Installation manual

ManualsBrandsMitsubishi ManualsDomestic AppliancesMFZ-KA50VA - E4MFZ-KA35VA

INSTALLATION MANUAL

FOR INSTALLER

Floor Type Air-Conditioner

MFZ-KA25VA

MFZ-KA35VA

MFZ-KA50VA

• This manual only describes the installation of indoor unit.

When installing the outdoor unit, refer to the installation

manual of outdoor unit.

English

CONTENTS

1. BEFORE INSTALLATION ..............................................................................2

2. INDOOR UNIT INSTALLATION .....................................................................4

3. FLARING WORK AND PIPE CONNECTION .................................................7

4. TEST RUN .....................................................................................................8

5. PUMPING DOWN ..........................................................................................8

CONNECTING AN INTERFACE TO THE AIR CONDITIONER (OPTION) ....9

IMPORTANT NOTES

TO COMPLY WITH THE REQUIREMENTS OF AUSTRALIAN STANDARD

AS/NZS 3000 ELECTRICAL INSTALLATIONS (Wiring Rules),

THE ELECTRICAL WIRING REQUIRED BETWEEN THE INDOOR AND

OUTDOOR UNITS MUST BE INSTALLED BY A LICENCED ELECTRICAL

CONTRACTOR.

JG79A144H05.indd 1 2011/06/22 16:01:10

Summary of content (12 pages)

PAGE 1
Floor Type Air-Conditioner MFZ-KA25VA MFZ-KA35VA MFZ-KA50VA INSTALLATION MANUAL English • This manual only describes the installation of indoor unit. When installing the outdoor unit, refer to the installation manual of outdoor unit. IMPORTANT NOTES TO COMPLY WITH THE REQUIREMENTS OF AUSTRALIAN STANDARD AS/NZS 3000 ELECTRICAL INSTALLATIONS (Wiring Rules), THE ELECTRICAL WIRING REQUIRED BETWEEN THE INDOOR AND OUTDOOR UNITS MUST BE INSTALLED BY A LICENCED ELECTRICAL CONTRACTOR. CONTENTS 1.
PAGE 2
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 warnings and cautions specified here as they include important items related to safety. • After reading this manual, be sure to keep it together with the OPERATING INSTRUCTIONS for future reference. WARNING (Could lead to death, serious injury, etc.) n Do not install the unit by yourself (user).
PAGE 3
1-4. SPECIFICATIONS Model Pipe size (thickness *3, *4) Power supply *1 Wire specifications *2 Rated Frequency Voltage Indoor/outdoor connecting wire Gas Liquid 4-core 1.5 mm2 ø9.52 mm (0.8 mm) ø12.7 mm (1.0 mm) ø6.35 mm (0.8 mm) MFZ-KA25/35VA 230 V MFZ-KA50VA 50 Hz *1 Connect to the power switch which has a gap of 3 mm or more when open to interrupt the source power phase. (When the power switch is shut off, it must interrupt all phases.) *2 Use wires in conformity with design 60245 IEC 57.
PAGE 4
2. INDOOR UNIT INSTALLATION 2-1. FIXING OF INDOOR UNIT MOUNTING BRACKET • Find a structural material (such as a stud) in the wall and fix bracket (7) horizontally with fixing screws (8). • To prevent bracket (7) from vibrating, be sure to install the fixing screws in the holes indicated by [->] in the illustration. For added support, fixing screws may also be installed in other holes. Wall 2-2. HOLE DRILLING ø65mm (KA25/35) ø75mm (KA50) 1) Determine the wall hole position. 2) Drill a dia.
PAGE 5
2-4. INDOOR UNIT INSTALLATION • Hook the top of the indoor unit on the indoor unit mounting bracket (7). • Use the included wood screws (9) and washer (10), and fasten the indoor unit at 2 locations( ) each at the top and the middle of the unit. 2-5. EMBEDDING THE INDOOR UNIT IN A WALL • When installing a grating, use a grating with narrow upper and lower horizontal bars so that the airflow from the upper and lower air outlets does not contact the bars.
PAGE 6
2-7. PIPE FORMING AND INSTALLATION Pipe Forming • Route the drain hose diagonally below the connecting pipes. • Make sure that the drain hose is not routed upward and that there are no waves in the hose. • Do not pull the hose when applying the tape. • Route the piping so that it does not project past the rear of the indoor unit. (Refer to the figure to the right.
PAGE 7
2-9. FRONT PANEL INSTALLATION 1) Open the horizontal vane for the upper air outlet. 2) Fit the front panel onto the indoor unit from the front, and then push the upper and lower areas that are marked with arrows. 3) Push the areas below the upper air outlet and the areas above and below the lower air outlet that are marked with arrows. 4) After installing the front panel, install the 2 screws below the upper air outlet. 3. FLARING WORK AND PIPE CONNECTION 3-1.
PAGE 8
4. TEST RUN 4-1. TEST RUN Make sure the following is done. • The area around the damper is free of any objects, and the movement of the damper is not blocked. • Panel is installed correctly. • Indoor and outdoor units are installed correctly, and power is supplied. 1) Press the E.O. SW once for COOL, and twice for HEAT operation. Test run will be performed for 30 minutes. If the left lamp of the operation indicator blinks every 0.
PAGE 9
6. CONNECTING AN INTERFACE TO THE AIR CONDITIONER (OPTION) Connecting an interface to the air conditioner • Connect an interface to the indoor control board of an air conditioner with a connecting cable. • Cutting or extending the connecting cable of the interface results in defects in connecting. Do not bundle the connecting cable together with power supply cord, indoor/outdoor connecting wire, and/or earth wire. Keep as much distance as possible between the connecting cable and those wires.
PAGE 10
JG79A144H05.
PAGE 11
JG79A144H05.
PAGE 12
HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN JG79A144H05 JG79A144H05.