Installer reference guide
R32 split series
English
RXF50B2V1BRXF60B2V1BRXF71A2V1B
RXP50L2V1BRXP60L2V1BRXP71L2V1B
ARXM50N2V1BRXM42N2V1BRXM50N2V1BRXM60N2V1BRXM71N2V1B
RXJ50N2V1B
RXA42B2V1BRXA50B2V1B
Page 1: ...e R32 split series English Installer reference guide R32 split series RXF50B2V1B RXF60B2V1B RXF71A2V1B RXP50L2V1B RXP60L2V1B RXP71L2V1B ARXM50N2V1B RXM42N2V1B RXM50N2V1B RXM60N2V1B RXM71N2V1B RXJ50N2V...
Page 2: ...refrigerant piping 15 6 5 3 To check for leaks 15 6 5 4 To perform vacuum drying 15 6 6 Charging refrigerant 16 6 6 1 About charging refrigerant 16 6 6 2 About the refrigerant 16 6 6 3 Precautions whe...
Page 3: ...accessories optional equipment and spare parts made or approved by Daikin WARNING Make sure installation testing and applied materials comply with applicable legislation on top of the instructions de...
Page 4: ...slation for example national gas regulation and are executed only by authorised persons Installation space requirements NOTICE Pipework shall be protected from physical damage Installation of pipework...
Page 5: ...ant gas leaks ventilate the area immediately Possible risks Excessive refrigerant concentrations in a closed room can lead to oxygen deficiency Toxic gas may be produced if refrigerant gas comes into...
Page 6: ...nder overvoltage category III condition MUST be installed in the fixed wiring WARNING ONLY use copper wires Make sure the field wiring complies with the applicable legislation All field wiring MUST be...
Page 7: ...re installing About the documentation What documentation exists for the installer About the box How to unpack the units and remove their accessories About the unit How to identify the unit Preparation...
Page 8: ...it is mildly flammable 4 1 Overview About the unit This chapter contains information about Identification of the outdoor unit 4 2 Identification NOTICE When installing or servicing several units at th...
Page 9: ...a Air outlet b Air inlet NOTICE The height of the wall on the outlet side of the outdoor unit MUST be 1200 mm NOTICE Do NOT stack the units on each other Do NOT hang the unit on a ceiling Strong winds...
Page 10: ...hat the heat exchanger coil is NOT affected by the snow If necessary install a snow cover or shed and a pedestal 5 3 Preparing refrigerant piping 5 3 1 Refrigerant piping requirements INFORMATION Also...
Page 11: ...stallation 6 1 Overview Installation This chapter describes what you have to do and know on site to install the system Typical workflow Installation typically consists of the following stages 1 Openin...
Page 12: ...tall the unit on a frame install a waterproof plate within 150 mm of the bottom side of the unit in order to prevent water from getting into the unit and to avoid drain water dripping see the followin...
Page 13: ...piping into account Avoid anything but the designated refrigerant to get mixed into the refrigerant cycle e g air Only use R32 when adding refrigerant Only use installation tools e g manifold gauge se...
Page 14: ...a b c a Flare s inner surface MUST be flawless b The pipe end MUST be evenly flared in a perfect circle c Make sure the flare nut is fitted 6 4 6 Using the stop valve and service port CAUTION Do NOT...
Page 15: ...f the following stages 1 Checking for leaks in the refrigerant piping 2 Performing vacuum drying to remove all moisture air or nitrogen from the refrigerant piping If there is a possibility of moistur...
Page 16: ...gth is more than specified see later Completely recharging refrigerant Example When relocating the system After a leak Charging additional refrigerant Before charging additional refrigerant make sure...
Page 17: ...ective gloves and safety glasses CAUTION To avoid compressor breakdown do NOT charge more than the specified amount of refrigerant Prerequisite Before charging refrigerant make sure the refrigerant pi...
Page 18: ...s DANGER RISK OF ELECTROCUTION Disconnect the power supply for more than 10 minutes and measure the voltage at the terminals of main circuit capacitors or electrical components before servicing The vo...
Page 19: ...en the wire clamp 4 Connect the interconnection cable and power supply as follows 50 Hz 220 240 V c d f a b e a Interconnection cable b Power supply cable c Field fuse d Earth leakage circuit breaker...
Page 20: ...st speed Do NOT use this setting in residences or offices with people 7 2 Standby electricity saving function 7 2 1 About the standby electricity saving function This mode turns OFF the power supply o...
Page 21: ...issioning To perform an air purge To perform a test run 8 5 To perform a test run Prerequisite Power supply MUST be in the specified range Prerequisite Test run may be performed in cooling or heating...
Page 22: ...d from the mains Turn off the respective circuit breaker When a safety device was activated stop the unit and find out why the safety device was activated before resetting it NEVER shunt safety device...
Page 23: ...top the compressor before removing the refrigerant piping If the compressor is still running and the stop valve is open during pump down air will be sucked into the system Compressor breakdown or dama...
Page 24: ...R HR MR _A MR _B S U V W X A K R_ D V D DIODE DB DIODE BRIDGE DS DIP SWITCH E H HEATER F U FU FOR CHARACTERISTICS FUSE REFER TO PCB INSIDE YOUR UNIT FG CONNECTOR FRAME GROUND H HARNESS H P LED V L PIL...
Page 25: ...tdoor temperature Thermistor Refrigerant flow Cooling Heating PED categories of equipment High pressure switch category IV Compressor category II Other equipment art 4 3 Applicable for RXP60L RXP71L R...
Page 26: ...ipment High pressure switch category IV Compressor category II Other equipment art 4 3 Applicable for RXM42N RXM50N RXM60N ARXM50N RXJ50N RXA42B RXA50B M HPS High pressure switch Automatic reset Heat...
Page 27: ...d maintain it Operation manual Instruction manual specified for a certain product or application explaining how to operate it Maintenance instructions Instruction manual specified for a certain produc...
Page 28: ...4P513661 6B 2018 05 Copyright 2018 Daikin...