Installation manual

ManualsBrandsMitsubishi Electric ManualsDomestic AppliancesMXZ-3A54VA - E6

SPLIT-TYPE AIR CONDITIONER

INSTALLATION MANUAL

Model MXZ-3A54VA

MXZ-4A71VA

FOR INSTALLER

HFC

utilized

R410A

Refer to the installation manual of each indoor unit for indoor unit installation.

CONTENTS

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 .........................................................................................5

IMPORTANT NOTES

TO COMPLY WITH THE REQUIREMENTS OF AUSTRALIAN

STANDARD AS 3000 S.A.A. WIRING RULES, THE ELECTRICAL

WIRING REQUIRED BETWEEN THE INDOOR AND OUTDOOR

UNITS MUST BE INSTALLED BY A LICENCED ELECTRICAL

CONTRACTOR.

Summary of content (9 pages)

PAGE 1
SPLIT-TYPE AIR CONDITIONER CONTENTS 1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR INSTALLATION MANUAL Model MXZ-3A54VA MXZ-4A71VA 2. INSTALLATION DIAGRAM & ACCESSORIES ..................................2 HFC 3. SELECTING THE INSTALLATION LOCATION .................................3 R410A 5. INDOOR/OUTDOOR UNITS CONNECTION FINISHING AND utilized Refer to the installation manual of each indoor unit for indoor unit installation. FOR INSTALLER SAFETY .................................................
PAGE 2
1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY 2. INSTALLATION DIAGRAM & ACCESSORIES • Be sure to read “THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY” before installing the air conditioner. • Be sure to observe the cautions speciﬁed here as they include important items related to safety. • The indications and meanings are as follows. Before installation This installation manual is only for the outdoor unit installation.
PAGE 3
. SELECTING THE INSTALLATION LOCATION Parts to be locally procured D Wall hole cover 1 E Piping tape Extension drain hose (or soft vinyl chloride hose of 15 mm in internal dia. or hard vinyl chloride pipe VP16) Refrigeration oil 1 A B F G H I J K L • • • • • • • • 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 4
. OUTDOOR UNIT INSTALLATION 4-1 INSTALLING THE UNIT FREE SPACE REQUIRED AROUND OUTDOOR UNIT (Unit: mm) 1. Top side obstacles When there is an obstacle behind the rear side only, it does not matter if there is an obstacle over the top side as shown in the ﬁgure below. 100 or more • 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 by an earthquake or a gust. • Refer to the ﬁgure in the right for concrete foundation. 2.
PAGE 5
. INDOOR/OUTDOOR UNITS CONNECTION FINISHING AND TEST RUN • 5-1 FLARED CONNECTIONS For the power supply cord and the indoor/outdoor unit connecting wires, be sure to use the ones in compliance with the standards. Be sure to push the core until it is hidden and pull each cable to make sure that it is not pulled up. Incomplete insertion may cause a risk of burning the terminal blocks. • Power supply cord Speciﬁcation Cable 3-core 2.5 mm2, in conformity with Design 245 IEC 57.
PAGE 6
* • • • • • Connections at outdoor unit are described as unit A, B, C and D below corresponding to the indication on each valve. If the diameter of connection pipes does not match the diameter of pipe end connections, use optional different-diameter joints. When connecting the model 50 to either unit B, C or D for MXZ-4A71VA and A, B or C for MXZ-3A54VA, use optional different-diameter joints MAC-A454JP because the valve size of gas pipes for the outdoor unit is ø9.52 mm.
PAGE 7
5-4 PURGING PROCEDURES·LEAK TEST 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. • 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.
PAGE 8
5-7 LOWERING THE OPERATING NOISE OF THE OUTDOOR UNIT • * Description of the function: With this function, you can lower the operation noise of the outdoor unit when the operation load is small, for example, during nighttime in COOL mode. However, please note that the cooling and heating capacity can also be lowered if this function is activated. CAUTION: When charging the refrigerant system with additional refrigerant, be sure to use liquid refrigerant.
PAGE 9
HEAD OFFICE: TOKYO BLDG.