Toshiba RAV-SM802AT-E user manual

User manual for the device Toshiba RAV-SM802AT-E

Device: Toshiba RAV-SM802AT-E
Category: Air Conditioner
Manufacturer: Toshiba
Size: 4.29 MB
Added : 11/22/2014
Number of pages: 36
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Abstracts of contents
Summary of the content on the page No. 1

FILE NO. SVM-06012
SERVICE MANUAL
AIR-CONDITIONER
UNDER CEILING / CONSOLE TYPE
RAV-SM562XT-E / RAV-SM562AT-E
RAV-SM802XT-E / RAV-SM802AT-E
R410A
April, 2006

Summary of the content on the page No. 2

FILE NO. SVM-06012 CONTENTS 1. SPECIFICATIONS............................................................................................................. 1 2. CONSTRUCTION VIEWS ................................................................................................. 3 3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM ...................................................... 4 4. WIRING DIAGRAM ........................................................................................................

Summary of the content on the page No. 3

FILE NO. SVM-06012 1. SPECIFICATIONS 1-1. Indoor Unit (Flexi Type) Model Indoor unit RAV-SM562XT-E RAV-SM802XT-E Outdoor unit RAV-SM562AT-E RAV-SM802AT-E Cooling capacity (kW) 5.0 6.7 5.6 8.0 Heating capacity (kW) Power supply 1 phase 230V (220-240V) 50Hz 8.95-8.20 13.15-12.06 Running current (A) Cooling Electrical 1.87 2.72 Power consumption (kW) characteristics Power factor (%) 95 94 (W/W) 2.67 2.46 EER D E Energy efficiency class * 2.5 1.5 Energy rating * Heating Running current (A) 8.13-7.4

Summary of the content on the page No. 4

FILE NO. SVM-06012  Operation characteristic curve 14 14 12 RAV-SM802XT-E RAV-SM802XT-E 12 10 10 8 8 6 6 RAV-SM562XT-E 4 RAV-SM562XT-E 4 • Conditions • Conditions Indoor : DB27˚C/WB19˚C Indoor : DB20˚C 2 Outdoor : DB35˚C Outdoor : DB7˚C/WB6˚C 2 Air flow : High Air flow : High Pipe length : 7.5m Pipe length : 7.5m 230V 230V 0 0 15 15 020 40 60 70 80 100 020 40 60 80 90 100 Compressor speed (rps) Compressor speed (rps)  Capacity variation ratio according to temperature

Summary of the content on the page No. 5

FILE NO. SVM-06012 2. CONST RUCTION VIEWS 2-1. Indoor Unit Front panel 208 1093 Knock out system Grille air inlet Back body 200 Min 1093 For stud bolt Installation plate (Ø8 – Ø10) 1015 742 For stud bolt (Ø6) 450 Mount plate 20 20 M10 Suspention bolt 57 18 Wireless remote control Knock out system UNDER CEILING & CONSOLE INSTALLATION – 3 – Ø74 165 330 460 633 70 Min 633 160

Summary of the content on the page No. 6

FILE NO. SVM-06012 3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 3-1. RAV-SM562XT-E / RAV-SM802XT-E Indoor unit TCJ sensor Air heat exchanger TC sensor Refrigerant pipe Refrigerant pipe Outer diameter of refrigerant pipe Model at liquid side at gas side Outer dia. ∅B Outer dia. ∅A RAV-SM Gas side ÆA Liquid side ÆB 12.7 mm 6.4 mm 562XT-E Max 802XT-E 15.9 mm 9.5 mm 30m Packed valve Packed valve Outer dia. ∅B Outer dia. ∅A Outdoor unit Note : This Service Mamual describes explanation for the Und

Summary of the content on the page No. 7

FILE NO. SVM-06012 4. WIRING DIAGRAM Indoor Unit HEAT EXCHANGER SWITCH PCB SENSOR MCC-1428B (TCJ) CN101 1 2 3 FOR FLOAT SWITCH 1 2 (OPTION) When you use float 1 2 switch you should cut J401 1 2 3 CN100 CN402 CN05 1 2 3 1 2 1 2 CN03 THERMO BLK J401 2 2 SENSOR WHI 10 10 10 10 BLK (TA) 1 1 BLU POWER 9 9 9 9 DC12V BLU BLK SUPPLY IC03 HEAT 8 8 8 8 2 2 4 DC5V BLU CIRCUIT BLK EXCHANGER 7 7 7 7 1 1 BLU SENSOR 6 6 6 6 CN01 BLU C02 (TC) 1 R506 5 5 5 5 BLU 4 4 4 4 DB01 BLU 3 3 3 3 BLU 2 2 2 2 CR502 BLU C

Summary of the content on the page No. 8

FILE NO. SVM-06012 5. SPECIFICATION OF ELECTRICAL PARTS Indoor Unit No. Parts name Type Specifications 1 Fan motor (for indoor) AFP-220-50-4A Output (Rated) 50 W, 220 – 240 V 2 Grille motor MP35EA DC 12 V 3 Thermo. sensor (TA-sensor) 550 mm 10 kΩ at 25°C 4 Heat exchanger sensor (TC-sensor) ∅6 mm, 500 mm 10 kΩ at 25°C 5 Heat exchanger sensor (TCJ-sensor) ∅6 mm, 500 mm 10 kΩ at 25°C – 6 –

Summary of the content on the page No. 9

FILE NO. SVM-06012 6. REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC (5) After completion of installation work, check to (R410A) which does not damage the ozone layer. make sure that there is no refrigeration gas leakage. The working pressure of the new refrigerant R410A is If the refrigerant gas leaks into the room, coming 1.6 times higher than conventional refrigerant (R22). into contact with fire in the fan-driven heater, The refrigerating oil is also changed in accorda

Summary of the content on the page No. 10

FILE NO. SVM-06012 Table 6-2-1 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 b) Socket joints For copper pipes, flare joints or socket joints are Socket joints are such that they are brazed for used. Prior to use, be sure to remove all connections, and used mainly for thick pipings contaminants. whose diameter is larger than 20 mm. Thicknesses of socket jo

Summary of the content on the page No. 11

FILE NO. SVM-06012 Table 6-2-3 Dimensions related to flare processing for R410A A (mm) Outer Nominal Thickness diameter Conventional flare tool Flare tool for R410A diameter (mm) (mm) clutch type Clutch type Wing nut type 1/4 6.35 0.8 0 to 0.5 1.0 to 1.5 1.5 to 2.0 3/8 9.52 0.8 0 to 0.5 1.0 to 1.5 1.5 to 2.0 1/2 12.70 0.8 0 to 0.5 1.0 to 1.5 2.0 to 2.5 5/8 15.88 1.0 0 to 0.5 1.0 to 1.5 2.0 to 2.5 Table 6-2-4 Dimensions related to flare processing for R22 A (mm) Outer Nominal Thickness diameter C

Summary of the content on the page No. 12

43° to 45° FILE NO. SVM-06012 Fig. 6-2-2 Relations between flare nut and flare seal surface (2) Flare connecting procedures and precautions When it is strong, the flare nut may crack and a) Make sure that the flare and union portions do may be made non-removable. When choosing not have any scar or dust, etc. the tightening torque, comply with values designated by manufacturers. Table 6-2-7 b) Correctly align the processed flare surface with shows reference values. the union axis. Note: c) Tighte

Summary of the content on the page No. 13

FILE NO. SVM-06012 6-3. Tools 6-3-1. Required tools The service port diameter of packed valve of the outdoor unit in the air conditioner 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 ∅12.70 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

Summary of the content on the page No. 14

FILE NO. SVM-06012 6-4. 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 indi- cated -0.1 Mpa (-76 cmHg), place the handle Low in the fully closed position, and turn off the Connect the charge hose to packed valve service vacuum pump’s power switch. port at the outdoor unit’s gas s

Summary of the content on the page No. 15

FILE NO. SVM-06012 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 with si

Summary of the content on the page No. 16

FILE NO. SVM-06012 (2) Characteristics required for flux 6-5-3. Brazing • Activated temperature of flux coincides with the As brazing work requires sophisticated techniques, brazing temperature. experiences based upon a theoretical knowledge, it • Due to a wide effective temperature range, flux must be performed by a person qualified. is hard to carbonize. In order to prevent the oxide film from occurring in the • It is easy to remove slag after brazing. pipe interior during brazing, it is effec

Summary of the content on the page No. 17

FILE NO. SVM-06012 7. CONTROL BLOCK DIAGRAM Indoor Unit Control Panel M.C.U. 8 MHz Heat Exchanger Sensor (TCJ) Hi POWER Functions Display • Louver Control Heat Exchanger Sensor (TC) FILTER Sign • 3-minute Delay at Restart for Compressor Display Temperature Sensor • Motor Revolution Control PRE DEF. Infrared Rays Signal Receiver Sign Display • Processing (Temperature Processing) TIMER Initiallizing Circuit Display Infrared • Timer Rays OPERATION Clock Frequence Display Oscillator Circuit 36.7 kHz

Summary of the content on the page No. 18

FILE NO. SVM-06012 8. OPERATION DESCRIPTION 8-1. When power supply is reset 8-3. Air volume control (1) Distinction of outdoor units (1) Operation with [HIGH (H)], [MED (M)], [LOW (L)], When the power supply is reset, the outdoors are or [AUTO] mode is performed by the command distinguished, and control is exchanged according from the remote control. to the distinguished result. (2) When [FAN] button is set to AUTO, the indoor fan (2) Setting of the indoor fan speed motor operates as shown in Fi

Summary of the content on the page No. 19

FILE NO. SVM-06012 8-4. Cool air discharge preventive control In heating operation, the indoor heat exchanger °C Preset restricts revolving speed of the fan motor to prevent a 0 L −0.5 temp. cold draft. The upper limit of the revolving speed is −1 *1 shown in Fig. 8-4-1 and Table 8-4-1. −1.5 *2 −2 Manual + (One of M AUTO 46 34 5 steps) 45 33 −5.0 −5.5 *4 L−H H 33 21 [FAN AUTO] (Up to 32 20 setting 3 speed) SUL* NOTE : *2 A+4 A+4 SUL*1 *1, *2 : The values marked with *1 and *2 are A−8A−

Summary of the content on the page No. 20

FILE NO. SVM-06012 8-5. Freeze preventive control (Low 8-7. Louver control temperature release) (1) Vertical air flow louver Position of veritcal air flow louver is automatically The cooling operation (including Dry operation) is controlled according to the operation mode. performed as follows based on the detected Besides, position of vertical air flow louver can be temperature of Tc sensor or Tcj sensor. arbitrarily set by pressing [FIX] button. When [J] zone is detected for T1 minutes (Follo


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