Fujitsu AirStage AU12 Installation Manual Download

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PART No. 9374318599-02

AIR CONDITIONER

English

INDOOR UNIT (Compact cassette type)

Français

Español

UNITÉ INTÉRIEURE (Type cassette compacte)

UNIDAD INTERIOR (Tipo casete)

INSTALLATION MANUAL

For authorized service personnel only.

MANUEL D’INSTALLATION

MANUAL DE INSTALACIÓN

Pour le personnel agréé uniquement.

Únicamente para personal de servicio autorizado.

9374318599-02_IM.indb 1

9/26/2018 11:04:17 AM

Summary of Contents for AirStage AU12

Page 1: ...assette compacte UNIDAD INTERIOR Tipo casete INSTALLATION MANUAL For authorized service personnel only MANUEL D INSTALLATION MANUAL DE INSTALACIÓN Pour le personnel agréé uniquement Únicamente para personal de servicio autorizado 9374318599 02_IM indb 1 9374318599 02_IM indb 1 9 26 2018 11 04 17 AM 9 26 2018 11 04 17 AM ...

Page 2: ...TION This symbol refers to a hazard or unsafe practice which can result in personal injury and the potential for product or property damage Hazard alerting symbols Electrical Safety alert If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer...

Page 3: ...ve a different charging port thread diameter to prevent errone ous charging with conventional refrigerant R22 and for safety Therefore check beforehand The charging port thread diameter for R410A is 1 2 20 UNF Be careful that foreign matter oil water etc does not enter the piping than with conventional refrigerant R22 models Also when storing the piping securely seal the openings by pinching tapin...

Page 4: ...Fujitsu General products are manufactured to metric units and tolerances United States custom ary units are provided for reference only In cases where exact dimensions and tolerances are re quired always refer to metric units 2 4 Accessories WARNING For installation purposes be sure to use the parts supplied by the manufacturer or other prescribed parts The use of non prescribed parts can cause se...

Page 5: ...or connecting the outdoor unit to the indoor unit and insulation material is available for purchase locally When you purchase them please specify the following Deoxidized annealed copper pipe for refrigerant piping as shown in the table MODEL Diameter Liquid pipe Gas pipe AU7 9 12 1 4 in 6 35 mm 3 8 in 9 52 mm AU18 1 4 in 6 35 mm 1 2 in 12 70 mm Use pipe with water resistant heat insulation CAUTIO...

Page 6: ...m or more 3 4 Electrical requirement Always make the air conditioner power supply a special branch circuit and provide a special switch and receptacle Do not extend the power cable WARNING Refer to local codes for acceptable cable type Cable Cable size Remarks Connection cable 14AWG 3 cable Earth Ground 1Φ 208 230 V Max Cable Length Limit voltage drop to less than 2 In crease cable gauge if voltag...

Page 7: ...d or vibration If the installation location is not strong enough the indoor unit may fall and cause injuries If the unit is only attached to the ceiling panel frame there is a risk that the unit will come loose Please take precaution When fastening the hangers make the bolt positions uniform Perform final tightening by tightening the double nut firmly 20 7 8 530 Hanging bolt position A Cassette gr...

Page 8: ...door section of drain pipe If it is impossible to have sufficient gradient of pipe per form drain lift up Pipe size Drain pipe 3 4 in O D 1 1 16 in Hanging fittings 59 1 16 to 6 ft 3 4in 1 5 to 2 m 3 4 in Downward gradient 1 100 to 1 50 Rise PROHIBITED Trap Air bleeding When lifting up drain Height of inclined pipe should be less than 27 9 16 in 700 mm from the ceiling Arise dimension over this ra...

Page 9: ...ause water leaks Use heat insulation with heat resistance above 248 F 120 C Reverse cycle model only In addition if the humidity level at the installation location of the refrigerant piping is expected to exceed 70 install heat insulation around the refrigerant piping If the expected humidity level is 70 80 use heat insulation that is 9 16 in 15 mm or thicker and if the expected humidity exceeds 8...

Page 10: ... sharp bends If the pipe is bent repeatedly at the same place it will break If pipes are shaped by hand be careful not to collapse them Do not bend the pipes in an angle more than 90 When pipes are repeatedly bend or stretched the material will harden making it difficult to bend or stretch them anymore Do not bend or stretch the pipes more than 3 times 6 3 3 Pipe connection CAUTION Be sure to conn...

Page 11: ...ith those of outdoor unit or branch box Erroneous wiring may cause burning of the electric parts Securely connect the connection cables to the terminal blocks In addition secure the cables with wiring holders Improper connections either in the wiring or at the ends of the wiring can cause a malfunction electric shock or fire Connect the connection cables firmly to the terminal board Imperfect inst...

Page 12: ...n in terminal label Earth Ground both the indoor outdoor and branch box units by attaching a earth ground cable Unit must be earthed grounded in compliance with the applicable local and national cables Be sure to refer to the diagrams for do correct field wiring Wrong wiring causes malfunction of the unit Check local electrical rules and also any specific wir ing instructions or limitations Wired ...

Page 13: ...ntroller PC board and PC board parts directly with your hands Do not wire the remote controller cable together with or parallel to the connection cables and power sup ply cables of the INDOOR UNIT OUTDOOR UNIT and BRANCH BOX It may cause erroneous operation When installing cable near a source of electromagnetic waves use shielded wire Do not set the DIP switches either on the air condi tioner or t...

Page 14: ...ller DIP switches Example 1 2 3 4 5 6 DIP switch 1 Front case back side OFF ON ON Factory setting NO SW state Detail OFF ON DIP switch 1 SW 1 Cannot be used Do not change SW 2 Dual remote controller setting Refer to DUAL REMOTE CONTROLLERS in 10 SPECIAL INSTALLATION METHODS SW 3 Use prohibited Do not change SW 4 Use prohibited Do not change SW 5 Use prohibited Do not change SW 6 Invalidity Validit...

Page 15: ...he grille assembly is directionally relative to the air conditioner body Install so that there is no gap between the grille assembly and the air conditioner body The cassette grille is equipped with an accessory to prevent the grill to completely open Be sure to read the Installation manual included with the cassette grille before installation 10 FUNCTION SETTING This procedure changes the functio...

Page 16: ...iption 11 00 Standard 2500 hours 01 Long interval 4400 hours 02 Short interval 1250 hours 03 No indication 2 Ceiling height Select the appropriate ceiling height according to the place of installation Factory setting Function number Setting value Setting description 20 00 Standard 2 7 m 9 ft 01 High ceiling 3 0 m 10 ft The ceiling height values are for the 4 way outlet Do not change this setting i...

Page 17: ...lation Heat insulation conditions differ according to the installed environment Standard insulation 00 allows system to rapidly respond to the cooling or heating load changes High insulation 01 is when the heat insulation structure of the building is high and does not require system to rapidly respond to cooling or heating load changes When High insulation 01 is selected Overheating overcooling is...

Page 18: ...ting according to the installed environment To change this setting set Function 42 to Both 01 Ensure that the Thermo Sensor icon is displayed on the remote controller screen Factory setting Function number Setting value Setting description 92 For cooling 93 For heating 00 No correction 0 0 F 0 0 C 01 No correction 0 0 F 0 0 C 02 1 F 0 5 C More Cooling Less Heating 03 2 F 1 0 C 04 3 F 1 5 C 05 4 F ...

Page 19: ...tion indicator lamp and Timer indicator lamp will simultaneously flash during the test run mode Heating test run will begin in a few minutes when HEAT is selected by the remote controller reverse cycle model only 13 OPTIONAL KIT INSTALLATION WARNING Refer to local codes for acceptable cable type This air conditioner can be connected with the following optional kits Fresh air intake kit External in...

Page 20: ...tage error stoppage permanently Voltage error can restore Over current protected operation stoppage permanently PFC hardware error 6 5 Outdoor unit IPM error Trip terminal L error 6 10 Outdoor unit Display panel error Microcomputers communication error 7 1 Outdoor unit Discharge thermistor error Discharge thermistor 1 error 7 2 Outdoor unit Compressor thermistor error Compressor thermistor 1 error...

Page 21: ... the wired remote controller Self diagnosis If an error occurs the following display will be shown Er will appear in the set room temperature display Error code Example Self diagnosis 9374318599 02_IM indb 20 9374318599 02_IM indb 20 9 26 2018 11 04 23 AM 9 26 2018 11 04 23 AM ...

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