Page 2 - REFERENCE SERVICE MANUAL
2 For information on service, please refer to the service manual as follows. 1-1. INDOOR UNIT Service Manual No. OCH426 OCB426 1-2. OUTDOOR UNIT Model name Service Ref. PUZ-HA30/36NHA PUZ-HA30/36NHA Model name Service Ref. Service Manual No. PLA-A18/30/36BA PLA-A18BA PLA-A18BA 1 OCH420 OCB420 PKA-A1...
Page 3 - SPECIFICATIONS
3 2 SPECIFICATIONS Model name Indoor unit PLA-A36BA PKA-A36FA(L) Outdoor unit PUZ-HA36NHA PUZ-HA36NHA Cooling Max. Capacity BTU/h 36,000 34,200 Rated Capacity BTU/h 36,000 34,200 Min. Capacity BTU/h 18,000 18,000 Total Input W 3,120 2,950 EER BTU/h/W 11.5 11.6 SEER BTU/h/W 16.0 16.0 Moisture Removal...
Page 4 - INDOOR UNIT; OUTLINES AND DIMENSIONS; Floor; Detail drawing of fresh air intake hole
4 4 INDOOR UNIT Unit : inch (mm) PLA-A18BA PLA-A30BA PLA-A36BA 3 OUTLINES AND DIMENSIONS 14-27/32 11-3/16 2-3/8 +5 0 (7.5) +35 -5 (160) (500) (950) Floor Min.94-1/2(2400) from floor Entire periphery (36) (83) (83) (36) (500) (950) (597) (597) ( 158) ( : 175) (350) ( : 150) ( 14- : 2.8 ) (167) (155) ...
Page 8 - Example of Notes
8 PUZ-HA30NHA PUZ-HA36NHA Unit : mm<inch> Min. 1000mm <39-3/8> Min. 150mm <5-29/32> Min. 10mm <3/8> Min. 10mm <3/8> FREE <Foundation bolt height> FOUNDATION Service space Terminal Block Left···Power supply wiring Right····Indoor/Outdoor wiring Earth terminal Servi...
Page 9 - WIRING DIAGRAM
9 4 WIRING DIAGRAM PLA-A18BA PLA-A30BA PLA-A36BA <Table 2>SW2(CAPACITY CODE) Service PLA-A30BA PLA-A36BA PLA-A42BA PLA-A12BA PLA-A18BA PLA-A24BA MODELS SW2 ON OFF 1 2 3 4 5 Service MODELS ON OFF 1 2 3 4 5 ON OFF 1 2 3 4 5 ON OFF 1 2 3 4 5 ON OFF 1 2 3 4 5 ON OFF 1 2 3 4 5 <Table 1>SW1(MO...
Page 13 - REFRIGERANT SYSTEM DIAGRAM
13 5-1. INDOOR UNITPLA-A·BA PKA-A·GA PKA-A·GAL PKA-A·FA PKA-A·FAL Thermistor TH2 Pipe temperature (Liquid) Distributor with strainer(#50) Thermistor TH5 (Cond./Eva. temperature) Thermistor TH1 (Room temperature) Refrigerant flow in coolingRefrigerant flow in heating Strainer(#50) Strainer(#50) Heat ...
Page 14 - PERFORMANCE CURVES; FOR THE COMBINATION OF OUTDOOR UNIT PUZ-HA·NHA; CAP; Cooling performance curve
14 6 PERFORMANCE CURVES Note : This diagram shows the case where the operation frequency of a compressor is fixed. FOR THE COMBINATION OF OUTDOOR UNIT PUZ-HA·NHA 1.4 1.2 1.0 0.8 72°F (22°C) 72°F (22°C) 68°F (20°C) 68°F (20°C) 64°F (18°C) 64°F (18°C) 61°F (16°C) 61°F (16°C) 90 (32°C) 70 (21°C) 50 (10...
Page 15 - Rated heating performance curve; Rated heating capacity; Outdoor ambient temp.; Heating input
15 Rated heating performance curve Rated heating capacity 0.50 1.00 1.50 2.00 80 ˚ F (27 ˚ C) 70 ˚ F (21 ˚ C) 60 ˚ F (16 ˚ C) 60 ˚ F (16 ˚ C) 70 ˚ F (21 ˚ C) 80 ˚ F (27 ˚ C) Outdoor ambient temp. INPUT (RATIO) CAPACITY (RATIO) 0.60 0.80 1.00 1.20 1.40 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 ...
Page 16 - CORRECTION FACTORS; Outdoor unit; Cooling
16 7 CORRECTION FACTORS Refrigerant piping length (one way) 30m (100ft) 40m (130ft) 50m (165ft) 55m (180ft) 60m (195ft) 70m (230ft) 80m (260ft) 20m (70ft) 10m (33ft) 5m (16ft) Outdoor unit PUZ-HA30NHAPUZ-HA36NHA 1.00 0.985 0.957 0.931 0.908 0.886 0.876 0.865 0.846 0.829 Refrigerant piping length (on...
Page 18 - AIR FLOW DATA; -1. OUTLET AIR SPEED AND COVERAGE RANGE; CFM
18 8 AIR FLOW DATA 8-1. OUTLET AIR SPEED AND COVERAGE RANGE CFM ft/sec.(m/sec.) ft (m) AirflowAir speedCoverage range PLA-A30BA 740 12.1 (3.7) 18 (5.6) PLA-A36BA 1060 17.4 (5.3) 26 (8.0) 640 10.5 (3.2) 15 (4.8) PLA-A18BA PKA-A18GAL PKA-A18GA 425 17.4 (5.3) 33 (10) CFM ft/sec.(m/sec.) ft (m) AirflowA...
Page 19 - Fresh air intake hole diagram
19 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 ca...
Page 20 - How to read curves
20 2 - inlet 1 - inlet 2 - inlet 1 - inlet 2 - inlet 1 - inlet -200(-80) -150(-60) -100(-40) -50(-20) 0 50(20) 0 1 2 50 100 150 200 [CFM] 3 4 5 6[CMM] 2 - inlet 1 - inlet Airflow rate Airflow rate Static pressure [Pa(in.W.G. % 10 -2 )] -200(-80) -150(-60) -100(-40) -50(-20) 0 50(20) 0 1 2 50 100 150...
Page 21 - Change of outlet numbers; The optional air outlet is necessary.; Branch duct and change of outlet numbers; Air flows in 2 directions.
21 Indoor unit Air outlet shutter plate (Option) Outlet concave portion Button Button Vane motor Vane motor Up/down vanes Connector Connector 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 w...
Page 24 - NOISE CRITERION CURVES; UNIT
24 PLA-A18BA NOTCH SPL(dB) LINE High 32 Medium1 31 Medium2 29 Low 28 OCT A VE B AND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar) 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 BAND CENTER FREQUENCIES...
Page 26 - MICROPHONE
26 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCT A VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar) BAND CENTER FREQUENCIES, Hz NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 PUHZ-HA30NHAPUHZ-HA36NHA COOLING MODE HEATING 52 SPL(dB) 5...
Page 27 - OPTIONAL PARTS
27 10 OPTIONAL PARTS 10-1. INDOOR UNIT Part Name Model Name Applicable model Remote sensor (extensible) PAC-SE41TS-E Connector for CN51(output for remote display + pulse12V input) PAC-88HA-E(1pc.)PAC-725AD(10pcs.) Power supply terminal kit PAC-SH55HR-EPAC-SH98HR-E PLA-A·BAPKA-A·GA(L)/FA(L) All model...