Mitsubishi MXZ-4D80VA Installation Manual

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Summary of Contents:

[Page 1] Mitsubishi MXZ-4D80VA

Installation Manual For INSTALLER • This manual only describes the installation of outdoor unit. When installing the indoor unit, refer to the installation manual of indoor unit. Split-type Air-Conditioner MXZ-4D80VA MXZ-5D100VA English BH79A...

[Page 2] Mitsubishi MXZ-4D80VA

En-1 1. BEFORE INSTALLATION 1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY • Be sure to read “THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY” before installing the air conditioner. • Besuretoobservethewarning...

[Page 3] Mitsubishi MXZ-4D80VA

En-2 3. Obstacles in front (blowing) only When there is an obstacle in front of theunitasshowninthegure,open space above, behind, and on the sides of the unit is required. 2. Front (blowing) side open As long as sp...

[Page 4] Mitsubishi MXZ-4D80VA

En-3 1-5. INSTALLATION DIAGRAM Units should be installed by licensed contractor according to local code requirements. ACCESSORIES Check the following parts before installation. (1) Drain socket 1 PARTS TO BE PROVIDED AT YOUR SITE (A) Power supply co...

[Page 5] Mitsubishi MXZ-4D80VA

En-4 2. OUTDOOR UNIT INSTALLATION 2-1. INSTALLING THE UNIT 2-2. CONNECTING WIRES FOR OUTDOOR UNIT 35 mm 15 mm Lead wire • Be sure to attach each screw to its correspondent terminal when securing the cord and/or the wire to the terminal block. �...

[Page 6] Mitsubishi MXZ-4D80VA

En-5 4-1. PURGING PROCEDURES AND LEAK TEST Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 5 Fig. 6 3. FLARING WORK AND PIPE CONNECTION 3-1. FLARING WORK Pipe diameter (mm) Nut (mm) A (mm) Tightening torque Clutch type tool for R410A Clutch type tool fo...

[Page 7] Mitsubishi MXZ-4D80VA

En-6 4-3. LOCKING THE OPERATION MODE OF THE AIR CONDITIONER (COOL, DRY, HEAT) 4-4. LOWERING THE OPERATION NOISE OF THE OUTDOOR UNIT 4-2. GAS CHARGE Perform gas charge to unit. 1) Connect gas cylinder to the service port of stop valve. 2) Perform ai...

[Page 8] Mitsubishi MXZ-4D80VA

En-7 4-6. TEST RUN • Test runs of the indoor units should be performed individually. See the installation manual coming with the indoor unit, and make sure all the units oper- ate properly. • If the test run with all the units is performed at o...