Daikin RXYQ120TTJU Page 49 Installation Manual Download

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3P362438-1B EM13A019A

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Summary of Contents for RXYQ120TTJU

Page 1: ...RXYQ216TTJU RXYQ240TTJU RXYQ264TTJU RXYQ288TTJU RXYQ312TTJU RXYQ336TTJU RXYQ360TTJU RXYQ384TTJU RXYQ408TTJU RXYQ72TYDN RXYQ96TYDN RXYQ120TYDN RXYQ144TYDN RXYQ168TYDN RXYQ192TYDN RXYQ216TYDN RXYQ240TYD...

Page 2: ...RNING Only qualified personnel must carry out the installation work Installation must be done in accordance with this installation manual Improper installation could result in water leakage electric s...

Page 3: ...away from fluorescent lamps as much as possible Indoor units are for indoor installation only Outdoor units can be installed either outdoors or indoors This unit is for indoor use Do not install the a...

Page 4: ...piping material 9 7 3 Selection of piping size 9 7 4 Selection of refrigerant branch kits 10 7 5 System piping length limitations 11 8 Precautions on refrigerant piping 14 8 1 Caution for brazing 14 8...

Page 5: ...unit combinations Standard combinations for VRV IV heat pump system are as indicated in table below where RXYQ192 408 consists of several RXYQ72 168 modules as indicated 72 96 120 144 168 RXYQ72TTJU T...

Page 6: ...following accessories are included The storage location of the accessories is shown in the figure below Accessories assy piping Accessories assy operation and installation manual NOTE Do not throw aw...

Page 7: ...e reasonable protection against such interference However there is no guarantee that inter ference will not occur in a particular installation It is therefore recommended to install the equipment and...

Page 8: ...nopy 2 Construct a pedestal NOTE When operating the unit in a low outdoor ambient temperature with high humidity conditions make sure to take precautions to keep the drainholes of the unit free by usi...

Page 9: ...a Front side Suction side b h2 2 or more Service space h1 2 or more h1 b a 59 in 1500 mm b 19 5 8 in 500 mm In case of an installation site where sides A B C D have obsta cles the wall heights of sid...

Page 10: ...ling of 3 4 in 20 mm wide that adequately bears the weight of the unit A forklift can only be used for transport as long as the unit remains on its pallet as shown above 6 3 Unpacking CAUTION To avoid...

Page 11: ...oundation surface A A 13 16 in 20 mm NOTE There are restrictions on the refrigerant pipe connecting order between outdoor unit in the case of the multi system See 1 2 2 Outdoor unit combinations on pa...

Page 12: ...t size Thickness Select a thickness for the refrigerant piping which complies with national and local laws For piping work follow the maximum tolerated length difference in height and length after a b...

Page 13: ...se 4 First refrigerant branch kit 5 Indoor unit Size up for equivalent length for outdoor indoor units over 295 ft 90 m Outdoor unit capacity type Gas pipe Liquid pipe RXYQ72T type 3 4 in 19 1 mm 7 8...

Page 14: ...gth allowable height difference and al lowable length after branching as indicated below 3 patterns will be discussed including VRV indoor units combined with Mini split indoor units Definitions Actua...

Page 15: ...ple 1 3 unit 8 a i 540 ft 165 m Equivalent length 2 623 ft 190 m Total piping length 3280 ft 1000 m Example 1 1 a b c d e f g h i j k l m n p 3280 ft 1000 m Example 2 1 a b c d e f g h i j k l m n p 3...

Page 16: ...een the nearest indoor from the first branch to the outdoor unit and farthest indoor to the outdoor unit is 130 ft 40 m Example The farthest indoor unit 8 The nearest indoor unit 1 a b c d e f g p a h...

Page 17: ...brazing Blowing through with Dry Nitrogen prevents the creation of large quantities of oxidized film on the inside of the piping An oxidized film ad versely affects valves and compressors in the refri...

Page 18: ...ective plate Stop valve mounting plate 5 Cut off the lower part of the smaller pinched piping with an ap propriate tool such as pipe cutters Let the remaining oil drip out in case the recovery was not...

Page 19: ...tween outdoor units an optional multi con nection piping kit BHFP22P100U 151U is always required When installing the piping follow the instructions in the installation manual that comes with the kit O...

Page 20: ...so that it branches horizontally Installation of the multi connection piping kit A 1 max 15 B 1 C D C 4 3 4 in 120 mm D 19 11 16 in 500 mm 3 Install the joints horizontally so that the caution label...

Page 21: ...field wiring and components must be installed by a licensed elec trician and must comply with relevant local and national regulations Be sure to use a dedicated power circuit Never use a power supply...

Page 22: ...V 460 V 460 V 460 V 460 V 460 V 460 V 27 6A 36 3A 36 3A 55 1A 55 1A 27 6A 36 3A 36 3A 36 3A 36 3A 36 3A 36 3A 55 1A 55 1A 55 1A 55 1A 55 1A 55 1A 55 1A 36 3A 36 3A 36 3A 36 3A 36 3A 55 1A 36 3A 55 1A...

Page 23: ...o an indoor unit is Master unit of the multi system The other units are Sub units In this figure Outdoor unit A is the Master unit Check installation work to ensure proper operation Onsite settings ca...

Page 24: ...Ground terminal 10 Clamp 1 accessory 11 Vinyl tube accessory CAUTION Be sure to use crimp style terminal with insulating sleeves for con nections See the figure below Crimp style terminal Insulating...

Page 25: ...after the stop valve is opened will cause the insulation value to drop Needed tools Gauge manifold Charge hose valve To prevent entry of any impurities and insure sufficient pressure resistance always...

Page 26: ...insulate the pipes may cause leaking or burns Be sure to use insulation designed for HVAC equipment Reinforce the insulation on the refrigerant piping according to the installation environment Conden...

Page 27: ...elow procedure explains how to operate the push buttons to reach the required mode in the menu select the correct setting and modify the value of the setting This procedure can be used any time specia...

Page 28: ...elected push BS1 for more than 5 seconds you can select the wanted setting It is done by pushing BS2 Accessing the selected setting s value is done by pushing BS3 one time Now BS2 is used to select th...

Page 29: ...itional refrigerant to be charged Additional refrigerant to be charged R lbs R should be rounded off in units of 0 1 lbs R X1 f7 8 0 249 X2 f3 4 0 175 X3 f5 8 0 121 X4 f1 2 0 081 X5 f3 8 0 040 X6 f1 4...

Page 30: ...on on page 38 R Q You want to execute automatic refrigerant charge B A Step 4b 5 Manual refrigerant charging method in cooling operation NO YES Step 4b 5 Automatic refrigerant charging method Step 6B...

Page 31: ...38 During gray conditions If following codes appear E 2 indoor temperature out of range and E 3 outdoor temperature out of range In this case perform automatic charg ing procedure again See figure Loc...

Page 32: ...low chart is available which gives an overview of the possibilities and actions to be taken see 14 3 1 Flow chart on page 27 To speed up the process of pre charging refrigerant for large systems it is...

Page 33: ...st run If the unit indicates E 2 or E 3 the ambient conditions are NOT favorable to execute the test run Push BS1 to finish the automatic charging procedure INFORMATION In case a malfunction code occu...

Page 34: ...gauge lines Connect service gauge manifold to the service port between the compressor and the reversing valve in each outdoor unit Run the system for 30 minutes in cooling by the forced operation usi...

Page 35: ...C configuration software Below relevant Monitoring mode mode 1 and Field setting mode mode 2 settings are explained in detail How to access them how to change the value of the settings and how to conf...

Page 36: ...ool Heat selection setting is used in case the optional Cool Heat selector KRC19 26A is used Depending on the outdoor unit setup single outdoor unit setup or multi outdoor unit setup the correct setti...

Page 37: ...or 3 2 26 Low noise operation start time Change 2 26 1 2 or 3 in function of required timing Default value 2 Value 2 26 Start time automatic low noise operation approximately 1 8 00 p m 2 10 00 p m de...

Page 38: ...rt setting Default value 1 Value 2 82 Heating comfort setting 0 Eco 1 Mild default 2 Quick 3 Powerful Change 2 82 0 1 2 or 3 in function of required limitation This setting is used in conjunction with...

Page 39: ...ting opera tion change field setting 2 82 3 This setting is used in conjunction with setting 2 9 Quick Overshoot during heating operation or undershoot during cooling operation is allowed compared to...

Page 40: ...perature evolution A B C D E F A Indoor unit set temperature B Operation start C Operating time D Mild E Quick F Powerful Example Automatic mode during cooling A B 100 70 E Tc C D 120 F 49 C F 115 F 4...

Page 41: ...RMATION Note that during the first running period of the unit required power in put may be higher This phenomenon originates from the compressor that requires a 50 hour run elapse before reaching smoo...

Page 42: ...ction code table After correcting the abnormality press BS3 to reset the malfunction code and retry operation The malfunction code which is displayed on the outdoor unit will indi cate a main malfunct...

Page 43: ...c tion R6T A1P X30A Check connection on printed circuit board or actuator JA 06 08 10 High pressure sensor malfunction S1NPH open circuit A1P X32A Check connection on printed circuit board or actuator...

Page 44: ...02 Faulty wiring to Q1 Q2 or indoor outdoor Connect transmission wiring of indoor unit to TO IN D UNIT F1 F2 and transmission wiring of other outdoor unit to TO OUT D UNIT F1 F2 11 Too many indoor un...

Page 45: ...e i CAUTION When performing service to inverter equipment 1 Do not open the control box cover for 10 minutes after the power supply is turned off 2 Measure the voltage between terminals on the termina...

Page 46: ...y large This assures that the maximum concentration level of refrigerant gas is not exceeded in the unlikely event of major leak in the system and this in accordance to the local applicable regulation...

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Page 49: ...3P362438 1B EM13A019A 1402 FS...

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