RKS-B Pair Application · RKS+FCQ35B RKS+FCQ50B RKS+FCQ60B * This information was not available at the time of publication. RKS+FHQ35B Indoor unit Outdoor unit Power supply Compressor

RKS-B

Pair Application

technical data

SplitSky Air

air conditioning systems

Split - Sky Air

EED

E03-

1/2

• 04

/200

3Pr

epar

ed in

Bel

gium

by

Goe

kint

Gra

phic

s

Zandvoordestraat 300

B - 8400 Ostend Belgium

Internet: http://www.daikineurope.com

Specifications are subject to change without prior notice.

ISO14001 assures an effective environmental management system in order to help protecthuman health and the environment from the potentialimpact of our activities, products and services and toassist in maintaining and improving the quality ofthe environment

Daikin Europe N.V. is approved by LRQA for its Quality Management System in accordance with the ISO9001 standard. ISO9001 pertains to quality assurance regarding design, development, manufacturing as well as to services related to the product.

Daikin units comply with the European regulations that guarantee the safety of the product.

Daikin Europe N.V. is participating in the EUROVENT Certification Programme.Products are as listed in the EUROVENT Directory of Certified Products.

TABLE OF CONTENTSRKS-B

1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Technical specifications

Electrical specifications

Electrical data

3 Capacity tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4 Dimensional drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5 Operation range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6 Piping diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7 Wiring diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

8 Sound level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Sound level data

Sound pressure spectrum

9 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Standard accessories

Optional accessories

10 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

• Pair Application • R-410A • RKS25-35-50-60-71BVMB

1• Split - Sky Air • Outdoor Units

1 Features

Outdoor units for pair application

+ Daikin outdoor units can be mounted easily on a roof or terrace or simply placed against an outside wall.They are fitted with a swing compressor, renowned for its low noise and high energy efficiency.


1

2 • Split - Sky Air • Outdoor Units

2 Specifications

TECHNICAL SPECIFICATIONSOUTDOOR UNITS RKS25BVMB RKS35BVMB RKS50BVMB RKS60BVMB RKS71BVMBDIMENSIONS Unit H mm 560 735

W mm 695 825D mm 265 300

WEIGHT kg 37 49 53 55COLOUR Unit Ivory whiteSOUND LEVEL Sound pressure (1) (Cooling) High/Low dBA 46/43 47/44 47/* 49/* 52/*

Sound power (2) (Cooling) High dBA 59 60 63 64 66FAN Air flow rate (Cooling) High/Low m3/min 25.3/17.0 25.3/17.0 47.7/44.1 47.6/44.1 51.5/41.5

Speed (Cooling) high rpm 670 670 700 730 790low rpm 450 450 650 680 650

Model Propeller fanMotor output W 19 53

HEAT EXCHANGER Type Waffle fin,J 8 Hi-XA tubeRows x stages x fin pitch mm 2 x 24 x 1.5 1 x 32 x 1.6 2 x 32 x 1.8

REFRIGERANT CIRCUIT Refrigerant type R-410ARefrigerant charge kg 0.96 1.06 1.20 1.70 1.70Maximum allowable distance between indoorand outdoor

m 25 30

Maximum allowable level difference m 15 20Refrigerant control Motor operated expansion valve -

COMPRESSOR Type Hermetically sealed swing typeModel 1YC23GXD#A 2YC32HXD 2YC45BXDMotor output 600 600 1,500 1,500 1,900Oil type FVC50KOil charge volume ! 0.40 0.40 0.65 0.65 0.75

PIPING CONNECTIONS liquid mm φ6.4gas mm φ9.5 φ12.7 φ15.9drain mm φ18.0

INSULATION MATERIAL Heat insulation Both liquid and gas pipes

* This information was not available at the time of publication.


2


ELECTRICAL SPECIFICATIONSOUTDOOR UNITS RKS25BVMB RKS35BVMB RKS50BVMB RKS60BVMB RKS71BVMBCURRENT Nominal running current cooling A 3.52 5.22 6.82 9.12 10.90

Max. running current cooling A Please refer to electrical dataStarting current cooling A 3.7 5.4 7.3 9.3 11.1

OUTDOOR UNITS RKS25BVMB RKS35BVMB RKS50BVMB RKS60BVMB RKS71BVMBPOWER SUPPLY VM VM VM VM VMNOMINAL DISTRIBUTIONSYSTEM VOLTAGE

Phase 1∼ 1∼ 1∼ 1∼ 1∼Frequency Hz 50 50 50 50 50Voltage V 230 230 230 230 230

NOTES1 The sound pressure level is measured in an anechoic room at 1m distance from the unit. It is a relative value, depending on the distance and

acoustic environment. For measuring conditions: please refer to item 8 of this chapter.

2 The sound power level is an absolute value indicating the ’’power’’ which a sound source generates.


2 Specifications

2


ELECTRICAL DATA

RKS+FTKS25B

Indoor unit Outdoor unit Power supply Compressor OFM IFMHz-Volts Voltage range MCA MFA RHz RLA W FLA W FLA

FTKS25BVMB RKS25BVMB 50-230 MAX. 50Hz 253VMIN. 50Hz 207V 15 15 48 3.21 19 0.35 18 0.20

3D040397

RKS+FTKS35B



3D040398

RKS+FTKS50B



3D040876

RKS+FTKS60BRKS+FTKS71B



FTKS71BVMB RKS71BVMB 50-230 MAX. 50Hz 253VMIN. 50Hz 207V 16.8 20 80 10.58 53 0.26 43 0.18

3D040877

RKS+FVKS25B


FVKS25BVMB RKS25BVMB 50-230 MAX. 50Hz 253VMIN. 50Hz 207V 15 15 49 3.25 19 0.35 28 0.16

3D040399

RKS+FVKS35B


FVKS35BVMB RKS35BVMB 50-230 MAX. 50Hz 253VMIN. 50Hz 207V 15 15 82 5.05 19 0.35 28 0.16

3D040400

SYMBOLSMCA : Min. Circuit Amps (A)MFA : Max. Fuse Amps (A)RHz : Rated operating frequency (Hz)RLA : Rated Load Amps (A)OFM : Outdoor Fan MotorIFM : Indoor Fan MotorFLA : Full Load AmpsW : Rated motor output (W)

NOTES1. RLA is based on the following conditions:

Indoor temp.: 27°CDB/19.0°CWBOutdoor temp. : 35°CDB

2. Maximum allowable voltage unbalance between phases is 2%3. Select wire size based on the larger value of MCA.4. Instead of fuse, use circuit breaker.


2 Specifications

2


ELECTRICAL DATA

RKS+FVKS50B


FVKS50BVMB RKS50BVMB 50-230 MAX. 50Hz 253VMIN. 50Hz 207V 18 20 76 7.04 53 0.18 14+14 0.31

3D040876

RKS+FLKS25B


FLKS25BVMB RKS25BVMB 50-230 MAX. 50Hz 253VMIN. 50Hz 207V 15 15 48 3.17 19 0.35 34 0.34

3D040395

RKS+FLKS35B



3D040396

RKS+FLKS50B



3D040876

RKS+FFQ25BRKS+FFQ35B


FFQ25BV1B RKS25BVMB 50-230 MAX. 50Hz 253VMIN. 50Hz 207V 15 15 54 3.55 19 0.35 55 0.6


3D040596

RKS+FFQ50BRKS+FFQ60B




3D041020






2 Specifications

2


ELECTRICAL DATA

RKS+FCQ35BRKS+FCQ50BRKS+FCQ60B


RKS+FHQ35B


FHQ35BUV1B RKS35BVMB 50-230 MAX. 50Hz 253VMIN. 50Hz 207V 15 15 78 4.91 19 0.35 62 0.6

3D040596

RKS+FHQ50BRKS+FHQ60B




3D040597

RKS+FBQ35BRKS+FBQ50BRKS+FBQ60B







2 Specifications

2


3 Capacity tables

RKS+FTKS25B

Cooling capacity 230V [50Hz]

AFR 7.4BF 0.23

Indoor Outdoor temperature (°C)EWB EDB 20 25 30 32 35 40(°C) (°C) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI14.0 20 2.33 1.58 0.52 2.25 1.52 0.58 2.17 1.47 0.65 2.14 1.45 0.66 2.08 1.41 0.67 2.00 1.35 0.7216.0 22 2.51 1.70 0.53 2.43 1.65 0.59 2.35 1.59 0.66 2.31 1.56 0.67 2.25 1.52 0.68 2.16 1.46 0.7418.0 25 2.70 1.83 0.54 2.61 1.77 0.61 2.52 1.71 0.67 2.48 1.68 0.68 2.42 1.64 0.69 2.32 1.57 0.7519.0 27 2.80 1.89 0.55 2.70 1.83 0.61 2.61 1.77 0.67 2.57 1.74 0.68 2.50 1.69 0.70 2.40 1.62 0.7622.0 30 3.09 2.09 0.56 2.99 2.02 0.63 2.88 1.95 0.69 2.84 1.92 0.70 2.76 1.87 0.72 2.65 1.79 0.7824.0 32 3.28 2.22 0.57 3.18 2.15 0.64 3.07 2.08 0.71 3.02 2.04 0.72 2.94 1.99 0.73 2.81 1.91 0.79

3D040386

RKS+FTKS35B


AFR 7.4BF 0.16


3D040387

RKS+FTKS50B


AFR 11.4BF 0.22


3D040892

RKS+FTKS60B


AFR 16.2BF 0.29


3D040895

SYMBOLSAFR: Air flow rate (m3/min)BF: Bypass factorEWB: Entering wet bulb temp. (°CWB)EDB: Entering dry bulb temp. (°CDB)TC: Total capacity (kW)SHC: Sensible heating capacity (kW)PI: Power input (kW)

NOTES1. Ratings shown are net capacities which include a deduction for indoor fan

motor heat2. Shows nominal cooling capacities and power input3. TC, PI and SHC must be calculated by interpolation using the figures in the

above tables. (Figures out of the tables should not be used for calculation.)4. SHC is based on each EWB and EDB

SHC* = SHC correction for other dry bulbSHC* = 0.02 x AFR (m3/min) x (1-BF) x (DB-EDB)Add SHC* to SHC.

5. Capacities are based on the following conditions:Corresponding refrigerant piping length: 7.5 mLevel difference: 0 m

6. Air flow rate (AFR) and Bypass factor (BF) are taburated above.


3


RKS+FTKS71B


AFR 16.7BF 0.27


3D040896

RKS+FVKS25B


AFR 8.1BF 0.29


3D040390

RKS+FVKS35B


AFR 8.3BF 0.13


3D040391

RKS+FVKS50B


AFR 10.8BF 0.23


3D040894









3 Capacity tables

3


RKS+FLKS25B


AFR 7.6BF 0.32


3D040382

RKS+FLKS35B


AFR 8.6BF 0.35


3D040383

RKS+FLKS50B


AFR 11.4BF 0.18


3D040893

RKS+FFQ25B


AFR 9.0BF 0.24


3D040764









3 Capacity tables

3


RKS+FFQ35B


AFR 10.0BF 0.25


3D040766

RKS+FFQ50B


AFR 12.0BF 0.16


3D041022

RKS+FFQ60B


AFR 15.0BF 0.11


3D041027









3 Capacity tables

3


RKS+FCQ35-60B


OutdoorIndoor Outdoor temperature (°C)

EWB EDB 20 25 30 32 35 40(°C) (°C) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI

35

14.0 20.0 3.2 2.7 0.91 3.1 2.6 1.01 3.0 2.5 1.12 2.9 2.4 1.13 2.8 2.4 1.16 2.7 2.3 1.2516.0 22.0 3.4 2.9 0.92 3.3 2.8 1.03 3.2 2.7 1.14 3.1 2.6 1.15 3.1 2.6 1.18 2.9 2.5 1.2818.0 25.0 3.7 3.1 0.94 3.6 3.0 1.05 3.4 2.9 1.16 3.4 2.8 1.17 3.3 2.8 1.20 3.2 2.6 1.3019.0 27.0 3.8 3.2 0.95 3.7 3.1 1.06 3.6 3.0 1.17 3.5 2.9 1.18 3.4 2.9 1.21 3.3 2.7 1.3122.0 30.0 4.2 3.5 0.97 4.1 3.4 1.09 3.9 3.3 1.20 3.9 3.2 1.22 3.8 3.2 1.25 3.6 3.0 1.3524.0 32.0 4.5 3.8 0.99 4.3 3.6 1.11 4.2 3.5 1.22 4.1 3.4 1.24 4.0 3.4 1.27 3.8 3.2 1.37

50

14.0 20.0 5.1 3.7 1.57 4.9 3.6 1.67 4.8 3.5 1.76 4.7 3.5 1.80 4.6 3.5 1.86 4.5 3.4 1.9516.0 22.0 5.2 3.7 1.60 5.1 3.6 1.69 4.9 3.6 1.79 4.9 3.5 1.83 4.8 3.5 1.88 4.6 3.4 1.9818.0 25.0 5.4 3.7 1.62 5.2 3.7 1.72 5.1 3.6 1.81 5.0 3.6 1.85 4.9 3.5 1.91 4.8 3.5 2.0019.0 27.0 5.5 3.8 1.64 5.3 3.7 1.73 5.2 3.6 1.83 5.1 3.6 1.87 5.0 3.6 1.92 4.9 3.5 2.0222.0 30.0 5.7 3.8 1.68 5.5 3.7 1.77 5.4 3.7 1.87 5.3 3.6 1.90 5.2 3.6 1.96 5.1 3.5 2.0624.0 32.0 5.8 3.8 1.70 5.7 3.8 1.80 5.5 3.7 1.89 5.5 3.7 1.93 5.4 3.6 1.99 5.2 3.6 2.08

60

14.0 20.0 5.8 4.5 1.84 5.6 4.4 1.94 5.5 4.3 2.03 5.4 4.3 2.07 5.3 4.3 2.13 5.2 4.2 2.2216.0 22.0 5.9 4.5 1.87 5.8 4.4 1.96 5.6 4.4 2.06 5.6 4.4 2.10 5.5 4.3 2.15 5.3 4.2 2.2518.0 25.0 6.1 4.6 1.89 5.9 4.5 1.99 5.8 4.4 2.08 5.7 4.4 2.12 5.6 4.3 2.18 5.5 4.3 2.2719.0 27.0 6.2 4.6 1.91 6.0 4.5 2.00 5.9 4.4 2.10 5.8 4.4 2.13 5.7 4.4 2.19 5.6 4.3 2.2922.0 30.0 6.4 4.6 1.95 6.2 4.6 2.04 6.1 4.5 2.14 6.0 4.5 2.17 5.9 4.4 2.23 5.8 4.3 2.3324.0 32.0 6.5 4.7 1.97 6.4 4.6 2.07 6.2 4.5 2.16 6.2 4.5 2.20 6.1 4.4 2.26 5.9 4.4 2.35

3TW25082-1


(comp.+indoor+outdoor fan motor)




SHC* = SHC correction for other dry bulbSHC* = 0.29 x 60 x AFR (m3/min) x (1-BF) x (DB-EDB)/860Add SHC* to SHC.


6. Air flow rate and BF are tabulated below.

Model FCQ

35 AFR 14BF 0.16

50 AFR 15BF 0.16

60 AFR 18BF 0.10


3 Capacity tables

3


RKS+FHQ35B


AFR 13BF 0.20


3D040599

RKS+FHQ50B


AFR 13BF 0.1


3D040601

RKS+FHQ60B


AFR 17BF 0.2


3D040604









3 Capacity tables

3


RKS+FBQ35-60B


OutdoorIndoor Outdoor temperature (°C)

EWB EDB 20 25 30 32 35 40(°C) (°C) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI

35

14.0 20.0 3.2 2.4 0.91 3.1 2.3 1.01 3.0 2.2 1.12 2.9 2.2 1.13 2.8 2.1 1.16 2.7 2.0 1.2516.0 22.0 3.4 2.6 0.92 3.3 2.5 1.03 3.2 2.4 1.14 3.1 2.4 1.15 3.1 2.3 1.18 2.9 2.2 1.2818.0 25.0 3.7 2.8 0.94 3.6 2.7 1.05 3.4 2.6 1.16 3.4 2.5 1.17 3.3 2.5 1.20 3.2 2.4 1.3019.0 27.0 3.8 2.9 0.95 3.7 2.8 1.06 3.6 2.7 1.17 3.5 2.6 1.18 3.4 2.6 1.21 3.3 2.4 1.3122.0 30.0 4.2 3.2 0.97 4.1 3.0 1.09 3.9 2.9 1.20 3.9 2.9 1.22 3.8 2.8 1.25 3.6 2.7 1.3524.0 32.0 4.5 3.3 0.99 4.3 3.2 1.11 4.2 3.1 1.22 4.1 3.1 1.24 4.0 3.0 1.27 3.8 2.9 1.37

50

14.0 20.0 5.1 3.6 1.57 4.9 3.5 1.67 4.8 3.4 1.76 4.7 3.4 1.80 4.6 3.4 1.86 4.5 3.3 1.9516.0 22.0 5.2 3.6 1.60 5.1 3.5 1.69 4.9 3.5 1.79 4.9 3.4 1.83 4.8 3.4 1.88 4.6 3.3 1.9818.0 25.0 5.4 3.6 1.62 5.2 3.6 1.72 5.1 3.5 1.81 5.0 3.5 1.85 4.9 3.4 1.91 4.8 3.4 2.0019.0 27.0 5.5 3.7 1.64 5.3 3.6 1.73 5.2 3.5 1.83 5.1 3.5 1.87 5.0 3.5 1.92 4.9 3.4 2.0222.0 30.0 5.7 3.7 1.68 5.5 3.6 1.77 5.4 3.6 1.87 5.3 3.5 1.90 5.2 3.5 1.96 5.1 3.4 2.0624.0 32.0 5.8 3.7 1.70 5.7 3.7 1.80 5.5 3.6 1.89 5.5 3.6 1.93 5.4 3.5 1.99 5.2 3.5 2.08

60

14.0 20.0 5.8 4.6 1.84 5.6 4.6 1.94 5.5 4.5 2.03 5.4 4.5 2.07 5.3 4.4 2.13 5.2 4.3 2.2216.0 22.0 5.9 4.7 1.87 5.8 4.6 1.96 5.6 4.5 2.06 5.6 4.5 2.10 5.5 4.5 2.15 5.3 4.4 2.2518.0 25.0 6.1 4.7 1.89 5.9 4.6 1.99 5.8 4.6 2.08 5.7 4.5 2.12 5.6 4.5 2.18 5.5 4.4 2.2719.0 27.0 6.2 4.7 1.91 6.0 4.6 2.00 5.9 4.6 2.10 5.8 4.5 2.13 5.7 4.5 2.19 5.6 4.4 2.2922.0 30.0 6.4 4.8 1.95 6.2 4.7 2.04 6.1 4.6 2.14 6.0 4;6 2.17 5.9 4.6 2.23 5.8 4.5 2.3324.0 32.0 6.5 4.8 1.97 6.4 4.7 2.07 6.2 4.7 2.16 6.2 4.6 2.20 6.1 4.6 2.26 5.9 4.5 2.35

3TW25112-1


(comp.+indoor+outdoor fan motor)


motor heat2. Shows nominal cooling capacities and power input3. SHC is based on each EWB and EDB

SHC* = SHC correction for other dry bulbSHC* = 0.29 x 60 x AFR (m3/min) x (1-BF) x (DB-EDB)/860Add SHC* to SHC.

4. Direct interpolation is permissible.Do not extrapolate.


6. Air flow rate and BF are tabulated below.

Model FCQ

35 AFR 11.5BF 0.15

50 AFR 14BF 0.15

60 AFR 19BF 0.11


3 Capacity tables

3


4 Dimensional drawings

RKS25,35unit (mm)

3D038641A

Minimum space for air passage Wall height on air outlet side = lessthan 1200Drain outlet

(I.D. J 15.9 hose for connection)

4 x holes for anchor bolts (M8 or M10)

Name plateTerminal strip with earthterminalWiring inlet

Gas stop valve(J B CuT)

Liquid stop valve(JA CuT)

Service port

Outdoor air thermistorBrand name label

In case of removingstop valve cover

RKS50,60,71unit (mm)

3D034257B

Minimum space for air passage Wall height on air outlet side = lessthan 1200

Drain outlet(I.D. J 15.9 hose for connection)

4 x holes for anchor bolts (M8 or M10)

Name plateTerminal strip with earthterminalWiring inlet

Gas stop valve(J B CuT)

Liquid stop valve(JA CuT)

Service port

Outdoor air thermistorBrand name label

In case of removing stopvalve cover

Indication label (refrigerant)

Model A BRKS50, RKS60 6.4 12.7RKS71 6.4 15.9


4


5 Operation range

RKS25,35,50,60,71B

4D029297B

Out

door

tem

p.(°

CDB)

Pull-

dow

npe

riod

Indoor temp. (°CWB)

Notes:The graph is based on the following conditions:1. Equivalent piping length 7.5 m2. Level difference 0 m3. Air flow rate high


5


6 Piping diagrams

3D039303

RKS25

Outdoor temperature thermistorHeat exchanger

Propeller fan

Capillary tube 1

Liquid stopvalve

Field piping

Field piping

AccumulatorCompressor

Muffler

Refrigerant flow

Cooling

Discharge pipethermistor

Heat exchanger thermistor

Capillary tube 2

Muffler

Motor operated valve

Muffler with filter

Outdoor unit

Gas stopvalve

Muffler with filter

Muffler withfilter

3D039304

RKS35


Propeller fan

Liquid stopvalve

Field piping

Field piping

AccumulatorCompressor

Muffler

Refrigerant flow

Cooling



Muffler


Muffler with filter

Outdoor unit

Gas stopvalve

Muffler with filter

Muffler withfilter


6


3D037835A

RKS50

Outdoor temperature thermistor

Heat exchanger

Propeller fan

Capillary tube 1

Liquid stop valve

Field piping

Field piping

Gas stop valve with service portAccumulator

Compressor

Capillary tube 3

Refrigerant flow

Cooling


Heat exchanger thermistor Capillary tube 2

Muffler withfilter


Muffler withfilter

Filter

Outdoor unit

3D037836A

RKS60,71


Propeller fan

Capillary tube 1

Liquid stop valve

Field piping

Field piping

Gas stop valve with service portAccumulator

Compressor

Capillary tube 3

Refrigerant flow

Cooling



Capillary tube 2

Capillary tube 4

Muffler withfilter


Muffler with filter

Filter

Outdoor unit


6 Piping diagrams

6


7 Wiring diagrams

3D038018B

RKS25,35

R : Protective earthC9, C11C12∼C15 : CapacitorCT1 : Current transformerDB1, DB2 : Diode bridgeF1U, F2U : FuseL : LiveL1 : CoilL1R : ReactorM1C : Compressor motorM1F : Fan motorPCB1 : Printed circuit boardMRH, MRL,MRM10, MRM20 : Magnetic relayN : NeutralPCB2 : Printed circuit boardQ1L : Overload protector

R1T, R2T, R3T, R4T : ThermistorS10, S11, S20, S45S70, S90, S91HL3, HN3 : ConnectorSA1 : Surge arresterZ1C : Ferrite coreIC3 : Solid state relayTFU : Thermal fuseTRM1 : Transistor moduleV1, V2, V3 : VaristorY1E : Electronic expansion valve coilX1M : Terminal strip

gField wiring

Indoor

Outdoor(outdoor)

(Condenser)

(discharge)

3D037866D

RKS50,60,71

R : Protective earthZ1C, Z2C : Ferrite coreX1M : Terminal stripY2E : Electronic expansion valve coilV2∼V5 : VaristorF1U, F2U, FU201 : FuseHE1, HE2, HAC1,E, AC1, AC2H1, H2, HLL1, L2, X11A : ConnectorMRM10, MRM20,MRC/W : Magnetic relayR1T∼R3T : Thermistor

S2∼S102 : ConnectorLEDA : Pilot lampPCB1, PCB2 : Printed circuit boardL : LiveN : NeutralS1W : Forced operation on/off switch (SW1)S4W : Local settingSA1 : Surge arresterDB1 : Diode bridgeM1C : Compressor motorM1F : Fan motorL1R : Reactor

gField wiring

Indoor

Power supply∼50Hz 220-240V∼60Hz 220-230V

Outdoor (outdoor)(Condenser)

(discharge)

Q1L : Overload protectorCT1 : Current transformerMID : Molded interconnect deviceSPM : System power module

To indoor unit


7


8 Sound level8-1 Sound level data

Oct

ave

band

soun

dpr

essu

rele

vel

Oct

ave

band

soun

dpr

essu

rele

vel

Cooling only

Model

Sound pressure level

Sound power level

(cooling)

230V, 50Hz

Measuring locationCooling

H L

RKS25B 46 43 59

RKS35B 47 44 60

RKS50B 47 * 63

RKS60B 49 * 64

RKS71B 52 * 66


Octave band center frequency (Hz) Octave band center frequency (Hz)

RKS25B (Cooling) RKS35B (Cooling)

4D013520E4D013518E

Legend

50/60Hz, 220-240/220-230V

8-2 Sound pressure spectrum

approximatethreshold hearing

for continuousnoise


for continuousnoise

NOTES1 Operation sound is measured in an anechoic chamber.2 Operation sound level differs with operation and ambient conditions.3 Reference acoustic pressure 0dB = 20µPa


88-1


8 Sound level8-2 Sound pressure spectrum

Oct

ave

band

soun

dpr

essu

rele

vel

Oct

ave

band

soun

dpr

essu

rele

vel

Octave band center frequency (Hz) Octave band center frequency (Hz)

RKS50B RKS60B

4D0409494D027648B


for continuous noise

approximatethreshold hearing for

continuous noise

RKS71B

Oct

ave

band

soun

dpr

essu

rele

vel


for continuous noise

3D027650B

Octave band center frequency (Hz)

NOTES1 Operation sound is measured in an anechoic chamber.2 Operation sound level differs with operation and ambient conditions.3 Reference acoustic pressure 0dB = 20µPa

Legend

50/60Hz, 220-240/220-230V

Cooling only


88-2


9 Accessories9-1 Standard accessories

RKS-B

Accessories supplied with the outdoor unit:

1

9-2 Optional accessoriesRKS-B

RKS25BVMB RKS35BVMB RKS50BVMB RKS60BVMB RKS71BVMB

Air direction adjustment grille KPW937A4 KPW945A4

Installation manual


99-1


10 Installation

Outdoor unit installation drawings

Wrap the installation pipe with the finishingtape from bottom to topModel 25 / 35 class

Max. allowable length Cooling only: 25mHeat pump: 15m

Max. allowable height 15mAdditional refrigerant requiredfor refrigerant pipe exceeding10 m in length.

20 g/m

Gas pipe O.D. 9.5 mmLiquid pipe O.D. 6.4 mm

* Be sure to add the proper amount of additional refrigerant.Failure to do so may result in reduced performance.

In sites with poor drainage, use block bases for outdoorunit. Adjust foot height until the unit is leveled. Otherwise,

water leakage or pooling of water may occur.Where there is a danger of the unit falling, use foot bolts, or

wires.

Allow space for piping and electrical servicing.

Service lid

How to remove the service lid.+ This service lid is an open/close type.+ Slide the lid downward to remove it.

How to attach the service lid.+ Insert the upper part of the service lid into the

outdoor unit to install.+ Tighten the screws.

Foot bolt-holecentres


From unit’s side

470115

288

250 mm from wall

RKS25,35B


10


Outdoor unit installation drawings

Wrap the installation pipe with thefinishing tape from bottom to top

Model 50 class 60 class 71 classMax. allowable length 30mMax. allowable height 20mAdditional refrigerant requiredfor refrigerant pipe exceeding10 m in length.

20 g/m

Gas pipe O.D. 12.7 mm O.D. 9.5 mmLiquid pipe O.D. 6.4 mm

* Be sure to add the proper amount of additional refrigerant.Failure to do so may result in reduced performance.

In sites with poor drainage, use block bases foroutdoor unit. Adjust foot height until the unit isleveled. Otherwise, water leakage or pooling of

water may occur.

Where there is a danger of the unit falling, use foot bolts, orwires.

Allow space for piping and electricalservicing.

Service lid


Foot bolt-hole centres

From unit’s side

250 mm from wall

RKS50,60,71B


10 Installation

10


Documents

RKS-B Pair Application · RKS+FCQ35B RKS+FCQ50B RKS+FCQ60B * This information was not available at the time of publication. RKS+FHQ35B Indoor unit Outdoor unit Power supply Compressor