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Introduction

Service Manual-CN Fixed RPM series

1-1

1. Introduction

1.1

General

The CN Fixed RPM Cassette type split air conditioner has the same appearance

and structure with CN DCI model. It comprise RC (heat pump) models, as

follows:

CN 9, CN 12, CN 18

1.2 Main

Features

The CN Fixed RPM series benefits from the most advanced technological

innovations, namely:

R410A refrigerant

High COP

Precharged refrigerant

Low Sound level for both Indoor and Outdoor

60 x60 cm dimenstion designed for integration in suspended ceilings

New grille, modern style with elegant lines in line with every interior decor

, 2 panels optional available (hard ceiling / Suspended ceiling)

Motorized air distribution flaps

Very slim profile 219mm at size 9-12, and 270mm at size 18

Option of fresh air intake, and air distribution to adjacent room

Integrated condensate pump with a lift of 1m Max.

Up to 15 m pipe length between indoor and outdoor units

Up to 7 m vertical high between indoor and outdoor units

Heating operation at outdoor temprature down to -9°C

Built in over-flow protection against the condensate water

Easy installation and service.

Fan speed can be adjusted by air flow compensation setting according to

different installation height (Field option)

Содержание ONG3-17 R410A

Страница 1: ...CN Fixed RPM Series REFRIGERANT R410A HEATPUMP REV 01 Oct 2008...

Страница 2: ...fected non effected pages divided by chapters Dates of issue for original and changed pages are Original 0 1 October 2008 Total number of pages in this publication is 127 consisting of the following P...

Страница 3: ...DITIONS 3 1 4 OUTLINE DIMENSIONS 4 1 5 PERFORMANCE DATA 5 1 6 PRESSURE CURVES 6 1 7 SOUND LEVEL CHARACTERSTICS 7 1 8 ELECTRICAL DATA 8 1 9 WIRING DIAGRAMS 9 1 10 REFRIGERATION DIAGRAMS 10 1 11 TUBING...

Страница 4: ...New grille modern style with elegant lines in line with every interior decor 2 panels optional available hard ceiling Suspended ceiling x Motorized air distribution flaps x Very slim profile 219mm at...

Страница 5: ...vide complete operating function and programming For further details please refer to the Operation Manual Appendix A 1 5 Outdoor Unit The outdoor units can be installed as floor or wall mounted units...

Страница 6: ...essories Remote Control Panel 625x625 for gird ceiling Panel 725x725 for hard ceiling 1 8 Inbox Documentation 1 9 Matching Table In addition the listed outdoor units can be matched with other types of...

Страница 7: ...t 3 levels Package dimensions 880x600x320 Packaged weight 34 Dimensions 830x545x245 Net Weight 32 1370 Sound power level Sound pressure level 3 Air flow 61 51 Fan type quantity Propeller direct x 1 Fa...

Страница 8: ...ity Centrifugal x 1 Fan speeds 650 550 450 Air flow 1 490 400 320 External static pressure 0 Sound power level 2 48 46 44 Sound pressure level 3 36 34 32 Moisture removal 1 35 Condenstate drain tube I...

Страница 9: ...ugal x 1 Fan speeds 750 650 550 Air flow 1 680 580 490 External static pressure 0 Sound power level 2 52 49 47 Sound pressure level 3 41 39 37 Moisture removal 2 40 Condenstate drain tube I D 16 Dimen...

Страница 10: ...Weight kg 2 2 Package Dimensions H x L x D mm 700x700x103 Package Weight kg 3 4 Units per pallet units 20 Stacking height units 10 levels Panel 725x725 Optional accessory For all the models Dimension...

Страница 11: ...ducted units Cooling Indoor 27o C DB 19o C WB Outdoor 35 o C DB Heating Indoor 20o C DB Outdoor 7o C DB 6o C WB Operating Limits R410A Indoor Outdoor Upper limit 32o C DB 23o C WB 46o C DB Cooling Lo...

Страница 12: ...al CN Fixed RPM series 4 1 4 OUTLINE DIMENSIONS 4 1 Indoor Unit CN 9 12 18 Unit Model Main unit A Insulation B Front Step C Front width D Front height E Effective Height H CN 9 12 219 2 9 625 725 40 2...

Страница 13: ...Outline Dimensions Service Manual CN Fixed RPM series 4 2 4 2 Outdoor Unit GCN 9 12 R410A 4 3 Outdoor Unit ONG3 17 R410A...

Страница 14: ...3 0 63 TC 2 72 2 91 3 08 3 22 3 33 SC 0 56 0 60 0 64 0 63 0 64 25 PI 0 67 0 68 0 68 0 69 0 69 TC 2 55 2 74 2 97 3 08 3 19 SC 0 54 0 58 0 62 0 61 0 64 30 PI 0 73 0 73 0 74 0 75 0 75 TC 2 35 2 55 2 80 2...

Страница 15: ...80 15 3 33 0 73 3 25 0 79 3 17 0 84 20 3 51 0 75 3 43 0 82 3 33 0 88 LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor 5 1 3 Capacity...

Страница 16: ...C 3 15 3 38 3 58 3 74 3 87 SC 0 86 0 93 0 98 0 96 0 99 25 PI 0 87 0 88 0 89 0 89 0 89 TC 2 96 3 19 3 45 3 58 3 71 SC 0 82 0 89 0 96 0 94 0 98 30 PI 0 94 0 95 0 96 0 97 0 98 TC 2 73 2 96 3 25 3 41 3 54...

Страница 17: ...13 15 4 17 1 03 4 07 1 11 3 97 1 18 20 4 40 1 06 4 30 1 15 4 17 1 24 LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor 5 2 3 Capacity...

Страница 18: ...C 5 00 5 36 5 67 5 92 6 13 SC 1 46 1 56 1 65 1 62 1 66 25 PI 1 37 1 39 1 40 1 41 1 41 TC 4 69 5 05 5 46 5 67 5 87 SC 1 38 1 49 1 61 1 58 1 65 30 PI 1 49 1 51 1 53 1 54 1 54 TC 4 33 4 69 5 15 5 41 5 61...

Страница 19: ...79 15 6 35 1 64 6 20 1 76 6 04 1 88 20 6 69 1 69 6 54 1 83 6 35 1 97 LEGEND TH Total Heating Capacity kW PI Power Input kW WB Wet Bulb Temp o C DB Dry Bulb Temp o C ID Indoor OU Outdoor 5 3 3 Capacity...

Страница 20: ...Pressure Curves Service Manual CN Fixed RPM series 6 1 6 PRESSURE CURVES 6 1 Model CN9 GCN 9 R410A 6 1 1 Cooling...

Страница 21: ...Pressure Curves Service Manual CN Fixed RPM series 6 2 6 1 2 Heating...

Страница 22: ...Pressure Curves Service Manual CN Fixed RPM series 6 3 6 2 Model CN12 GCN 12 R410A 6 2 1 Cooling...

Страница 23: ...Pressure Curves Service Manual CN Fixed RPM series 6 4 6 2 2 Heating...

Страница 24: ...Pressure Curves Service Manual CN Fixed RPM series 6 5 6 3 Model CN18 ONG3 17 R410A 6 3 1 Cooling...

Страница 25: ...Pressure Curves Service Manual CN Fixed RPM series 6 6 6 3 2 Heating...

Страница 26: ...racteristices Service Manual CN Fixed RPM series 7 1 7 SOUND LEVEL CHARACTERISTICS 7 1 Indoor unit 7 1 1 Sound Pressure Level Figure 1 7 1 2 Soud Pressure Level Spectrum Measured as Figure 1 FAN SPEED...

Страница 27: ...Sound Level Characteristices Service Manual CN Fixed RPM series 7 2...

Страница 28: ...Sound Level Characteristices Service Manual CN Fixed RPM series 7 3 7 2 Outdoor unit 7 2 1 Sound Pressure Level Figure 2 7 2 2 Soud Pressure Level Spectrum Measured as Figure 2...

Страница 29: ...Sound Level Characteristices Service Manual CN Fixed RPM series 7 4...

Страница 30: ...rical Data Service Manual CN Fixed RPM series 8 1 8 ELECTRICAL DATA NOTE Power wiring cord should comply with local laws and electrical regulations requirements Option When outdoor unit have the termi...

Страница 31: ...Wiring Diagrams Service Manual CN Fixed RPM series 9 1 9 WIRING DIAGRAMS 9 1 Indoor Unit CN 9 12 18...

Страница 32: ...Wiring Diagrams Service Manual CN Fixed RPM series 9 2 9 2 Outdoor Unit GCN 9 R410A GCN 12 R410A ONG3 17 R410A...

Страница 33: ...Wiring Diagrams Service Manual CN Fixed RPM series 9 3 9 3 Connections between indoor unit and outdoor unit...

Страница 34: ...Refrigeration Diagrams Service Manual CN Fixed RPM series 10 1 10 REFRIGERATION DIAGRAMS 10 1 Cooling Mode 10 2 Heating Mode...

Страница 35: ...es 11 1 11 TUBING CONNECTIONS When the outdoor unit is installed above the indoor unit an oil trap is required every 5m along the suction line at the lowest point of the riser In case the indoor unit...

Страница 36: ...the following groups of air conditioners ST RC Group Cooling only cooling and heating by heat pump SH Group Cooling and heating by heat pump and supplementary heater RH Group Cooling heating by heater...

Страница 37: ...PX NFC ALPHA EMD ELD CN 1 1 1 1 1 1 1 1 000 001 010 011 100 101 110 111 Reserved P2000 WMN4 PXD WAX APLPHA17 NKN WNG 18 24 0 0 0 0 0 0 0 0 000 001 010 011 100 101 110 111 Water Source Heat Pump Jumper...

Страница 38: ...ature RT2 sensor IF IFAN Indoor Fan IR Infra Red LEVEL1 Normal Water Level LEVEL2 3 Medium High Water Level LEVEL4 Overflow Level Max Maximum Min Minimum min Minute time NA Not Applicable OCP Outdoor...

Страница 39: ...g Mounted NKN Wall Mounted CN Cassette 12 2 3 List of A C Groups The following table defines the different A C groups and the applicable operation modes for each group Operating Mode ST RH RC SH Fan Y...

Страница 40: ...change ignored 12 3 2 IFAN operation Min time interval between IFAN speed change in AUTOFAN Mode is 30 sec Min time interval between IFAN speed change in H M L Mode is 1 sec IFAN speed in Heat Cool Au...

Страница 41: ...Similarly in the Indoor Units of a WMQ T system 4 7k Ohm 5 resistors must be connected to the OCT ports to disable the Thermistor Temp reading doesn t change error checking Definition of thermistor fa...

Страница 42: ...CT fault the ICT high pressure protection in Heat Mode and ICT defrost protection in Cool Mode will not operate anymore The same is also applied to the OCT fault There is an EEPROM option that when th...

Страница 43: ...e error is cleared by a change in OCT This faults can also be cleared by switching the unit from STBY mode to operate mode or when the unit is reset e g reset by power interrupt 12 4 COOLING MODE 12 4...

Страница 44: ...Feel On or Off Control function Maintains room temp at desired level by comparing RT and SPT RT SPT o c 3 2 1 0 1 2 ON OFF ON OFF USER FAN SPEED ON OFF COMP OFAN IFAN RV Note 1 IFAN is always running...

Страница 45: ...Autofan Mode Cool Auto at cooling Temp Selected desired temperature Fan Auto Timer Any I Feel On or Off Control function Maintains room temp at desired level and controls the IFAN speed for optimal c...

Страница 46: ...FF in RH group 3 IF operating rules a As a general rule for RC and SH groups when COMP is ON excluding protection modes IFAN will be switched ON if x ICT 35o c or x at the 30 second 4 after the COMP i...

Страница 47: ...starts When HE switches to OFF IFAN switches to LOW for 30 sec and then stops 4 HE operation a For all Groups HE can be ON only when IFAN is ON b For all Groups HE switches to OFF when ICT 50 o c and...

Страница 48: ...de Heat Auto at heating Temp Selected desired temperature Fan HIGH MED LOW Timer Any I Feel On or Off Control function Maintains room temp at desired level by comparing RAT or RCT to SPT RT SPT o c 2...

Страница 49: ...h Autofan Mode Heat Auto at heating Temp Selected desired temperature Fan Auto Timer Any I Feel On or Off Control function Maintains room temp at desired level by controlling COMP IFAN and OFAN RT SPT...

Страница 50: ...rvice Manual CN Fixed RPM series 12 15 Note OFAN operation is controlled by the graph below when 1 RAT t SPT 2o c AND 2 ICT t 45o c AND 3 COMP is ON Otherwise OFAN runs together with COMP OCT o c 3 2...

Страница 51: ...at low speed The proper Auto Heat mode or Auto Cool will be started whenever the RT reaches SPT 1o c or SPT 1o c respectively 4 For RC SH units Mode change between Auto Heat Auto Cool Modes are possib...

Страница 52: ...ny Timer Any I Feel On or Off Control function Maintains room temp at desired level by selecting between cooling and heating modes RT SPT o c 3 2 1 0 1 2 3 ON OFF ON OFF H M L OFF L OFF ON OFF ON OFF...

Страница 53: ...low speed IFAN DRY RT SPT o c 2 1 0 1 2 ON OFF ON OFF LOW OFF DRY ON DRY OFF ON OFF Time min 10 20 30 40 50 Max 15 minutes 3 5 min Note1 6 min Note 2 COMP OFAN HE1 HE2 IFAN RV Max 15 minutes 5 minutes...

Страница 54: ...s changed from ON to OFF or vice versa the limits mentioned in 1 2 are ignored The COMP operation is only controlled by the 3 min Min OFF time and 1 min Min ON time 4 In Dry Mode IFAN is LOW when COMP...

Страница 55: ...room humidity with minimum Temp fluctuations by operating in Cool Mode with low speed IFAN and HE RT SPT o c 2 1 0 1 2 ON OFF ON OFF LOW OFF ON OFF 10 20 30 40 50 COMP OFAN HE1 IFAN HE2 ON OFF RV Tim...

Страница 56: ...desired temp Fan Any Timer Any I Feel On or Off Control Function Protect the indoor coil from ice formation at low ambient temperature ICT oc 2 ON OFF ON OFF t1 t2 t3 COMP OFAN 1 5 14 0 1 ON OFF IFAN...

Страница 57: ...Any I Feel On or Off Control Function To protect the COMP from the high pressure built up in the outdoor coil during normal cooling operation by switching OFF the IFAN and COMP OCT o c Any OFF Any ON...

Страница 58: ...ON delay time The OPER LED will not blink in this case 2 Parameters values Parameter Regular Fix RPM unit Water Source Heat Pump Unit HPC1 52 38 HPC2 55 42 HPC3 61 45 HPC4 66 48 3 Low Condensing Prot...

Страница 59: ...ormation by controlling COMP RV operation Scope This new deicer is designed to operate at extreme temp conditions The deicing cycle could be triggered from 1 OCT temp and time between two consecutive...

Страница 60: ...1 All others DI 40 or 10 DT 5 Activate DDt setting Routine Start counting TLD DTF 0 OCT DOC DTF 1 OCT DDT during last 3 minutes ICT 40 deg Deicer activation see Notes TLD DI OCT DST during last 3 minu...

Страница 61: ...A C is working in Heat Mode the routine outputs Deicing Dynamic Threshold DDT and Deicer Threshold Flag DTF to the main Deicer routine TLD TST AND SCT SCD DDT OCT TempD DTF 1 IFAN OFAN speed change Re...

Страница 62: ...Note 3 DI note 1 DI note 2 30s 3 min 3 min IFAN OFF ANY HE OFF ANY all SH units except WAX RC or WAX units HEs are forced OFF IFAN is forced to Low Speed BLINK ON OPER LED Notes 1 In the following Dei...

Страница 63: ...cation of a valid dynamic threshold temp DTF 0 ref temp NOT set 1 ref temp set Speed_Change_Time r Time from last speed change SCT Parameters to be stored in the EEPROM Variable Details Abv Default Te...

Страница 64: ...to 255 minutes 1eH DImax Addr 18H NNXX 00 ffH time from 0 to 255 minutes 50H DOC Addr 19H XXXN 0 fH temperature from 7 to 8 degree C 5 DST Addr 19H XXNX 0 fH temperature from 0 to 15 degree C 8 TempD...

Страница 65: ...forced OFF 67 OFAN is force Off ON BLINK OPER LED Notes 1 IFAN HE1 and HE2 will be activated according to the relevant Heating Mode Sect 2 In case of any malfunction in the relay control circuit the...

Страница 66: ...mp Fan Any Timer Any I Feel On or Off Unit Enabled only in WSHP units type Disabled for all other unit types Control Function To protect the COMP from High Evaporating pressure built up in the outdoor...

Страница 67: ...MBX LEVEL1 LEVEL2 3 LEVEL4 NORMAL ON ICP OFF Notes 1 When water level reaches LEVEL 4 ICP will be turned ON even if the unit is in SB mode Heat and Auto Heat modes 2 Under normal operation at least on...

Страница 68: ...vent Condensed water from Overflowing ON OFF ON COMP WVL PUMP OFF ON OPER LED OFF Overflow Water Level Normal BLINK COMP WVL is forced OFF 8 min 8 min Overflow when unit is ON Overflow when unit is OF...

Страница 69: ...ator is blinked to indicate the situation The LED keeps blinking until the timer settings can be reloaded from a R C message Note If all timers are inactive the system will not be forced OFF after the...

Страница 70: ...automatically when it receives any I FEEL data from any R C 3 If an ELCON is in I FEEL Mode and no I FEEL data has been received from the R C for more than 4 min 6 min for RC4 short IFEEL messages th...

Страница 71: ...l louver can be driven by either AC motor or step motor No change in jumper setting is necessary For NFC the AC swing motor is always stopped 2 Controlling the louvers driven by AC Swing Motor by usin...

Страница 72: ...he step motor taking into account the gears transmission of the product ROM value 4 Travel at Auto Swing angles are 4 independent parameters set under this mode EEPROM values 5 The user angles are the...

Страница 73: ...then stop automatically x To ensure the louver will stay at the correct range of Auto swing angle a position reset in Auto swing is performed once for every 8 auto swing cycle xi Summary of different...

Страница 74: ...r is open to the maximum plus the ELUM angle 8 Manual Positioning Movement 10 steps 7o per action in the direction of last rotation The position of louver is limited by the User_Swg_Limit 9 Total move...

Страница 75: ...ing of this button Activated by the Manual positioning button in the R C Each time this button is pressed the louver would move 7o Then the louver would stop and stay at User position mode Operation w...

Страница 76: ...to the following table Forced operation mode Pre set Temp for NKN CN NFC Cooling 22qC Heating 26qC Note 1 While under the forced operation the temperature compensation schedule Cf Sect 4 0 1 is disabl...

Страница 77: ...ction Therefore the TIMER LED is activated similar to TIMER function 12 13 1 SPT adjustment in Sleep Mode 1 In cool auto cool or dry modes the SPT adjustment is positive from 0 to 3o c 2 In heat or au...

Страница 78: ...ve to the starting of Sleep the Sleep time is extended And instead of going to SB at the 7th hour the A C will work until reaching the Off time Case 3 is an exception to case 2 The Sleep Mode will not...

Страница 79: ...rvice Manual CN Fixed RPM series 12 44 12 14 Clogged Air filter Filter LED ON after 512 HR or as set in the EEPROM Addr 11H XXXN Filter LED is turned OFF and the Filter Timer is restarted by pressing...

Страница 80: ...d 2 Blinks during Water Over Flow in MBX P2000 models Cf Sect 7 3 COOLING INDICATOR 1 Lights up when system is switched to Cool Mode by using the Mode Switch on the unit 2 Show the thermistor status i...

Страница 81: ...TATE before clock is changed CLOCK STATE before clock is changed CLOCK ACTION clock is changed A C NEW STATE after clock is changed ON 1 0 OFF OFF 0 1 ON OFF by interrupt 1 1 0 OFF ON by interrupt 1 0...

Страница 82: ...same 5 seconds according to the following table No Problem 1 RT1 is disconnected 2 RT1 is shorted 3 Reserved 4 RT2 is disconnected 5 RT2 is shorted 6 Reserved 7 RT2 temp reading doesn t change 8 RT3 i...

Страница 83: ...ce controller 5 Indoor fan works when unit is OFF and indoor fan speed is not changed by remote control command PCB problem Replace controller 6 Compressor does not start Electronics control problem o...

Страница 84: ...ction is present Wrong phase order to compressor Check compressor phase order 13 Water leakage from indoor unit Indoor unit drainage tube is blocked Check and open drainage tube 14 Freezing of outdoor...

Страница 85: ...EXPLODED VIEWS AND SPARE PARTS LISTS Service Manual CN Fixed RPM series 14 1 14 EXPLODED VIEWS AND SPARE PARTS LISTS 14 1 EXPLODED VIEWS CN 9 12 18...

Страница 86: ...EXPLODED VIEWS AND SPARE PARTS LISTS Service Manual CN Fixed RPM series 14 2 17...

Страница 87: ...EXPLODED VIEWS AND SPARE PARTS LISTS Service Manual CN Fixed RPM series 14 3 14 2 EXPLODED VIEWS GCN 9 12...

Страница 88: ...EXPLODED VIEWS AND SPARE PARTS LISTS Service Manual CN Fixed RPM series 14 4 14 3 EXPLODED VIEWS ONG3 17...

Страница 89: ...Sensor BLACK 1 25 4519813 Thermistor room 1 26 470250006 EPS Air Housing Low Height 1 28 464750006 Controll Box1 Assy 1 29 436670R R C RC4 RCL 974 670 00 1 30 464750003 Cover Controll Box 1 1 31 46475...

Страница 90: ...oor Sensor BLACK 1 25 4519813 Thermistor room 1 26 453191800 EPS Air Housing high 1 28 464750006 Controll Box1 Assy 1 29 436670R R C RC4 RCL 974 670 00 1 30 464750003 Cover Controll Box 1 1 31 4647500...

Страница 91: ...63750214 Check Valve Assy 2 6x1 4x 800 800 GCN 9 R410A PA103 1 19 4510677 Nut With Flange M8 D 24 GB6187 86 3 20 391498 Wire assy 1 21 460170001R Compressor Assy PA103X1C 4FZDE1 Toshiba 1 22 469100003...

Страница 92: ...r Support Assy 1 18 463750215 Check Valve Assy 2 6x1 4x 600 500 GCN 12 R410A 5PS132 1 19 4510677 Nut With Flange M8 D 24 GB6187 86 3 20 391498 Wire assy 1 21 460150005R Compressor Assy 5PS132EAC22 Pan...

Страница 93: ...1 15 204107 Cable clip Nylon 1 16 236179 2 Poles terminal block 1 17 4516637 Out sensor Black 1 18 463600000 Capillary Assy 1 19 469270002 Insulation Rub Felt Compressor 1 20 463230014 2 Way Strainer...

Страница 94: ...APPENDIX A Service Manual CN Fixed RPM series 15 1 APPENDIX A INSTALLATION AND OPERATION MANUAL...

Страница 95: ...English Installation manual Indoor unit cassette type Part Number 468050324 01 AIR CONDITIONER CASSETTE...

Страница 96: ...10 REFRIGERANT TUBING 17 11 PANEL INSTALLING 19 13 23 FINAL TASKS 12 SPECIAL SETTINGS 22 1 Indoor unit cassette type...

Страница 97: ...RED TOOLS FOR INSTALLATION WORK 2 SAFETY PRECAUTIONS Installation should be in accordance with local and national electrical and building fire safety regulations or codes WARNING 2 Indoor unit cassett...

Страница 98: ...the power supply cord of the room air conditioner to the mains using one of the following method Power supply point shall be the place where there is ease for access for the power disconnection in ca...

Страница 99: ...orking pressure of R410A refrigerant is approx 1 6 times of refrigerant R22 Accompanied with the adoption of the new refrigerant the refrigeration machine oil has also been changed Therefore during in...

Страница 100: ...esponding to the charge hose s port size Exclusive for HFC refrigerant 4 ACCESSORIES Full scale paper template for installation Installation template Shape Name Qty Used for 1 Drain hose 1 Adaptor for...

Страница 101: ...products are stored in order to avoid damage to the aluminum and copper evaporators and the internal plastic parts 1 Do not install the cassette in a workshop or a kitchen Oil vapor attracted by the t...

Страница 102: ...y connected and the wall is strong enough to withstand vibrations 4 Unit location should not disturb neighbors with noise or exhaust air stream 5 Place the mounting pads under the unit legs 6 Refer to...

Страница 103: ...Fig 3 Note No additional charge is required Fig 4 Fig 4 Mounting pads x4 8 Indoor unit cassette type 7 9000Btu h 12000Btu h 18000Btu h 15...

Страница 104: ...2 Hard ceiling installation situation Create the ceiling opening required for installation below shows the relationship of the ceiling opening to unit and the panel Fig 5 Refrigerant piping Suspensio...

Страница 105: ...pension bolt position Fig 7 and table 1 show the dimensions relationship 585 680 531 Ceiling opening dimension Suspension bolt pitch 585 680 531 Suspension bolt pitch Ceiling opening dimension Fig 7 T...

Страница 106: ...ppropriate for a distance between the bottom of the bolt and the bottom of the unit of more than 15mm as shown in Fig 8 3 In order to prevent a possible looseness it is recommended to use 3 hexagonal...

Страница 107: ...WILL BUILD UP 6 Distributing air to an adjacent room requires the corresponding panel air outlets to be sealed by using the sealing material Accessory 7 A decoration grille must be fitted in the parti...

Страница 108: ...g 13 3 To hold the drain pipe space bracket every 1 to 1 5m Fig 13 Ceiling Bracket Drain hose accessory Clamp accessory 1 100 gradient or more Fig 13 1m 1 1 5m 13 Indoor unit cassette type Insert the...

Страница 109: ...on 14 Indoor unit cassette type After wiring and drain piping are completed check the drainage according to the following procedure If necessary prepare a bucket and cloth to catch and wipe up the wat...

Страница 110: ...wire color code can be selected by the installer Electrical connections Fig 15a Fig 15b Cable between indoor and outdoor units Fig 15 A OUTDOOR B INDOOR 15 Indoor unit cassette type Power input cable...

Страница 111: ...n remove the cover Clamp Cable locker For indoor unit power supply To outdoor unit 16 Indoor unit cassette type Connected only when the outdoor unit have the terminal L Sensor wire coming from indoor...

Страница 112: ...htening torques of unions and valve caps TUBE SIZE Liquid line 1 4 Suction line 3 8 Suction line 1 2 Suction line 5 8 TORQUE 15 20 N M 30 35 N M 50 54N M 75 78N M 17 Indoor unit cassette type 1 2 3 4...

Страница 113: ...p Turn on the power switch of the vacuum pump turn off the high side switch and make sure that the needle in the needle in the gauge moves from 0 MPa 0cm Hg to 0 1MPa 76cm Hg Let the pump run for fift...

Страница 114: ...ig 22 2 With the grille fully opened remove the grille along the direction shown in Fig 23 Fig 23 Temporary installation of the panel Install two bolts Accessory onto the main unit the corner of refri...

Страница 115: ...el Thus the panel can keep balance with the two bolts 2 Pay attention that the TUBE and DRAIN marks on the ceiling panel are in the correct positions on the unit 3 Tighten all bolts the previously two...

Страница 116: ...body 12pin connector from unit body Fig 25 Attaching the grille 1 To attach the grille refer to the section removing the grille and follow the steps in reverse order 2 The panel is designed so that t...

Страница 117: ...3 3m H 3 3m Air flow compensation setting Use the indoor motor connecting wire assy A Fig 26a Default setting Use the indoor motor connecting wire assy B Fig 26b Accessory Floor Orange White Red Blue...

Страница 118: ...iring and tubing to the wall with clamps where necessary 4 Operate the unit for no less than 5 minutes at heating or cooling mode 5 Explain filter removal cleaning and installation 6 Operate the air c...

Страница 119: ...PROTECTION 468100326...

Страница 120: ...heating mode the air conditioner s the upward and downward direction to spread the DB C WB C DB C WB C R410A R407C R22 DB C WB C DB C WB C...

Страница 121: ......

Страница 122: ...3...

Страница 123: ...nits is connected to power and ready to receive the remote control commands Lights up in green during operations Blinks when compressor is stopped as a result of a thermodynamic protection Dummy funct...

Страница 124: ......

Страница 125: ......

Страница 126: ...ront panel by rotating the 2 locks counterclockwise from horizontal to vertical position pull out the filters and clean them by washing in warm soapy water and dry thoroughly Align and fit the filters...

Страница 127: ......

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