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SPLIT-TYPE AIR CONDITIONERS
OUTDOOR UNIT
HFC
No. OBH549
utilized
SERVICE MANUAL
R410A
Models
MUZ-GE09NA
MUZ-GE12NA
MUZ-GE15NA
MUZ-GE18NA
MUY-GE09NA
MUY-GE12NA
MUY-GE15NA
MUY-GE18NA
Indoor unit service manual
MSZ-GE•NA MSY-GE•NA Series (OBH548)
CONTENTS
1. TECHNICAL CHANGES ··································· 2
2. PART NAMES AND FUNCTIONS ····················· 3
3. SPECIFICATION ················································ 4
4. OUTLINES AND DIMENSIONS ························ 7
5. WIRING DIAG
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1 TECHNICAL CHANGES MUZ-GE09NA MUZ-GE12NA MUZ-GE15NA MUZ-GE18NA MUY-GE09NA MUY-GE12NA MUY-GE15NA MUY-GE18NA 1. New model 2
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2 PART NAMES AND FUNCTIONS MUZ-GE09NA MUZ-GE12NA MUZ-GE15NA MUY-GE09NA MUY-GE12NA MUY-GE15NA Air inlet (back and side) Piping Drain hose Air outlet Drain outlet MUZ-GE18NA MUY-GE18NA Air inlet (back and side) Piping Drain hose Air outlet Drain outlet 3
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3 SPECIFICATION Outdoor unit model MUZ-GE09NA MUY-GE09NA MUZ-GE12NA MUY-GE12NA 9,000 9,000 12,000 12,000 Cooling 1 Btu/h ( 3,800 ~ 12,200 ) ( 3,800 ~ 12,200 ) ( 3,800 ~ 13,600 ) ( 3,800 ~ 13,600 ) Capacity Rated (Minimum~Maximum) 10,900 14,400 Heating 47 1 Btu/h — — ( 4,500 ~ 14,100 ) ( 5,500 ~ 18,100 ) Capacity Heating 17 2 Btu/h 8,700 — 11,200 — Cooling 1 W 660 (205~1,200) 660 (205~1,200) 960 (205~1,300) 960 (205~1,300) Power consumption Rated (Minimum~Maximum) Heating 47 1 W 760 (255~1,
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Outdoor unit model MUZ-GE15NA MUY-GE15NA MUZ-GE18NA MUY-GE18NA 14,000 14,000 17,200 17,200 Cooling 1 Btu/h ( 3,100 ~ 18,200 ) ( 3,100 ~ 18,200 ) ( 3,700 ~ 18,700 ) ( 3,700 ~ 18,700 ) Capacity Rated (Minimum~Maximum) 18,000 21,600 Heating 47 1 Btu/h — — ( 4,800 ~ 20,900 ) ( 3,500 ~ 25,200 ) Capacity Heating 17 2 Btu/h 15,900 — 17,200 — Cooling 1 W 1,080 (160 ~ 2,000) 1,080 (160 ~ 2,000) 1,640 (240 ~ 2,070) 1,640 (240 ~ 2,070) Power consumption Rated (Minimum~Maximum) Heating 47 1 W 1,600 (2
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Test condition 3, 4 Indoor air condition (°F) Outdoor air condition (°F) Mode Test ARI Dry bulb Wet bulb Dry bulb Wet bulb "A-2" Cooling Steady State 80 67 95 (75) at rated compressor Speed "B-2" Cooling Steady State 80 67 82 (65) at rated compressor Speed SEER "B-1" Cooling Steady State 80 67 82 (65) (Cooling) at minimum compressor Speed "F-1" Cooling Steady State 80 67 67 (53.5) at minimum compressor Speed "E-V" Cooling Steady State 80 67 87 (69) at Intermediate compressor Speed 5
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4 in. or more 14 in. or more 4 in. or more 14 in. or more 4 OUTLINES AND DIMENSIONS Unit: inch MUZ-GE09NA MUZ-GE12NA MUZ-GE15NA MUY-GE09NA MUY-GE12NA MUY-GE15NA REQUIRED SPACE Basically open 4 inch or more without any obstruction in front 15-3/4 Drain hole 1-5/8 and on both sides of the unit. Air in Air in 1-9/16 Air out 2- 3/8 13/16 Oval hole 29/32 11-1/4 17/32 7/8 Open two sides of left, right, or rear side. handle Liquid pipe :1/4 (flared) Gas pipe :3/8 (flared) (GE09/12) 1/2 (f
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5 WIRING DIAGRAM MUZ-GE09NA MUZ-GE12NA MUY-GE09NA MUY-GE12NA 8
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MUZ-GE15NA MUY-GE15NA 9
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MUZ-GE18NA MUY-GE18NA 10
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6 REFRIGERANT SYSTEM DIAGRAM Unit: inch MUZ-GE09NA MUY-GE09NA Refrigerant pipe ø3/8 4-way valve (with heat insulator) Muffler Outdoor heat exchanger Stop valve temperature (with service port) thermistor Outdoor Muffler RT68 Discharge heat Flared connection temperature exchanger thermistor Service port RT62 Ambient Compressor temperature Service port thermistor RT65 Defrost thermistor RT61 (MUZ) Strainer Capillary tube #100 O.D. 0.118 × I.D. 0.079 Flared connection × 9-7/16 LEV (ø3.0 × ø2.0 × 2
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Unit: inch MUZ-GE18NA MUY-GE18NA Muffler Refrigerant pipe ø1/2 #100 4-way valve (with heat insulator) Stop valve Service port (with service port) Outdoor Flared connection Discharge heat Ambient Defrost temperature exchanger temperature thermistor thermistor thermistor RT61 RT62 RT65 Service port (MUZ) Compressor Outdoor heat exchanger temperature thermistor RT68 Flared connection LEV Strainer Receiver R.V. coil (MUZ) #100 heating ON cooling OFF Stop valve Capillary tube (with strainar) O.D. 0
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ADDITIONAL REFRIGERANT CHARGE (R410A: oz.) Refrigerant piping exceeding 25 ft. requires additional refrigerant charge according to the calculation. Refrigerant piping length (one way): ft. Outdoor unit Model precharged 25 30 40 50 60 65 MUZ-GE09NA 1 lb. 12 oz. MUY-GE09NA MUZ-GE12NA 0 1.62 4.86 8.10 11.34 12.96 MUY-GE12NA 2 lb. 9 oz. MUZ-GE15NA MUY-GE15NA Calculation: X oz. = 1.62/5 oz. / ft. × (Refrigerant piping length (ft.) - 25) Refrigerant piping length (one way): ft. Outdoor unit Model p
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Indoor intake air WB temperature (°F) Indoor intake air WB temperature (°F) Indoor intake air WB temperature (°F) 2) COOLING CAPACITY CORRECTIONS Refrigerant piping length (one way: ft.) 25 (std.) 40 65 MUZ-GE09NA MUY-GE09NA MUZ-GE12NA MUY-GE12NA 1.0 0.954 0.878 MUZ-GE15NA MUY-GE15NA MUZ-GE18NA MUY-GE18NA 3) HEATING CAPACITY (MUZ) Indoor air Outdoor intake air WB temperature (˚F) Model 5 152535434555 IDB (˚F) TC TPC TC TPC TC TPC TC TPC TC TPC TC TPC TC TPC 75 4.8 0.45 6.3 0.57 7.9 0.67 9.4
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Indoor intake air WB temperature (°F) MUZ-GE18NA MUY-GE18NA SHF at rating condition = 0.71 Airflow = 498 CFM 22 21 20 19 18 17 16 71 15 67 14 63 1.9 71 67 1.8 63 1.7 1.6 1.5 1.4 1.3 65 75 85 95 105 115 Outdoor intake air DB temperature (°F) Heating (MUZ) MUZ-GE09NA MUZ-GE12NA Airflow = 413 CFM Airflow = 413 CFM 15 65 14 70 20 65 75 70 13 75 16 12 11 10 12 9 8 8 7 6 4 5 75 1.0 1.3 70 65 1.2 75 70 1.1 0.8 65 1.0 0.6 0.9 0.8 0.4 0.7 0.6 0.5 52 1553545556570 52 1553545556570 Outdoor intake air WB te
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7-3. CONDENSING PRESSURE Cooling Data is based on the condition of indoor humidity 50 %. Air flow should be set to High speed. MUZ-GE09NA MUY-GE09NA (PSIG) (PSIG) 440 200 86 86 80 75 70 400 80 180 75 360 70 160 320 140 280 120 95 6870 75 80 85 90 100 105(°F) 6870 75 80 85 90 95 100 105(°F) Outdoor ambient temperature Outdoor ambient temperature MUZ-GE12NA MUY-GE12NA (PSIG) (PSIG) 420 190 86 80 86 75 70 80 380 170 75 70 340 150 300 130 260 110 6870 75 80 85 90 95 100 105(°F) 6870 75 80 85 90 95
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MUZ-GE18NA MUY-GE18NA (PSIG) (PSIG) 86 430 160 80 86 75 70 80 390 145 75 70 350 130 310 115 270 100 95 95 6870 75 80 85 90 100 105(°F) 6870 75 80 85 90 100 105(°F) Outdoor ambient temperature Outdoor ambient temperature Heating (MUZ) Data is based on the condition of outdoor humidity 75%. Air flow should be set to High speed. Data is for heating operation without any frost. MUZ-GE09NA (PSIG) (PSIG) 370 210 75 75 70 70 65 65 345 185 320 160 295 135 270 110 58Hz 58Hz 245 85 220 60 5 1525354555657
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MUZ-GE15NA (PSIG) (PSIG) 440 210 75 75 70 70 65 65 185 404 160 368 135 332 110 54Hz 54Hz 296 85 260 60 5 15253545556575(°F) 5 15253545556575(°F) Outdoor ambient temperature Outdoor ambient temperature MUZ-GE18NA (PSIG) (PSIG) 75 500 210 70 65 75 475 70 185 65 450 160 425 400 135 375 110 350 58Hz 58Hz 85 325 300 60 5 15253545556575(°F) 5 15253545556575(°F) Outdoor ambient temperature Outdoor ambient temperature 18 Indoor DB temperature (°F) Indoor DB temperature (°F) Indoor DB temperature (°F) In
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7-4. STANDARD OPERATION DATA MSZ-GE09NA MSZ-GE12NA Model MSZ-GE09NA MSZ-GE12NA MSY-GE09NA MSY-GE12NA Item Unit Cooling Heating Cooling Heating Capacity Btu/h 9,000 10,900 12,000 14,400 SHF - 0.82 — 0.74 — Input kW 0.660 0.760 0.960 1.170 Rated frequency Hz 59.5 77.5 69.0 77.0 Indoor unit MSZ-GE09NA, MSY-GE09NA MSZ-GE12NA, MSY-GE12NA Power supply (V, Phase, Hz) 208 / 230, 1, 60 Input kW 0.022 0.023 0.022 0.023 Fan motor current A 0.24/0.22 0.25/0.23 0.24/0.22 0.25/0.23 MUZ-GE09NA MUZ-GE12NA Outdo
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MSZ-GE15NA MSZ-GE18NA Model MSZ-GE15NA MSZ-GE18NA MSY-GE15NA MSY-GE18NA Item Unit Cooling Heating Cooling Heating Capacity Btu/h 14,000 18,000 17,200 21,600 SHF - 0.80 — 0.71 — Input kW 1.080 1.600 1.640 1.900 Rated frequency Hz 55.5 74.0 83.0 84.0 Indoor unit MSZ-GE15NA, MSY-GE15NA MSZ-GE18NA, MSY-GE18NA Power supply (V, Phase, Hz) 208/230, 1, 60 Input kW 0.045 0.031 0.043 0.037 Fan motor current A 0.50/0.45 0.35/0.32 0.43/0.39 0.40/0.36 MUZ-GE15NA MUZ-GE18NA Outdoor unit MUZ-GE15NA MUZ-GE18NA
