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5

2. Installation location

Fig. 2-3

Fig. 2-7

Fig. 2-8

Fig. 2-9

Fig. 2-10

Fig. 2-11

Fig. 2-12

Fig. 2-13

Fig. 2-14

Fig. 2-6

Fig. 2-5

Fig. 2-4

Fig. 2-2

150

200

300

200

1000

150

1000

300

1500

1500

500

1000

600

2000

150

1500

600

3000

500

1500

800

150

2.4.  Ventilation and service space

2.4.1.  When installing a single outdoor unit

Minimum dimensions are as follows, except for Max., meaning Maximum dimen-
sions, indicated.
Refer to the 

fi

 gures for each case.

1

  Obstacles at rear only (Fig. 2-2)

2

  Obstacles at rear and above only (Fig. 2-3)

•  Do not install the optional air outlet guides for upward air

fl

 ow.

3

  Obstacles at rear and sides only (Fig. 2-4)

4

 Obstacles at front only (Fig. 2-5)

  When using an optional air outlet guide, the clearance is 500 mm or more.

5

 Obstacles at front and rear only (Fig. 2-6)

  When using an optional air outlet guide, the clearance is 500 mm or more.

6

 Obstacles at rear, sides, and above only (Fig. 2-7)

•  Do not install the optional air outlet guides for upward air

fl

 ow.

2.4.2.  When installing multiple outdoor units

Leave 10 mm space or more between the units.

1

 Obstacles at rear only (Fig. 2-8)

2

 Obstacles at rear and above only (Fig. 2-9)

•  No more than three units must be installed side by side. In addition, leave space as shown.
•  Do not install the optional air outlet guides for upward air

fl

 ow.

3

 Obstacles at front only (Fig. 2-10)

  When using an optional air outlet guide, the clearance is 1000 mm or more.

4

 Obstacles at front and rear only (Fig. 2-11)

  When using an optional air outlet guide, the clearance is 1000 mm or more.

5

 Single parallel unit arrangement (Fig. 2-12)

  When using an optional air outlet guide installed for upward air

fl

 ow, the clearance is 1000 

mm or more.

6

 Multiple parallel unit arrangement (Fig. 2-13)

  When using an optional air outlet guide installed for upward air

fl

 ow, the clearance is 1500 

mm or more.

7

 Stacked unit arrangement (Fig. 2-14)

•  The units can be stacked up to two units high.
•  No more than two stacked units must be installed side by side. In addition, leave space as shown.

Max.500

500

1000

Max.500

250

250

300

1500

Max.300

1500

500

1500

Summary of Contents for PUMY-P125

Page 1: ...ir Conditioners PUMY P125 140VHMS PUMY P125 140YHMS INSTALLATION MANUAL For safe and correct use read this manual and the indoor unit installation manual thoroughly before installing the air condition...

Page 2: ...ent to securing product safety Use only accessories authorized by Mitsubishi Electric and ask a dealer or an authorized technician to install them If accessories are incorrectly installed water leakag...

Page 3: ...refrigeration oil oil deterioration may result Do not use refrigerant other than R410A refrigerant If another refrigerant is used the chlorine will cause the oil to deteriorate Use the following tool...

Page 4: ...portation handles of the outdoor unit to transport the unit If the unit is carried from the bottom hands or fingers may be pinched 2 3 Outline dimensions Outdoor unit Fig 2 1 Constraints on indoor uni...

Page 5: ...ir outlet guides for upward airflow 2 4 2 When installing multiple outdoor units Leave 10 mm space or more between the units 1 Obstacles at rear only Fig 2 8 2 Obstacles at rear and above only Fig 2 9...

Page 6: ...it may fall down and cause damage or injuries The unit must be installed according to the instructions in order to minimize the risk of damage from earthquakes typhoons or strong winds An incor rectly...

Page 7: ...ak them Bend radius of 100 mm to 150 mm is sufficient Make sure the pipes do not contact the compressor Abnormal noise or vibration may result 1 Pipes must be connected starting from the indoor unit F...

Page 8: ...re does not decrease 2 Pressurize to 1 5 MPa 15 kgf cm2 G wait five minutes and make sure the pressure does not decrease 3 Pressurize to 4 15 MPa 41 5 kgf cm2 G and measure the surrounding tem peratur...

Page 9: ...electrical part box of indoor and outdoor units because the box is sometimes removed at the time of service work 5 Never connect the main power source to terminal block of transmission line If connect...

Page 10: ...50 M NET R C Main 101 to 150 Set at an IC Main address within the same group plus 100 M NET R C Sub 151 to 200 Set at an IC Main address within the same group plus 150 MA R C Unnecessary address sett...

Page 11: ...S TB3 M1M2 S M1M2 S A B M1M2 M1M2 S M1M2 S F A B C E D TB7 IC 51 TB15 TB15 TB15 MA 01 IC TB5 03 IC TB5 TB5 02 IC TB5 04 IC 05 IC 07 IC 06 L1 MA MA MA OC 53 OC 1 m4 3 Power Supply Unit L3 L 7 L4 m 3 1...

Page 12: ...fuse with correct capacity Using fuse and wire or copper wire with too large capacity may cause a malfunction of unit or fire IMPORTANT Make sure that the current leakage breaker is one compatible wit...

Page 13: ...or the compressor will start to warm up after power is supplied After supplying power for the times indicated below measure the insulation resistance again The insulation resistance drops due to accum...

Page 14: ......

Page 15: ......

Page 16: ...BH79D109H05 Printed in Japan Please be sure to put the contact address telephone number on this manual before handing it to the customer...

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