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705 712 707 711 710 707 706 Location No. Part No. Description 701 43050422 Sensor, TE 702 43050423 Sensor, TS 703 43050427 Sensor, TO 704 43050430 Sensor, TD 705 43062228 Base, P.C.board 706 43160566 Terminal, Block 6P, 20A 707 4316V293 P.C. Board Ass’y, SW, MCC-1530 708 4316V367 P.C.board Ass’y, MCC-5009 710 43160571 Fuse, Holder, 250V, 15A 711 43160590 Fuse, AC250V, 6.3A 712 43158192 Reactor Model Name RAV-SP 404AT-E 404ARZ-E 404ATZG-E 454AT-E 454ATZ-E 454ATZG-E 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 – 224 –
WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out, its concentration will not exceed a set limit. The refrigerant R410A which is used in the air conditioner is safe, without the toxicity or combustibility of ammonia, and is not restricted by laws to be imposed which protect the ozone layer. However, since it contains more than air, it poses the risk of suffocation if its concentration should rise excessively. Suffocation from leakage of R410A is almost non-existent. With the recent increase in the number of high concentration buildings, however, the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space, individual control, energy conservation by curtailing heat and carrying power etc. Most importantly, the multi air conditioner system is able to replenish a large amount of refrigerant compared with conventional individual air conditioners. If a single unit of the multi conditioner system is to be installed in a small room, select a suitable model and installation procedure so that if the refrigerant accidentally leaks out, its concentration does not reach the limit (and in the event of an emergency, measures can be made before injury can occur). In a room where the concentration may exceed the limit, create an opening with adjacent rooms, or install mechanical ventilation combined with a gas leak detection device. The concentration is as given below. Total amount of refrigerant (kg) Min. volume of the indoor unit installed room (m³) ≤ Concentration limit (kg/m³) The concentration limit of R410A which is used in multi air conditioners is 0.3kg/m³. NOTE 1 : If there are 2 or more refrigerating systems in a single refrigerating device, the amounts of refrigerant should be as charged in each independent device. e.g., charged amount (10kg) Outdoor unit e.g., charged amount (15kg) Room A Room B Room C Room D Room E Room F Indoor unit For the amount of charge in this example: The possible amount of leaked refrigerant gas in rooms A, B and C is 10kg. The possible amount of leaked refrigerant gas in rooms D, E and F is 15kg. Important NOTE 2 : The standards for minimum room volume are as follows. 1) No partition (shaded portion) 2) When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas (opening without a door, or an opening 0.15% or larger than the respective floor spaces at the top or bottom of the door). Outdoor unit Refrigerant piping Indoor unit 3) If an indoor unit is installed in each partitioned room and the refrigerant piping is interconnected, the smallest room of course becomes the object. But when a mechanical ventilation is installed interlocked with a gas leakage detector in the smallest room where the density limit is exceeded, the volume of the next smallest room becomes the object. Very small room Small room Medium room Large room Refrigerant piping Mechanical ventilation device - Gas leak detector Outdoor unit Indoor unit NOTE 3 : The minimum indoor floor area compared with the amount of refrigerant is roughly as follows: (When the ceiling is 2.7m high) m² 35 Min. indoor floor area 40 30 25 20 15 10 5 0 Range below the density limit of 0.3 kg/m³ (countermeasures not needed) Range above the density limit of 0.3 kg/m³ (countermeasures needed) 10 20 30 Total amount of refrigerant kg
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SERVICE MANUAL FILE NO. A07-003 Rev
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7. REFRIGERANT R410A ..............
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WARNING Check earth wires. Prohibit
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• New Refrigerant (R410A) This ai
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1. SPECIFICATIONS Revised 2: Jun.,
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Revised 2: Jun., 2008 Indoor unit
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1-1-2. Concealed Duct Type Model I
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1-1-3. Under Ceiling Type Revised
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1-1-4. High Wall Type Revised 2: J
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1-1-5. Compact 4-Way Cassette (600
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1-1-6. Slim Duct Type Model Coolin
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Revised 2: Jun., 2008 Indoor unit 1
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1-2. Outdoor Unit Model name Outdo
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1-3. Operation Characteristic Curve
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2. CONSTRUCTION VIEWS (EXTERNAL VIE
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Revised 2: Jun., 2008 RAV-SM1104UT-
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- 33 - 365 17.5 17.5 74 Drain hole
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RAV-TWP30E2, RAV-TWP50E2 (Simultane
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3-2. Outdoor Unit RAV-SP1104AT-E, S
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4-1. Slim Duct (Filter Attached) 4.
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5-1-2. Slim Duct Type RAV-SM404SDT-
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- 43 - CAUTION : HIGH VOLTAGE The h
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6-2. Outdoor Unit (Parts Ratings) R
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Table 7-2-1 Thicknesses of annealed
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43˚to 45˚ 45˚to 46˚ B A C D Fig
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1) Be sure to make setting so that
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7-6. Instructions for Re-use Piping
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Revised 2: Jun., 2008 7-6-6. Handli
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7-6-8. Recovery method of refrigera
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8-1-2. Connection of Wireless Remot
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8-2. Control Specifications No. Ite
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No. Item Outline of specifications
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Optional power supply CN309 (Yellow
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- 77 - L-phase power supply lead (B
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3. Outdoor fan control SP110 SP140
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7. Current release value shift cont
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1. Pulse Motor Valve (PMV) control
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2) Heating fan control The outdoor
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10-1. Summary of Troubleshooting 1
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10-2. Troubleshooting 10-2-1. Outli
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10-2-2. Others (Other than Check Co
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- 93 - Check Code List (Outdoor) Re
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Error mode detected by indoor unit
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Error mode detected by outdoor unit
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10-2-4. Diagnostic Procedure for Ea
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Revised 2: Jun., 2008 [E18 error] I
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[P10 error] Is connection of float
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[F02 error] Revised 2: Jun., 2008
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[E03 error] (Master indoor unit) [
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Check code Outdoor LED display Che
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Check code [L29] Outdoor LED displa
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Temperature sensor Temperature - Re
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Lamp indication Check code Cause of
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- 123 - Check Code List (Outdoor) R
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Error mode detected by remote contr
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10-2-9. Diagnostic Procedure for Ea
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[E18 error] Is inter-unit cable of
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[P10 error] Revised 2: Jun., 2008
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[F02 error] Revised 2: Jun., 2008
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[E03 error] (Master indoor unit) [
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Check code [F12] [Suction temp. sen
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Check code [P22] [Fan system error]
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11. REPLACEMENT OF SERVICE P.C. BOA
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Revised 2: Jun., 2008 Setting 4-way
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Revised 2: Jun., 2008 Table 1. Sett
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12-1. Indoor Unit 12. SETUP AT LOCA
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Procedure 1 2 Turn on power of the
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12-1-4. Function Selection Setup P
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DN Item Contents At shipment from f
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12-1-6. Monitor Function of Remote
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n Indoor unit power-ON sequence Pow
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4. Wiring specifications • Use 2-
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2. How to confirm the central contr
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4. How to set louver lock (Louver f
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Be sure to make ceiling setting whe
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12-4-3. Service Support Function (L
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2) Error display The error which i
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4) Specific operation for maintenan
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Page 175 and 176: 13-2-2. Automatic Address Example f
Page 177 and 178: Revised 2: Jun., 2008 13-3. Remote
Page 179 and 180: 13-5. Confirmation of Indoor Unit N
Page 181 and 182: 14. DETACHMENTS Revised 2: Jun., 20
Page 183 and 184: No. Part name Procedure Remarks 4 C
Page 185 and 186: No. Part name Procedure Remarks 6 D
Page 187 and 188: No. Part name Procedure Remarks 7 F
Page 191 and 192: 14-1-2. Slim Duct Type RAV-SM404SDT
Page 193 and 194: No. Part name Procedure Remarks 5 P
Page 199 and 200: No. Part name Procedure Remarks 4 R
Page 203 and 204: No. Part name Procedure Remarks 7 P
Page 211 and 212: 15. EXPLODED VIEWS AND PARTS LIST R
Page 213 and 214: RAV-SM564UT-E, RAV-SM804UT-E, RAV-S
Page 215 and 216: RBC-AX31U (W)-E, RBC-AX31U (WS)-E 3
Page 217 and 218: Revised 2: Jun., 2008 Location No.
Page 219 and 220: 15-2. Outdoor Unit RAV-SP1104AT-E,
Page 221 and 222: RAV-SP1104AT-E, RAV-SP1104ATZ-E, RA
Page 223: Location No. Part No. Description 1
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