
WARNING: When installing or moving the unit, do not mix anything other than specified refrigerant (R410A) into the refrigerating cycle. If air is mixed, it may cause the refrigerating cycle to get abnormally high temperature, causing a risk of burst. Tightening torque N·m ft.·Ib... - Page 17 Union Outdoor Indoor unit unit Union Stop valve with service port Gas pipe Union (MXZ-3A30NA) Refrigerant gas cylinder operating valve (for R410A) Gauge manifold valve (for R410A) Charge hose (for R410A) Refrigerant gas cylinder for R410A with siphon Refrigerant (liquid)
- Page 18 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 detect any erroneous connection, if any, of the refrigerant pipes and the indoor/outdoor unit connecting wires.