SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS SPLIT-TYPE, AIR CONDITIONERS March 2009 No. OCS14 TECHNICAL DATA BOOK R410A INVERTER [Model names] PLA-A·BA PKA-A·HA PKA-A·HAL PKA-A·KA PKA-A·KAL PCA-A·KA PEA-A·AA PUZ-A18/24/30/36/42NHA3 PUZ-A18/24/30/36/42NHA3-BS PUY-A12/18/24/30/36/42NHA3 PUY-A12/18/24/30/36/42NHA3-BS [Model names] CONTENTS 1. REFERENCE SERVICE MANUAL ............................................. 2 2. SPECIFICATIONS.................................................
1 REFERENCE SERVICE MANUAL For information on service, please refer to the service manual as follows. 1-1. INDOOR UNIT Service Manual No. Model name Service Ref. PLA-A12/18/24/30/36/42BA PLA-A12/18/24/30/36/42BA1 OCH420 OCB420 PKA-A12/18HA PKA-A12/18HAL PKA-A12/18HA PKA-A12/18HAL OCH456 OCB456 PKA-A24/30/36KA PKA-A24/30/36KAL PKA-A24/30/36KA.TH PKA-A24/30/36KAL.TH OCH457 OCB457 PCA-A24/30/36/42KA PCA-A24/30/36/42KA OCH455 OCB455 PEA-A12/18AA PEA-A12/18AA.TH HWE08070 BWE0811A 1-2.
2 SPECIFICATIONS 2-1. CEILING CASSETTE TYPE Model name Cooling Heating Heating at low ambient Power supply Voltage Indoor unit Remote Controller Outdoor unit Indoor unit Outdoor unit Max. Capacity Btu/h Rated Capacity Btu/h Min. Capacity Btu/h Total Input W EER Btu/h/W SEER Btu/h/W Moisture Removal Pints/h *1 SHF Max. Capacity Btu/h Rated Capacity Btu/h Min.
Model name Cooling Heating Heating at low ambient Power supply Voltage Indoor unit Remote Controller Outdoor unit Indoor unit Outdoor unit Max. Capacity Btu/h Rated Capacity Btu/h Min. Capacity Btu/h Total Input W EER Btu/h/W SEER Btu/h/W Moisture Removal Pints/h *1 SHF Max. Capacity Btu/h Rated Capacity Btu/h Min.
2-2. WALL-MOUNTED TYPE Indoor unit Model name Cooling Heating Heating at low ambient Power supply Voltage Indoor unit Outdoor unit MCA MOCP Fan Motor Fan Motor Output Compressor Air flow Refrigerant Control Defrost Method Sound level at cooling Sound level at heating External finish Dimension Refrigerant Refrigerant pipe size Refrigerant pipe length Weight Type Charge Oil Gas side O.D. Liquid side O.D.
Indoor unit Model name Cooling Heating Heating at low ambient Power supply Voltage Indoor unit Remote Controller Outdoor unit Outdoor unit Max. Capacity Btu/h Rated Capacity Btu/h Min. Capacity Btu/h Total Input W EER Btu/h/W SEER Btu/h/W Moisture Removal Pints/h *1 SHF Max. Capacity Btu/h Rated Capacity Btu/h Min.
2-3. CEILING-SUSPENDED TYPE Model name Cooling Heating Heating at low ambient Power supply Voltage Indoor unit Remote Controller Outdoor unit Indoor unit Outdoor unit Max. Capacity Btu/h Rated Capacity Btu/h Min. Capacity Btu/h Total Input W EER Btu/h/W SEER Btu/h/W Moisture Removal Pints/h *1 SHF Max. Capacity Btu/h Rated Capacity Btu/h Min.
Model name Cooling Heating Heating at low ambient Power supply Voltage Indoor unit Remote Controller Outdoor unit Indoor unit Outdoor unit Max. Capacity Btu/h Rated Capacity Btu/h Min. Capacity Btu/h Total Input W EER Btu/h/W SEER Btu/h/W Moisture Removal Pints/h *1 SHF Max. Capacity Btu/h Rated Capacity Btu/h Min.
2-4. CEILING CONCEALED TYPE Model name Cooling Heating Heating at low ambient Power supply Voltage Indoor unit indoor unit outdoor unit Max. Capacity Rated Capacity Min. Capacity Total input EER SEER Moisture Removal *1 SHF Max. Capacity Rated Capacity Min.
OUTLINES AND DIMENSIONS Unit: inch (mm) 23-1/2 (597) Air intake hole ( Connected the attached flexible pipe or socket. ) (83) (36) Vane motor Air outlet hole 37-3/8 (950) 1-27/64 3-17/64 (83) Indoor unit Ceiling Grille Min.94-1/2(2400) from floor Min.19-11/16(500) Entire periphery Floor (36) 6-9/16(167) 6-3/32 (155) (:150) Burring hole pitch :4-29/32(:125) 120° 6-7/32 120° Keep 25/64(10)to 19/32(15) between unit ceiling and ceiling slab.
PKA-A12HA PKA-A12HAL PKA-A18HA PKA-A18HAL 15-3/16(387) 7-1/2(192) Unit: inch (mm) 7-3/4(197) Top side Mount board 23-9/16(599) Front side 11-5/8(295) Right side D Left side A 27-1/16(688) 2-1/8 (55) Knockout hole for left piping 9-13/16(249) 6-1/16(155) 35-3/8(898) Front side(Grille open) Sleeve (purchased locally) :2-1/2~:3-1/8 (:65~:80) 3/16(5) Knock out hole for right piping Through hole :2-1/2~:3-1/8 (:65~:80) Terminal block for indoor/outdoor connecting line Terminal block fo
PKA-A24KA PKA-A36KA PKA-A24KAL PKA-A36KAL PKA-A30KA PKA-A30KAL Unit: inch (mm) 5-17/132(140.3) 2-9/16(65.2) Top side 17(431.7) 7/16(11) 16-11/16(423.
7-1/2(190) 1-13/16(46) 1 2 3 4 5 6 7 8 3(76) 4-7/8(124) 5/16(8) 2 8 120° 7 15-1/4(387) 1-1/2(38) 11/16(18) 10-1/4(260) 3-3/8(85) 1-7/8(48) 9-11/16(246) 9-3/16(233) 1/16(2) 1/16(1) Air intake 5-7/16(138) When drain socket is installed Drainage 4 3-3/8(86) In case of the rear pipe arrangement, make sure to remove the shaded portions from the independent piece. Then put the independent piece back in initial position.
2 3 7-1/2(190) 1-13/16(46) Ceiling 18-1/8(461) 4-3/4(121) 3(76) 4-7/8(124) 8 120° 5 7 15-1/4(387) 1-1/2(38) 11/16(18) 10-1/4(260) 3-3/8(85) 5-7/16(138) 1/16(2) 3-3/8(86) 6 7 8 5 1 2 3 4 1-7/8(48) 9-11/16(246) 9-3/16(233) 1/16(1) Drainage When drain socket is installed Electrical box 1/16(2) 7-1/2(190) Drainage pipe connection(1(26mm)I.D.
PEA-A18AA Unit: mm (inch) Drain pipe(O.D.ø32(1-1/4)) (Emergency draining) 159(6-9/32) 345(13-19/32) Suspension bolt hole 4-14X30(9/16X1-3/16) Slot (24-5/8) 100 (3-15/16) 150(Duct) (5-29/32) 23(29/32) 25(1) Drain pipe(O.D.ø32(1-1/4)) 700(27-9/16) 677(26-21/32) 23 (29/32) 10 (13/32) Control box 116 (4-19/32) 2X2-ø2.
OUTDOOR UNIT PUY-A12NHA3(-BS) Unit: mm (inch) PUY-A18NHA3(-BS) PUZ-A18NHA3(-BS) 347.5<13-11/16> W33<1-5/16> drain hole 45.4<1-25/32> 4-oval hole Air discharge 40<1-9/16> 18<23/32> 330<13> Air intake 365<14-3/8> 300<11-13/16> 152<6> 155 Air intake 32.5<1-9/32> 43.6<1-23/32> 400<15-25/32> 23<29/32> 22<7/8> Service panel Service panel for charge plug Connection for liquid pipe FLARE W6.
Min. 100mm <3-15/16> Service space Front piping hole (Knockout) Front trunking hole (Knockout) 45 <1-25/32> 19<3/4> 75 <2-31/32> Right piping hole (Knockout) 92<3-5/8> 55<2-3/16> :92<3 -5/8> 40<1-9/16> 45<1-25/32> Conduit hole (2-:27<1-1/16>Knockout) Right trunking hole (Knockout) Min. 500mm <19-11/16> 65<2-9/16> 95<3-5/8> 40<1-9/16> Rear piping hole (Knockout) :92<3 -5/8> Rear trunking hole (Knockout) Conduit hole (2-:27<1-1/16>Knockout) 40<1-9/16> 2-:22.
Min. 150mm <5-29/32> Min. 10mm <3/8> Service space Min. 10mm<3/8> Min.
Unit: mm (inch) WIRED REMOTE CONTROLLER 48.
Unit: mm (inch) WIRELESS REMOTE CONTROLLER 58<2-9/32> CHECK TEST MODEL RUN SELECT FAN SWING °F °C STOP AMPM START AMPM NOT AVAILABLE 159.
4 WIRING DIAGRAM PLA-A12BA [LEGEND] SYMBOL I.B CN2L CN24 CN30 CN32 CN41 CN51 DSA FUSE LED1 LED2 LED3 SW1 SW2 SWE X1 ZNR01,02 DP FS PLA-A18BA PLA-A24BA NAME INDOOR CONTROLLER BOARD CONNECTOR (LOSSNAY) CONNECTOR CONNECTOR CONNECTOR (REMOTE SWITCH) CONNECTOR (HA TERMINAL-A) CONNECTOR (CENTRALLY CONTROL) SURGE ABSORBER FUSE (T6.3AL250V) POWER SUPPLY (I.B) POWER SUPPLY (R.B) TRANSMISSION (INDOOR-OUTDOOR) SWITCH (MODEL SELECTION) +See table 1. SWITCH (CAPACITY CODE) +See table 2.
PKA-A12HA PKA-A18HA PKA-A12HAL PKA-A18HAL [Explanation of symbols] Symbol I.B CN2L CN30 CN32 CN41 CN51 CN90 CN152 DSA FUSE LED1 LED2 LED3 SW1 SW2 SWE ZNR01,02 R.B TB6 Symbol Name M Indoor controller board MS Connector (LOSSNAY) S.W Connector (LLC) Connector ( Remote switch) SWE2 Connector (HA terminal-A) TB2 Connector (Centrally control) TB4 Connector (Remote operation adapter) TB5 Connector (Back-up heating) TH1 Surge absorber FUSE(T3.15AL250V) TH2 Power supply (I.B) Power supply (R.
PKA-A24KA PKA-A24KAL PKA-A30KA PKA-A30KAL Notes: 1.SymboIs used in wiring diagram above are, : Connector, : Terminal (block). 2.Indoor and outdoor connecting wires have poIarities, make sure to match terminal numbers (S1, S2, S3)for correct wirings. 3.Since the outdoor side electric wiring may change, be sure to check the outdoor unit electric wiring diagram for servicing. 4.This diagram shows the wiring of indoor and outdoor connecting wires.
PCA-A24KA PCA-A30KA PCA-A36KA PCA-A42KA [LEGEND] SYMBOL I.B CN2L CN24 CN30 CN32 CN41 CN51 DSA FUSE LED1 LED2 LED3 SW1 SW2 SWE X1 ZNR01,02 R.B MF MV NAME INDOOR CONTROLLER BOARD CONNECTOR (LOSSNAY) CONNECTOR (BACK-UP HEATING) CONNECTOR (LLC) CONNECTOR (REMOTE SWITCH) CONNECTOR (HA TERMINAL-A) CONNECTOR (CENTRALLY CONTROL) SURGE ABSORBER FUSE (T6.3AL250V) POWER SUPPLY (I.B) POWER SUPPLY (R.
PEA-A12AA PEA-A18AA INSIDE SECTION OF CONTROL BOX TO MA REMOTE CONTROLLER TB15 1 2 I. B.
SYMBOL PFC IPM CB1~CB3 N.F. LI/LO NI/NO EI,E2,E3 52C C.B.
PUY-A24NHA3 NAME Converter Power Module Main Smoothing Capacitor Noise Filter Circuit Board Connection Terminal Connection Terminal Connection Terminal 52C Relay Controller Circuit Board Switch Switch Switch Switch Switch Switch Switch SW4 SW5 SW6 SW7 SW8 SW9 5 5 CN2 (WHT) 3 1 TRANS 1 1 3 1 2 1 2 CNDC (PNK) 3 2 2 3 1 21
PUZ-A30/36NHA3 [LEGEND] SYMBOL TB1 MC MF1 21S4 SV 63H TH3 TH6 TH7 TH8 TH32 LEV-A DCL CY1, CY2 ACTM PUZ-A30/36NHA3-BS NAME Terminal Block Motor for Compressor Fan Motor Solenoid Valve (Four-Way Valve) Solenoid Valve (Bypass Valve) High Pressure Switch Thermistor Thermistor Thermistor Thermistor Thermistor Electronic Expansion Valve Reactor Capacitor Active Filter Module SYMBOL P.B.
PUZ-A42NHA3 [LEGEND] SYMBOL TB1 MC MF1,MF2 21S4 63H 63L TH3 TH4 TH6 TH7 TH8 LEV-A DCL CY1, CY2 ACTM CB PUZ-A42NHA3-BS NAME Terminal Block Motor for Compressor Fan Motor Solenoid Valve (Four-Way Valve) High Pressure Switch Low Pressure Switch Thermistor Thermistor Thermistor Thermistor Thermistor Electronic Expansion Valve Reactor Capacitor Active Filter Module Main Smoothing Capacitor PUY-A42NHA3 SYMBOL P.B.
5 REFRIGERANT SYSTEM DIAGRAM 5-1. INDOOR UNIT PLA-A·BA PCA-A·KA PEA-A·AA Strainer(#50) Heat exchanger Refrigerant GAS pipe connection (Flare) Thermistor TH5 (Cond./Eva.
5-2. OUTDOOR UNIT PUZ-A18NHA3(-BS) Unit: mm (inch) 4-way valve (#50) Strainer Refrigerant GAS pipe 12.7 (W1/2) <4-way valve solenoid coil> Heating : ON Cooling : OFF Service port(check) High pressure protect switch Stop valve (with service port) Outdoor heat exchanger Thermistor (TH6) Muffler Thermistor (TH3) Thermistor (TH32) Distributor Accumulator Compressor Refrigerant LIQUID pipe 6.
PUY-A12NHA3(-BS) PUY-A18NHA3(-BS) Stop valve (with service port) (#50) Strainer Refrigerant GAS pipe 12.7 (W1/2) Unit: mm (inch) Service port (Check) Outdoor heat exchanger High pressure protect switch Thermistor (TH6) Thermistor (TH3) Thermistor (TH32) Distributor Accumulator Compressor Refrigerant LIQUID pipe 6.35 (W1/4) Stop valve Refrigerant flow in cooling (#100) Strainer (#100) Strainer Linear expansion valve PUY-A24NHA3(-BS) PUY-A30NHA3(-BS) PUY-A36NHA3(-BS) Refrigerant GAS pipe 15.
6 PERFORMANCE CURVES FOR THE COMBINATION OF OUTDOOR UNIT PUZ-A·NHA3(-BS), PUY-A·NHA3(-BS) Cooling performance curve CAPACITY (RATIO) 1.4 1.2 INDOOR W.B.(˚C) 22 (72˚F) 1.0 20 (68˚F) 18 (64˚F) 0.8 16 (61˚F) INDOOR W.B.(˚C) 22 (72˚F) 20 (68˚F) 18 (64˚F) 16 (61˚F) 1.2 TOTAL INPUT (RATIO) 1.0 0.8 0.6 0.4 -5 0 (23˚F) (32˚F) 10 (50˚F) 20 (68˚F) 30 (86˚F) 40 46 (104˚F) (115˚F) OUTDOOR D.B.(˚C) Note : This diagram shows the case where the operation frequency of a compressor is fixed.
Heating performance curve Correcting the capacity line influenced by frosting Not correcting the capacity line influenced by frosting INDOOR 1.4 CAPACITY (RATIO) 1.2 D.B.(˚C) In some cases, heating operation cannot be conducted with the maximum frequency in the area below the slanting line. 15 (59˚F) 20 (68˚F) 25 (77˚F) 1.0 0.8 0.6 0.4 1.4 1.2 INDOOR In some cases, heating operation cannot be conducted with the maximum frequency in the area above the slanting line. D.B.
CORRECTION FACTORS 7 7-1. COOLING CAPACITY CORRECTION FACTORS Outdoor unit PUY-A12/18 PUZ-A18 PUY-A24/30/36 PUZ-A24/30/36 PUY-A42 PUZ-A42 Refrigerant piping length (one way) 30m (100ft) 20m (70ft) 5m (16ft) 10m (33ft) 40m (130ft) 50m (165ft) 1.00 0.985 0.957 0.931 – – 1.00 0.988 0.966 0.946 0.929 0.913 1.00 0.985 0.957 0.931 0.908 0.886 40m (130ft) 50m (165ft) 7-2.
7-4. ADDITION OF REFRIGERANT • Additional charging is not necessary if the pipe length does not exceed 20 m(70 ft) for A12-A36 or 30 m(100 ft) for A42. • If the pipe length exceeds the specified length above, charge the unit with additional R410A refrigerant according to the permitted pipe lengths in the chart below. * When the unit is stopped, charge the unit with the additional refrigerant through the liquid stop valve after the pipe extensions and indoor unit have been vacuumized.
8-2. PLA-A·BA 8-2-1 FRESH AIR INTAKE AND BRANCH DUCT 1. Branch duct hole and fresh air intake hole (Fig. 1) At the time of installation, use the duct holes (cut out) located at the positions shown in Fig.1, as and when required. • A fresh air intake hole for the optional multi function casement can also be made. Note: The figure marked with * in the drawing represent the dimensions of the main unit excluding those of the optional multi function casement.
3. Fresh air intake amount & static pressure characteristics 1 PLA-A12 · A18 · A24 · A30BA Multifunction casement + Standard filter 50(20) Static pressure [Pa(in.W.G.%10-2)] Static pressure [Pa(in.W.G.
4. Change of outlet numbers The optional air outlet is necessary. To change the air outlet number to 3-, or 2-way outlet, the outlet number should be closed with the operational air outlet shutter. Indoor unit When the air outlets are closed, close the vane by removing the vane connector. Outlet concave portion Button Vane motor Up/down vanes Connector Air outlet shutter plate (Option) Vane motor Connector Button 5.
PLA-A30BA 4-way air flow (horizontal vane) Round duct 4-way air flow (horizontal vane) Rectangular duct 30(12) Static pressure [Pa(in.W.G%10-2)] Static pressure [Pa(in.W.G%10-2)] 30(12) Duct 20(8) 10(4) High Low 0 0 2 0 50 4 100 6 150 200 Air flow rate Low 0 0 [CFM] 0 250 3-way air flow (horizontal vane) Round duct High 2 50 4 100 250 [CFM] 70(28) Static pressure [Pa(in.W.
PLA-A42BA Duct 20(8) 10(4) 0 2 0 50 30(12) Duct 20(8) 10(4) High Low 0 4-way air flow (horizontal vane) Rectangular duct Static pressure [Pa(in.W.G%10-2)] Static pressure [Pa(in.W.G%10-2)] 4-way air flow (horizontal vane) Round duct 30(12) 4 100 6 150 8[CMM] 0 0 [CFM] 0 250 200 Air flow rate 3-way air flow (horizontal vane) Round duct 4 100 8[CMM] 250 200 Air flow rate [CFM] 70(28) Duct Duct Static pressure [Pa(in.W.
8-3. PCA-A·KA FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS Fresh air intake hole At the time of installation, use the duct holes (knock out) located at the positions shown in the left diagram, as and when required. A Indoor unit B Fresh air intake hole (knock out hole) C Filter in. (mm) A C B A B C 10-3/16 (259.
8-4. PEA-A·AA INDOOR FAN PERFORMANCE AND CORRECTED AIR FLOW PEA-A12AA PEA-A12AA (External static pressure 0.020[in.WG](5Pa) 208/230V 60Hz (External static pressure 0.060[in.WG](15Pa) 208/230V 60Hz 50 [0.20] External static pressure [in.WG](Pa) External static pressure [in.WG](Pa) 40 [0.16] 30 [0.12] Limit 20 [0.08] High 10 [0.04] 40 [0.16] Limit 30 [0.12] High 20 [0.08] Middle Rated point 10 [0.
PEA-A18AA PEA-A18AA (External static pressure 0.020[in.WG](5Pa) 208/230V 60Hz (External static pressure 0.060[in.WG](15Pa) 208/230V 60Hz 50 [0.20] 40 [0.16] Limit External static pressure [in.WG](Pa) External static pressure [in.WG](Pa) Limit 30 [0.12] 20 [0.08] High Middle 10 [0.04] High 30 [0.12] Middle 20 [0.08] Low Rated point 10 [0.04] Low Rated point 0 9 [318] 40 [0.
9 NOISE CRITERION CURVES PLA-A12BA NOTCH SPL(dB) High 31 Medium1 29 Medium2 28 Low 27 LINE PLA-A18BA 90 bar) NC-70 60 NC-60 50 NC-50 40 NC-40 30 NC-30 20 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE 63 125 OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar) OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.
PLA-A36BA NOTCH SPL(dB) High 40 Medium1 37 Medium2 34 Low 32 LINE PLA-A42BA bar) 80 70 NC-70 60 NC-60 50 NC-50 40 NC-40 30 NC-30 20 10 LINE 90 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE 63 125 NC-20 250 500 1000 2000 4000 OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.
PKA-A12HA PKA-A18HA PKA-A12HAL PKA-A18HAL NOTCH SPL(dB) High 43 36 Low LINE PKA-A24KA PKA-A30KA PKA-A24KAL PKA-A30KAL NC-70 60 NC-60 50 NC-50 40 NC-40 30 NC-30 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC-20 OCTAVE BAND SOUND PRESSURE LEVEL, dB(0dB=0.
NOTCH SPL(dB) High 40 Medium1 37 Medium2 35 Low 33 PCA-A30KA LINE 90 90 80 80 70 NC-70 60 NC-60 50 NC-50 40 NC-40 30 NC-30 20 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar) OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.
<60Hz> PEA-A12AA NOTCH SPL(dB) High 33 Middle 28 Low 23 External static pressure : 0.020[in.WG](5Pa) LINE NC-70 60 NC-60 50 NC-50 40 NC-40 30 NC-30 APPROXIMATE TERESHOLD OF HEARING FOR CONTINUOUS NOISE 63 125 NC-20 250 500 1000 2000 4000 OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar) OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.
<60Hz> PEA-A18AA NOTCH SPL(dB) High 37 Middle 33 Low 29 External static pressure : 0.020[in.WG](5Pa) LINE NC-70 60 NC-60 50 NC-50 40 NC-40 30 NC-30 APPROXIMATE TERESHOLD OF HEARING FOR CONTINUOUS NOISE 63 125 NC-20 250 500 1000 2000 4000 OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar) OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.
MICROPHONE 3.3ft UNIT 5ft GROUND PUY-A12NHA3 (-BS) PUY-A18NHA3 (-BS) PUZ-A18NHA3 (-BS) MODE SPL(dB) COOLING 46 HEATING 47 PUY-A24/30/36NHA3(-BS) PUZ-A24/30/36NHA3(-BS) LINE OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar) OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.
10 OPTIONAL PARTS 10-1. INDOOR UNIT Part Name Model Name Remote sensor (extensible) PAC-SE41TS-E PAC-88HA-E (1pc.) PAC-725AD (10pcs.