Technical Service Manual

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1 Technical Service Manual 60 Hz Low/Mid Pressure Duct Units 7 48 MBH Units 96 MBH Unit June 2009 VRF-SVM21A-EN

2 Low and Mid Pressure Duct Units 1. Features Specifications Dimensions Service Space Piping Diagram Wiring Diagrams Capacity tables Fan performances Electrical characteristics Noise level Exploded view Accessories

---All models feature thin design making them applicable to ceiling pocket that tends to be shallow 1.

4 Way of air intake and inserting air filter Filter ---Air intake can be positioned either at the back or below the unit.

3 1. Features (7 48 MBH) 1.1 Economic and convenient installation ---Several diffusers branch off from an indoor unit, adjusting the room temperature, which makes many rooms to be air-conditioned with only one indoor unit. ---All models feature thin design making them applicable to ceiling pocket that tends to be shallow 1.2 A wide variety of optional accessories ---Including front clapboard, panel, canvas air passage, filter, etc. Canvas air passage Clapboard Panel 1.3 A long-life and high-efficiency filter 1.4 Way of air intake and inserting air filter Filter ---Air intake can be positioned either at the back or below the unit. Similarly, the air filter also can be inserted either from the back or from the bottom of the unit. Features: (96 MBH unit) - Multi-blowing outlets to satisfy your fitment s needs. - Fresh air supply. Fresh air can be drawn in by the Indoor Unit, which improves the Indoor Air Quality greatly. - Wired control and group control available. - High capacity of cooling/heating, efficient, and energy-saving. - Innovative air supply, which provides homogeneous conditioning of the room temperature. - It is suitable for office, hospital, commercial place and home, the air conditioner will create the comfortable and elegance environment for you. - Air intake only from the back 2

4 2. Specifications Model 4RVL0007A10 4RVL0009A10 4RVL0012A10 Power supply V- Ph-Hz V~,1Ph, 60Hz Capacity kw Cooling Heating Indoor fan motor Indoor coil Input W Rated current A Capacity kw Input W Rated current A Model Type Brand YDK55-6E AC motor Welling Input W 110/95/80 Capacitor uf 2.5 Speed (hi/mid/lo) r/min 880/750/660 Number of rows Tube pitch (a)x row pitch (b) mm 25.4x x x22 Fin spacing mm Fin type Hydrophilic Aluminum Tube outside dia. and type mm Ф9.5 Inner groove Tube Coil length x height x width mm 400 x66 x x66 x x66 x305 Number of circuits Indoor air flow (H/M/L) m 3 /h 650/580/ /580/ /580/520 Indoor external static pressure (Hi) Pa Indoor noise level (Hi/Mid/Lo) db(a) 41/38/35 41/38/35 41/38/35 Dimension (W H D) mm Indoor unit Refrigerant type Packing (W H D) mm Net/Gross weight kg 28/33 28/33 28/33 R410A Throttle Electronic expansion valve Design pressure MPa 2.0/ / /4.2 Connecting pipes Connecting wiring Liquid side mm Ф6.4 Ф6.4 Ф6.4 Gas side mm Ф12.7 Ф12.7 Ф12.7 Power wiring mm (L 20m), 3 3.5(L 50m) Signal wiring mm Drainage water pipe dia. mm Ф32 Controller Standard Wired remote controller (RCONTKJR12B) Operation temp C Cooling: 17 C ; Heating: 30 C Notes: 1. Nominal cooling capacities are based on the following conditions: return air temperature: 27 CDB,19 CWB,outdoor temperature:35 CDB,equivalent ref. Piping: 8m(horizontal) 2. Nominal heating capacities are based on the following conditions: return air temperature: 20 CDB, outdoor temperature: 7 CDB,6 CWB,equivalent ref. Piping: 8m(horizontal) 3. Capacities are net, not including a deduction for cooling (an addition for heating) for indoor fan motor heat 3

5 Model 4RVD0015A10 4RVD0018A10 4RVD0024A10 4RVD0027A10 Power supply V- Ph-Hz V~,1Ph, 60Hz Cooling Heating Indoor fan motor Capacity kw Input W Rated current A Capacity kw Input W Rated current A Model YSK55-6L YSK55-6L YSK74-4D YSK74-4D Type AC motor AC motor AC motor AC motor Brand Welling Welling Welling Welling Input W 100/88/77 100/88/77 200/159/ /159/128 Capacitor uf 3uF/450V 3uF/450V 6.5UF/450V 6.5UF/450V Speed (hi/mid/lo) r/min 920/790/ /790/ /970/ /970/860 Number of rows Tube pitch (a)x row pitch (b) mm 24.54x x x x22 Fin spacing mm Indoor coil Fin type Tube outside dia. and type Coil length x height x width mm Hydrophilic aluminum Ф9.5 Inner groove tube mm 800 x254 x x254 x x254 x x254 x66 Number of circuits Indoor air flow (H/M/L) m 3 /h 1080/900/ /900/ /1200/ /1200/1060 Indoor external static pressure (Hi) Pa Indoor noise level (Hi/Mid/Lo) db(a) 44/41/38 44/41/38 46/44/42 46/44/42 Indoor unit Dimension (WxHxD) mm Packing (WxHxD) mm 1205X940X X940X X940X X940X370 Net/Gross weight kg 38/45 38/45 38/45 38/45 Refrigerant type R410A R410A R410A R410A Throttle Electronic expansion valve Design pressure MPa 2.0/ / / /4.2 Connecting Liquid side mm Ф6.4 Ф9.5 Ф9.5 Ф9.5 pipes Gas side mm Ф12.7 Ф15.9 Ф15.9 Ф15.9 Connecting Power wiring mm (L 20m), 3 3.5(L 50m) wiring Signal wiring mm Drainage water pipe dia. mm Ф32 Ф32 Ф32 Ф32 Controller Standard Wired remote controller (RCONTKJR12B) Operation temp C Cooling: 17 C; Heating: 30 C Notes: 1. Nominal cooling capacities are based on the following conditions: return air temperature: 27 CDB, 19 CWB, outdoor temperature: 35 CDB, equivalent ref. Piping: 8m (horizontal) 2. Nominal heating capacities are based on the following conditions: return air temperature: 20 CDB, outdoor temperature: 7 CDB, 6 CWB, equivalent ref. Piping: 8m (horizontal) 3. Capacities are net, not including a deduction for cooling (an addition for heating) for indoor fan motor heat 4

6 Model 4RVD0030A10 4RVD0038A10 4RVD0048A10 4RVD0096A10 Power supply V- Ph-Hz V~,1Ph, 60Hz Capacity kw Input W Cooling Rated current A Capacity kw Input W Heating Rated current A Model YSK59-4A( 2) YSK59-4A( 2) YSK59-4A( 2) YSK500-6B Type AC motor AC motor AC motor AC motor Brand Welling Welling Welling Yongan Input W 104/87/78( 2) 104/87/78( 2) 104/87/78( 2) 800/700/600 Indoor fan Capacitor uf 4UF/450V( 2) 4UF/450V( 2) 4UF/450V( 2) 30UF/ V motor Speed (hi/mid/lo) r/min 840/695/610( 2) 840/695/610( 2) 840/695/610( 2) 900/830/750 Number of rows Tube pitch (a)x row pitch (b) mm 25.4X X X X22 Fin spacing mm Fin type Hydrophilic aluminum Tube outside dia. and type mm Ф9.5 Inner groove tube Coil length x height x width mm 1150x254x x254x x254x Indoor coil Number of circuits Indoor air flow (H/M/L) m 3 /h 1700/1500/ /1500/ /1500/ /2814/2535 Indoor external static pressure (Hi) Pa Indoor noise level (Hi/Mid/Lo) db(a) 47/45/43 47/45/43 47/45/43 50/48/45 Dimension (W H D) mm Packing (W H D) mm 1555X370 X Indoor unit Net/Gross weight kg 48/57 48/57 48/58 96/110 Refrigerant type Throttle R410A Electronic expansion valve Design pressure MPa 2.0/ / / /4.2 Connecting Liquid side mm Ф9.5 Ф9.5 Ф9.5 Ф9.5 pipes Gas side mm Ф15.9 Ф15.9 Ф15.9 Ф15.9 Connecting Power wiring mm (L 20m), 3 3.5(L 50m) wiring Signal wiring mm Drainage water pipe dia. mm Ф32 Controller Standard Wired remote controller (RCONTKJR12B) Operation temp Cooling: 17 C ; Heating: 30 C Notes: 1. Nominal cooling capacities are based on the following conditions: return air temperature: 27 CDB, 19 CWB, outdoor temperature: 35 CDB, equivalent ref. Piping: 8m (horizontal) 2. Nominal heating capacities are based on the following conditions: return air temperature: 20 CDB, outdoor temperature: 7 CDB,6 CWB,equivalent ref. Piping: 8m(horizontal) 3. Capacities are net, not including a deduction for cooling (an addition for heating) for indoor fan motor heat 5

7 3. Dimensions - 4RVL0007A10 4RVL0009A10 4RVL0012A10 The figure is standard system. (Air-in down): When using the back-air installation, please refer to the following: Model ( MBH ) A B C D E H I J K L M N P 7-12 MBH

8 - 4RVD0015A10 4RVD0018A10 4RVD0024A10 4RVD0027A10 4RVD0030A10 4RVD0038A10 4RVD0048A10 In case of air return from back, please refer to the following: Model (MBH) A B C D E H I J K L M m n Refrigerant 15~ / R410A 30~ / R410A 7

9 1. - 4RVD0096A10 8

10 4. Service Space 4RVD0015A10 4RVD0018A10 4RVD0030A10 4RVD0038A10 Install the main body: 4RVD0024A10 4RVD0027A10 4RVD0048A10 Below air inlet: Rear air inlet: - 4RVD0096A10 9

11 5. Piping Diagrams - 4RVD0015A10 4RVD0018A10 4RVD0024A10 4RVD0027A10 4RVD0030A10 4RVD0038A10 4RVD0048A10 motor fan T2B flare nut T1 gas side T2 heat exchanger flare nut EXV liquid side 10

12 - 4RVD0096A10 motor motor fan T2B T2B flare nut flare nut T1 gas side T2 EXV T1 T2 flare nut liquid side heat exchanger flare nut EXV liquid side 11

13 6. Wiring Diagrams - 4RVL0007A10 4RVL0009A10 4RVL0012A10 4RVD0015A10 4RVD0018A10 4RVD0024A10 4RVD0027A10 12

14 - 4RVD0030A10 4RVD0038A10 4RVD0048A10 13

15 - 4RVD0096A10 14

16 7. Capacity tables - Cooling TC: total capacity SC: sensible capacity WB: wet-bulb temperature DB: dry-bulb temperature Indoor Unit size (kw) Indoor temperature ( C W B/DB) Outdoor 14/20 16/23 18/26 19/27 20/28 22/30 24/32 temperature ( C DB) TC SC TC SC TC SC TC SC TC SC TC SC TC SC kw kw kw kw kw kw kw kw kw kw kw kw kw kw

17 Indoor Unit size (kw) 5.6 Outdoor temperature ( C DB) Indoor temperature ( C W B/DB) 14/20 16/23 18/26 19/27 20/28 22/30 24/32 TC SC TC SC TC SC TC SC TC SC TC SC TC SC kw kw kw kw kw kw kw kw kw kw kw kw kw kw

18 Indoor Unit size (kw) Outdoor temperature ( C DB) Indoor temperature ( C W B/DB) 14/20 16/23 18/26 19/27 20/28 22/30 24/32 TC SC TC SC TC SC TC SC TC SC TC SC TC SC kw kw kw kw kw kw kw kw kw kw kw kw kw kw

19 - Heating WB: wet-bulb temperature DB: dry-bulb temperature TC: total capacity Indoor Unit size (kw) Indoor temperature ( C DB) Outdoor temperature ( C) TC TC TC TC TC TC WB DB kw kw kw kw kw kw

20 Indoor Unit size (kw) Indoor temperature ( C DB) Outdoor temperature ( C) TC TC TC TC TC TC WB DB kw kw kw kw kw kw

21 Indoor Unit size (kw) Indoor temperature ( C DB) Outdoor temperature ( C) TC TC TC TC TC TC WB DB kw kw kw kw kw kw

22 8. Fan performances Static pressure curve 21

23 9. Electrical characteristics Remark: Model Indoor Unit Power Supply IFM Hz Voltage Min. Max. MCA MFA KW FLA 4RVL0007A10 60Hz 220V 198V 242V A RVL0009A10 60Hz 220V 198V 242V A RVL0012A10 60Hz 220V 198V 242V A RVD0015A10 60Hz 220V 198V 242V A RVD0018A10 60Hz 220V 198V 242V A RVD0024A10 60Hz 220V 198V 242V A RVD0027A10 60Hz 220V 198V 242V A RVD0030A10 60Hz 220V 198V 242V A 0.059( 2) RVD0038A10 60Hz 220V 198V 242V A 0.059( 2) RVD0048A10 60Hz 220V 198V 242V A 0.059( 2) RVD0096A10 60Hz 220V 198V 242V A MCA: Min. Current Amps. (A) MFA: Max. Fuse Amps. (A) KW: Fan Motor Rated Output (kw) FLA: Full Load Amps. (A) IFM: Indoor Fan Motor 10. Sound level - Test condition DUCT TYPE Duct 1.0m Microphone - Test value Model Sound Pressure Level (db(a)) H M L 4RVL0007A RVL0009A RVL0012A RVD0015A RVD0018A RVD0024A RVD0027A RVD0030A RVD0038A RVD0048A RVD0096A

24 11. Exploded view - 4RVL0007A10 4RVL0009A10 4RVL0012A10 No. Part Name Quantity No. Part Name Quantity 1 Drainage pan ass'y 1 13 Remote controller bracket ass'y 1 2 Water pipe 1 14 Display board ass'y 1 3 Evaporator ass'y 1 15 Motor clamp Input pipe ass'y 1 16 Motor bracket Evaporator 1 17 Motor clamp Output pipe ass'y 1 18 Board Temperature sensor 1 19 Fan motor Temperature sensor ass'y 1 20 Rear board ass'y 1 4 Partition plate ass'y 1 21 Volute shell 1 5 E-Part box cover 1 22 Wind ring ass'y 2 6 Cover board ass'y 1 23 Capacitor box 1 7 Rubber guard bush 4 24 Motor capacitor 1 8 Left clapboard ass'y 1 25 Fan ass'y 1 9 E-part ass'y 1 26 Board E-part box 1 27 Right cover ass'y Transformer 1 28 Middle beam Main controller ass'y 1 29 Beam cover ass'y Wire joint, 2p 1 30 Electric throttle ass'y Wire joint Electronic expansion valve ass'y Wire joint 1 31 Base ass'y 1 10 Installation box 1 32 Evaporator lining board 1 11 Remote controller 1 33 Room temp sensor ass'y 1 12 Control box cover 1 23

- 4RVD0015A10 4RVD0018A10 4RVD0024A10 4RVD0027A10 No. Part Name Quantity No. Part Name Quantity 1 Base ass'y 1 20 Input pipe ass'y 1 2 Board 1 21 Evaporator ass'y 1 3 Motor clamp 1 21.

25 - 4RVD0015A10 4RVD0018A10 4RVD0024A10 4RVD0027A10 No. Part Name Quantity No. Part Name Quantity 1 Base ass'y 1 20 Input pipe ass'y 1 2 Board 1 21 Evaporator ass'y 1 3 Motor clamp Room temp sensor ass'y 1 4 Motor clamp Temp. sensor ass'y 1 5 Fan motor Temperature sensor 1 6 Capacitor 1 22 Output pipe ass'y 1 7 Motor bracket 1 23 Evaporator lining board 1 8 Fan ass'y 3 24 Evaporator left clapboard ass'y 1 9 E-Part box cover 1 25 Evaporator right clapboard ass'y 1 10 Wire joint 1 26 Drainage pan ass'y 1 11 Transformer 1 27 Middle beam 1 12 E-part ass'y 1 28 Right cover ass'y E-part box 1 29 Rear cover ass'y 1 13 Main controller ass'y 1 30 Bearing base 1 14 Pipe clamp board 1 31 Bearing 1 15 Sealed board ass'y 1 32 Bearing supporting board 1 16 Left clapboard ass'y 1 33 Rear beam 1 17 Display board ass'y 1 34 Connecting shaft 1 18 Remote controller 1 35 Coupling Remote controller holder ass'y 1 36 Electric throttle ass'y 1 19 Display box 1 24

- 4RVD0030A10 4RVD0038A10 4RVD0048A10 No. Part Name Quantity No. Part Name Quantity 1 Base ass'y 1 19 Remote controller 1 2 Fan ass'y 4 19.

26 - 4RVD0030A10 4RVD0038A10 4RVD0048A10 No. Part Name Quantity No. Part Name Quantity 1 Base ass'y 1 19 Remote controller 1 2 Fan ass'y Remote controller holder ass'y 1 3 Motor 2 20 Display box 1 4 Board 2 21 Input pipe ass'y 1 5 Motor clamp 2 22 Output pipe ass'y 1 6 Motor bracket 2 23 Evaporator ass'y 1 7 Capacitor box Room temp sensor ass'y 1 8 Motor clamp Temp. sensor ass'y 1 9 Motor capacitor Temperature sensor 1 10 Left clapboard ass'y 1 24 Evaporator left clapboard ass'y 1 11 Wire joint 1 25 Evaporator lining board 1 12 E-part box ass'y 1 26 Drainage pan ass'y E-part box 1 27 Evaporator right clapboard ass'y 1 13 Transformer 1 28 Right cover ass'y 1 14 Main controller ass'y 1 29 Middle beam 1 15 E-Part box cover 1 30 Rear cover ass'y 1 16 Pipe clamp board 1 31 Rear beam 1 17 Sealed board ass'y 1 32 Electric throttle ass'y 1 18 Display board ass'y 1 25

- 4RVD0096A10 No. Part Name Quantity No. Part Name Quantity 1 Evaporator Sealed board 1 16.

27 - 4RVD0096A10 No. Part Name Quantity No. Part Name Quantity 1 Evaporator Sealed board Relay 3 2 Right cover ass'y 1 17 Transformer 2 3 Drainage pan ass'y 1 18 Electronic control box 1 4 Motor 2 19 Left clapboard ass'y 1 5 Volute shell ass'y 2 20 Left Sealed board 1 6 Motor Supporter ass'y 2 21 Electric throttle ass'y 2 7 Front panel ass'y Electronic expansion valve 1 8 Air outlet ass'y EEV solenoid 1 9 Remote controller 1 22 Temp. sensor ass'y 2 10 Display board ass'y 1 23 Temp. sensor ass'y 2 11 Liquid branch pipe ass'y 1 24 Base ass'y 1 12 Gas branch pipe ass'y 1 25 Evaporator ass'y 1 13 Compressor capacitor 2 26 Temp sensor ass'y 2 14 Compressor capacitor box 2 27 Rear board ass'y 1 15 E-Part box cover 1 28 Top cover ass'y 1 16 Main controller ass'y 2 26

28 12. Accessories Name of Accessories Quantity Outline Usage Installation manual 1 Pipe insulation material 2 Heat insulation Accessory drain pipe 1 To connect drain pipe Adhesive tape for seal 1 To connect drain pipe Wired Remote controller 1 RCONTKJR12B 27

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