Electra OU7-24 RC Service Manual Page 1

KN Cassette R410A SeriesREFRIGERANTR410A COOLING ONLYHEAT PUMPMAY - 2006Indoor Units Outdoor Units Indoor Units Outdoor UnitsKN 24 ST OU7-24 ST KN 30

2-4PRODUCT DATA SHEETRevision Y06-02 Service Manual - KN SeriesModel Indoor Unit KN-30Model Outdoor Unit OU830T Installation Method of Pipe Flared

13-7EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.7 Outdoor Unit: OU7-24 RC 1PHCONTENT

13-8EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.8 Indoor Unit: OU7-24 RC 1PHNo. SP No. Part No. Description Q

13-9EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.9 Outdoor Unit: OU7-24 ST 1PH*OptionalCONTENT

13-10EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.10 Outdoor Unit: OU7-24 ST 1PHNo. SP No. Part No. Description

13-11EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.11 Outdoor Unit: OU7-24 RC 3PHCONTENT

13-12EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.12 Outdoor Unit: OU7-24 RC 3PHNo. SP No. Part No. Description

13-13EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.13 Outdoor Unit: OU7-24 ST 3PH*OptionalCONTENT

13-14EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.14 Outdoor Unit: OU7-24 ST 3PHNo. SP No. Part No. Description

13-15EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.15 Outdoor Unit: OU8-30 RC 1PHCONTENT

13-16EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.16 Outdoor Unit: OU8-30 RC 1PHItem Code Item Description Quanti

2-5PRODUCT DATA SHEETRevision Y06-02Service Manual - KN Series2.5 KN 36 / OU10-36 R410A Model Indoor Unit KN 36 Model Outdoor Unit OU10-36 R410A In

13-17EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.17 Outdoor Unit: OU8-30 RC 1PH Soft StarterItem Code Item Descri

13-18EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.18 Outdoor Unit: OU8-30 ST 1PHCONTENT

13-19EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.19 Outdoor Unit: OU8-30 ST 1PHItem Code Item Description Quantit

13-20EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.20 Outdoor Unit: OU8-30 ST 1PH Soft StarterItem Code Item Descr

13-21EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.21 Outdoor Unit: OU8-30 RC 3PHCONTENT

13-22EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.22 Outdoor Unit: OU8-30 RC 3PHItem Code Item Description Quanti

13-23EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.23 Outdoor Unit: OU8-30 ST 3PHCONTENT

13-24EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.24 Outdoor Unit: OU8-30 ST 3PHItem Code Item Description Quanti

13-25EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.25 Outdoor Unit: OU10-36 RC 1PHCONTENT

13-26EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.26 Outdoor Unit: OU10-36 RC 1PHItem Code Item Description Quant

2-6PRODUCT DATA SHEETRevision Y06-02 Service Manual - KN Series2.6 KN 36 / OU10-36T R410AModel Indoor Unit KN 36 Model Outdoor Unit OU10-36T R410A

13-27EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.27 Outdoor Unit: OU10-36 ST 3PHCONTENT

13-28EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.28 Outdoor Unit: OU10-36 ST 3PHItem Code Item Description Quant

13-29EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.29 Outdoor Unit: OU10-36 RC 3PHCONTENT

13-30EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.30 Outdoor Unit: OU10-36 ST 3PHItem Code Item Description Quant

13-31EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.31 Outdoor Unit: OU10-36 ST 3PHCONTENT

13-32EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.32 Outdoor Unit: OU10-36 ST 3PHItem Code Item Description Quant

13-33EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.33 Outdoor Unit: OU10-47 RC 3PHCONTENT

13-34EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.34 Outdoor Unit: OU10-47 RC 3PHItem Code Item Description Quant

13-35EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.35 Outdoor Unit: OU10-47 ST 3PHCONTENT

13-36EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.36 Outdoor Unit: OU10-47 ST 3PHItem Code Item Description Quant

2-7PRODUCT DATA SHEETRevision Y06-02Service Manual - KN Series2.7 KN 45 / OU10-47 R410AModel Indoor Unit KN 45 Model Outdoor Unit OU10-47T R410A In

14-1OPTIONAL ACCESSORIESRevision Y06-02Service Manual - KN Series14. OPTIONAL ACCESSORIES14.1 RCW Wall Mounted Remote Cntrol 14.1.1 The RCW wall mou

14-2OPTIONAL ACCESSORIES Revision Y06-02 Service Manual - KN Series14.2 RCW2 Wall Mounted Remote Cntrol14.2.1 The RCW2 wall mounted remote co

14-3OPTIONAL ACCESSORIESRevision Y06-02Service Manual - KN Series14.3 RCW/RCW2 Wiring Connections as Shown on Kit CONTENT

14-4OPTIONAL ACCESSORIES Revision Y06-02 Service Manual - KN Series1All Season Kit Installation Instruction(for ST units only)Switch off power

14-5OPTIONAL ACCESSORIESRevision Y06-02Service Manual - KN Series2Fig.4● Connect capillary E to T-valve. Use Copper sealing gasket between the flare

14-6OPTIONAL ACCESSORIES Revision Y06-02 Service Manual - KN Series3Fig.7● Arrange the wires and capillary tube together with plastic ties, d

15-1APPENDIX ARevision Y06-02Service Manual - KN SeriesAPPENDIX AINSTALLATION AND OPERATION MANUAL► INSTALLATION MANUAL KN 24, 30, 36, 45► OPERATION

INSTALLATION ...1REQUIREMENT FOR ELECT

1INSTALLATIONCAUTIONDon’t attempt to install this unit yourself. The unit requires installation by qualified persons.POWER• Be sure to use the special

2REQUIREMENT FOR ELECTRIC SAFETY1. The wiring work must be done by qualified person.2. All the wiring must be performed according to safety rules.3. T

3-1RATING CONDITIONS Revision Y06-02Service Manual - KN Series3. RATING CONDITIONSStandard conditions in accordance wi

3Display PanelPARTS NAMES AND THEIR FUNCTIONSThe air conditioner consists of the indoor unit , the outdoor unit , the connecting pipe and the remoteco

4OPERATION ATTENTIONNOTICE• Please read this “Owner’s Manual” carefully operation.• This air conditioner is designed to provide comfortable circumstan

5ADJUST IT UP AND DOWNTEMPORARYBUTTONTEMPORARY OPERATIONSThis function is used to operate the unittemporarily in case you misplace the remotecontrolle

6HINTS FOR ECONOMICAL OPERATIONThe following should be noticed ensure an economical operation. (Refer to corresponding chapter fordetails)• Adjust the

72. Take out the air-in grill (together with the air filter shown in sketch B)Pull the air-in grill down at 45° and lift it up to take out the grill.3

8RESTART AFTER A LONG TIME1. Check before operation• Check that air outlets of the outdoor and indoor are not blocked.• Check that the ground wiring i

9 Setting change is impossibleSymptoms Causes Reason and DisposalThe fan speedcan not bechanged.• Check whether the MODEindicate

The TEMP. indicator doesnot come on .The TEMP. indicator Never Comes OnSymptoms Causes Reason• Check whether the MODEindicated on the display isFAN ON

CONTENTS1. PRECAUTIONS ...12. INSTALLATIO

1PRECAUTIONSAFETY CONSIDERATIONSInstallation and servicing of air conditioning equipment can be hazardous due to system pressure andelectric component

4-1OUTLINE DIMENSIONSRevision Y06-02Service Manual - KN Series4. OUTLINE DIMENSIONS4.1 Indoor Unit: KN 24, 30, 36, 45Necessary roomoutlet inle

2NOTERemark per EMC Directive 89/336/EECTo prevent flicker impressions during the start of the compressor (technical process), followinginstallation c

3ATTACHED FITTINGSPlease check whether the following fittings are of full scope. If there are some attached fittings free fromuse, please restore them

4INSTALLATION PLACECAUTIONLocation in the following places may cause malfunction of the machine. (If unavoidable,please consult your local dealer)a. T

5Necessary roomoutlet inlet outletChart 1groundDrain side Tubing side780 (Hook-location)840 (Body)880 (Ceili

6Chart 8BodyHookCeilingPanelChart 4H (Ceiling height)BodyCeilingChart 5Chart 6BodyBody M6X12Central holeInstallation paperboardChart 7GridswitchChart

7Outlet jointTubing jointHook-panelWater-receiverSwing MotorHook-boltcross-screwdriverChart 11bodyceilingpanel spongepanelpanel foam 1air outoutlet fo

X8Strong windChart 16(Wall or obstacle)air inletair inletair outletmaintain channelChart 17Fix withboltNecessary wideDeepfoundationChart 18OUTDOOR UNI

9Use frozen oilBend the pipe with thumbChart 19Min-radius 100mMake the endstraightChart 21Chart 20INSTALL THE CONNECTING PIPECAUTIONScheck whether the

Flaring the nuts• Put the connecting tubing at the properposition, wrench the nuts with hands, thenfasten it with a wrench. (Refer to Chart 24)CAUTION

11Expel the air with a vacuum pump(Refer to Chart 27)(please refer to its manual for the way of using manifold value)1. Loosen and remove the maintena

4-2OUTLINE DIMENSIONS Revision Y06-02 Service Manual - KN Series4.2 Outdoor Unit: OU7-244.3 Outdoor Unit: OU8-30CONTENT

12OutdoorunitGas-sideIndoor unitTrapLiquid sidePipe jointChart 25Chart 26Manifold valueMulti-meter Pressure meter-76CmHgLo-leverHi-leverCharge hoseCha

13Lean over1/50Constrict hereDrainpipeChart 30Linking pipeLean over1 / 50Pump-pipe clasp(the fittings)Chart 31Note: 24/27/30 Series C=200mm36/45

14Chart 33Pump jointTest mouthBodyWater-receiverTest coverSlow tubeDrain plugChart 32Seal Drain elbowThe base pan holeof the outdoor unitThe base pan

WIRING CAUTION1. The air conditioner should use separate power supply with rated voltage.2. The external power supply to the air conditioner sh

MODEL INTERCONNECTING CIRCUIT BREAKER CABLE WIRELESS (mm2) WITHOUT HEATING ELEMENTKN 30 6x2.5 20AKN 36 6x2.5 25A16OUTDOORINDOOR3. ELECTRICAL CONNECTIO

17OUTDOORINDOORHEATERMODEL INTERCONNECTING CIRCUIT BREAKER CABLE WIRELESS (mm2) WITHOUT HEATING ELEMENTKN 30 6x2,5 3x16AKN 36 6x2,5 3x16AKN 46 6x2,5 3

185-CORE CableRW-300/500 5X1.5mm2INDOOROUTDOOR3-CORE Cable3X1.5mm23-CORE CableYZW-300/500 3X1.5mm2Note: The cooling only type without the link listed

19Cable 3X2.5mm2POWER: 220-230V~50HzChart 38INDOORROODTUONote: The cooling only type without the link listed by broken lineKN-24/27 AIR CONDITIONER LI

20TEST OPERATION1. The test operation must be carried out after the entire installation has been completed.2. Please confirm the following points befor

4-3OUTLINE DIMENSIONSRevision Y06-02Service Manual - KN Series4.4 Outdoor Unit: OU10-36, OU10-47CONTENT

5-1PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02Service Manual - KN Series5. PERFORMANCE DATA5.1 KN24 / OU7-24 R410A 1PH/3PH5.1.1 Cooling M

5-2PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02 Service Manual - KN Series5.1.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan a

ALIST OF EFFECTIVE PAGESRevision Y06-02 Service Manual − KN SeriesLIST OF EFFECTIVE PAGESNote: Changes in the pages are indicated by a “Revision#” in

5-3PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02Service Manual - KN Series5.3 Pressure Curves.5.3.1 Cooling.Suction Pressure VS.Outdoor Temp6

5-4PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02 Service Manual - KN Series5.3.2 Heating. Suction Pressure VS.Outdoor Temp34567891011-10 -5 0

5-5PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02Service Manual - KN Series5.4 KN30 / OU8-30 R410A 5.4.1 Cooling Mode at 7.5m Tubing Connect

5-6PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02 Service Manual - KN Series5.4.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan a

5-7PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02Service Manual - KN Series5.6 KN30 / OU8-30T R410A 5.6.1 Cooling Mode at 7.5m Tubing Connec

5-8PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02 Service Manual - KN Series5.6.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan a

5-9PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02Service Manual - KN Series5.8 Pressure Curves.5.8.1 KN30 / OU8-30 R410A - Cooling:Suction Pr

5-10PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02 Service Manual - KN Series5.8.2 Heating. Suction Pressure VS.Outdoor Temp3.04.05.06.07.08.09

5-11PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02Service Manual - KN Series5.9 Pressure Curves.5.9.1 KN30 / OU8-30T R410A - Cooling:Suction

5-12PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02 Service Manual - KN Series5.8.2 Heating. Suction Pressure VS.Outdoor Temp3.04.05.06.07.08.09

iTABLE OF CONTENTSRevision Y06-02Service Manual - KN SeriesTable of Contents1. INTRODUCTION ...

5-13PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02Service Manual - KN Series5.9 KN36 / OU10-36 R410A 5.9.1 Cooling Mode at 7.5m Tubing Conne

5-14PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02 Service Manual - KN Series5.9.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan

5-15PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02Service Manual - KN Series5.11 Pressure Curves.5.11.1 Cooling:Discharge Pressure VS.Outdoor

5-16PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02 Service Manual - KN Series5.11.2 HeatingDischarge Pressure VS.Outdoor Temp161820222426283032

5-17PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02Service Manual - KN Series5.12 KN36 / OU10-36T R410A 5.12.1 Cooling Mode at 7.5m Tubing Co

5-18PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02 Service Manual - KN Series5.12.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan

5-19PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02Service Manual - KN Series5.14 Pressure Curves.5.14.1 Cooling:Discharge Pressure VS.Outdoor

5-20PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02 Service Manual - KN Series5.14.2 Heating:Discharge Pressure VS.Outdoor Temp16182022242628303

5-21PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02Service Manual - KN Series5.15 KN45 / OU10-47T R410A 5.15.1 Cooling Mode at 7.5m Tubing Co

5-22PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02 Service Manual - KN Series5.15.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan

1-1INTRODUCTIONRevision Y06-02Service Manual - KN Series1. INTRODUCTION1.1 GeneralThe cassette (900X900) split ceiling mounted range comprise the ST

5-23PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02Service Manual - KN Series5.17 Pressure Curves. Cooling:Discharge Pressure VS.Outdoor Temp10

5-24PERFORMANCE DATA & PRESSURE CURVESRevision Y06-02 Service Manual - KN Series5.17.2 HeatingDischarge Pressure VS.Outdoor Temp161820222426283032

6-1ELECTRICAL DATARevision Y06-02Service Manual - KN Series6. ELECTRICAL DATA6.1 Single Phase UnitsMODEL KN 24 KN 30Power SupplyTo Outdoor To Outdoor

6-2ELECTRICAL DATARevision Y06-02 Service Manual - KN SeriesMODEL KN 36T KN 45TPower SupplyTo Outdoor To Outdoor3PH – 400V – 50 Hz 3PH – 400V – 50 HzM

7-1WIRING DIAGRAMSRevision Y06-02Service Manual - KN Series7. WIRING DIAGRAMS7.1 Indoor Unit: KN 24/30 (Power Supply to Outdoor)7.2 Indoor Unit: KN

7-2WIRING DIAGRAMS Revision Y06-02 Service Manual - KN Series7.3 Outdoor Unit: OU7-24 / 30 1PH7.4 Outdoor Unit: OU7-24 / 30 3PHCONTENT

7-3WIRING DIAGRAMSRevision Y06-02Service Manual - KN Series7.5 Indoor Unit: KN 36 / 36T / 45T7.6 Outdoor Unit: OU10-36CONTENT

7-4WIRING DIAGRAMS Revision Y06-02 Service Manual - KN Series7.7 Outdoor Unit: OU10-36T7.8 Outdoor Unit: OU10-47TCONTENT

8-1ELECTRICAL CONNECTIONSRevision Y06-02Service Manual - KN Series8. ELECTRICAL CONNECTIONS8.1 KN 24/30/36/45 (Power Supply to Outdoor)8.2 KN 24/30/3

9-1REFRIGERATION DIAGRAMSRevision Y06-02Service Manual - KN Series9. REFRIGERATION DIAGRAMS9.1 Heat Pump Models9.1.1 KN 24 R410ACONTENT

1-2INTRODUCTIONRevision Y06-02 Service Manual - KN Series1.6 Outdoor UnitThe Cassette outdoor units can be installed as floor or wall mounted units by

9-2REFRIGERATION DIAGRAMS Revision Y06-02 Service Manual - KN Series9.1.2 KN 30 R410ACONTENT

9-3REFRIGERATION DIAGRAMSRevision Y06-02Service Manual - KN Series9.1.3 KN 36 R410ACONTENT

9-4REFRIGERATION DIAGRAMS Revision Y06-02 Service Manual - KN Series9.1.4 KN 36T R410ACONTENT

9-5REFRIGERATION DIAGRAMSRevision Y06-02Service Manual - KN Series9.1.5 KN 45T R410ACONTENT

9-6REFRIGERATION DIAGRAMS Revision Y06-02 Service Manual - KN Series9.2 Cooling Only Models9.2.1 KN 24 / 30 / 36 / 45 R410ACONTENT

10-1TUBING CONNECTIONSRevision Y06-02Service Manual - KN Series10. TUBING CONNECTIONS TUBE (Inch)TORQUE (Nm)¼” ⅜” ½” ⅝” ¾”Flare Nuts 11-13 40-45

11-1CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11. CONTROL SYSTEM11.1 Electronic Control 11.1.1 Introduction The electronic control inform

11-2CONTROL SYSTEM Revision Y06-02 Service Manual - KN Series11.1.3 Main PCB Controller CONTENT

11-3CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.1.4 Display Board PCB11. IR Receiver2. Buzzer3. STBY LED4. Oper

11-4CONTROL SYSTEM Revision Y06-02 Service Manual - KN Series11.2 Control Function 11.2.1 Abbreviations AC - Alternate Current A/C - Air-Condit

1-3INTRODUCTIONRevision Y06-02Service Manual - KN Series1.10 Matching Table1.10.1 R410AOUTDOOR UNITSINDOOR UNITSMODEL REF’ KN24 KN30 KN36 KN45 DNG24 D

11-5CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.3 General Functions 11.3.1 COMP Operation a. For each Mode including POWER OFF & S

11-6CONTROL SYSTEM Revision Y06-02 Service Manual - KN Series11.3.5 Protections a. High pressure protection is applicable to all operating mod

11-7CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.3.7 RV Fault This test is applied only in compressor units where 4.7k: resistor is not

11-8CONTROL SYSTEM Revision Y06-02 Service Manual - KN Series11.4 Cooling Mode 11.4.1 Cooling Mode – General a. Mode Definition Mode: COOL, AU

11-9CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.4.3 Sequence Diagrams a. Maintaining room temp at desired level by comparing RT and SPT

11-10CONTROL SYSTEM Revision Y06-02 Service Manual - KN Seriesb. Maintaining room temp at desired level by comparing RT and SPT with AUTO-IFAN

11-11CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.5 Heating Mode 11.5.1 Heating Mode - General a. Compensation Procedure When I-FEEL is O

11-12CONTROL SYSTEM Revision Y06-02 Service Manual - KN Seriesc. IFAN operation rules for RH group 1) In RH group, IFAN starts when HE starts.

11-13CONTROL SYSTEMRevision Y06-02Service Manual - KN Seriese. Heaters operation rules for RH groups: 1) In RH group, HE operation is according to th

11-14CONTROL SYSTEM Revision Y06-02 Service Manual - KN Series11.6 Heating, RC or SH Group Mode: HEAT, AUTO (at heating) Temp: Selected desire

2-1PRODUCT DATA SHEETRevision Y06-02Service Manual - KN Series2. PRODUCT DATA SHEET2.1 KN 24 / OU7-24 R410A(1) Rating conditions in accordance with

11-15CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.7 Heating, RC or SH Group with Autofan Mode: HEAT, AUTO (at heating) Temp: Selected de

11-16CONTROL SYSTEM Revision Y06-02 Service Manual - KN Series11.8 Heating, RH Group Mode: HEAT, AUTO (at Heating) Temp: Selected desired temp

11-17CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.9 Heating, RH Group, with AUTOFAN Mode: HEAT, AUTO (at Heating) Temp: Selected desired

11-18CONTROL SYSTEM Revision Y06-02 Service Manual - KN Series11.10 Automatic Cooling or Heating 11.10.1 Automatic Cooling or Heating - General

11-19CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.10.2 Sequence Diagrams a. Auto Cooling or Heating, RC or SH Groups Maintains room temp

11-20CONTROL SYSTEM Revision Y06-02 Service Manual - KN Seriesb. Auto Cooling or Heating RH Group Maintains room temp. at desired level by sel

11-21CONTROL SYSTEMRevision Y06-02Service Manual - KN SeriesDRY(RT - SPT) [oc]+2+10-1-2ONOFFONOFFLOWOFFDRY-ONDRY-OFFONOFFTime [min]10203040 50Max 15 m

11-22CONTROL SYSTEM Revision Y06-02 Service Manual - KN Series11.11.2 DRY, SH or RH group Mode: DRY Temp: Selected desired temperature Fan: L

11-23CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.12 Protection 11.12.1 Cooling Mode Protections a. Indoor Coil Defrost Mode: COOLING, D

11-24CONTROL SYSTEM Revision Y06-02 Service Manual - KN Seriesb. High Pressure Protection Mode: (AUTO) COOLING or DRY Temp: Selected desired

2-2PRODUCT DATA SHEETRevision Y06-02 Service Manual - KN Series(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and

11-25CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.12.2 Condensation Pump. Mode: Cool, Dry, Auto Temp: Selected desired tem perature Fan

11-26CONTROL SYSTEM Revision Y06-02 Service Manual - KN Series11.12.3 Heating Mode Protections a. Outdoor Coil Deicing (excluding RH Group) M

11-27CONTROL SYSTEMRevision Y06-02Service Manual - KN Series2) Deicing procedure OCT [oc]ONOFFONOFFONLANYCOMPOFANRVIFANDST(DDT)012OFFHEs are forced ON

11-28CONTROL SYSTEM Revision Y06-02 Service Manual - KN Seriesb. High Pressure Protection (excluding RH Group) Mode: (AUTO) HEATING Fan: Any

11-29CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.13 Forced Operation (Excluding PRX & PXD Models) a. Forced operation allows units

11-30CONTROL SYSTEM Revision Y06-02 Service Manual - KN Series11.14 SPT Adjustment in Sleep Mode x In COOL, AUTO COOL or DRY modes, the SPT adj

11-31CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.14.1 Time Adjustment in SLEEP Mode In 10V4, the user can make use of the Off-Timer to e

11-32CONTROL SYSTEM Revision Y06-02 Service Manual - KN Series11.15 Controller Self-Test Procedure 11.15.1 By Shorting Test Jumper J1 RC/ST

11-33CONTROL SYSTEMRevision Y06-02Service Manual - KN Series11.15.2 By Remote Control Settings: a. STEP 1: TURNING ON THE POWER. Turn ON the power,

11-34CONTROL SYSTEM Revision Y06-02 Service Manual - KN Seriesd. STEP 3: AUTO LED WALK TEST. 1) All the LEDS will turn OFF. 2) All the LEDS w

2-3PRODUCT DATA SHEETRevision Y06-02Service Manual - KN SeriesModel Indoor Unit KN-30Model Outdoor Unit OU830Installation Method of Pipe Flared Cha

11-35CONTROL SYSTEMRevision Y06-02Service Manual - KN SeriesFail condition: 0 sec - STAND-BY is turned ON 3 sec - STAND-BY, OPER, TIMER and FILTER are

11-36CONTROL SYSTEM Revision Y06-02 Service Manual - KN Series11.16 System Diagnostics Pressing Mode button for 5-10 seconds in SB or any other

12-1TROUBLESHOOTINGRevision Y06-02Service Manual - KN Series12. TROUBLESHOOTING ELECTRICAL & CONTROL TROUBLESHOOTING ATTENTION : check for broken

12-2TROUBLESHOOTING Revision Y06-02 Service Manual - KN Series ATTENTION : check for broken or loose cable lugs first NO SYMPTON PROBABLE CAUSE

13-1EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13. EXPLODED VIEWS AND SPARE PARTS LISTS13.1 Indoor Unit: KN 24 / 3

13-2EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.2 Indoor Unit: KN 24No Part No Item Desc Qty1 455000103 Double p

13-3EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.3 Indoor Unit: KN 30No Part No Item Desc Qty1 455000103 Double pa

13-4EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.4 Indoor Unit: KN 36 / 45 1 2 3 4 5 6 7 810 9111213141516CONTEN

13-5EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02Service Manual - KN Series13.5 Indoor Unit: KN 36No. Item Description Qty4 2114200004 1 E-Pa

13-6EXPLODED VIEWS AND SPARE PARTS LISTSRevision Y06-02 Service Manual - KN Series13.6 Indoor Unit: KN 45No. Item Description Qty4 2114200004 1 E-Par