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FILE NO. A06-011
SERVICE MANUAL
AIR-CONDITIONER
SPLIT TYPE
Indoor Unit Outdoor Unit
(Standard Type)
RAS-B10SKVP-E RAS-10SAVP-E
RAS-B13SKVP-E RAS-13SAVP-E
RAS-B16SKVP-E RAS-16SAVP-E
(North Europe Type)
RAS-10SKVP-ND RAS-10SAVP-ND
RAS-13SKVP-ND RAS-13SAVP-ND
RAS-16SKVP-ND RAS-16SAVP-ND
R410A
PRINTED IN JAPAN, Fub, 2007 ToMo
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CONTENTS 1. SAFETY PRECAUTIONS .......................................................................... 3 2. SPECIFICATIONS...................................................................................... 5 3. REFRIGERANT R410A ............................................................................. 9 4. CONSTRUCTION VIEWS ........................................................................ 17 5. WIRING DIAGRAM .....................................................................
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1. SAFETY PRECAUTIONS For general public use Power supply cord of outdoor unit shall be 1.5 mm ² (H07RN-F or 60245IEC66) polychloroprene sheathed flexible cord. Read this “SAFETY PRECAUTIONS” carefully before servicing. The precautions described below include the important items regarding safety. Observe them without fail. After the servicing work, perform a trial operation to check for any problem. Turn off the main power supply switch (or breaker) before the unit maintenance. CAUTION
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DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS. FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION. TO PREVENT THE INDOOR UNIT FROM OVERHEATING AND CAUSING A FIRE HAZARD, PLACE THE UNIT WELL AWAY (MORE THAN 2 M) FROM HEAT SOURCES SUCH AS RADIATORS, HEAT REGISTORS, FURNACE, STOVES, ETC. WHEN MOVING THE AIR-CONDITIONER FOR INSTALLATION IN ANOTHER PLACE, BE VERY CARE- FUL NOT TO ALLOW THE SPECIFIED REFRIGERANT (R410A) TO BECOME MIXED WITH ANY OTHER GASEOU
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2. SPECIFICATIONS 2-1. Specifications RAS-B10SKVP-E/RAS-B13SKVP-E/RAS-B16SKVP-E, RAS-10SAVP-E/RAS-13SAVP-E/RAS-16SAVP-E Indoor RAS-B10SKVP-E RAS-B13SKVP-E RAS-B16SKVP-E Unit model Outdoor RAS-10SAVP-E RAS-13SAVP-E RAS-16SAVP-E Cooling capacity (kW) 2.5 3.5 4.5 Cooling capacity range (kW) 0.5–3.5 0.6–4.5 0.8–5.0 Heating capacity (kW) 3.2 4.2 5.5 Heating capacity range (kW) 0.6 – 6.1 0.6 – 6.9 0.8 – 8.0 Power supply 1 Ph/50Hz/220–240 V, 1 Ph/60Hz/220 V Operation mode Cooling Heating Cooling Heati
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RAS-10SKVP-ND, RAS-13SKVP-ND, RAS-16SKVP-ND/RAS-10SAVP-ND, RAS-13SAVP-ND, RAS-16SAVP-ND Indoor RAS-10SKVP-ND RAS-13SKVP-ND RAS-16SKVP-ND Unit model Outdoor RAS-10SAVP-ND RAS-13SAVP-ND RAS-16SAVP-ND Cooling capacity (kW) 2.5 3.5 4.5 Cooling capacity range (kW) 0.5–3.5 0.6–4.5 0.8–5.0 Heating capacity (kW) 3.2 4.2 5.5 Heating capacity range (kW) 0.6 – 6.1 0.6 – 6.9 0.8 – 8.0 Power supply 1 Ph/50Hz/220–240 V Operation mode Cooling Heating Cooling Heating Cooling Heating Running current (A) 0.15 0.1
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2-2. Operation Characteristic Curve RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E 10 10 99 8 8 7 7 6 6 5 5 4 4 3 3 • Conditions Conditions 2 2 Indoor : DB 27˚C/WB 19˚C Indoor : DB 20˚C Outdoor : DB 35˚C Outdoor : DB 7˚C/WB 6˚C Air flow : High Air flow : High 1 1 Pipe length : 5m Pipe length : 5m Voltage : 230V Voltage : 230V 0 0 0 20406080 100 120 140 0 20 40 60 80 100 120 140 Compressor speed (rps) Compressor speed (rps) RAS-10SKVP-ND, RAS-13SKVP-ND, RAS-16SKVP-ND
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2-3. Capacity Variation Ratio According to Temperature RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E 120 110 100 100 80 90 60 80 40 70 • Conditions 20 60 • Conditions Indoor : DB27˚C/WB19˚C Indoor : DB 20˚C Indoor air flow : High Indoor air flow : High Pipe length : 5m Pipe length : 5m 0 50 32 –15 –10 –5 0 5 7 10 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp. (˚C) Outdoor temp. (˚C) RAS-10SKVP-ND, RAS-13SKVP-ND, RAS-16SKVP-ND 120 110 100 100 80 90
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3. REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC 6. When an air conditioning system charged with a (R410A) which does not damage the ozone layer. large volume of refrigerant is installed in a small room, it is necessary to exercise care so that, The working pressure of the new refrigerant R410A even when refrigerant leaks, its concentration is 1.6 times higher than conventional refrigerant does not exceed the marginal level. (R22). The refrigerating oil is also changed
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Table 3-2-1 Thicknesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) R410A R22 1/4 6.35 0.80 0.80 3/8 9.52 0.80 0.80 1/2 12.70 0.80 0.80 5/8 15.88 1.00 1.00 2. Joints For copper pipes, flare joints or socket joints are used. Prior to use, be sure to remove all contaminants. a) Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm. In such a case, socket joints can be used. Sizes of flare pipe ends
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d) Flare Processing Make certain that a clamp bar and copper pipe have been cleaned. ØD By means of the clamp bar, perform the flare A processing correctly. Use either a flare tool for R410A or conven- tional flare tool. Flare processing dimensions differ according to the type of flare tool. When using a conventional flare tool, be sure to secure “dimension A” by using a gauge for size Fig. 3-2-1 Flare processing dimensions adjustment. Table 3-2-3 Dimensions related to flare processing for R4
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43˚ to 45˚ Table 3-2-6 Flare and flare nut dimensions for R22 Dimension (mm) Nominal Outer diameter Thickness Flare nut width diameter (mm) (mm) (mm) ABCD 1/4 6.35 0.8 9.0 9.2 6.5 13 17 3/8 9.52 0.8 13.0 13.5 9.7 20 22 1/2 12.70 0.8 16.2 16.0 12.9 20 24 5/8 15.88 1.0 19.7 19.0 16.0 23 27 3/4 19.05 1.0 23.3 24.0 19.2 34 36 B A C D Fig. 3-2-2 Relations between flare nut and flare seal surface 2. Flare Connecting Procedures and Precautions a) Make sure that the flare and union portions do not hav
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3-3. Tools 3-3-1. Required Tools The service port diameter of packed valve of the outdoor unit in the air-water heat pump using R410A is changed to prevent mixing of other refrigerant. To reinforce the pressure-resisting strength, flare processing dimensions and opposite side dimension of flare nut (For Ø12.7 copper pipe) of the refrigerant piping are lengthened. The used refrigerating oil is changed, and mixing of oil may cause a trouble such as generation of sludge, clogging of capillary, etc
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3-4. Recharging of Refrigerant When it is necessary to recharge refrigerant, charge the specified amount of new refrigerant according to the following steps. Recover the refrigerant, and check no refrigerant remains in the equipment. When the compound gauge’s pointer has indicated –0.1 Mpa (–76 cmHg), place the handle Low in the fully closed position, and turn off the vacuum pump’s power switch. Connect the charge hose to packed valve service port at the outdoor unit’s gas side. Keep the st
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1. Be sure to make setting so that liquid can be charged. 2. When using a cylinder equipped with a siphon, liquid can be charged without turning it upside down. It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant. Accordingly, when charging refrigerant from the refrigerant cylinder to the equipment, charge it turning the cylinder upside down if cylinder is not equipped with siphon. [ Cylinder with siphon ] [ Cylinder without siphon ] Gaug
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2. Characteristics required for flux 3-5-3. Brazing Activated temperature of flux coincides with As brazing work requires sophisticated techniques, the brazing temperature. experiences based upon a theoretical knowledge, it must be performed by a person qualified. Due to a wide effective temperature range, flux is hard to carbonize. In order to prevent the oxide film from occurring in the pipe interior during brazing, it is effective to It is easy to remove slag after brazing. proceed with
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4. CONSTRUCTION VIEWS 4-1. Indoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E 790 Plasma pure filter Front panel Indoor heat exchanger Air filter 208 790 55 65 Knockout system Knockout system Remote controller holder 64 5 54.5 60 60 54.5 Installation plate hanging section Wireless remote controller 58 19 290 Installation plate hanging section Drain hose (Outside length: 0.54m) Part of Remote controller Connecting pipe (Outside length: 0.4m) WH-H04JE Flare Ø9.52 (B16SKVP-E: Ø12.7) Connect
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RAS-10SKVP-ND, RAS-13SKVP-ND, RAS-16SKVP-ND 790 Plasma pure filter Front panel Indoor heat exchanger Air filter 208 790 55 65 Knockout system Knockout system Remote controller holder 64 5 54.5 60 60 54.5 Installation plate hanging section Wireless remote controller 58 19 290 Installation plate hanging section Drain hose (Outside length: 0.54m) Part of Remote controller Connecting pipe (Outside length: 0.4m) WH-H05JE Flare Ø9.52 (16SKVP-ND: Ø12.7) Connecting pipe (Outside length: 0.45m) Flare Ø
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54 54 R15 dia.25 4-2. Outdoor Unit RAS-10SAVP-E, RAS-13SAVP-E, RAS-16SAVP-E, RAS-10SAVP-ND, RAS-13SAVP-ND, RAS-16SAVP-ND 600 90 Dia.11-14U-shape hole A leg part (For dia.8-10 anchor bolt) 8-dia.7 hole (For fixing outdoor unit) dia.11 × 14 long hole (For dia.8-10 anchor bolt) B leg part 145 483 257 69.5 147 157 Packed valve cover 79 dia.436 108 Fan guard Connecting pipe port (Pipe dia.6.35) 22 Connecting pipe port (Pipe dia.9.52 : 10SAVP-E, ND) (Pipe dia.9.52 : 13SAVP-E, ND) 25 (Pipe dia.12.7
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5. WIRING DIAGRAM 5-1. Outdoor Unit RAS-10SAVP-E, RAS-13SAVP-E, RAS-16SAVP-E Compressor Fan Motor RED P04 BLK 1 1 3 3 WHI P05 WHI 2 2 2 2 CM FM Q200 ~ 205 Q300 ~ 305 BLK P06 RED 3 3 1 1 IGBT MOS-FET CN300 Pulse Motor Valve R221 R321 6 6 P25 5 5 YEL P24 4 4 R220 R320 CN700 PMV P23 3 3 2 2 YEL P22 1 1 R219 R319 P21 3 3 BRW P20 CN603 2 2 P35 L03 C13 1 1 P. C. Board (TS) YEL P34 Suction pipe MCC-5009 Temp. Sensor – – – F03 Fuse P19 2 2 + + + 250V ~ CN602 1 1 ORN T3.15A (TO) P18 Outdoor Reactor DB01
