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English

6

Refrigerant Piping Work

1.

Installing outdoor unit

1) When installing the outdoor unit, refer to “Precautions for Selecting the Location” on page 2 and the “Indoor/Outdoor Unit 

Installation Drawings” on page 3.

2) If drain work is necessary, follow the procedures below.

2.

Drain work (only heat pump models)

1) Use the drain plug for drainage.
2) If the drain port is covered by a mounting base or floor surface, place 

additional foot bases of at least 30mm in height under the outdoor 
unit’s feet.

3) In cold areas, do not use a drain hose with the outdoor unit.

(Otherwise, drain water may freeze, impairing heating performance.)

3.

Refrigerant piping

 CAUTION

• Use the flare nut fixed to the main unit. (To prevent cracking of the flare nut by aged deterioration.)
• To prevent gas leakage, apply refrigeration oil only to the inner surface of the flare. (Use refrigeration oil for R410A.)
• Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and gas leakage.

Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand.  Then tighten them fully with the torque wrenches. 

Drain-water hole

Bottom frame

Drain plug

Hose (available commercially,
inner dia. 16mm)

Do not apply refrigeration 

oil to the outer surface.

Flare nut

Apply refrigeration oil to 

the inner surface of the 

flare.

Do not apply refrigeration oil to 

the flare nut to avoid tightening 

with excessive torque.

[Apply oil]

Flare nut tightening torque 

Flare nut for 

φ

6.4

14.2-17.2N 

l

 m

   

(144-175kgf 

l

 cm)

Flare nut for 

φ

9.5

32.7-39.9N 

l

 m

(333-407kgf 

l

 cm)

Flare nut for 

φ

12.7

49.5-60.3N 

l

 m

(505-615kgf 

l

 cm)

Valve cap tightening torque

Liquid side

3/8 inch

1/4 inch

21.6-27.4N 

l

 m

(220-280kgf 

l

 cm)

Gas side

1/2 inch

48.1-59.7N 

l

 m

(490-610kgf 

l

 cm)

21.6-27.4N 

l

 m

(220-280kgf 

l

 cm)

Service port cap tightening torque

10.8-14.7N 

l

 m (110-150kgf 

l

 cm)

01_EN_3P210724-1F.fm  Page 6  Tuesday, October 30, 2012  10:39 AM

Summary of Contents for 2MXS40G2V1B

Page 1: ...Nederlands Espa ol Italiano Portugues English T rk e Installation manual R410A Split series Montaj k lavuzlar R410A Split serisi Installationsanleitung Split Baureihe R410A Manuel d installation S ri...

Page 2: ...F2V1B 2MXS40G2V1B 2MXS50G2V1B 2MKS40G2V1B 2MKS50G2V1B 2MXS40H2V1B 2MXS50H2V1B 2MKS40H2V1B 2MKS50H2V1B DAIKIN INDUSTRIES LTD Noboru Murata Manager Quality Control Department 1st of Nov 2008 Low Voltage...

Page 3: ...P6 07 2012 DEKRA Certification B V NB0344 74736 KRQ EMC97 4957 3SB65451 10D Shinri Sada Manager Quality Control Department 2MXS40H3V1B 2MXS50H3V1B 2AMX40G3V1B 2AMX50G3V1B Machinery 2006 42 EC Electro...

Page 4: ...3SB65451 4 fm Page 2 Thursday October 27 2011 4 49 PM...

Page 5: ...rol box lid may result in electric shocks fire or over heating terminals If refrigerant gas leaks during installation ventilate the area immediately Toxic gas may be produced if the refrigerant comes...

Page 6: ...shorten the life of the air condi tioner 9 Since drain flows out of the outdoor unit do not place under the unit anything which must be kept away from moisture NOTE Cannot be installed hanging from c...

Page 7: ...ng Level mounting base optional parts Clamping material Insulation tube Service lid Tape Also insulate the connection on the outdoor unit Use tape or insulating material on all connections to prevent...

Page 8: ...market It is best to screw in the foundation bolts until their ends are 20mm from the foundation surface When using the reducer packing shown above be careful not to overtighten the nut or the smaller...

Page 9: ...ssible Shortest allow able length per room is 3m Piping to each indoor unit 20m max Total length of piping between all units 30m max If the outdoor unit is positioned higher than the indoor units If t...

Page 10: ...refrigeration oil for R410A Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and gas leakage Align the centres of both flares and tighten the flare nuts 3 or 4 tu...

Page 11: ...nifold and stop the vacuum pump Leave as is for 4 5 minutes and make sure the coupling meter needle does not go back If it does go back this may indicate the presence of moisture or leaking from conne...

Page 12: ...t do not leave the flare nut removed for a long period of time Do not overfill with refrigerant This will break the compressor Filling a cylinder with an attached siphon Stand the cylinder upright whe...

Page 13: ...l from getting into the system as this would reduce the lifetime of the units Never use piping which has been used for previous installations Only use parts which are delivered with the unit Do never...

Page 14: ...start 2 Forced cooling operation will end after around 15 minutes and the unit will stop automatically Press the start stop button on the indoor unit to force the operation to stop 3 Use this method...

Page 15: ...erminal for connection to the power supply terminal block Place the round crimp style terminals on the wires up to the covered part and secure in place 3 Pull the wire and make sure that it does not d...

Page 16: ...t to bend the electric box hook 4 Remove the lower electric box cover 5 Cut the jumper J4 of the PCB inside 6 Go back through step 4 3 2 1 Make sure all components are well secured when doing this CAU...

Page 17: ...ove the lower electric box cover 5 Cut the jumper J3 of the PCB inside 6 Go back through step 4 3 2 1 Make sure all components are well secured when doing this CAUTION When removing the upper electric...

Page 18: ...indoor unit Instruct the customer how to operate the unit correctly particularly cleaning of the air filters operation procedures and temperature adjustment Even when the air conditioner is not operat...

Page 19: ...1210 HT 3P210724 1F M07B062F Two dimensional bar code is a code for manufacturing 00_CV_3P210724 1F fm Page 2 Tuesday October 30 2012 10 36 AM...

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