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Service Manual

1. Layout of switches on PCB lt VAM300GVJU VAM470GVJU VAM600GVJU gt lt VAM1200GVJU gt 4 4 5 6 6 5 6 32 32 1 1 1 1 Q 1 T 5 XIA X2A 9 X2A X4A 9 SIS 14 L N SUA o o o a N 12 2 gt o 13 13 11 5 al 10 10 ae C 9 58 ololololollolo ofofoffoffefe Bo P P1 F2 Ji J2 JC dC 8 qe m 27 Factory H Factory i e setting 4 setting D 7 9 M P2 F1 v1 uc D a Do not change the Do not change the x l switch setting 17 44 15 16 Switch setting 17 14 1
2. T MFI MIF MF2 M2F MD MID Fa Fri FCI FHI CNS O CN15 X15A AC200V 240V o n a mn nu n n FuL_ F1U B 104 2504 gt Be E ES M3 Ak 18 5 neP j le N la E O O 3 ar LED A Micro computer Operation Monitor e YERO EJE Sal YERO Xen oso OLE 45 Service Diagnosis SiUS711114 Troubleshooting 1 15 Dedicated LCD Remote Controller When no indication is displayed on remote controller Method of Error Check to see if remote controller displays indication Detection Error Decision Conditions Supposed Causes Troubleshooting N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts may be damaged Disconnect remote controller cable from both main unit PCB and remote controller PCB Using tester check continuity between 2 wires in cable Check 1 Is measured value eo infinity NO gt There may be short circuit in remote controller cable With remote controller cable disconnected from main unit PCB check v
3. YAISIGINNH IOHLNO9 39078 TVNIIAH3 L HOLOW HIV 114406 HOLOW OLLINOVIA ZAY 41445 0018 TWNIWHAL 834470 wNu3 x3 Av Tad oLEINO VIN H6M 440 NO Av 13H OLLINDVIN ASZ 062 802 d3iNHOJSNVuL HLL SIN Av 138 OIL3NOVW 1 HOS AIdANS z 0G8dHM HOS 80d HOLAVOV ASN 1vio3dS Av 3H OLLINOVIN H9X HvM HOLO3NNOO S3lHOSS399V IVNOILAO HOLIMS 40197173S 1551 AvI3H OLLJNOVW _ HOX HIM HOLO3NNOO IVNOLLAO 1 1 3 903 HOLOINNOO HOLOIN H3dAVQ HOLIMS 915 AZN LAdLNO 1 1 3 HOS 39018 TWNIWHAL 01591 HOLO3NNOO VOLX V6X uiv HOOGLNO HOLSIWH3HL 13H 4 906 01 1052 ISNA 1VWE83HL 1MZ4 LALA NH9 JONVHO 980 MOTTSA MTA SLIHM LHM 3078 MOV1E 18 SMOTIOS SV MOHS Z HOOGNI HOLSINHSH L vol 8 asna Als GFONVHO SI ONLLL3S JHL NAY LON TIIM AHOLOV LY HON 135 N338 AQV38 IV 91 155 9 YO LOW udi va HOLOW SIN HOLIOVdvo 29 109 IVANVIA GSHOVLLV NI LINA SHL OL LI LO3NNOO Dd HOLAVOV 5 ISYONI 9 A NYO LOVINOO 90 09 NV BI 1SNVHX
4. 17 1 3 Layout of switches on POB ico 24 Part 5 Service Diagnosis Tz s DiEDUDISSIIDOHDIQ cr Aa 27 US Error a ES 27 18 Overall ATQ 29 Table of Contents SiUS711114 1 9 Overall uoo etse n 30 1 4 Indoor Air Thermistor 31 1 5 Outdoor Air Thermistor 22 0 mn 32 1 6 Damper System Error 33 1 7 Damper System Error Alarm 35 1 8 Dedicated LCD Remote 36 1 9 Transmission Error between Remote Controller and Main Unit 38 1 10 Transmission Error Remote Controller 40 1 11 Transmission Error between Main Remote Controller and Sub Remote Gontroller eee e et en oe tute tete cuts 41 1 12 Field Setting Error aor ceo e lex a de be tens P eR 42 1 13 Duplication of Centralized Remote Controller 43 1 14 Main Unit PCB Abnormality sese 44 1 15 Dedicated LCD Remote 46 1 16 How to Check et e 47 oe c e t et EE Deo ta te ee ERU cas 48 1218 Power edd
5. Service Diagnosis 34 Troubleshooting SiUS711114 1 7 Damper System Error Alarm Remote Controller Display Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting D Measurement of damper motor limit switch ON OFF time and temperatures detected by outdoor and indoor air thermistor When damper system error alarm and indoor or outdoor thermistor error are generated at the same time When damper system error alarm occurs and values of indoor and outdoor air thermistor meet frost conditions Frosting Broken wire in cable Defective control PCB Defective damper motor or limit switch Defective indoor air thermistor Defective outdoor air thermistor Defective contact in connector including relay connector N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts may be damaged Check error record on error history display in service mode Are TEM and 55 or 55 recorded Are En and recorded Liu Is recorded Take corrective measures specified for damper system error alarm Remove the cause of problem and reset display Take corrective measures specified for damper system error alarm and indoor and outdoor air thermistor errors Take correcti
6. 49 1 19 Damper Motor 51 12056 UOC PP 52 Service Diagnosis 26 Troubleshooting SiUS711114 1 Troubleshooting Error Code Display 1 1 Operation Eee items will blink in the basic screen Error Push Menu button The operation lamp will blink Warning Push Menu button The operation lamp will not blink Press Menu OK button Operation lamp e f an error occurs either one of the following e The error code will blink and the service 0123 456 7890 contact and model name or code may appear e Notify your Daikin dealer of the Error code and model name or code List of error codes of Remote controller of the ERV system The error codes displayed on remote controller are with two digits and not with four digits Error Code Description Reference page Overall alarm 29 60 Overall error 30 64 Indoor air thermistor error 31 6 Outdoor air thermistor error 32 6 Damper system error Alarm 33 Damper system error Alarm 33 88 Dedicated LCD remote controller 36 U5 Transmission error between remote controller and main unit 38 U5 Transmission error Remote controller 40 U8 Transmission error between main remote controller and sub remote 41 controller U
7. LINDHIO 1OH1NOO ALON e Sines Nina WIX vo SLN n JZW MTA NHO W E E uy lu yuyu E EE ozs k 216 VOX JW3TIOHLNOO 310 38 2 2 9 g goesups 9 PRA aiv 15 4 O 0 OlwpX 0110 Vex VLXIO_OIWSLX SIX YIX VSX e analzHa 1203 Ma ES m Adi DI OMA up JODIDA Bole me _ Noo ou c 424 mana LO ines a Da At 3E zr E E v 310N 7 5 je KS Ble x mE 6 1 se 4 E IN Y Y ZU EJE 3 mr rm Boas V9LX PE i cu 0000009 9 310N LSS jl div ved O vex 1 1 14 ENJEH3EOJ 1 1 rm E cu 9 Neu py Na NL Ay 4 icd 1 nm Ave ALIOVdVO GN No YT 19V 1NOO ltr eV SWNINYAL 1 81 0 1 02 AHOSS3OOV 40 G 10N 894 HOLAVOV a 58 Wiring Diagram SiUS711114 59 Appendix Warning e Daikin products are ma
8. Micro computer checks if data is transmitted properly between main sub remote controller When data transmission is not performed correctly for a certain time period Defective remote controller setting Defective remote controller N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts may be damaged Is main sub remote control used NO Is main sub Selection switch set to Main NO Set the main sub selection switch to Main Turn OFF power then restart gt Replace remote controller Is main sub selection switch properly set NO gt Set main sub selection switch to Main and set the other to Sub Then turn OFF power and restart operation gt Replace either main or sub remote controller 41 Service Diagnosis SiUS711114 Troubleshooting 1 12 Field Setting Error Remote Controller Display Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting n Note n W Defective combination of remote controller than 16 units connected to remote controller cable W Defective remote controller N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts may be damaged 15 the combination of femote controller and Energy re
9. NO gt Damper motor is defective Damper motor is normal Check the resistance and voltage DAMPER MOTOR 51 Service Diagnosis SiUS711114 Troubleshooting 1 20 Check 159 9 Thermistor temperature resistance conversion table Thermistor Thermistor resistance Thermistor Thermistor resistance temperature temperature 14 or more 108kQ or more 72 F Approx 23kQ 23 F Approx 85kQ 75 F Approx 21kQ 32 F Approx 66kQ 79 F Approx 19kQ 41 F Approx 51kQ 82 F Approx 18kQ 50 F Approx 40kQ 86 F Approx 16kQ 57 F Approx 33kQ 95 F Approx 13kQ 61 F Approx 30kQ 22 F or 64 F Approx 28 more 68 F Approx 25kQ AD87A001J If measured value deviates significantly from above values thermistor is defective Use the tester to check resistance Continuity check o lt Service Diagnosis 52 SiUS711114 1 Service Mode 1 1 BRC1E71 Part 6 Supplementary Explanation 53 Supplementary Explanation SiUS711114 Service Mode 1 Service Mode 1 4 BRC1E71 Operating the remote controller allows service data to be acquired and various services to be set Basic screen is displayed Press Cancel Press and hold Cancel button Press Cancel button button for 4 seconds or mor
10. 1 1 Ss Operation lamp ge Lamp ES ON E Note Cold area mode can set using remote controller for air conditioner or field setting mode of LCD remoter controller of Energy recovery ventilator Protection Control Operation Control in Cold Climates To operate the unit at low outdoor air temperatures control the air supply fans and the exhaust fans as shown below for equipment protection Models applicable to outdoor air temperatures of 5 F at minimum m Outdoor air temperature lt 14 F Air supply fan ON for 45 min OFF for 15 min Outdoor air temperature gt 8 6 F Normal operation Outdoor air temperature gt 17 6 F Outdoor air temperature lt 5 F Air supply fan stop Exhaust fan stop 1 2 4 Air Conditioner Link Operation Link system enables simultaneous ON OFF operation of Energy recovery ventilator and air conditioner VRV system SkyAir 1 1 group link control M Allows simultaneous ON OFF from remote controller for air conditioner W Allows independent operation of Energy recovery ventilator from VRV system remote controller during interim periods not possible when direct duct connection is used VRV system 1 O L IRemote controller for air conditioner 19 Control Functions Control Functions SiUS711114 2 Link control of 2 or more groups zone link W Energy recovery ventilator can be operated
11. A 9 9 1 T 1 BS Far 1 Damper motor ra po per Totalheat Total heat W gt ventilation mode exchange Normal exchange eN ventilation i ventilation A ventilation Normal ventilation 3 5 o 5 Operation lamp 5 8 Lamp 55 E E Note Direct duct connection setting can be made VRV system or using field setting mode of Energy recovery ventilator LCD remote controller 17 Control Functions SiUS711114 Control Functions 1 2 2 Pre cool Pre heat Pre cool pre heat operations require the following conditions 1 System Pre heat operation is possible only in air conditioner linked system 1 group 2 group link Check the system first Energy recovery ventilator setting Set Pre heat ON OFF to ON Pre cool pre heat On OFF setting can be made in air conditioner or using field setting mode of LCD remote controller of Energy recovery ventilator Pre cool time can be set between 30 and 60 min and pre heat time can be set between 30 and 150 min Others 8 Energy recovery ventilator must be in non operating condition for 2 consecutive hours or more prior to pre cool pre heat operation b Temperature control mode of the air conditioner must be set to Cool Heat or Dry Normal ventilation Pre cool pre heat Operation mode selection time over Stop i 1 1 1 D 1 1 8 ON O
12. H3MOd Appendix 57 Wiring Diagram SiUS711114 1 2 VAM1200GVJU 904684048 4ndino TWNH3LX3 00718 TWNINYSL 01591 17 1 3 HOJ HOLO3NNOO YS LX HOLOW Nvd HIV 15 HOLON oLESNO VN HOLOANNOO vOLX V6X HOLOW HIV AIdANS HOLON 4 AV138 OLLINOVIN CIOHLINOO 42018 TVNIINH3LL Av 13H OLLINOVN H6 8014707 1915 HOLO3NNOO WEEX DNIMIM HOS 89d HOLAVAV 1995 H3MOd 40018 1 62 1 SLI AvT3H OLLINDVIN H
13. DAIKIN SiUS711114 Service Energy Recovery Ventilator Applied Models VAM 300GVJU VAM 470GVJU VAM 600GVJU VAM1200GVJU SiUS711114 Energy Recovery Ventilator ED Reference For items below please refer to Engineering Data No Item ED No Page Remarks 1 Specification EDUS711116 P 2 2 Option List EDUS711116 P 49 TE inii nU ROSTER DTI iii 141 Safety Cautions Pr iii 1 2 Safety Symbols iii viii Part 1 General Information T Model Names 2 2 202 ace ns epic a 2 3 OCOnDSITUGCHOTIS aw t dot EISE 3 Part 2 Operation IOo i i MR IP 6 1 1 I T NM 1 2 Operating the Energy Recovery Ventilator Using the Remote Controller of the VRV System Air 2 8 Part 3 Maintenance 1 Maintenance for a qualified service person only 11 1 1 How to Clean the Air 4 44440404 11 1 2 How to Clean the Heat Exchanger Core 14 Part 4 Control Functions Te Control FUNCIONS s cicuta 16 1 1 List of Control 16 1 2 Explanation of Individual Functions
14. e OG be re 49 1 19 Damper Motor et d d ad ate 51 1 20 CHECK 1E eec A hd Ad 52 Part 6 Supplementary Explanation OO Part 7 Appendix 1 Service Mode i 54 1 S BRIAN 54 A ON 57 1 1 VAM300GVJU VAM470GVJU VAM600QGVJU 57 12 VAMI200QVJU viciosa od 58 Table of Contents SiUS711114 Introduction 1 Introduction Safety Cautions Cautions and Warnings 1 1 1 1 1 Be sure to read the following safety cautions before conducting repair work The caution items are classified into Warning and N Caution N Warning Indicates a potentially hazardous situation which if not avoided could result in death or serious injury AN Caution Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices Be sure to observe all the safety caution items described below About the pictograms A This symbol indicates the item for which caution must be exercised The pictogram shows the item to which attention must be paid O This symbol indicates the prohibited action The prohibited item or action is shown in the illustration or near the symbol This symbol indicates the action that must be taken or the instruction The instruction is show
15. Control Functions SiUS711114 Part 5 Service Diagnosis 1 Troubleshooting tui bU xo Ro ao Mua dd 27 1 1 Error Code Display Hm 27 1 2 Overall A etai 29 1 9 Overall Error naar d at 30 1 4 Indoor Air Thermistor 31 1 5 Outdoor Air Thermistor 1041 4 0 32 1 6 Damper System Error 33 1 7 Damper System Error its 35 1 8 Dedicated LCD Remote 36 1 9 Transmission Error between Remote Controller and Main Unit 38 1 10 Transmission Error Remote Controller 40 1 11 Transmission Error between Main Remote Controller and Sub Remote uio t e cet ete te ete eee 41 1 12 Field Setting Error acce p alate Ead ended ed 42 1 13 Duplication of Centralized Remote Controller 43 1 14 Main Unit PCB 2 4 400000 44 1 15 Dedicated LCD Remote 46 1 16 HOw to Check etie e tee te ete Bera 47 ic e rc be v e 48 1 18 Power
16. FLA FHa CNS CN15 X15A 6780 95 AC200V 240V n e s alls a a n 250V gt 33 M3 ADK TIR SEC rm THe ReT co2 tvyro nep Ful ZFU B 104 5 j 2 la s O 1 1 ES 9 LED A Micro computer Operation Monitor N 9334 Majus lt O J ta Xen 58 2 O The settings of the BRC1E71 remote controller should be switched while referring to the manual supplied with the remote controller 37 Service Diagnosis SiUS711114 Troubleshooting 1 9 Transmission Error between Remote Controller and Main Unit Remote Controller Display Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting po gt Micro computer checks if data is transmitted properly between main unit and remote controller When data transmission is not performed correctly for a certain time period W Defective connection of remote controller cable W Defective remote controller cable W External factor noise etc N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts may be
17. 2 Installation box for adaptor PCB KRP50 2A90 2 Operation of 2 or more group is not possible with a direct duct connection as below 3 The direct duct connection can also be selected for 1 group linked operation system SYSTEM Standard method Direct duct connection system L1 Remote controller Remote controller The ERV operates only when the air conditioner fan is ON When the air conditioner is not being used the ERV can be operated in circulation or ventilation modes Other specifications are the same as those of the standard system Operation Operation SiUS711114 1 1 2 Centralized Control System VRV System SYSTEM Standard method Use of the ON OFF controller Adaptor PCB for remote control or Schedule timer Adaptor PCB for enables centralized control of the entire remote control system maximum of 64 groups timer The ON OFF controller can turn ON or controller OFF the individual units ERV The schedule timer and ON OFF gt WE controller can be used together cL However the Adaptor PCB for remote control cannot be used with another centralized control equipment All individual control system Remote controller LI Remote controller Remote controller Centralized control system Use of the centralized control equipment enables zone control via the centralized Centralized control line maximum of 64 zones con
18. Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below Icon Type of Description Information Note Indicates situations that may result in equipment or property damage accidents only Note Caution Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to Caution alert against unsafe practices Warning Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Warning Reference A reference guides the reader to other places in this binder or in this manual where he she will find additional information on a specific topic vii SiUS711114 Part 1 General Information Model Names RII en be rire 2 2 ExtemalADDealallGO ineo cd och f Ra m vodka apa cM ERG 2 GOnSstitiCllong ss eit rein tti eH e iu 3 General Information SiUS711114 Model Names 1 Model Names Type 300 470 600 1200 Model name VAM300GVJU VAM470GVJU VAM600GVJU VAM1200GVJU 2 External Appearance VAM300GVJU VAM470GVJU VAM600GVJU VAM1200GVJU General Information Constructions SiUS711114 3 Constructions VAM300GVJU VAM470GVJU 1 Hanger bracket 8 Heat exchanger core VAM600GVJU It exchanges heat temperature and humidity f
19. Required setting changes for switchover to X15A output see below for details Connected load capacity 0 5A or less Intake of outdoor air can be prevented when ERV is switched OFF if this damper is incorporated in Control Functions 22 Control Functions SiUS711114 Essential Wiring Connect one end of the harness to X15A on the PCB and the other end to the harness leading to the damper via a connector such as a closed connector Control box cover Transmission Open B wiring this way Screws To External damper Control box Interior Electric component mounting base Harness AWG20 accessory Closed connector field supply X15A PCB Clamp accessory With regard to a closed connector select one that suits the wire size Secure the harness with the other wires by using the clamp Essential Setting To make the X15A output available change the field setting by the remote controller as below Changes Mode No 18 group control or 28 individual control FIRST CODE NO 3 SECOND CODE NO 03 23 Control Functions SiUS711114 Control Functions 1 3 Layout of switches on PCB
20. XBR 1 rmi LEDA Micro computer Operation Monitor Service Diagnosis 28 Troubleshooting SiUS711114 1 2 Overall Alarm Remote Controller Display Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting Abnormalities detected based on external input terminals J1 JC When external input terminal J1 JC short circuit during operation Overall Alarm must be set in field setting mode 1 W Defective external device Broken wire W Defective control PCB N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts may be damaged Is connected external device operating properly NO gt Remove the cause of error in connected external device Measure the resistance between external input terminals J1 JC Is the resistance NO 200 Q or lower Check wires for abnormalities broken wire defective contact etc gt Replace the control PCB Note 1 Refer to the field setting mode P 21 Mode No 18 First Code No 8 Second Code No 02 29 Service Diagnosis SiUS711114 Troubleshooting 1 3 Overall Error Z UN Remote a Controller Display Method of Error Abnormalities are detected based on external input terminals J1 JC Detection Error Decisio
21. neutral detergent After cleaning remove water and dry in the shade Note wash the air filter with hot water of more than 122 F as doing so may result in discoloration and or deformation Do not expose the air filter to fire as doing so may result in burning Do not use gasoline thinner or other organic solvents This may cause discoloration or deformation Maintenance 12 Maintenance for a qualified service person only SiUS711114 4 Fix the air filter If the air filter is washed remove water completely and allow to dry for 20 to 30 minutes in the shade When dried completely install the air filter back in place Note sure to install the air filter after servicing Missing air filter causes clogged heat exchanger core The air filter is an optional item and the replacement is available 5 Put the service cover back securely in place To reset the filter indicator on the remote controller press Menu OK button and select Reset Filter Indicator on the main menu screen Consult your dealer if you want to change the time setting for when the filter sign goes m Note Do remove the air filter except when cleaning Breakdown may occur 13 Maintenance SiUS711114 Maintenance for a qualified service person only 1 2 How to Clean the Heat Exchanger Core B CLEANING FREQUENCY AT LEAST ONCE EVERY 2 YEARS FOR GENERAL OFFICE USE
22. time setting 30 min 45 min 60 min 17 27 4 Fan speed initial setting Normal Extra high Yes No setting for direct duct alow With duct _ _ connection with VRV system fan OFF 5 setting Setting for cold areas Fan No duct With duct tome ORE Lon Tor fester FanL FanOFF FanL 7 Centralized individual setting Centralized Individual zi Centralized zone interlock 8 setting No Yes 9 Pre heat time extension setting 0 min 30 min 60 min 90 min FE Priority on p Last Priorityon m O External signal JC J2 pod operation 1 Setting for direct Power ON OFF ON 2 setting OFF ON 3 External damper operation ON Indication of ventilation mode mem No 18 28 Notindication Indication Indication B E 7 up air supply exhaust Indication Indication Indication Indication gt 9 Supply Exhaust Supply Exhaust 8 External input terminal function Overall Overall Forced Fanforced Airflow selection between J1 and JC alarm error OFF OFF increase KRP50 2 output switching Fan Z 9 selection between 1 and 3 ON OFF Abnormal Preceding Preceding 19 29 8 Electric heater setting No delay No delay ON OFF ON OFF delay delay la 0 Fresh up ON OFF setting OFF ON Note 1 The settings are applied to the en
23. when 1 or more air conditioners are operating M Allows independent operation of Energy recovery ventilator from VRV system remote controller during interim periods direct duct connection is not allowed in this system SY eee am lt gt Group Group 1 1 S Remote controller Remote controller Remote controller for air conditioner for air conditioner for air conditioner Adaptor PCB for remote control KPR2A61 Note With Super Wiring units of different outdoor systems can be linked in operation 20 Control Functions Control Functions SiUS711114 1 2 5 Field Setting Service Mode 1 Field setting Used for initial setting of Energy recovery ventilator 2 Service mode Used for confirmation of unit Nos in the group and reallocation of unit Nos List of Settings Factory setting Mode No FIRST SECOND CODE NO NOTE 1 Group Individual CODE Description of Setting settings settings NO 02 03 15 Up Approx Approx No 0 Filter cleaning time setting 2500 1250 hours hours Counting Night time free cooling operation start time after other 1 air conditioners operating OFF 2 hours 4 hours 6 hours 8 hours together with the unit have been stopped Pre cool pre heat ON OFF setting OFF ON 3 Pre cool pre heat
24. 5 16 1 Transformer 6 Connector for damper 11 Connector for indoor air 15 Terminals for centralized 2 Secondary motor thermistor control 3 Primary 7 Power supply 12 Connector for outdoor air 16 Terminals for no voltage 4 Connector for supply airfan 8 Terminal block thermistor external input motor 9 Connector for KPR50 2 13 Selector switch 17 Factory setting 5 Connector for exhaust fan 10 Connector for limit switch 14 Terminals for remote 3P034928 7Q motor controller 551 has already been set to at factory The unit will not run if the setting is changed Control Functions 24 Control Functions SiUS711114 1 3 2 Function of main connection terminal Terminal No Contents of function Single phase 208 230 V 60Hz lt gt Power supply and ground terminal o S o L N gt Test o a Connection terminal for remote controller for 5 Energy recovery ventilator 9 This terminal is used to receive information of the 5 indoor unit for interlocked operation be P1 P2 2 c 5 This terminal is used to receive information when 2 centralized controller is connected 5 5 F1 F2 S 5 4 Between terminal no 41 JC 3 Used for fresh up operation by external input 2 Between terminal no J2 JC o Used for Operation Stop by external input E J1 J2 JC 5 25
25. A Field setting error 42 Duplication of centralized remote controller 43 UE Transmission error between the unit and centralized controller a In case of the error with the code white letters the black background in the unit still operates However be sure to have it inspected and repaired as soon as possible If other than the above error codes are displayed there is a possibility that the problem in question has occurred with an interlocked air conditioner or outdoor unit See the operation manuals included with the air conditioners or outdoor units for details Note If no code is shown on the remote controller display there is a possibility of following errors The power supply to the unit is off The indoor unit and or ERV have not been wired for power supply e Incorrect wiring for the remote controller the transmission wiring and or the FORCED OFF wiring The remote controller wiring is disconnected Incorrect setting the 551 switch of PCB 27 Service Diagnosis SiUS711114 Troubleshooting Main Unit PCB MFI MIF Sh MFe Mar ZTIR PRI gi XeR Orce LE ER RED A BLU AC200V 240V MD M1D CNS X3R Ful 10A 250V e 5 5 E y c x E 15 158 137428 TIR SEC CN8
26. CLEAN THE CORE MORE FREQUENTLY IF NECESSARY Warning Caution During Operation Caution Replace the heat exchanger core if you find that the knob of the heat exchanger core is damaged or is deteriorated when cleaning There 15 falling danger 1 2 3 Remove the service cover Remove the air filter Take out the heat exchanger cores Pull out the air filter and then pull out the 2 heat exchanger cores Use a vacuum cleaner to remove dust and foreign objects on the surface of the heat exchanger core En Y AJ N A 2 OY y AY 4 VA AL b p N NM A EE AD Qr N 4 p a A A 7 2 A 9 SAE LL fb QU 90009 C O LU DI DO OA KJ LY UU LY LY LY C 7 qy A AN pal A v 9 9 ERRE RR O Q 3 AS a Q RA WW YAA 9 5 9 45 E UY Y DA V WA AY XN 47 27 b 5 V 7 Ly A 9 9 DEERE 7 ARMAR AQUA OWN V AAA 9 9 5 9 Use the vacuum cleaner equipped with a brush on the tip of the suction nozzle Lightly contact the brush on the surface of the heat exchanger core when cleaning Do nat crush the heat exchanger core while cleaning Do not clean touching strongly with a vacuum cleaner T
27. FF i i z Operation i gt 1 5 Ventilation fan motor OFF ON i Pre cool pre heat ventilation 3 i 2 i ini oc ME m 9 Damper motor Total heat ventilation mode exchange Total heat exchange ventilation Normal ventilation ventilation Lamp Operation lamp ON i Remote controller Operation standby Lamp indication indication Note Operation standby indication is displayed only on LCD remote controller of Energy recovery ventilator Control Functions 18 Control Functions SiUS711114 1 2 3 Cold Area Mode Stops or lowers ventilation airflow during defrosting operation and compressor non operating condition when equipment in heating mode thus reducing heating load and cold air draft Operation chart in heating operation only Normal ventilation Operation mode selection Defrosting operation or compressor Non defrosting operation or non operation compressor in operation 5 ON OFF Operation 5 Fan motor 10sec 7 ES 9 Ventilation fan motor ON OFF i OFF ON 3 65 1 T i Bs a 53 5 5 Damper motor Total heat ON Total heat ventilation mode exchange Normal exchange ventilation 1 ventilation ventilation Normal ventilation 1 2 9
28. No you want to check O Code 00 Remote controller thermistor F 01 Suction air thermistor F 02 Heat exchanger liquid pipe thermistor F 03 Heat exchanger gas pipe thermistor F 04 Indoor unit address No 05 Outdoor unit address No 06 Branch Selector unit address No 07 Zone control address No 08 Cooling Heating batch address No 09 Demand low noise address No O Data The corresponding data will be displayed based on the Unit No and Code selected 55 Supplementary Explanation SiUS711114 Part 7 Appendix 1 Wiring Matan xx vwd asd Pel 57 1 1 VAM300GVJU VAM470GVJU VAM600QGVJU 57 12 VAMT200GVJU e a ed ee eo 58 Appendix 56 SiUS711114 Wiring Diagram iagram D VAM300GWU VAM470GVJU VAM600GVJU iring 1 1 1 969554048
29. Press this button again to stop the system Operation lamp Green This lamp illuminates solid during normal operation This lamp blinks if an error occurs 10 Cancel button e Used to return to the previous screen 11 LCD with backlight The backlight will be illuminated for approximately 30 seconds by pressing any button e f2 remote controllers are used to control a single indoor unit only the controller to be accessed first will have backlight functionality Operation SiUS711114 Part 3 Maintenance 1 Maintenance for a qualified service person only 11 1 1 How to Clean the Air 0 8 11 1 2 How to Clean the Heat Exchanger Core 14 10 Maintenance Maintenance for a qualified service person only SiUS711114 1 Maintenance for a qualified service person only A Warning Caution ONLY A QUALIFIED SERVICE PERSON IS ALLOWED TO PERFORM MAINTENANCE BEFORE SERVICING TURN OFF ALL POWER SUPPLY To clean or do maintenance on the ERV be sure to stop operation and turn the power switch OFF It may cause electric shock or injury Do not wash the ERV with water Doing so may result in an electric shock Use gloves when cleaning Cleaning without gloves may cause injury Watch your step Use caution as this requires working in high places Do not use b
30. S OLON A S M 3193138 38 9 NOIL VH3dO TOHINOO 440 NO HS3HH SLNANI IVNH3LX3 SNLLO3NNOO N3HM r EN nz E mer JHL IHL LO3NNO9 t TTOBLNOO 310038 32VELN3O ONIS ISVO NI E MOA NHOE MANO 3ALLO3LOHd D ONIHIM p 39018 TVNIIAH3L HOLO3NNOO TVNIWH3L 0 1 wm lw mim ALON a le ale amp 5 aya N SEN is eR E E BUE E EE mm amp palos SEK ul WSx O_olvex O c Jyzx 214 HAHAHA oa P OX O Ho Hey HP UOI BO HDI ons Y311041N09 31038 03211 1 30 NOLLOANNOO e gt lt 13 N A 10H1NOO 3LON 24 H HON b 9 LON 155 dag V6X v ALON 7 H4 of 66 6 e Oraga x nid um 195 Noa 9 9 9090 25 NIX Pom oe 19 OSNO e 129 rd Ave P 4 Alvavo lt 4 2 4 a S ee LIE S IVNIINH3 L 1VNH31X3 01691 o A AHOSS399V TWNOILdO s ejon 8 89d HOLdVQV ee ee 1
31. Z S1HVd IVNOLLAO HOLO3NNOO S3lHOSS32OVv IVNOILdO ASZ 06 2 802 H3lNHOJSNVH L AV138 OILSNOVIN 9 OHO MOTTSA MTA LHM 3078 038 A0W18 0718 SMOTIO3 SY MOHS 51081445 Z 350 71935 HOW HOLIMS 40193138 155 AV138 OLLINDVIN SI ONILLAS di LON TIIM LINN IHL AHO LOV LV OL 13 AQV38 TV SVH 91 LSS 9 u3dWva HOLIMS 925 915 HPIA 3LIA WONVIN G3HOV LLV 3ONVOHOOOY NI LINN OL LI LO3NNOO 804 HO1dVQY 5 ISVO 9 4 906 VOL AOSZ 8504 VINEZHL 1094 1018 Od JO a 1avoriddv INQIWINIW 38NSNA NYO 1VH L LOV LNOO aunt vor 03193738 38 NOILVH3dO 1OHINOO 4 HO HS3HH SLAdNI TVNH3LX3 ONILOANNOD N3HM JEW AV138 OLLINOVIN eng LAY VOL 8 35N3 WANVIN NI OL LI LOINNOO H3TT0H1NOO SLOWSY Q3ZIIVHIN39 ONISN 5549 NI HOOG LNO HOLSIIWH3HL 129 34vIN 3LIN HOLIOWd VO 79 9 3ALLO31OHd 91315 HOOQNI HOLSINE3HL 118 LINOHIO GALNIHd dev 49018 HOLOANNOD 0 0 IVNINH3L 9 1 YOLOW HOLOW SZW SEW
32. an and other heaters stoves and ranges eooeeccocse Introduction SiUS711114 N Warning When relocating the equipment make sure that the new installation site has sufficient strength to withstand the weight of the equipment If the installation site does not have sufficient strength and if the installation work is not conducted securely the equipment may fall and cause injury Check to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet securely If the plug has dust or loose connection it may cause an electrical shock or fire Be sure to install the product correctly by using the provided standard installation frame Incorrect use of the installation frame and improper installation may cause the equipment to fall resulting in injury For unitary type only Be sure to install the product securely in the installation frame mounted on the window frame If the unit is not securely mounted it may fall and cause injury For unitary type only When replacing the coin battery in the remote controller be sure to disposed of the old battery to prevent children from swallowing it If a child swallows the coin battery see a doctor immediately N Caution Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site to prevent electrical shocks Do not install the equipme
33. as where corrosive gases such as acid gas or alkaline gas are produced 2 If the outdoor unit is to be installed close to the sea shore direct exposure to the sea breeze should be avoided If you need to install the outdoor unit close to the sea shore contact your local distributor Organization DAIKIN INDUSTRIES LTD Organization oes AIR CONDITIONING MANUFACTURING DIVISION DAIKIN INDUSTRIES rea Scope of Registration THAILAND ETD S ISO 5 All of the Daikin Group s business THE DESIGN DEVELOPMENT AND MANUFACTURE OF Scope of Registration 14001 3 facilities and subsidiaries in Japan COMMERCIAL AIR CONDITIONING HEATING COOLING THE DESIGN DEVELOPMENT 2 are certified under the v 14001 REFRIGERATING EQUIPMENT HEATING EQUIPMENT AND MANUFACTURE OF AIR ana Te RESIDENTIAL AIR CONDITIONING EQUIPMENT HEAT CONDITIONERS AND THE b management RECLAIM VENTILATION AIR CLEANING EQUIPMENT COMPONENTS INCLUDING 65512044 JMI 0107 COMPRESSORS AND VALVES JQA 1452 COMPRESSORS USED FOR THEM d Dealer N DAIKIN AC AMERICAS INC 1645 Wallace Drive Suite 110 Carrollton TX75006 info O daikinac com www daikinac com 62011 Daikin Industries LTD Specifications designs and other content appearing in this brochure are current as of December 2011 but subject to change without notice SiUS711114 Printed in U S A 12 2011 AK
34. ay be damaged Do not use objects with sharp ends to press the buttons on the remote controller otherwise damage may result Operation mode selector button e Press this button to select the operation mode of your preference Available modes vary with the indoor unit model Fan speed control button e Press this button to select the fan speed of your preference Available fan speeds vary with the indoor unit model Operation Operation SiUS711114 Menu OK button e Used to indicate the main menu For details refer to the operation manual attached to the remote controller e Used to enter the selected item Up button A e Used to raise the set point The item above the current selection will be highlighted The highlighted items will be scrolled continuously when the button is continuously pressed e Used to change the selected item Down button V e Used to lower the set point The item below the current selection will be highlighted The highlighted items will be scrolled continuously when the button is continuously pressed e Used to change the selected item Right button e Used to highlight the next items on the right hand side e Each screen is scrolled in the right hand direction Left button 4 Used to highlight the next items on the left hand side e Each screen is scrolled in the left hand direction On Off button Press this button and system will start
35. cause injury Be sure to check that the refrigerating cycle section has cooled down enough before conducting repair work Working on the unit when the refrigerating cycle section is hot may cause burns Use the welder in a well ventilated place Using the welder in an enclosed room may cause oxygen deficiency SiUS711114 Introduction 1 1 2 Cautions Regarding Safety of Users AN Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools may cause an electrical shock excessive heat generation or fire If the power cable and lead wires have scratches or deteriorated be sure to replace them Damaged cable and wires may cause an electrical shock excessive heat generation or fire Do not use a joined power cable or extension cable or share the same power outlet with other electrical appliances since it may cause an electrical shock excessive heat generation or fire Be sure to use an exclusive power circuit for the equipment and follow the local technical standards related to the electrical equipment the internal wiring regulations and the instruction manual for installation when conducting electrical work Insufficient power circuit capacity and improper electrical work may cause an electrical shock or fire Be sure to use the
36. control equipment 3 7 Timer function Turns equipment ON and OFF at set time 4 Other support functions 4 1 Troubleshooting function Displays error codes to indicate locations of error 4 2 Field setting function Allows initial setting from LCD remote controller Note Note 1 Requires optional humidifier and optional printed circuit board KRP50 2 Wiring adaptor for remote contact Control Functions 16 Control Functions SiUS711114 1 2 Explanation of Individual Functions 1 2 1 Ventilation Operation Control Controls ventilation fan motors supply and exhaust air fans and damper motor 1 Normal operation Operation chart uo Cleaning Normal ventilation Filter sign Operation time mode selection reset Stop EE 2 Ventilation fan motor ON OFF ON i T 0 55 ix QE Damper motor i e ventilation mode ON Total heat Total heat exchange ux vem ventilation Normal ventilation ventilation Operation Filter sign indicator Remote controller indication 2 Direct duct connection with air conditioner Operation chart Normal ventilation Operation mode selection Air conditioner Air conditioner fan OFF fan ON 5 ON OFF 5 o gt m 1 10 sec Ventilation fan motor ON OFF or
37. covery ventilator air conditioner correct 1 Check the system and correct connections Are 17 or more units connected to remote controller cable NO gt Change the connections so that 16 or fewer units are connected to remote controller cable gt Replace the remote controller 1 Combination Correct Wrong Main body Remote controller Correct Wrong Energy recovery ventilator only Energy recovery ventilator Correct Energy recovery ventilator only Air conditioner Correct Energy recovery ventilator air conditioner Energy recovery ventilator Wrong Energy recovery ventilator air conditioner Air conditioner Correct Service Diagnosis 42 Troubleshooting SiUS711114 1 13 Duplication of Centralized Remote Controller Remote Controller Display Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting Remote controller micro computer checks for double setting of addresses When same address is set to 2 or more units Overlapping of centralized control address W Defective remote control N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts may be damaged Change centralized address settings using remote controller Then turn OFF the power supply and turn ON the power again Does equipment reset Replace the remote contro
38. damaged Check the connection of remote controller cable to control PCB Connection cable between main unit and remote controller properly wired Correct the wiring Is the remote controller cable normal 41 gt Replace the remote controller cable gt Possibility an external factor instead of equipment error 1 Use tester to check continuity of remote controller cable Disconnect cable from main unit PCB and remote controller PCB Measure the resistance between wires in cable Resistance should be infinity 2 Use tester to check voltage on PCB Check with power turned ON W With remote controller cable disconnected voltage between P1 and P2 on PCB should be approx 16 VDC If measured value is not approx 16 VDC PCB is defective Service Diagnosis 38 Troubleshooting SiUS711114 M Connect remote controller cable and disconnect remote controller Voltage at the end of remote controller cable should be approx 16 VDC If measured value is not 16 VDC remote controller cable is defective Connect remote controller cable and remote controller Voltage between P1 and P2 on remote controller PCB should be approx 16 VDC If measured valued is not 16 VDC remote controller is defective P1 P2 9 9 9 9 69 69 9 JC J2 J1 F2 F1 2 1 Remote controller Remote controller Ma
39. ducting repair work A charged capacitor may cause an electrical shock Do not start or stop the air conditioner operation by plugging or unplugging the power cable plug Plugging or unplugging the power cable plug to operate the equipment may cause an electrical shock or fire obPeootn Introduction SiUS711114 N Warning Be sure to wear a safety helmet gloves and a safety belt when working at a high place more than 6 56 ft Insufficient safety measures may cause a falling accident In case of R 410A refrigerant models be sure to use pipes flare nuts and tools for the exclusive use of the R 410A refrigerant The use of materials for R 22 refrigerant models may cause a serious accident such as a damage of refrigerant cycle as well as an equipment failure 9 9 N Caution Do not repair the electrical components with wet hands Working on the equipment with wet hands may cause an electrical shock Do not clean the air conditioner by splashing water Washing the unit with water may cause an electrical shock Be sure to provide the grounding when repairing the equipment in a humid or wet place to avoid electrical shocks Be sure to turn OFF the power switch and unplug the power cable when cleaning the equipment The internal fan rotates at a high speed and cause injury Be sure to conduct repair work with appropriate tools The use of inappropriate tools may
40. e Detection Error Decision When damper motor limit switch 1 or 2 remains ON or OFF for more than a certain time Conditions duration after ventilation mode is changed When damper motor limit switch 1 or 2 repeats ON OFF operations after damper motor 1 or 2 stops Supposed Defective damper motor or limit switch Causes Broken wire in cable Defective contact in connector including relay connector Defective control PCB Troubleshooting N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts may be damaged Is the relay connector of damper NO motor unit connected gt Connect the relay connector Check the connectors or X4A X5A or X6A on PCB of damper motor unit Are the connectors NO connected gt Connect the connectors 15 the damper motor unit NO gt Replace the damper motor unit operating normally 1 YES Replace the control PCB Note 1 Place tester probes on connectors of limit switch Move switch by hand and check continuity If tester indicates 00 when limit switch turns ON and infinity when it turns OFF limit switch is normal 33 Service Diagnosis SiUS711114 Troubleshooting Place tester probes on connectors of damper motor and check the resistance If tester indicates approx 17 kO in 200V model damper motor is normal Check the resistance and voltage
41. e once Service settings menu is displayed Press and hold Cancel button for 4 seconds or more Select the desired item from the Maintenance menu and Select the desired Unit No Maintenance then press Menu OK button 2 js using the Up Down menuis lt displayed buttons The corresponding displayed Press Cancel button data will be displayed Maintenance Menu Item 2 Remarks 2 1 Model Name 1 Unit No Select the Unit No you want to check 2 Indoor unit 3 Outdoor unit 2 2 Operating Hours 1 Unit No Select the Unit No you want to check 2 Indoor unit operating time 3 Indoor unit fan operation 4 Indoor unit energized time 5 Outdoor unit operating time 6 Outdoor unit fan 1 operation 7 Outdoor unit fan 2 operation 8 Outdoor comp 1 All of these are displayed in hours operation 9 Outdoor 2 operation 2 3 Indoor Unit Status 1 Unit No Select the Unit No you want to check 2 FAN Fan tap 3 FLAP Swing fixed 4 Speed Fan speed rpm 5 EV Degree that electronic expansion valve is open pls 6 MP Drain pump ON OFF 7 EH Electric heater ON OFF 8 Hu Humidifier ON OFF 9 TBF Anti freezing control ON OFF Supplementary Explanation 54 Service Mode SiUS711114 Maintenance Menu Item 2 Remarks 2 3 Indoor Unit Statu
42. e air to the same condition as indoors and then brings it indoors 500 Sometimes when first using the unit the odor of the heat exchanger core may be noticeable but it is not harmful The odor will gradually go away as the unit is used 15 Service space for the air filter the heat exchanger core and control box A 17 SA EE Supply air on Supply air __ ng to inside it o an T n lt n Eme M E D pce bed D B 16 RA cll 71 Return air Return air from inside 12 Damper motor 7 Service cover 9 Nameplate 6 Control box 11 Remote controller Optional accessory 14 OA lt Outdoor air Fresh air from outside 13 EA E Exhaust air Exhaust air to outside General Information SiUS711114 Part 2 Operation a 1 1 Explanation for Systems aaa 6 1 2 Operating the Energy Recovery Ventilator Using the Remote Controller of the VRV System Air Conditioner 8 Operation SiUS711114 Operation 1 Operation 1 1 Explanation for Systems This product is operated differently depending on the system configuration For the operation o
43. ective Transformer is normal 49 Service Diagnosis SiUS711114 Troubleshooting Resistance of primary side of transformer approx 1400 Resistance of secondary side of transformer approx 1 90 Voltage at secondary side of transformer when rated voltage is applied to primary side approx 26 VAC Insulation resistance between primary side of transformer and case 100 or higher Insulation resistance between secondary side of transformer and case 100 MO or higher Insulation resistance between primary side and secondary side of transformer 100 MO or higher Check the resistance and voltage Q Service Diagnosis 50 Troubleshooting SiUS711114 1 19 Damper Motor Method of Error Check the damper motor and limit switch when damper motor does not operate Detection Error Decision Conditions Supposed Causes Troubleshooting N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts may be damaged Place tester probes at connectors of limit switch and check continuity while moving switch by hand measured value 0 Q when limit switch turns ON and infinity when it turns OFF YES NO Limit switch is defective Place tester probes on connectors of damper motor and check resistance measured value of EJ type approx 17
44. enzene or thinner to clean the outside surfaces of the unit This may cause cracks discoloration or machine trouble 1 1 How to Clean the Air Filter Clean the air filter when the display shows the message Time to clean filter at the bottom It will display that it will operate for a set amount of time B CLEANING FREQUENCY AT LEAST ONCE EVERY YEAR FOR GENERAL OFFICE USE CLEAN THE FILTER MORE FREQUENTLY IF NECESSARY Increase the frequency of cleaning if the unit is installed in a room where the air is extremely contaminated If the dirt becomes impossible to clean change the air filter The replacement air filter is optional 1 Remove the service cover Go into ceiling through the inspection hatch remove a fixture of service cover and take it off VAM300GVJU 600GVJU 1 Service cover 2 Fixture 3 Hanger VAM1200GVJU 1 Service cover 2 Fixture 3 Hanger Maintenance SiUS711114 Maintenance for a qualified service person only 2 Remove the air filter Take out from the heat exchanger cores VAM300GVJU 600GVJU 1 Heat exchanger core 2 pcs 2 Handle 4 Air filter VAM1200GVJU 1 Heat exchanger core 4 pcs 2 Handle 4 Air filter 3 Clean the air filter Use a vacuum cleaner A or wash the air filter with water B A Using a vacuum cleaner B Washing with water When the air filter is very dirty use a soft brush and
45. f the remote controller for indoor unit and centralized control equipment refer to the instruction manual provided with each unit 1 1 1 Independent System Interlocking System with VRV or SkyAir System SYSTEM Standard method Independent system gt 2 wire cord Remote controller field supply Upto 16 units can be controlled with the remote controller A system with 2 remote controls can be created in the main sub setting All operations can be used indicated Operation monitor output and humidifier Mn non are possible using the Adaptor Remote control cord should be field supply Maximum cord length 1640 ft 1 group linked operation system Remote Remote controller controller A combined total of up to 16 air conditioners and the ERV can be controlled The ERV mode can be operated independently when air conditioners are not being used Using the field setting of the remote controller for air conditioners various settings such as pre cool pre heat reservation ON OFF ventilation rate ventilation mode etc Interlocking system with VRV or SkyAir system Multi group 2 or more linked operation system Since all VRV units are connected to a single line in view of installation all VRV units are subjects for operation f there are problems operating all VRV units do not use this system Note 1 Adaptor PCB KPR50
46. his may crush the mesh of the heat exchanger core Never wash the heat exchanger core with water Have your dealer professionally clean the filter if it is very dirty 5 Put the heat exchanger core on the rail and insert it securely in place 6 T Always use the air filter Install the air filter securely in place Install the service cover securely in place If the air filter is not used the heat exchanger core will be clogged possibly causing poor performance and subsequent failure Maintenance 14 SiUS711114 Part 4 Control Functions iaa 16 1 1 List of Control 16 1 2 Explanation of Individual Functions 17 1 3 Layout of switches On POB ar 24 Control Functions SiUS711114 Control Functions 1 Control Functions 1 1 List of Control Functions Classification Function name Outline of function 1 Basic functions functions related to basic performance 1 1 Ventilation operation control function Controls supply air fan motor exhaust air fan motor and damper motor 1 2 Abnormality control function Detects abnormalities in thermistor damper motor and data transmission to prevent errors 2 Additional functions 2 1 Ventilation mode changeover function Operates equipment in selected ventilation mode total heat e
47. in unit PCB pud ventilator 39 Service Diagnosis SiUS711114 Troubleshooting 1 10 Transmission Error Remote Controller Remote Controller Display Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting eo Micro computer checks if data is transmitted properly between main unit and remote controller When data transmission is not performed correctly for a certain time period Erroneous connection Defective remote controller setting W Defective remote controller N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts may be damaged Is remote controller other than dedicated remote controller connected to remote controller cable NO Correct the wiring Is main sub remote control used NO gt Replace the remote controller Is main sub selection switch properly set NO gt Setone main sub selection switch to Main and set the other to Sub Then turn OFF power and restart operation Replace either main or sub remote controller Service Diagnosis 40 Troubleshooting SiUS711114 1 11 Transmission Error between Main Remote Controller and Sub Remote Controller Remote Controller Display Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting
48. ller properly gt End of correction procedure 43 Service Diagnosis SiUS711114 Troubleshooting 1 14 Main Unit PCB Abnormality Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting Check micro computer operation monitor When main unit PCB does not operate When communication circuit errors Defective fuse 10A or more Defective power transformer 275 F or more Noise Defective main unit PCB A Caution Turn OFF the power supply and turn ON the power again Does the equipment reset properly YES With remote controller disconnected check the micro computer operation monitor Check the other possible causes Abnormal Is monitor indicator OFF NO Y Monitor indicator remains ON Normal Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Noise may be causing erroneous operation If power reset does not solve the problem replace the main unit PCB There may be an error in main unit PCB fuse main unit PCB or power transformer Check the fuse and transformer If they are normal replace the PCB Replace the main unit PCB Replace the main unit PCB Replace the defective parts Service Diagnosis 44 Troubleshooting SiUS711114 Main unit PCB O
49. n When external input terminal J1 JC short circuit during operation Overall Error must be set in Conditions field setting mode 1 Supposed Defective external device Causes Broken wire W Defective control PCB Troubleshooting N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts may be damaged Is connected external NO device operating Remove the cause of error in properly connected external device Measure the resistance between external input terminals J1 JC Is the NO resistance 200 Q or gt Check wires for abnormalities lower broken wire defective contact etc YES gt Replace the control PCB Note 1 Refer to the field setting mode 21 Mode No 18 First Code No 8 Second Code No 03 Service Diagnosis 30 Troubleshooting SiUS711114 1 4 Indoor Air Thermistor Error gt Remote Du Controller Display Method of Error Temperature detected by indoor air thermistor is used to detect errors Detection Error Decision When value detected by indoor air thermistor is 40 C or below open circuit or 70 C or higher Conditions short circuit Supposed Defective thermistor Causes Broken wire Defective control PCB Defective contact in connector Troubleshooting N Be sure to turn off the power switch before connecting or disconnecting Caution c
50. n in the illustration or near the symbol After the repair work is complete be sure to conduct a test operation to ensure that the equipment operates normally and explain the cautions for operating the product to the customer Cautions Regarding Safety of Workers N Warning Be sure to disconnect the power cable plug from the plug socket before disassembling the equipment for repair Working on the equipment that is connected to the power supply may cause an electrical shook If itis necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas is discharged during the repair work do not touch the discharged refrigerant gas The refrigerant gas may cause frostbite When disconnecting the suction or discharge pipe of the compressor at the welded section evacuate the refrigerant gas completely at a well ventilated place first If there is a gas remaining inside the compressor the refrigerant gas or refrigerating machine oil discharges when the pipe is disconnected and it may cause injury If the refrigerant gas leaks during the repair work ventilate the area The refrigerant gas may generate toxic gases when it contacts flames The step up capacitor supplies high voltage electricity to the electrical components of the outdoor unit Be sure to discharge the capacitor completely before con
51. nt in a place where there is a possibility of combustible gas leaks If the combustible gas leaks and remains around the unit it may cause a fire Check to see if the parts and wires are mounted and connected properly and if the connections at the soldered or crimped terminals are secure Improper installation and connections may cause excessive heat generation fire or an electrical shock If the installation platform or frame has corroded replace it Corroded installation platform or frame may cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grounded Improper grounding may cause an electrical shock eec vi Introduction N Caution Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 or higher Defective insulation may cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Defective drainage may cause the water to enter the room and wet the furniture and floor Do not tilt the unit when removing it The water inside the unit may spill and wet the furniture and floor oec wet the furniture and floor Be sure to install the packing and seal on the installation frame properly If the packing and seal are not installed properly water may enter the room and For unitary type only 1 2 Safety Symbols
52. nufactured for export to numerous countries throughout the world Prior to purchase please confirm with your local authorized importer distributor and or retailer whether this product conforms to the applicable standards and is suitable for use in the region where the product will be used This statement does not purport to exclude restrict or modify the application of any local legislation e Ask a qualified installer or contractor to install this product Do not try to install the product yourself Improper installation can result in water or refrigerant leakage electrical shock fire or explosion e Use only those parts and accessories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorized parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion e Read the User s Manual carefully before using this product The User s Manual provides important safety instructions and warnings Be sure to follow these instructions and warnings If you have any inquiries please contact your local importer distributor and or retailer 05 LISTED Intertek Daikin Daikin AC Absolute Comfort and its design VRV REFNET and Quaternity are trademarks of Daikin Industries LTD All rights reserved Cautions on product corrosion 1 Air conditioners should not be installed in are
53. oltage between P1 and P2 on main unit PCB Is measured value approx 16 VDC NO gt Replace the main unit PCB Connect remote controller cable to main unit PCB and disconnect remote controller Check voltage at the end of cable on remote controller side Is measured value approx 16 VDC NO gt There may be broken wiring in remote controller cable Replace the remote controller PCB EHIH Reter to Service Diagnosis 46 Troubleshooting SiUS711114 1 16 How to Check CHECK 1 Dedicated remote controller Option O O O Main unit PCB 2 Dedicated remote controller Option Main unit PCB CHECK 3 Dedicated remote controller Option O O O amp le e e e e e m ia JC J2 J1 F2 F1 2 P1 Remote controller Remote controller for Energy recovery Main unit PCB ventilator 47 Service Diagnosis SiUS711114 Troubleshooting 1 17 Thermistor Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting Remove thermistor and check resistance with tester Defective thermistor Broken wire Defective control PCB Defective contact in connector N Be sure to turn off the power switch before connecting or disc
54. onnecting Caution connectors or parts may be damaged Remove thermistor from main unit PCB X12A X134 and check the resistance using tester Is the resistance as NO shown below gt measured value deviates significantly from values in the table thermistor is defective Thermistor is normal 01140 09 Refer to P 52 Service Diagnosis 48 Troubleshooting SiUS711114 1 18 Power Transformer Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting Check the resistance and voltage with tester and insulation resistance with megger Defective power transformer 275 F or more N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts may be damaged Check the resistance of primary side of transformer the measured resistance deviate significantly from values shown below Transformer is defective NO Y Check the resistance of secondary side of transformer the measured resistance deviate significantly from values shown below YES gt Transformer is defective Apply rated voltage to primary side of transformer and check the output voltage of secondary side of transformer the measured voltage deviate significantly from values shown below YES gt Transformer is def
55. onnectors or parts may be damaged Remove the thermistor R1T from X12A 3P on control PCB and measure the resistance Is the thermistor normal NO gt Replace the indoor air thermistor gt lf there is no defective contact replace the control PCB Refer to P 52 31 Service Diagnosis SiUS711114 Troubleshooting 1 5 Outdoor Air Thermistor Error Remote Controller Display Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting Temperature detected by outdoor air thermistor is used to detect errors When value detected by outdoor air thermistor is 40 or below open circuit or 70 C or higher short circuit Defective thermistor Broken wire Defective control PCB Defective contact in connector N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts be damaged Remove the thermistor R2T from X13A 2P on control PCB and measure the resistance Is the thermistor normal NO Replace the outdoor air thermistor gt lf there is no defective contact replace the control PCB 01150 09 Refer to P 52 Service Diagnosis 32 Troubleshooting SiUS711114 1 6 Damper System Error Alarm 1 Remote Controller Display Method of Error Measurement of damper motor limit ON OFF tim
56. rom indoors with the air taken in from outdoors changes the outside air to the same condition as indoors and then brings it indoors 7 Service cover 6 Control box 2 Duct connecting flange 3 Exhaust fan 4 Air filter 9 Nameplate 5 Damper 10 Supply air fan Important Sometimes when first using the unit the odor of the heat exchanger core may be noticeable but it is not harmful The odor 11 Remote controller d will gradually go away as the unit is used Optional accessory 15 Service space for the air filter the heat exchanger core 1 1 1 1 and control box 1 1 1 1 1 1 1 14 ly Outdoor air Fresh air from inei outside 13 EA p Exhaust air Exhaust air to outside 16 RA Return air Return air from inside 12 Damper motor 3 General Information SiUS711114 Constructions VAM1200GVJU 3 Exhaust fan 1 Hanger bracket 2 Duct connecting Ev ALA 2 O 4 EA Y D date an gt A 5 Damper 4 Air filter 8 Heat exchanger cores lt exchanges heat temperature and humidity from indoors with the air taken in from outdoors changes the outsid
57. s 10 FLOAT 11 T1 T2 12 Unit No Select the Unit No you want to check SkyAir VRV 13 Th1 Suction air thermistor Suction air thermistor 14 Th2 Heat exchanger Heat exchanger liquid thermistor pipe thermistor 15 Th3 Heat exchanger gas pipe thermistor 16 Th4 Discharge air thermistor Discharge air thermistor 17 Th5 18 Th6 2 4 Outdoor Unit Status 1 Unit No Select the Unit No you want to check 2 FAN step Fan tap 3 COMP Compressor power supply frequency Hz 4 EV1 E that electronic expansion valve is open pls 5 SV1 Solenoid valve ON OFF SkyAir VRV 6 Th1 Outdoor air thermistor 7 Th2 Heat exchanger thermistor 8 Th3 Discharge pipe thermistor 9 Th4 Heat exchanger deicer thermistor 10 Th5 Heat exchanger gas pipe thermistor 11 Th6 Liquid pipe thermistor 2 5 Forced Defrost SkyAir only 1 Forced defrost ON Enables the forced defrost operation 2 Forced defrost OFF Disables the forced defrost operation 2 6 Error Display 1 Display Warning ON Displays a warning on the screen if an error occurs 2 Display Warning OFF No warning is displayed 3 Display Error ON Displays the error on the screen 4 Display Error OFF Displays neither errors nor warnings 2 7 Swap Unit No 1 Current Unit No 2 Transfer Unit No A unit No can be transferred to another 2 8 Addressed Sensor Value O Unit No 0 15 Select the Unit
58. specified cable for wiring between the indoor and outdoor units Make the connections securely and route the cable properly so that there is no force pulling the cable at the connection terminals Improper connections may cause excessive heat generation or fire When wiring between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable If the cover is not mounted properly the terminal connection section may cause an electrical shock excessive heat generation or fire Do not damage or modify the power cable Damaged or modified power cable may cause an electrical shock or fire Placing heavy items on the power cable and heating or pulling the power cable may damage the cable Do not mix air or gas other than the specified refrigerant R 410A R 22 in the refrigerant system If air enters the refrigerating system an excessively high pressure results causing equipment damage and injury If the refrigerant gas leaks be sure to locate the leaking point and repair it before charging the refrigerant After charging refrigerant make sure that there is no refrigerant leak If the leaking point cannot be located and the repair work must be stopped be sure to perform pump down and close the service valve to prevent the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it may generate toxic gases when it contacts flames such as f
59. tire group but if the mode No individual settings is selected the settings can be applied to individual unit However it is only possible to check any changes made to individual setting in individual mode For group control the changes are made but the display remains as it was when shipped from the factory 2 Do not set anything not shown above If the applicable functions are not available they will not be displayed 3 Group number setting for centralized controller 1 Mode No 00 Group controller 2 Mode No 30 Individual controller Regarding the setting procedure refer to the section Group number setting for centralized control in the operating manual of either the ON OFF controller or the central controller 21 Control Functions SiUS711114 Control Functions 1 2 6 External Damper Operation FIELD SUPPLY Explanation of Functions the system 1 The PCB of the ERV unit supplies power for an external damper Control Air discharge grille box Inspection B hatch grille ERV unit Air suction S4 RU External damper field supply OA Outdoor air EOS C from outside VAM Round shape hood psi EA Exhaust air to outside External damper field supply Power supply is turned ON when the ERV unit starts operating Power supply is turned OFF when the ERV unit is switched OFF Power supply voltage 208V 230V
60. trol equipment The centralized control equipment O displays the Filter indication and abnormality warnings and enables resetting The centralized control equipment allows ventilation operation for each zone independently Zone control system EJ Re Remote controller controller qt N Caution 1 Adaptor PCB KRP50 2 Schedule timer DST301BA61 ON OFF controller DCS301C71 Central remote controller DCS302C71 7 Operation SiUS711114 Operation 1 2 Operating the Energy Recovery Ventilator Using the Remote Controller of the VRV System Air Conditioner Remote Controller for VRV BRC1E71 n Note a Operation mode selector button Fan speed control button Menu OK button Up button A Down button V Right button gt Left button 4 button 9 Operation lamp 10 Cancel button 11 LCD with backlight Functions other than basic operation items i e On Off Operation mode selector Fan speed control and temperature set point are set from the menu screen Do not install the remote controller in places exposed to direct sunlight otherwise the LCD will be damaged Do not pull or twist the remote controller wire otherwise the remote controller m
61. ve measures specified for damper system error alarm and outdoor air thermistor error Take corrective measures specified for damper system error alarm and indoor and outdoor air thermistor error 35 Service Diagnosis SiUS711114 Troubleshooting 1 8 Dedicated LCD Remote Controller ua Remote DX DNO Controller Display Method of Error When remains on remote controller display Detection Error Decision Conditions Supposed M Main sub setting of remote controller abnormality Causes W Defective remote controller PCB W Defective main unit PCB Troubleshooting N Be sure to turn off the power switch before connecting or disconnecting Caution connectors or parts be damaged Check to see if main sub remote controller is used Is main sub remote controller used YES gt Change main sub selection Switch to set proper main sub relation One should be set to Main and the other set to Sub Check micro computer operation monitor on main unit PCB NO M 08 gt Replace the remote controller NO gt Replace the main unit PCB Service Diagnosis 36 Troubleshooting SiUS711114 Dedicated Remote Controller lt BRC1E71 gt Remote controller PCB Main Unit PCB RC POWER 9 9 MFe MeF WD NID ea 1
62. xchange normal automatic 2 2 Automatic ventilation operation function Selects the most suitable ventilation mode by controlling damper motor according to temperature controller mode temperature setting and thermistor data 2 3 Ventilation capacity changeover function Operates equipment at set airflow rate 2 4 Humidifier operation control function Controls humidifier output based on temperature controller judgement Note 1 2 5 Pre cool pre heat function Prevents equipment operation for a preset time set time after air conditioner is turned ON 2 6 Fresh up Sets motor tap so that supply air fan airflow rate is larger function than exhaust air fan airflow rate 2 7 Filter sign Stores cumulative operation hour data and turns ON air function filter cleaning indicator 3 System control 3 1 Remote Operates equipment according to instructions from functions controller function remote controller 3 2 Group function Operates 2 or more units based on instructions from single remote controller 3 3 Air conditioner link function Follows air conditioner ON OFF instructions 3 4 Power ON operation function Operates equipment when power is turned ON 3 5 External link operation function Turns equipment ON and OFF according to external link terminal signal no voltage contact a 3 6 Centralized control function Allows remote control operation by centralized

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