background image

En-4

A B C

D E

P

F

A B C

D E

P

F

A B C

E

P

F

A B C

P

D E F

A B C

D

D E F

P

2.  OUTDOOR UNIT INSTALLATION

2-1. INSTALLING THE UNIT

Fix here with 
M0 bolts.

Make the setting 
depth deeper.

Make with wider.

Anchor leg

25

 or

 less

Anchor both length

Anchor both pitch

(Unit: mm)

2-2. CONNECTING WIRES FOR OUTDOOR UNIT

35 mm

5 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.
•  Make earth wire a little longer than others. (More than 35 mm)
•  For future servicing, give extra length to the connecting wires.

Terminal block  
for power supply

•  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.

•  Do not use the drain socket and the drain caps in the cold region.
 

Drain may freeze and it makes the fan stop.

) Remove the service panel.
2) Loosen  terminal  screw,  and  connect  indoor/outdoor  unit  connecting 

wire (B) from the indoor unit correctly on the terminal block. Be careful 
not to make mis-wiring. Fix the wire to the terminal block securely so 
that no part of its core is appeared, and no external force is conveyed 
to the connecting section of the terminal block. 

3) Firmly tighten the terminal screws to prevent them from loosening. Af-

ter tightening, pull the wires lightly to confirm that they do not move.

4) Perform 2) and 3) for each indoor unit.
5) Connect power supply cord (A).
6) Fix indoor/outdoor unit connecting wire (B) and power supply cord (A) 

with the cable clamps.

7) Close the service panel securely. Make sure that 3-2. PIPE CONNEC-

TION is completed.
•  After  making  connections  between  both  power  supply  cord  (A)  and 

indoor/outdoor unit connecting wire (B), be sure to fix both cable and 

wire with cable clamps.

Connecting order
•  Connect  the  terminal  block  in 

following order.

 

A

B

C

D

E

F

P

Power supply

Terminal block for 
indoor/outdoor unit

<OUTDOOR UNIT>

Indoor/outdoor unit 
connecting wire

<INDOOR UNIT>

Terminal block

POWER SUPPLY
~/N 230 V 50 Hz

Terminal block

Terminal block

Terminal block for 
power supply

Terminal block

<INDOOR UNIT>

Service panel

Screws

Cable clamps

500

355

Clamps

BH79A023H01_en.indd   4

2014/01/21   11:11:59

Summary of Contents for MXZ-6D120VA

Page 1: ...e Air Conditioner MXZ 6D120VA English 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 ...

Page 2: ...as could be generated n Check that the refrigerant gas does not leak after installation has been completed If refrigerant gas leaks indoors and comes into contact with the flame of a fan heater space heater stove etc harmful substances will be generated n Use appropriate tools and piping materials for installation The pressure of R410A is 1 6 times more than R22 Not using appropri ate tools or mat...

Page 3: ...ar outdoor unit so as to reduce vibration transmitted from there 500 or more 200 or more 350 or more 100 or more 100 or more 500 or more 100 or more Service space 350 or more 350 or more When installing the unit in an area that is enclosed with walls such as a verandah be sure to have enough space as shown below In this case the air conditioning capacity and power consumption might deteriorate Whe...

Page 4: ...The Q ty for B to K in the above table is quan tity to be used per indoor unit More than 100 mm Open as a rule More than 500 mm if the front and both sides are open More than 100 mm More than 200 mm if there are obstacles to both sides Open as a rule More than 500 mm if the back both sides and top are open More than 350 mm Outdoor unit installation Air inlet Air outlet 1 6 DRAIN PIPING FOR OUTDOOR...

Page 5: ...utdoor unit connecting wire B from the indoor unit correctly on the terminal block Be careful not to make mis wiring Fix the wire to the terminal block securely so that no part of its core is appeared and no external force is conveyed to the connecting section of the terminal block 3 Firmly tighten the terminal screws to prevent them from loosening Af ter tightening pull the wires lightly to confi...

Page 6: ...3 Remove flare nuts attached to indoor and outdoor units then put them on pipe having completed burr removal Not possible to put them on after flaring work 4 Flaring work Fig 4 5 Firmly hold copper pipe in the dimension shown in the table Select A mm from the table according to the tool selected 5 Check Compare the flared work with Fig 6 If flare is noted to be defective cut off the flared section...

Page 7: ...o lock the operation mode in COOL DRY mode set the 2 of SW1 on the outdoor controller board to OFF To lock the operation in HEAT mode set the same switch to ON 4 Turn on the main power for the air conditioner Description of the function With this function the operating noise of the outdoor unit can be lowered by reducing the operation load for example during nighttime in COOL mode However please n...

Page 8: ...D2 Yellow LED3 Green Lighted Lighted Once Result of piping wiring correction function LED1 Red LED2 Yellow LED3 Green Result Lighted Not lighted Lighted Completed Problem corrected or normal Once Once Once Not completed Detection failed Other indications Refer to SAFETY PRE CAUTIONS WHEN LED FLASHES located behind the service panel 5 RELOCATION AND MAINTENANCE 5 1 PUMPING DOWN When relocating or d...

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