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4

4. OUTDOOR UNIT INSTALLATION

4-1

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 by an earthquake or a gust.

• Refer to the figure in the right for concrete foundation.

Note:
The length of anchor bolts should be within 25 mm from
each anchor leg.

• Do not use the drain socket and the drain cap in the cold

region.
Drain may freeze and it makes the fan stop.

 CAUTION:

Be sure to carry out drain piping work following the in-
stallation manual.
If there is some deficiency in draining and piping work, it
may cause a risk of dripping from the unit, wetting or
forling your property.

4-2

MOUNTING ARRANGEMENT OF DRAIN SOCKET

 CAUTION:

Do not use drain socket and drain cap in the cold region.
Drain may freeze and it makes the fan stop.

1

Please choose one hole to discharge drain and install the drain socket to the hole.

2

Please close the rest of the holes with the drain caps.

3

Please connect a vinyl hose of 25 mm in the inside diameter on the market with the drain socket and lead
drain.

4-3

HOW TO REMOVE THE SERVICE PANEL AND THE CONNECT COVER

• Remove the four service panel securing screws, and pull

the panel down in an arrow direction to remove the service
panel.

• Remove the four connect cover securing screws to remove

the connect cover.

FREE SPACE REQUIRED AROUND OUTDOOR UNIT (Unit: mm)

500 or more

100 or more

200 or more

350 or more

100 or more

500 or more

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.

2. Front (blowing) side open

As long as space like the one shown in the figure
can be maintained, it does not matter if there are
obstacles in three direciton (but top side is open).

3. Obstacles on front (blowing) side only

In this case, the rear, both sides and top should be
open.

4. Obstacles on front and rear side only

The unit can be used by attaching an optional out-
door blowing guide (MAC-855SG) (but both sides
and top are open).

100 or more

500 or more

Blowing guide (MAC-855SG)

100 or more

500 or more

100 or more

Service space

350 or more

500 or more

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5. Service space

Keep the service space as shown in the figure be-
low for maintenance.

500

330

Service panel

Fix here with
M10 bolts.

Make the setting
depth deeper.

Make with wider.

Anchor leg

25 mm or less

Anchor both length

Anchor both pitch

(Unit: mm)

Connect
cover

Summary of Contents for MXZ-A26

Page 1: ...LATION DIAGRAM ACCESSORIES 2 3 SELECTING THE INSTALLATION LOCATION 3 4 OUTDOOR UNIT INSTALLATION 4 5 INDOOR OUTDOOR UNITS CONNECTION FINISHING AND TEST RUN 6 HFC utilized R410A 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 ...

Page 2: ...ing works It could cause an electric shock The appliance shall be installed in accordance with national wiring regulations When installing or relocating the unit make sure that no substance other than the speci fied refrigerant R410A enters the refrigerant circuit Any presence of foreign substance such as air can cause abnormal pressure rise or an explo sion More than 100 mm Open as a rule More th...

Page 3: ...alling in a place with less strength may result in a unit falling causing a risk of injury CAUTION Avoid the following places for installation where air conditioner trouble is liable to occur Where flammable gas could leak Where there is much machine oil Salty places such as the seaside Where sulfide gas is generated such as a hot spring Where there is high frequency or wire less equipment on onne...

Page 4: ...ocket to the hole 2Please close the rest of the holes with the drain caps 3Please connect a vinyl hose of 25 mm in the inside diameter on the market with the drain socket and lead drain 4 3 HOW TO REMOVE THE SERVICE PANEL AND THE CONNECT COVER Remove the four service panel securing screws and pull the panel down in an arrow direction to remove the service panel Remove the four connect cover securi...

Page 5: ... and Outdoor connecting wire Specification Cable 2 core 1 0 1 5 mm2 in conformity with Design 245 IEC 57 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 WARNING Use the indoor outdoor unit connecting wire that meets the Standards to connect the indoor and out door units and fix the wire ...

Page 6: ... connecting the model 12 13 or 18 to either unit A or B for MXZ A32WV and B or C for MXZ A26WV use optional different diameter joints MAC A454JP because the valve size of gas pipes for the outdoor unit is ø9 52 mm No need to use different diameter joints if the diameter of the pipe is ø9 52 mm When connecting the model 07 or 09 to either unit A or B for MXZ A32WV and A for MXZ A26WV use optional d...

Page 7: ...top valve on the gas pipe side of the outdoor unit The stop valve will not work in it initial state fresh out of the factory totally closed with cap on Connect the gauge manifold valve and the vacuum pump to the service port of the stop valve on the gas pipe side of the outdoor unit Run the vacuum pump Vacuumize for more than 15 minutes Check the vacuum with the gauge manifold valve then close the...

Page 8: ... of the gas cylinder warm the gas cylinder with warm water under 40 C during cold season But never use naked fire or steam Indoor unit Union Stop valve Outdoor unit Union Gauge manifold valve for R410A Charge hose for R410A Refrigerant gas cylinder operating valve for R410A Refrigerant gas cylinder for R410A with siphon Refrigerant liquid Electronic scale for refrigerant charging Liquid pipe Gas p...

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Page 12: ...HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN SG79Y347H01 ...

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