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Toshiba RAV-SM2804AT8ZG-E Specifications, Indoor Unit, 1-1-1. 4-WayCassette Type, <Twin type>

Models: RAV-SM2244AT8Z-E RAV-SM2804AT7ZG RAV-SM2804AT7 RAV-SM2804AT7Z RAV-SM2244AT7 RAV-SM2804AT8-E RAV-SM2244AT7Z RAV-SM2244AT7ZG RAV-SM2804AT8Z-E RAV-SM2244AT8ZG-E RAV-SM2804AT8ZG-E

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1. SPECIFICATIONS

1-1. Indoor Unit

1-1-1. 4-Way Cassette Type

<Twin type>

		Indoor unit 1				RAV-SM		1104UT-E	1404UT-E	1104UT-E	1404UT-E

Model		Indoor unit 2				RAV-SM		1104UT-E	1404UT-E	1104UT-E	1404UT-E

		Outdoor unit				RAV-SM	2244AT8-E		2804AT8-E	2244AT7	2804AT7

Cooling capacity						(kW)		20.0	23.0	20.0	23.0

Heating capacity						(kW)		22.4	27.0	22.4	27.0

Power supply								3 phase 380 – 415V 50Hz		3 phase 380V 60Hz

						Indoor unit

			Running current			(A)		10.09 – 9.24	13.24 – 12.12	10.09	13.24

			Power consumption			(kW)		6.24	8.19	6.24	8.19

		Cooling	Power factor			(%)		94	94	94	94

			EER					3.21	2.81	3.21	2.81

			Energy efficiency class ∗					A	C	—	—
Electrical
Electrical			Running current			(A)		9.41 – 8.61	12.09 – 11.07	9.41	12.09
characteristics			Running current			(A)		9.41 – 8.61	12.09 – 11.07	9.41	12.09

			Power consumption			(kW)		5.82	7.48	5.82	7.48
			Power consumption			(kW)		5.82	7.48	5.82	7.48

		Heating	Power factor			(%)		94	94	94	94

			COP					3.85	3.61	3.85	3.61

			Energy efficiency class ∗					A	A	—	—

			Maximum current			(A)		18	22	18	22

			Fan					Turbo fan	Turbo fan	Turbo fan	Turbo fan

Fan unit			Standard air flow		H/M/L	(m³/min.)		33.5/24.0/19.5	35.0/24.0/20.5	33.5/24.0/19.5	35.0/24.0/20.5

			Motor			(W)		68	72	68	72

Sound pressure level					H/M/L	(dB•A)		43 / 38 / 33	44 / 38 / 34	43 / 38 / 33	44 / 38 / 34

Sound power level					H/M/L	(dB•A)		58 / 53 / 48	59 / 53 / 49	58 / 53 / 48	59 / 53 / 49

						Outdoor unit

		Max. total length				(m)		70	70	70	70

Outer dimension		Min. length				(m)		7.5	7.5	7.5	7.5

		Height difference		Outdoor lower		(m)		30	30	30	30
				Outdoor lower		(m)		30	30	30	30

				Outdoor high		(m)		30	30	30	30
				Outdoor high		(m)		30	30	30	30

		Fan						Propeller fan	Propeller fan	Propeller fan	Propeller fan

Fan unit		Standard air flow high				(m³/min.)		133	133	133	133

		Motor				(W)		100 + 100	100 + 100	100 + 100	100 + 100

		Outdoor unit – Pipe branch			Gas side	(mm)		28.6	28.6	28.6	28.6

Connecting pipe					Liquid side	(mm)		12.7	12.7	12.7	12.7
					Liquid side	(mm)		12.7	12.7	12.7	12.7

		Pipe branch – Indoor unit			Gas side	(mm)		15.9	15.9	15.9	15.9
					Gas side	(mm)		15.9	15.9	15.9	15.9

					Liquid side	(mm)		9.5	9.5	9.5	9.5
					Liquid side	(mm)		9.5	9.5	9.5	9.5

Sound pressure level				Cooling / Heating		(dB•A)		56 / 57	57 / 58	56 / 57	57 / 58

Sound power level				Cooling / Heating		(dB•A)		72 / 74	74 / 75	72 / 74	74 / 75

∗ : IEC standard

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Toshiba RAV-SM2804AT8ZG-E, RAV-SM2244AT8ZG-E Specifications, Indoor Unit, 1-1-1. 4-WayCassette Type, <Twin type>

Contents

AIR-CONDITIONER OUTDOOR UNITDIGITAL INVERTER SERVICE MANUALCONTENTS REPLACEMENT OF Mark SAFETY CAUTIONIndication Explanation– 5 – – 6 – 3.Pipe Materials • New Refrigerant R410A1. Safety Caution Concerned to New Refrigerant 2.Cautions on Installation/ServiceGeneral tools Conventional tools can be used 4.Tools<RAV-SM2804ATseries> Simultaneous twin RAV-SM2244ATseries Simultaneous twinSimultaneous triple Simultaneous double twinRAV-SM2804ATseries – 10 –RAV-SM2244ATseries Branch kit<Twin type> 1. SPECIFICATIONS1-1.Indoor Unit 1-1-1. 4-WayCassette Type1-1-2.Duct Type <Twin type> – 12 –1-1-3.Ceiling Type <Twin type> – 13 –1-1-4. 4-WayCassette Type <Triple type> – 14 –1-1-5.Duct Type <Triple type> – 15 –1-1-6.Ceiling Type <Triple type> – 16 –1-1-7.High Wall Type Triple type – 17 –1-1-8. 4-WayCassette Type Double twin type – 18 –RAV-SM562MUT-E – 19 –Indoor unit RAV-SM562MUT-E1-1-10.Slim Duct Type <Double twin type> – 20 –1-1-11.Duct Type <Double twin type> – 21 –1-1-12.Ceiling Type <Double twin type> 1-1-12.High Wall Type Double twin type – 23 –– 24 – 1-2.Outdoor Unit<Heating> RAV-SM2244AT8Z ZG -E, RAV-SM2804AT8Z ZG -ERAV-SM2244AT7Z ZG, RAV-SM2804AT7Z ZG Cooling<Cooling> – 26 –RAV-SM2244AT8Z ZG -E, RAV-SM2804AT8Z ZG -E RAV-SM2244AT7Z ZG, RAV-SM2804AT7Z ZG2-1.Outdoor Unit 2. CONSTRUCTION VIEWS EXTERNAL VIEWS<Joint pipe> – 28 –RBC-DTWP101ESimultaneous Double Twin Branch pipeGas side socket <Gas side><Liquid side> RBC-TRP100ESimultaneous Triple<Joint pipe> – 30 –RBC-TWP101ESimultaneous Twin <Branch pipe>RAV-SM2244AT7Z ZG, RAV-SM2804AT7Z ZG 3. OUTDOOR UNIT REFRIGERANTING CYCLE DIAGRAM– 31 – RAV-SM2244AT8Z ZG -E, RAV-SM2804AT8Z ZG -ERAV-SM2804series Systematic diagram of refrigerating cycleRAV-SM2244series 4-1.Outdoor Unit 4. WIRING DIAGRAMRAV-SM2244AT7Z ZG, RAV-SM2804AT7Z ZG 5. SPECIFICATIONS OF ELECTRICAL PARTS5-1.Outdoor Unit RAV-SM2244AT8Z ZG -E, RAV-SM2804AT8Z ZG -E6-2-1.Piping Materials and Joints Used 6-1.Safety During Installation/Servicing6-2.Refrigerant Piping Installation 6. REFRIGERANT R410ATable 6-2-1Thicknesses of annealed copper pipes 1.Flare Processing Procedures and Precautions1.Joints 6-2-2.Processing of Piping MaterialsTable Fig. 6-2-1Flare processing dimensionsFlare and flare nut dimensions for R410A Flare and flare nut dimensions for R22Tightening torque 2.Flare Connecting Procedures and PrecautionsNominal Outer diameter6-3-1.Required Tools Fig. 6-4-1Configuration of refrigerant charging6-3.Tools 6-4.Recharging of Refrigerant1.Silver brazing filler 3.Low temperature brazing filler6-5-2.Flux 1.Reason why flux is necessary 6-5-1.Materials for BrazingNever use gas other than Nitrogen gas 2.Characteristics required for flux3.Types of flux 6-5-3.BrazingIf the definite conditions can be cleared 6-6-2.Restricted Items to Use the Existing Pipes6-6-4.Curing of Pipes Instruction of Works– 43 – 6-6-5.Final Installation Checks– 44 – Cautions for using existing pipe6-6-7.Recovering Refrigerant 6-6-6.Handling of Existing Pipe– 45 – 7-1.Outdoor Unit Control– 46 – 7-1-2.Print Circuit Board, MCC-1597Fan Motor IPDU– 47 – 7-1-3.Print Circuit Board, MCC-1599Interface CDB– 48 – 7-1-4.Print Circuit Board, MCC-1600Noise Filter1.PMV Pulse Motor Valve control 2.Discharge temperature release control7-2.Outline of Main Controls 3-2Heating fan control 3.Outdoor fan revolution number control– 50 – 3-1.Cooling fan control6.Electrical current release control 4.Defrost control5.Short interrupted operation preventive control 11.High-pressurerelease control 7.Heat sink temperature detection control8.Electrical current release value shift control 9.Over-currentprotective control– 53 – 13.Oil recovery control12.SV2 valve control – 54 – 14.Coil heating control2. Troubleshooting procedure 8. TROUBLESHOOTING8-1.Summary of Troubleshooting 1. Before troubleshooting– 56 – 1. Before troubleshooting2.Troubleshooting procedure <Wireless remote controller type>8-2-1.Outline of judgment 8-2.TroubleshootingCause of trouble occurrence – 58 –Lamp indication Check code– 59 – 8-2-2.Others Other than Check CodePage Page – 62 – Cause of operation Error mode detected by indoor unitOperation of diagnostic function Judgment and measures– 64 – Error mode detected by outdoor unitIndoor unit Operation of diagnostic functionCheck code Judgment and measures– 66 – LED display on outdoor P.C. board Dip switch setup<Latest error display> <Error display, which occurs at present>Page – 69 – – 70 – – 71 – – 72 – ¡l l l – 74 – – 75 – – 76 – Outdoor Check and troubleshooting– 77 – Check– 78 – TA, TC, TCJ, TE, TS, TO sensors Temperature sensorTA, TC, TCJ, TE, TS, TO sensors TD, TL sensorsREQUIREMENT <Contents>Procedure 4 seconds or more to call the service check modenIndoor unit power-ONsequence – 82 – 9-3.Outdoor UnitDisplay part D805 D804 D803 D802 D801 D8001.Outline Operation part1Display selection list 9-3-3.Others1.Selection of LED display SW800, SW803 operation – 84 –lllll¡ lllll¡ SW804 – 87 –<Specific operation> SW804 – 88 –10-1.Address Setup Procedure 10. ADDRESS SETUP<Terminology> 10-2.Address Setup & Group Control10-2-1.System Configuration Example – 91 –Change is necessary – 92 –Simultaneous triple and double twin system 10-3.Remote Controller WiringWiring diagram Simultaneous twin system1 2 3 4 5 6 7 8 9 10 11 END 2, 5,3, 6, 9 4, 7, 10-5.Confirmation of Indoor Unit No. Position 1 2 END1 2 3 END – 96 – <Maintenance/Check list>1 ACCESSORY PARTS ContentsDigital Inverter 2 SAFETY PRECAUTIONS3 INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER – 98 –Electrical wiring 4 INSTALLATION CONDITIONS„Required Tools/Equipment and Precautions for Use „Before installationDigital Inverter „Installation Location„Necessary Space for Installation Unit: mm Digital InverterKnockout procedure „Installation of Outdoor Unit„Optional Installation Parts Locally procured Serial installation in front and rear„Branch Pipe „Connecting the Gas Side Pipe„Tightening of Connecting Part Branch pipe installation„Air Purge 6 AIR PURGING„Refrigerant Pipe Length „Airtight Test„Replenishing Refrigerant „How to Open the ValveRefrigerant replenishing procedure „Insulating the PipesWiring diagram „ Wiring between Indoor Unit and„Power and Wiring Specifications Digital Inverter How to wire10 TEST RUN 11 ANNUAL MAINTENANCEStripping length power cord and connecting wire 9 FINISHING13 FUNCTIONS TO BE IMPLEMENTED LOCALLY 14 TROUBLESHOOTING„Recovering Refrigerant Cautions for using existing pipeD804 15 APPENDIXDigital Inverter D805Existing pipe SW Digital InverterPage 13-2.Exchange of Compressor 13. HOW TO EXCHANGE COMPRESSOR13-1.Exchanging Procedure of Compressor Outline 1. Detachment RAV-SM224, RAV-SM280series1.Detachment 2.Attachment2. Attachment Procedure– 113 – 1. Detachment2. Attachment – 114 –2. Attachment – 115 –1. Detachment Attachment – 116 –Detachment 2. Attachment – 117 –1. Detachment 1. Detachment Procedureof Inverter Assembly front – 118 –2. Attachment – 119 –9Compressor 1. Detachment 2. Attachment – 120 –10Fan motor 1. Detachment <Compressor terminal> Procedure– 121 – No. Part name12Pulse motor 1. Detachment 11Compressor 2. Attachment3.Vacuuming 4.Refrigerant charge2. Attachment 12313Fan guard 1. Detachment 15-1.Outdoor Unit 15. EXPLODED VIEWS AND PARTS LIST– 125 – 15-2.Inverter Assembly – 127 – 15-3.Outdoor Unit – 129 – 15-4.Inverter Assembly RAV-SM – 131 –Location Model nameCheck of Concentration Limit WARNINGS ON REFRIGERANT LEAKAGETOSHIBA CARRIER CORPORATION