Daikin RXA42A2V1B Installation Manual Download Page 13

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Installation manual

RXA42+50A2V1B
R32 split series
3P517827-2 – 2017.12

For the procedure, refer to "To perform a test run" in the installation
manual of the indoor unit.

Note:

Forced cooling will stop automatically after around

30 minutes.

To stop operation sooner, press the ON/OFF switch.

INFORMATION

If forced cooling is used and the outside temperature is <
−10°C, the safety device may prevent operation.

▪ Warm the outside temperature thermistor on the

outdoor unit to ≥−10°C.

Result:

Operation will start.

Summary of Contents for RXA42A2V1B

Page 1: ...Installation manual R32 split series English Installation manual R32 split series RXA42A2V1B RXA50A2V1B...

Page 2: ...n ne ovat muutettuina v platn m zn n Smjernice kako je izmijenjeno ir nyelv ek s m dos t saik rendelkez seit z p niejszymi poprawkami 18 19 20 21 22 23 24 25 Directivelor cu amendamentele respective D...

Page 3: ...ava kyll stysl mp tila M C Kylm aine N Varmuuspainelaitteen asetus P bar Valmistusnumero ja valmistusvuosi katso mallin nimikilpi Maxim ln p pustn tlak PS K bar Minim ln maxim ln p pustn teplota TS TS...

Page 4: ...11 5 2 Checklist during commissioning 11 5 3 To perform a test run 11 6 Configuration 11 6 1 To set the facility mode 11 7 Troubleshooting 12 7 1 Fault diagnosis using LED on outdoor unit PCB 12 8 Dis...

Page 5: ...he air inlet facing the wall and NOT directly exposed to the wind b a b c a Baffle plate b Prevailing wind direction c Air outlet Do NOT install the unit in sound sensitive areas e g near a bedroom so...

Page 6: ...nce 20 m 3 2 3 Refrigerant piping insulation Pipe outer diameter p Insulation inner diameter i Insulation thickness t 6 4 mm 1 4 8 10 mm 10 mm 12 7 mm 1 2 14 16 mm i i t p p If the temperature is high...

Page 7: ...the outdoor unit from falling over In case the unit is installed in places where strong wind can tilt the unit take following measure 1 Prepare 2 cables as indicated in the following illustration fie...

Page 8: ...stem with nitrogen gas up to a gauge pressure of at least 200 kPa 2 bar It is recommended to pressurize to 3000 kPa 30 bar in order to detect small leaks 2 Check for leaks by applying the bubble test...

Page 9: ...4 4 3 To determine the additional refrigerant amount If the total liquid piping length is Then 10 m Do NOT add additional refrigerant If the total liquid piping length is Then 10 m R total length m o...

Page 10: ...NGER RISK OF ELECTROCUTION All electrical parts including thermistors are powered by the power supply Do not touch them with bare hands DC DC b c a d e g f a Multimeter DC voltage range b S80 reversin...

Page 11: ...arried out according to this document and the applicable legislation between the outdoor unit and the indoor unit Drainage Make sure drainage flows smoothly Possible consequence Condensate water might...

Page 12: ...se the unit s automatic pump down function with which you can collect all refrigerant from the system into the outdoor unit Possible consequence Self combustion and explosion of the compressor because...

Page 13: ...anual of the indoor unit Note Forced cooling will stop automatically after around 30 minutes 2 To stop operation sooner press the ON OFF switch INFORMATION If forced cooling is used and the outside te...

Page 14: ...N E HA HE HL HN HR MR _A MR _B S U V W X A K R_ CONNECTION CONNECTOR Q L OVERLOAD PROTECTOR D V D DIODE Q M THERMOSWITCH DB DIODEBRIDGE R RESISTOR DS DIP SWITCH R T THERMISTOR E H HEATER RC RECEIVER F...

Page 15: ...nsion valve Cooling Heating Refrigerant flow Heat exchanger thermistor 1 2 3 4 1 4 Capillary tube Muffler Receiver gas Filter S1PH Automatic reset High pressure switch 6 4 CuT 4 0 CuT 7 9 CuT 7 9 CuT...