background image

7

English

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

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 R32.)
• Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and gas leakage.
• Do not reuse joints which have been used once already.
• Installation shall be done by an installer, the choice of materials and installation shall comply with the applicable legislation. In 

Europe the EN378 is the applicable standard that shall be used.

• Ensure that the field piping and connections are not subjected to stress.

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)

Summary of Contents for 2MXM40M2V1B

Page 1: ...INSTALLATION MANUAL R32 Split Series Models 2MXM40M2V1B 2MXM50M2V1B 2AMXM40M2V1B 2AMXM50M2V1B Deutsch Français Nederlands Español Italiano Ελληνικά Portugues Ðóññêèé Türkçe ...

Page 2: ......

Page 3: ...ota delineato nel A e giudicato positivamente da B secondo il Certificato C 07 Σημείωση όπως καθορίζεται στο A και κρίνεται θετικά από το B σύμφωνα με το Πιστοποιητικό C 08 Nota tal como estabelecido em A e com o parecer positivo de B de acordo com o Certificado C 09 Примечание как указано в A и в соответствии с положительным решением B согласно Свидетельству C 10 Bemærk som anført i A og positivt...

Page 4: ...vt vurderet af E Anvendt modul F i henhold til Certifikat G Risikoklasse H Se også næste side 11 enligt A och godkänts av B enligt Certifikatet C i enlighet med den Tekniska Konstruktionsfilen D som positivt intygats av E Fastsatt modul F vilket också framgår av Certifikat G Riskkategori H Se även nästa sida 12 som det fremkommer i A og gjennom positiv bedømmelse av B ifølge Sertifikat C som det f...

Page 5: ...е PS K bar Минимално максимално допустима температура TS TSmin Минимална температура от страната на ниското налягане L C TSmax Температура на насищане съответстваща на максимално допустимото налягане PS M C Охладител N Настройка на предпазното устройство за налягане P bar Фабричен номер и година на производство вижте табелката на модела 22 Maksimalus leistinas slėgis PS K bar Minimali maksimali le...

Page 6: ...res may result in abnormal heat build up or fire When wiring the power supply and connecting the wiring between the indoor and outdoor units position the wires so that the control box lid can be securely fastened Improper positioning of the control box lid may result in electric shocks fire or over heating terminals If refrigerant gas leaks during installation ventilate the area immediately Toxic ...

Page 7: ...se malfunctions smoke or fire Please instruct the customer to keep the area around the unit clean The temperature of refrigerant circuit will be high please keep the inter unit wire away from copper pipes that are not thermally insulated This appliance is intended to be used by expert or trained users in shops in light industry and on farms or for commercial and household use by lay persons Sound ...

Page 8: ...ay be heard even if they are more than 3m away depending on radio wave conditions 8 In coastal areas or other places with salty atmosphere of sulfate gas corrosion may shorten the life of the air conditioner 9 Since water will flow from the drain of the outdoor unit do not place under the unit anything which must be kept away from mois ture NOTE Cannot be installed hanging from ceiling or stacked ...

Page 9: ... prevent air from getting in between the copper piping and the insulation tube Be sure to do this if the outdoor unit is installed above Cut thermal insulation pipe to an appropriate length and wrap it with tape making sure that no gap is left in the insulation pipe s cut line The flare connection should be installed outdoors Wrap the insulation pipe with the finishing tape from bottom to top Refr...

Page 10: ...n bolts Prepare 4 sets of M8 or M10 foundation bolts nuts and washers each which are available on the 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 pipe may be damaged about 2 3 1 the normal torque Apply a coat of refrigeration oil to the thread...

Page 11: ...rformance Connect so that the piping is as short as possible 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 the outdoor unit is positioned otherwise If lower than one or more indoor units More than 50 More than 100 Side view Direction of air 1200 or less ...

Page 12: ...joints which have been used once already Installation shall be done by an installer the choice of materials and installation shall comply with the applicable legislation In Europe the EN378 is the applicable standard that shall be used Ensure that the field piping and connections are not subjected to stress Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand Then tight...

Page 13: ... high pressure valve Hi 3 Apply vacuum pumping for 20 minutes or longer Check that the compound pressure gauge reads 0 1MPa 76cmHg 4 After checking the vacuum close the low pressure and high pressure valves on the gauge manifold 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...

Page 14: ...will break the compressor 3 5 6 2 1 4 R32 Please fill in with indelible ink 1 the factory refrigerant charge of the product 2 the additional refrigerant amount charged in the field and 1 2 the total refrigerant charge on the refrigerant charge label supplied with the product Important information regarding the refrigerant used This product contains fluorinated greenhouse gases covered by the Kyoto...

Page 15: ...ipe 4 Flare the pipe 5 Check that the flaring is properly made WARNING Do not use mineral oil on flared part Prevent mineral oil 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 Never install a dryer to this R32 unit in order to guarantee its lifetime The dryi...

Page 16: ...inuously The units in both rooms will 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 to force cooling operation when the outside temperature is 10 C or lower 1 2 Using the wireless remote controller 1 Select cooling operation and press the start st...

Page 17: ... the stranded wires must be used make sure to use the round crimp style terminal 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 disconnect Then fix the wire in place with a wire retainer Room A Room A Room B Outdoor unit Indoor unit Be sure to use the dedi...

Page 18: ...E R T THERMISTOR DS DIPSWITCH RC RECEIVER E H HEATER S C LIMITSWITCH F U FU FORCHARACTERISTICS REFERTOPCBINSIDEYOURUNIT FUSE S L FLOATSWITCH FG CONNECTOR FRAMEGROUND S NPH PRESSURESENSOR HIGH H HARNESS S NPL PRESSURESENSOR LOW H P LED V L PILOTLAMP LIGHTEMITTINGDIODE S PH HPS PRESSURESWITCH HIGH HAP LIGHTEMITTINGDIODE SERVICEMONITORGREEN S PL PRESSURESWITCH LOW IES INTELLIGENTEYESENSOR S T THERMOS...

Page 19: ...ws 1 Remove the two screws on the side and remove the top plate of the outdoor unit 2 Remove the electric box cover by sliding it being careful not to bend the electric box hook 3 Cut the jumper J23 of the PCB inside 4 Go back through step 2 1 Make sure all components are well secured when doing this CAUTION When returning the electric box cover be careful not to pinch the fan motor lead wire Top ...

Page 20: ...function turns off power supply to the outdoor unit and sets the indoor unit into standby electricity saving mode thus reducing the power consumption of the air conditioner The standby electricity saving function works on the following indoor units CAUTION The standby electricity saving function cannot be used for models other than the specified ones Procedure for turning on standby electricity sa...

Page 21: ...at the manual included with the 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 operating it consumes some electric power If the customer is not going to use the unit soon after it is installed turn off the breaker to avoid wasting electricity If additio...

Page 22: ...peller fan ON heating Muffler 9 5CuT 9 5CuT 9 5CuT Branch pipe Muffler Gas stop valve Muffler Gas stop valve 9 5CuT 9 5CuT Thermistor gas Thermistor liquid Thermistor gas 6 4CuT 6 4CuT EV A EV B Motor operated valve 9 5CuT 6 4CuT Thermistor liquid Liquid stop valve Liquid stop valve Branch pipe Branch pipe 6 4CuT 6 4CuT Fan motor Applicable models 2MXM50M2V1B 2AMXM50M2V1B 9 5CuT Filter Filter 9 5C...

Page 23: ......

Page 24: ......

Page 25: ......

Page 26: ...3P423316 1B 2015 12 Copyright 2015 Daikin ...

Reviews: