Page 1 Floating Air Pro Multi-Zone Type Model Outdoor Condensor FPHMR18A3A Outdoor Condensor FPHMR24A3A Outdoor Condensor FPHMR36A3A Indoor Wall Mount FPMW07A3A Indoor Cassette FPHFC09A3A Indoor Cassette FPHFC12A3A Indoor Cassette FPHFC18A3A Indoor Cassette FPHFC24A3A Indoor Ducted FPHFD09A3A Indoor Ducted FPHFD12A3A Indoor Ducted FPHFD18A3A...
Page 2 Product Dimensions: 9k, 12k, and 18k Ducted Indoor Units‑ Product Dimensions: 9k and 12k Cassette‑ Product Dimensions: 18k and 24k Cassette‑ Product Dimensions: 24k Outdoor Units‑ Product Dimensions: 36k Outdoor Units‑ Non‑Ducted Fphmr18a3a Cooling‑ Ducted Fphmr18a3a Cooling‑ Mixed Fphmr18a3a Cooling‑ Ducted Fphmr18a3a Heating‑ Mixed Fphmr18a3a Heating‑...
Page 3 18K Indoor Cassette‑ 24K INDOOR CASSETTE‑ 9K, 12K, DUCTED INDOOR‑ 18K Ducted Indoor‑ 24k Ducted Indoor‑ APPENDIX‑ Appendix 1: Reference Sheet of Celsius and Farenheit‑ Appendix 2: Pipe Expanding Method‑ LIMITED WARRANTY‑ CUSTOMER SATISFACTION and QUALITY ASSURANCE‑ FRIEDRICH AUTHORIZED PARTS DEPOTS‑...
Page 4 INTRODUCTION Important Safety Information The information in this manual is intended for use by a qualified technician who is familiar with the safety procedures required for installation and repair, and who is equipped with the proper tools and test instruments required to service this product.
Page 5 DO NOT OPERATE EQUIPMENT DURING ACTIVE STAGES OF CONSTRUCTION To ensure proper operation, Friedrich requires that all equipment is not operated during active construction phases. This includes active stages of completing framing, drywalling, spackling, sanding, painting, flooring, and moulding in the equipment’s designated conditioning space. The use of this equipment during construction could result in premature failure of the components and/or system and is in violation of our standard warranty guidelines.
Page 6 INTRODUCTION Personal Injury Or Death Hazards WARNING AVERTISSEMENT ADVERTENCIA Do not remove, disable or Ne pas supprime, désactiver ou No eliminar, desactivar o pasar SAFETY bypass this unit’s safety contourner cette l´unité des por alto los dispositivos de devices. Doing so may cause dispositifs de sécurité, faire vous seguridad de la unidad.
Page 7 INTRODUCTION MODEL IDENTIFICATION GUIDE MODEL IDENTIFICATION GUIDE Function : Model Type: HS – H ea t Pump Single Approximate Voltag e FR- Floating Air Premier Coolin g 1- 115 Volts HM – Heat Pump Multi FP - Floating Air Pro HF –...
Page 8 INTRODUCTION Product Appearance Duct type Model Indoor Unit (Btu/h) 9K/12K 18 K Cassette type Model Indoor Unit (Btu/h) 9K/12K 18K/ 24k/ 36k...
Page 9 INTRODUCTION Product Appearance Cassette type Model Indoor Unit Out door Unit (Btu/h) 24 K 36 K...
Page 10 INTRODUCTION Product Appearance Outdoor Unit Minimum and Maximum connectabel Capacity (Btu/h) Type View 12,000-36,000 3-Zone Tri 4-Zone Quad 18,000-48,000...
Page 11 SPECIFICATIONS Product Specifications Multi-Zone Wall-Mounted PERFORMANCE RATINGS Multizone Wall‑Mounted ‑ Heat Pumps INDOOR MODEL FPHMW07A3A FPHFW09A3A FPHFW12A3A FPHFW18A3A FPHFW24A3A SPECIFICATIONS CAPACITY 7,000 9,000 12,000 18,000 24,000 COOLING (RATED) CAPACITY 8,500 9,500 13,000 19,000 24,200 HEATING (RATED) MOISTURE Pts/h 2.5 REMOVAL AIRFLOW 424/382/323/247 424/382/323/247...
Page 12 SPECIFICATIONS Product Specifications Multi-Zone-Cassette PERFORMANCE RATINGS Multizone Cassette ‑ Heat Pumps INDOOR MODEL FPHFC09A3A FPHFC12A3A FPHFC18A3A FPHFC24A3A SPECIFICATIONS CAPACITY COOLING (RATED) 9,000 12,000 18,000 24,000 CAPACITY HEATING (RATED) 10,200 13,500 20,400 27,000 MOISTURE REMOVAL Pts/h AIRFLOW (HIGH) 1100 SOUND RATING (MAX.‑MIN.) dB‑A 40/28 40/28...
Page 13 SPECIFICATIONS Product Specifications Multi-Zone Concealed Ducted PERFORMANCE RATINGS Multizone ‑ The Insider™ Concealed Ducted Heat Pumps INDOOR MODEL FPHFD09A3A FPHFD12A3A FPHFD18A3A SPECIFICATIONS CAPACITY COOLING (RATED) 9,000 12,000 18,000 CAPACITY HEATING (RATED) 10,000 12,500 19,000 MOISTURE REMOVAL Pts/h Max Airflow (@0.1 E.S.P.) SOUND RATING (MAX.‑MIN.) dB‑A 33/26...
Page 14 SPECIFICATIONS Product Specifications 18K, 24k and 36k Outdoor Condensor Multi‑Zone Flex 2 Indoor units 2 or 3 indoor units 2 to 4 indoor units Model Name FPHMR18A3A FPHMR24A3A FPHMR36A3A R410A R410A R410A Capacity Cooling Capacity 95 ºF Btu/h 18000 24000...
Page 15 SPECIFICATIONS Product Specifications 18K, 24k and 36k Outdoor Condensor Multi‑Zone Flex 2 Indoor units 2 or 3 indoor units 2 to 4 indoor units Model Name FPHMR18A3A FPHMR24A3A FPHMR36A3A Dimension & Weight Net Dimension (WxHxD) inch 860×670×310 37‑3/8x33x13‑3/8 37‑3/8x41‑3/8x13‑3/8 33 7/8x26 3/8x12 1/4 950×840×340...
Page 16 SPECIFICATIONS Product Dimensions: Wall Mounted Indoor Units Model Width Height Depth FPHFW07A3A 33 7/8 “(Inches) 11 3/16 “(Inches) 8 1/2 “(Inches) FPHFW09A3A 33 7/8 “(Inches) 11 3/16 “(Inches) 8 1/2 “(Inches) FPHFW12A3A 33 7/8 “(Inches) 11 3/16 “(Inches) 8 1/2 “(Inches) FPHFW18A3A 45 3/16 “(Inches) 13 1/8 “(Inches)
Page 17 SPECIFICATIONS Product Dimensions: 9k, 12k, and 18k Ducted Indoor Units 5-1/4(134) 5(127) 6-11/16(170) 8-3/4(222) Air outlet Air inlet Unit: Inches “ (mm) Air outlet Electric box Air inlet Model ( Btu/ h) 37- 13/16 35- 13/16 29-1/2 9K/12K (910) (961) (749) (786) 48-7/16...
Page 18 SPECIFICATIONS Product Dimensions: 9k and 12k Cassette Unit: Inches “ (mm) 24-7/16(620) 12(305) 10-13/16(275) 2-7/16 (62) 22-7/16(570) 20-1/4(515) 2(51) 3-11/16 2-1/16(52) (93) 22-5 /8~23-1/4(575~590) 24-7/16(620)
Page 19 SPECIFICATIONS Product Dimensions: 18k and 24k Cassette Unit: Inches “ (mm) 37- 3/8(95 0) (490 ) (478 ) 33-1/16(840) 33-1/8(841) 7-1/8 5-1/8 (180) (130) 4-5/16 (110) 29-7/8(760) 33-7/8~35-13/16(860~910)
Page 20 SPECIFICATIONS Product Dimensions: 24k Outdoor Units Unit: Inches “ (mm) 7-1/4(185) 22- 7/8(580) 7(180) 37- 3/8(950) 3-1/4(82) 40- 7/8(1032) 13- 9/16(344) 2-3/4(70) 5/8(15)
Page 21 SPECIFICATIONS Product Dimensions: 36k Outdoor Units 3-7/8(100) 3-7/8(100) 3-1/4(83) 3-7/8(100) 5-1/4(133) 3-7/8(100) 3-7/8(100) 3-7/8(100) 41-5/16(1050) Unit: Inches” (mm) 13- 1/2(349) 37- 3/8(950) 7-1/4(18 5) 22-7/8(580) 13- 9/16(344) 2-3/4(70 ) 5/8(15)
Page 22 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR18A3A COOLING Non-Ducted Fphmr18a3a Cooling Indoor Air Temp. °F DB / °F WB Outdoor Indoor 64 / 54 70 / 60 75/ 83 80 / 67 85 / 71 90 / 73 Air Temp. units(Btu) (°F DB)
Page 23 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR18A3A COOLING Ducted Fphmr18a3a Cooling Indoor Air Temp. °F DB / °F WB Outdoor 64 / 54 70 / 60 75/ 83 80 / 67 85 / 71 90 / 73 Indoor units(Btu) Air Temp.
Page 24 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR18A3A COOLING Mixed Fphmr18a3a Cooling Indoor Air Temp. °F DB / °F WB Outdoor Indoor 64 / 54 70 / 60 75/ 83 80 / 67 85 / 71 90 / 73 Air Temp. units(Btu) (°F DB)
Page 25 SPECIFICATIONS Capacity Characteristics Chart Mixed Fphmr18a3a Cooling Outdoor Air Temp. Indoor Air Temp. °F DB Indoor °F DB °F WB units(Btu) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 9.98 2.17 9.86 2.13 9.80 2.09 9.53 2.05 9.21 2.01 12.15 2.28 11.83 2.24 11.54...
Page 26 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR18A3A HEATING Ducted Fphmr18a3a Heating Outdoor Air Temp. Indoor Air Temp. °F DB Indoor °F DB °F WB units(Btu) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 9.98 2.17 9.86 2.13 9.80 2.09 9.53 2.05 9.21 2.01 12.15 2.28...
Page 27 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR18A3A HEATING Mixed Fphmr18a3a Heating Outdoor Air Temp. Indoor Air Temp. °F DB Indoor °F DB °F WB units(Btu) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 9.98 2.17 9.86 2.13 9.80 2.09 9.53 2.05 9.21 2.01 12.15 2.28...
Page 28 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR24A3A COOLING Non-Ducted Fphmr24a3a Heating Indoor Air Temp. °F DB / °F WB Outdoor 64 / 54 70 / 60 75/ 83 80 / 67 85 / 71 90 / 73 Indoor units(Btu) Air Temp. (°F DB) kBtu/h kBtu/h...
Page 29 SPECIFICATIONS Capacity Characteristics Chart Non-Ducted Fphmr24a3a Cooling NON-DUCTED FPHMR24A3A COOLING 18.06 15.09 0.87 20.44 15.07 0.89 21.55 16.65 0.89 23.10 17.09 0.90 24.71 17.90 0.90 25.48 19.92 0.91 17.67 14.62 0.95 19.99 14.60 0.96 21.09 16.13 0.97 22.60 16.93 0.97 24.18 17.33 0.99...
Page 30 SPECIFICATIONS Capacity Characteristics Chart Non-Ducted Fphmr24a3a Cooling NON-DUCTED FPHMR24A3A COOLING 20.89 17.46 1.00 23.65 17.44 1.02 24.94 19.27 1.02 26.73 19.77 1.04 28.60 20.71 1.05 29.49 23.05 1.06 20.44 16.92 1.09 23.13 16.89 1.11 24.41 18.66 1.12 26.15 19.59 1.13 27.98 20.05 1.15...
Page 31 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR24A3A COOLING Ducted Fphmr24a3a Cooling Indoor Air Temp. °F DB / °F WB Outdoor 64 / 54 70 / 60 75/ 83 80 / 67 85 / 71 90 / 73 Indoor units(Btu) Air Temp. (°F DB) kBtu/h kBtu/h...
Page 32 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR24A3A COOLING Ducted Fphmr24a3a Cooling 21.15 17.68 1.01 23.94 17.65 1.04 25.25 19.50 1.04 27.06 20.02 1.05 28.95 20.97 1.06 29.85 23.33 1.07 20.70 17.12 1.11 23.42 17.10 1.12 24.71 18.89 1.13 26.48 19.83 1.14 28.32 20.30 1.16...
Page 33 SPECIFICATIONS Capacity Characteristics Chart Ducted Fphmr24a3a Cooling DUCTED FPHMR24A3A COOLING 21.15 17.68 1.01 23.94 17.65 1.04 25.25 19.50 1.04 27.06 20.02 1.05 28.95 20.97 1.06 29.85 23.33 1.07 20.70 17.12 1.11 23.42 17.10 1.12 24.71 18.89 1.13 26.48 19.83 1.14 28.32 20.30 1.16...
Page 34 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR24A3A COOLING Mixed Fphmr24a3a Cooling Indoor Air Temp. °F DB / °F WB Outdoor 64 / 54 70 / 60 75/ 83 80 / 67 85 / 71 90 / 73 Indoor units(Btu) Air Temp. (°F DB) kBtu/h kBtu/h...
Page 35 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR24A3A COOLING Mixed Fphmr24a3a Cooling 21.15 17.68 1.01 23.94 17.65 1.04 25.25 19.50 1.04 27.06 20.02 1.05 28.95 20.97 1.06 29.85 23.33 1.07 20.70 17.12 1.11 23.42 17.10 1.12 24.71 18.89 1.13 26.48 19.83 1.14 28.32 20.30 1.16...
Page 36 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR24A3A COOLING Mixed Fphmr24a3a Cooling 21.15 17.68 1.01 23.94 17.65 1.04 25.25 19.50 1.04 27.06 20.02 1.05 28.95 20.97 1.06 29.85 23.33 1.07 20.70 17.12 1.11 23.42 17.10 1.12 24.71 18.89 1.13 26.48 19.83 1.14 28.32 20.30 1.16...
Page 37 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR24A3A HEATING Non-Ducted Fphmr24a3a Heating Outdoor Air Temp. Indoor Air Temp. °F DB Indoor units(Btu) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 14.97 2.40 14.80 2.45 14.70 2.50 14.29 2.55 13.81 2.60 18.22 2.94 17.75 2.99...
Page 38 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR24A3A HEATING Non-Ducted Fphmr24a3a Heating 17.11 2.40 16.91 2.45 16.80 2.50 16.33 2.55 15.78 2.60 20.83 2.94 20.29 2.99 19.79 3.07 19.39 3.12 18.80 3.18 25.11 3.47 24.50 3.55 24.00 3.62 23.71 3.69 23.14 3.76 28.62 3.59 27.91...
Page 39 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR24A3A HEATING Non-Ducted Fphmr24a3a Heating 17.11 2.40 16.91 2.45 16.80 2.50 16.33 2.55 15.78 2.60 20.83 2.94 20.29 2.99 19.79 3.07 19.39 3.12 18.80 3.18 25.11 3.47 24.50 3.55 24.00 3.62 23.71 3.69 23.14 3.76 28.36 3.56 27.65...
Page 40 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR24A3A HEATING Non-Ducted Fphmr24a3a Heating 17.11 2.40 16.91 2.45 16.80 2.50 16.33 2.55 15.78 2.60 20.83 2.94 20.29 2.99 19.79 3.07 19.39 3.12 18.80 3.18 25.11 3.47 24.50 3.55 24.00 3.62 23.71 3.69 23.14 3.76 29.80 3.74 29.05...
Page 41 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR24A3A HEATING Ducted Fphmr24a3a Heating Outdoor Air Temp. Indoor Air Temp. °F DB Indoor units(Btu) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 14.97 2.40 14.80 2.45 14.70 2.50 14.29 2.55 13.81 2.60 18.22 2.94 17.75 2.99...
Page 42 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR24A3A HEATING Ducted Fphmr24a3a Heating 17.11 2.40 16.91 2.45 16.80 2.50 16.33 2.55 15.78 2.60 20.83 2.94 20.29 2.99 19.79 3.07 19.39 3.12 18.80 3.18 25.11 3.47 24.50 3.55 24.00 3.62 23.71 3.69 23.14 3.76 28.49 3.57 27.78...
Page 43 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR24A3A HEATING Ducted Fphmr24a3a Heating 17.11 2.40 16.91 2.45 16.80 2.50 16.33 2.55 15.78 2.60 20.83 2.94 20.29 2.99 19.79 3.07 19.39 3.12 18.80 3.18 25.11 3.47 24.50 3.55 24.00 3.62 23.71 3.69 23.14 3.76 28.23 3.54 27.53...
Page 44 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR24A3A HEATING Ducted Fphmr24a3a Heating 17.11 2.40 16.91 2.45 16.80 2.50 16.33 2.55 15.78 2.60 20.83 2.94 20.29 2.99 19.79 3.07 19.39 3.12 18.80 3.18 25.11 3.47 24.50 3.55 24.00 3.62 23.71 3.69 23.14 3.76 29.67 3.72 28.93...
Page 45 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR24A3A HEATING Mixed Fphmr24a3a Heating Outdoor Air Temp. Indoor Air Temp. °F DB Indoor °F DB °F WB units(Btu) kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 14.97 2.40 14.80 2.45 14.70 2.50 14.29 2.55 13.81 2.60 18.22 2.94 17.75 2.99...
Page 46 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR24A3A HEATING Mixed Fphmr24a3a Heating 17.11 2.40 16.91 2.45 16.80 2.50 16.33 2.55 15.78 2.60 20.83 2.94 20.29 2.99 19.79 3.07 19.39 3.12 18.80 3.18 25.11 3.47 24.50 3.55 24.00 3.62 23.71 3.69 23.14 3.76 28.56 3.58 27.84...
Page 47 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR24A3A HEATING Mixed Fphmr24a3a Heating 17.11 2.40 16.91 2.45 16.80 2.50 16.33 2.55 15.78 2.60 20.83 2.94 20.29 2.99 19.79 3.07 19.39 3.12 18.80 3.18 25.11 3.47 24.50 3.55 24.00 3.62 23.71 3.69 23.14 3.76 28.29 3.55 27.59...
Page 48 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR24A3A HEATING Mixed Fphmr24a3a Heating 17.11 2.40 16.91 2.45 16.80 2.50 16.33 2.55 15.78 2.60 20.83 2.94 20.29 2.99 19.79 3.07 19.39 3.12 18.80 3.18 25.11 3.47 24.50 3.55 24.00 3.62 23.71 3.69 23.14 3.76 29.73 3.73 28.99...
Page 49 SPECIFICATIONS Capacity Characteristics Chart Non-Ducted Fphmr36a3a Cooling NON-DUCTED FPHMR36A3A COOLING Indoor Air Temp. °F DB / °F WB Outdoor 64 / 54 70 / 60 75/ 83 80 / 67 85 / 71 90 / 73 Indoor Air Temp. units(Btu) (°F DB) kBtu/h kBtu/h...
Page 50 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A COOLING Non-Ducted Fphmr36a3a Cooling 27.43 22.02 1.70 31.05 21.99 1.74 32.75 24.30 1.74 35.10 24.94 1.76 37.55 25.92 1.78 38.72 28.70 1.79 26.93 21.48 1.85 30.47 21.45 1.87 32.15 23.70 1.88 34.45 24.88 1.90 36.86 25.46 1.94...
Page 51 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A COOLING Non-Ducted Fphmr36a3a Cooling 27.43 22.02 1.70 31.05 21.99 1.74 32.75 24.30 1.74 35.10 24.94 1.76 37.55 25.92 1.78 38.72 28.70 1.79 26.93 21.48 1.85 30.47 21.45 1.87 32.15 23.70 1.88 34.45 24.88 1.90 36.86 25.46 1.94...
Page 52 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A COOLING Non-Ducted Fphmr36a3a Cooling 27.60 22.16 1.71 31.24 22.13 1.75 32.95 24.45 1.75 35.32 25.09 1.77 37.78 26.08 1.79 38.96 28.88 1.81 27.10 21.62 1.86 30.66 21.59 1.88 32.35 23.85 1.90 34.67 25.04 1.91 37.09 25.62 1.95...
Page 53 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A COOLING Non-Ducted Fphmr36a3a Cooling 29.14 23.39 1.80 32.98 23.36 1.84 34.78 25.81 1.84 37.28 26.49 1.87 39.88 27.53 1.89 41.12 30.48 1.91 28.60 22.82 1.96 32.37 22.78 1.98 34.15 25.17 2.00 36.59 26.43 2.02 39.15 27.05 2.06...
Page 54 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A COOLING Non-Ducted Fphmr36a3a Cooling 30.50 24.48 1.89 34.52 24.45 1.93 36.41 27.01 1.93 39.02 27.73 1.95 41.75 28.82 1.97 43.04 31.91 2.00 29.94 23.88 2.05 33.88 23.85 2.07 35.75 26.35 2.09 38.31 27.66 2.11 40.98 28.31 2.16...
Page 55 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A HEATING Non-Ducted Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 43.52 4.19 42.44...
Page 56 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A COOLING Mixed Fphmr36a3a Cooling Indoor Air Temp. °F DB / °F WB Outdoor 64 / 54 70 / 60 75/ 83 80 / 67 85 / 71 90 / 73 Indoor Air Temp. units(Btu) (°F DB) kBtu/h kBtu/h...
Page 57 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A COOLING Mixed Fphmr36a3a Cooling 28.63 22.98 1.77 32.40 22.95 1.81 34.17 25.35 1.81 36.62 26.02 1.83 39.18 27.05 1.85 40.40 29.95 1.87 28.10 22.42 1.93 31.80 22.39 1.95 33.55 24.73 1.97 35.95 25.96 1.98 38.46 26.57 2.02...
Page 58 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A COOLING Mixed Fphmr36a3a Cooling 23.43 18.81 1.45 26.52 18.78 1.48 27.97 20.75 1.48 29.98 21.30 1.50 32.07 22.14 1.52 33.07 24.51 1.53 23.00 18.35 1.58 26.03 18.32 1.59 27.46 20.24 1.61 29.43 21.25 1.62 31.48 21.75 1.66...
Page 59 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A COOLING Mixed Fphmr36a3a Cooling 27.86 22.36 1.73 31.53 22.33 1.76 33.26 24.67 1.76 35.64 25.33 1.78 38.13 26.32 1.80 39.32 29.14 1.82 27.35 21.82 1.88 30.95 21.79 1.89 32.65 24.07 1.91 34.99 25.27 1.93 37.43 25.86 1.97...
Page 60 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A COOLING Mixed Fphmr36a3a Cooling 29.73 23.87 1.84 33.65 23.84 1.88 35.50 26.33 1.88 38.04 27.03 1.90 40.70 28.09 1.92 41.96 31.10 1.94 29.19 23.28 2.00 33.03 23.25 2.02 34.85 25.69 2.04 37.34 26.97 2.06 39.95 27.60 2.10...
Page 61 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A COOLING Mixed Fphmr36a3a Cooling 30.07 24.14 1.86 34.04 24.11 1.90 35.90 26.64 1.90 38.48 27.34 1.93 41.16 28.42 1.95 42.44 31.46 1.97 29.52 23.55 2.02 33.41 23.52 2.04 35.25 25.98 2.06 37.77 27.28 2.08 40.41 27.92 2.13...
Page 62 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A COOLING Ducted Fphmr36a3a Cooling Indoor Air Temp. °F DB / °F WB Outdoor 64 / 54 70 / 60 75/ 83 80 / 67 85 / 71 90 / 73 Indoor Air Temp. units(Btu) (°F DB) kBtu/h kBtu/h...
Page 63 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A COOLING Ducted Fphmr36a3a Cooling 28.20 22.64 1.75 31.92 22.61 1.79 33.67 24.98 1.79 36.08 25.64 1.81 38.60 26.65 1.82 39.80 29.50 1.84 27.68 22.08 1.90 31.33 22.05 1.92 33.05 24.36 1.94 35.42 25.58 1.95 37.89 26.18 1.99...
Page 64 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A COOLING Ducted Fphmr36a3a Cooling 23.00 18.47 1.42 26.04 18.44 1.46 27.46 20.37 1.46 29.43 20.91 1.47 31.49 21.74 1.49 32.46 24.06 1.50 22.58 18.01 1.55 25.55 17.99 1.56 26.96 19.87 1.58 28.89 20.86 1.59 30.91 21.35 1.63...
Page 65 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A COOLING Ducted Fphmr36a3a Cooling 27.43 22.02 1.70 31.05 21.99 1.74 32.75 24.30 1.74 35.10 24.94 1.76 37.55 25.92 1.78 38.72 28.70 1.79 26.93 21.48 1.85 30.47 21.45 1.87 32.15 23.70 1.88 34.45 24.88 1.90 36.86 25.46 1.94...
Page 66 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A COOLING Ducted Fphmr36a3a Cooling 29.31 23.53 1.81 33.17 23.49 1.86 34.99 25.96 1.86 37.50 26.64 1.88 40.12 27.69 1.90 41.36 30.66 1.92 28.77 22.95 1.97 32.56 22.92 1.99 34.35 25.32 2.01 36.81 26.58 2.03 39.38 27.20 2.07...
Page 67 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A COOLING Ducted Fphmr36a3a Cooling 29.65 23.80 1.84 33.56 23.77 1.88 35.39 26.26 1.88 37.93 26.95 1.90 40.58 28.01 1.92 41.84 31.02 1.94 29.11 23.22 2.00 32.93 23.18 2.02 34.75 25.61 2.04 37.24 26.89 2.06 39.84 27.52 2.09...
Page 68 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A HEATING Non-Ducted Fphmr36a3a Cooling Outdoor Air Temp. Indoor Air Temp. °F DB Indoor units(Btu) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 24.24 2.40 23.96 2.45 23.80 2.50 23.13 2.55 22.36 2.60 29.50 2.94 28.74 2.99...
Page 69 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A HEATING Non-Ducted Fphmr36a3a Cooling 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 43.19 4.15 42.12...
Page 70 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A HEATING Non-Ducted Fphmr36a3a Cooling 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 42.93 4.13 41.86...
Page 71 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A HEATING Non-Ducted Fphmr36a3a Heating 21.39 2.40 21.14 2.45 21.00 2.50 20.41 2.55 19.73 2.60 26.03 2.94 25.36 2.99 24.74 3.07 24.24 3.12 23.49 3.18 31.39 3.47 30.63 3.55 30.00 3.62 29.64 3.69 28.93 3.76 34.85 4.02 33.98...
Page 72 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A HEATING Non-Ducted Fphmr36a3a Heating 24.24 2.40 23.96 2.45 23.80 2.50 23.13 2.55 22.36 2.60 29.50 2.94 28.74 2.99 28.04 3.07 27.47 3.12 26.63 3.18 35.57 3.47 34.71 3.55 34.00 3.62 33.59 3.69 32.78 3.76 39.87 4.06 38.87...
Page 73 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A HEATING Non-Ducted Fphmr36a3a Heating 24.24 2.40 23.96 2.45 23.80 2.50 23.13 2.55 22.36 2.60 29.50 2.94 28.74 2.99 28.04 3.07 27.47 3.12 26.63 3.18 35.57 3.47 34.71 3.55 34.00 3.62 33.59 3.69 32.78 3.76 39.87 4.06 38.87...
Page 74 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A HEATING Non-Ducted Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 43.19 4.15 42.12...
Page 75 SPECIFICATIONS Capacity Characteristics Chart NON-DUCTED FPHMR36A3A HEATING Non-Ducted Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 42.34 4.07 41.29...
Page 76 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A HEATING Ducted Fphmr36a3a Heating Outdoor Air Temp. Indoor Air Temp. °F DB Indoor units(Btu) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 24.24 2.40 23.96 2.45 23.80 2.50 23.13 2.55 22.36 2.60 29.50 2.94 28.74 2.99...
Page 77 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A HEATING Ducted Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 43.10 4.15 42.02...
Page 78 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A HEATING Ducted Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 42.87 4.12 41.80...
Page 79 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A HEATING Ducted Fphmr36a3a Heating 21.39 2.40 21.14 2.45 21.00 2.50 20.41 2.55 19.73 2.60 26.03 2.94 25.36 2.99 24.74 3.07 24.24 3.12 23.49 3.18 31.39 3.47 30.63 3.55 30.00 3.62 29.64 3.69 28.93 3.76 34.80 4.02 33.93...
Page 80 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A HEATING Ducted Fphmr36a3a Heating 24.24 2.40 23.96 2.45 23.80 2.50 23.13 2.55 22.36 2.60 29.50 2.94 28.74 2.99 28.04 3.07 27.47 3.12 26.63 3.18 35.57 3.47 34.71 3.55 34.00 3.62 33.59 3.69 32.78 3.76 39.81 4.05 38.81...
Page 81 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A HEATING Ducted Fphmr36a3a Heating 24.24 2.40 23.96 2.45 23.80 2.50 23.13 2.55 22.36 2.60 29.50 2.94 28.74 2.99 28.04 3.07 27.47 3.12 26.63 3.18 35.57 3.47 34.71 3.55 34.00 3.62 33.59 3.69 32.78 3.76 39.81 4.05 38.81...
Page 82 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A HEATING Ducted Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 43.10 4.15 42.02...
Page 83 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A HEATING Ducted Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 42.28 4.07 41.22...
Page 84 SPECIFICATIONS Capacity Characteristics Chart DUCTED FPHMR36A3A HEATING Ducted Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 43.45 4.18 42.37...
Page 85 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A HEATING Mixed Fphmr36a3a Heating Outdoor Air Temp. Indoor Air Temp. °F DB Indoor units(Btu) °F DB °F WB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 24.24 2.40 23.96 2.45 23.80 2.50 23.13 2.55 22.36 2.60 29.50 2.94 28.74 2.99...
Page 86 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A HEATING Mixed Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 43.16 4.15 42.09...
Page 87 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A HEATING Mixed Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 42.90 4.13 41.83...
Page 88 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A HEATING Mixed Fphmr36a3a Heating 21.39 2.40 21.14 2.45 21.00 2.50 20.41 2.55 19.73 2.60 26.03 2.94 25.36 2.99 24.74 3.07 24.24 3.12 23.49 3.18 31.39 3.47 30.63 3.55 30.00 3.62 29.64 3.69 28.93 3.76 34.82 4.02 33.96...
Page 89 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A HEATING Mixed Fphmr36a3a Heating 24.24 2.40 23.96 2.45 23.80 2.50 23.13 2.55 22.36 2.60 29.50 2.94 28.74 2.99 28.04 3.07 27.47 3.12 26.63 3.18 35.57 3.47 34.71 3.55 34.00 3.62 33.59 3.69 32.78 3.76 39.84 4.06 38.84...
Page 90 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A HEATING Mixed Fphmr36a3a Heating 24.24 2.40 23.96 2.45 23.80 2.50 23.13 2.55 22.36 2.60 29.50 2.94 28.74 2.99 28.04 3.07 27.47 3.12 26.63 3.18 35.57 3.47 34.71 3.55 34.00 3.62 33.59 3.69 32.78 3.76 39.84 4.06 38.84...
Page 91 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A HEATING Mixed Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 43.16 4.15 42.09...
Page 92 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A HEATING Mixed Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 42.31 4.07 41.26...
Page 93 SPECIFICATIONS Capacity Characteristics Chart MIXED FPHMR36A3A HEATING Mixed Fphmr36a3a Heating 25.67 2.40 25.37 2.45 25.20 2.50 24.50 2.55 23.67 2.60 31.24 2.94 30.43 2.99 29.69 3.07 29.09 3.12 28.19 3.18 37.67 3.47 36.75 3.55 36.00 3.62 35.57 3.69 34.71 3.76 43.49 4.18 42.40...
Page 94 SPECIFICATIONS Capacities and selection data Capacity Characteristics Chart Single Zone Cassette "The Insider" - Concealed Ducted Cooling Capacity Table Indoor Air Temp. °F DB / °F WB Outdoor Model Air Temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75...
Page 95 SPECIFICATIONS Capacity Characteristics Chart Capacities and selection data Single Zone Cassette Cooling Capacity Table Indoor Air Temp. °F DB / °F WB Outdoor Model Air Temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (Btu/h) (°F DB)
Page 96 SPECIFICATIONS Capacity Characteristics Chart Capacities and selection data Single Zone Cassette Cooling Capacity Table Indoor Air Temp. °F DB / °F WB Outdoor Model Air Temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (Btu/h) (°F DB)
Page 97 SPECIFICATIONS Capacity Characteristics Chart Capacities and selection data Single Zone Cassette Cooling Capacity Table Indoor Air Temp. °F DB / °F WB Outdoor Model Air Temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (Btu/h) (°F DB)
Page 98 SPECIFICATIONS Capacity Characteristics Chart Capacities and selection data Single Zone Cassette Cooling Capacity Table Indoor Air Temp. °F DB / °F WB Outdoor Model Air Temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (Btu/h) (°F DB)
Page 99 SPECIFICATIONS Capacities and selection data Capacity Characteristics Chart Single Zone Cassette Cassette Cooling Capacity Table Indoor Air Temp. °F DB / °F WB Outdoor Model Air Temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (Btu/h) (°F DB)
Page 100 SPECIFICATIONS Capacity Characteristics Chart Capacities and selection data Single Zone Cassette Cooling Capacity Table Indoor Air Temp. °F DB / °F WB Outdoor Model Air Temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (Btu/h) (°F DB)
Page 101 SPECIFICATIONS Capacity Characteristics Chart Capacities and selection data Single Zone Cassette Cooling Capacity Table Indoor Air Temp. °F DB / °F WB Outdoor Model Air Temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (Btu/h) (°F DB)
Page 102 SPECIFICATIONS Capacity Characteristics Chart Capacities and selection data Single Zone Cassette Cooling Capacity Table Indoor Air Temp. °F DB / °F WB Outdoor Model Air Temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (Btu/h) (°F DB)
Page 103 SPECIFICATIONS Capacity Characteristics Chart Capacities and selection data Single Zone Cassette Cooling Capacity Table Indoor Air Temp. °F DB / °F WB Outdoor Model Air Temp. 68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75 (Btu/h) (°F DB)
Page 104 SPECIFICATIONS Sound Pressure Data 24k and 36k Outdoor Units Model Model 3.28ft (1.0m) ahead of the unit; 1.79ft 3.28ft( 1.0m ) ahead of the unit; (0.546m) high from the bottom of the Test condition Test condition 3ft(0.92m ) high from the bottom of the unit;3.28ft (1.0m) high from the ground unit;...
Page 105 SPECIFICATIONS Sound Pressure Data Indoor Ducted Units Units Model Model Test condition 4.6ft(1. 4m) under the unit; 3.3ft(1 .0m) high from the ground Test condition 4.6ft(1.4m) under the unit; 3.3ft(1.0m) high from the ground NC-70 NC-70 NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50...
Page 106 SPECIFICATIONS Sound Pressure Data Cassettes Model Model Test condition 4.6ft(1.4m) under the unit; 3.3ft(1.0m) high from the ground 4.6ft(1.4m) under the unit; 3.3ft(1.0m) high from the ground Test condition NC-70 NC-70 NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40...
Page 107 SPECIFICATIONS Sound Pressure Data Cassettes Model Test condition 4.6ft(1.4m) under the unit; 3.3ft(1.0m) high from the ground NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 NC-15 Octave band center frequency(Hz)
Page 108 SPECIFICATIONS Air Flow Distribution 24k Cassette 1) Coo ling/ Air Velocity Distribution 2) Cooling/ Air Temperature Distribution 3) Heating/ Air Velocity Distribution 4) He ating/ Air Temperature Distribution...
Page 109 SPECIFICATIONS ESP (External Static Pressure) chart (Duct Type) 9k Standard E SP Chart ( 0 Pa) 0.24 (60) 0.2 (50) Limit High 0.16(40) Middle 0.12(30) Rated 0.08(20) Middle High 0.04(10) 14 0 21 0 28 0 42 0 (CFM) High E SP Chart (5 0 Pa) 0.4 (100) 0.36 (90) 0.32 (80)
Page 110 SPECIFICATIONS ESP (External Static Pressure) chart (Duct Type) 12k Standard E SP Chart ( 0 Pa) 0.32(80) 0.28 (70) limit Limit 0.24 (60) High 0.2 (50) Middle High 0.16 (40) Middle Rated 0.12 (30) 0.08 (20) 0.04 (10) Rated 14 0 (CFM) High E SP Chart (5 0 Pa) 0.4 (100)
Page 111 SPECIFICATIONS ESP (External Static Pressure) chart (Duct Type) 18k Standard E SP Chart ( 0 Pa) 0.20 (50) 0.18 (45) 0.16 (40) Limit High 0.14 (35) Middle 0.12 (30) 0.10 (25) 0.08 (20) Middle Rated High 0.06 (15) 0.04 (10) 0.02 (5) Airﬂow rate (CFM) High E SP Chart (5 0 Pa)
Page 112 SPECIFICATIONS Refrigerant Cycle 24k and 36k Outdoor Units 36 K Ambient Temperature Sensor Ambient Temperature Water Level Switch Ambient Temperature Water Level Switch Mufﬂer Liquid Stop Volve High Pressure Ambient Temperature Switch Liquid Temperature Water Level Switch Sencor Mufﬂer 4-Way Valve Pressure Ambient Temperature Switch...
Page 113 SPECIFICATIONS Common wiring Electrical Requirements 24k and 36k Outdoor Units Electrical wiring diagram Outdoor unit Terminal Important: Wiring for wall mounted units Terminal A 1(L) 1(L) Power connecting cord Indoor unit A 2(N) 2(N) Terminal Outdoor unit Indoor unit 4(SI) 4(SI) Power connecting cord 3(SI)
Page 114 SPECIFICATIONS Electrical Requirements 24k and 36k Outdoor Units (1) Follow local codes and regulations when selecting wire size and breakers IMPORTANT covered part Stranded wire 1. When connecting the terminal block using stranded wire, make Round crimp- style terminal sure to use a round crimp-style terminal for connection to the power supply terminal block.
Page 115 CORRECTION FACTORS Piping Length Correctiion Factor Piping length correction factor Pipe length L Indoor unit Height difference H Outdoor unit Th e correction facto r is base d on the equi valent piping length in feet (EL ) and the height between outdoor and indoor units in feet (H).
Page 116 CORRECTION FACTORS Piping Length Factor Chart The correction factor of height between each indoor unit and outdoor unit 16ft(5m) 32.8ft( 10m) 49ft(15m) 66ft(20m ) 82ft(25m ) 98ft(30m ) 0.95 0.88 0.75 To ensure correc t unit selec tion, co nsider the farthest indoo r unit. NOT E : The above data re ects that the minimum height requirements have been meet or exceeded height di erence between the indoor and outdoor unit is based...
Page 117 CORRECTION FACTORS Piping Length Correctiion Factor Correction factors according to defrosting operation The heating capacity in the preceding paragraph excludes the condition of the frost or the or the defrosting operation period. In consideration of the frost or the defrosting operation, the heating capacity is corrected by the equation below.
Page 118 OPERATION Display Panel D isplay panel D uct Type C assette Type 5 4 3 D escription 1 Run indicator (Red) It lights on during operation. It lights off during SLEEP mode. 2 Emergency switch The ﬁlter clean indicator is reset when the switch is pressed. The unit will be started or stopped when the switch is pressed.
Page 119 OPERATION Figure 301 Remote Control Operation and Function...
Page 120 OPERATION Remote Technical Parameters Remote receiver distance (front of the air conditioner): 26ft. Remote receiver angle: Less than 60 degrees. Temperature control accuracy: ±2.4°F. Time Response: Less than 1 second. Display Functions Remote Current control functions on the remote controller (See unit’s “Installation and Operating Manual”) Display of the indoor unit displays set temperature or indoor temperature.
Page 121 OPERATION Using Sleep during Off-Timer Function When using Sleep mode, if the next OFF‑Timer setting less than 8 hours, Sleep mode will remain active until the OFF‑Timer setting. If the next OFF‑Timer setting more than 8 hours, it will override the OFF‑Timer setting and will turn the system off 8 hours after engaging Sleep mode.
Page 122 OPERATION Air flow direction (Louvers) control The louver is operated by a stepper motor and operates the horizontal swing of the louver automatically. Press the SWING button to start or stop the louver swing. During the louver swing in normal operation, the current position will be stored. When the appliance turn off and louver swing automatically to the default position, it will position at the close position plus 5º.
Page 123 OPERATION Dehumidification mode Dehumidifying area I: Operation at the frequency in the range (30–60Hz) according to DeltaT (difference between ambient and indoor temperature). Dehumidifying area II: The compressor stops for 5 minutes and operators for 5 minutes at the lowest frequency. (Hz) Deltat(°F)
Page 124 OPERATION Fan Only Mode Operation In this mode, the compressor and outdoor fan stop, indoor fan operates under the pre‑setting of air volume, the louver swing, and the indoor fan speed is defaulted to the current setting in as the Heating Mode. Defrost Conditions for Defrost Activation: The following three conditions must be met to activate Defrost.
Page 125 OPERATION Control Mode (Indoor Unit Mode Control) General Technical Parameters Remote to receiver distance: 26 ft (8m). Remote receiver angle: Less than 80 degrees. Temperature control accuracy: ± 33.8°F (1°C) Time error: Less than 1%. Emergency Switch Pressing the emergency button will activate the automatic mode of operation. Press the button to turn it on and press it again to turn it off.
Page 126 OPERATION 18K, 24k and 36k Control Mode 1. Cooling Anti-freeze Protection To prevent freezing caused by too low temperature of indoor evaporator, the air conditioner will implement real‑time detection over the indoor coil temperature. If the indoor coil temperature is too low, the compressor will be prohibited from increasing or decreasing the frequency or shutting down automatically.
Page 127 OPERATION 24k and 36k Control Mode 7. Outdoor four-way Valve Control Four‑way valve of the outdoor machine shuts down when cooling but starts when heating. The operation of heating defrosting refers to defrosting operation and, when the heating remote shutdown, the four‑way valve disconnects in 50s when the compressor stops working.
Page 128 OPERATION 24k and 36k Control Mode Fan Only Mode (1) Outdoor fan and compressor stop. (2) Temperature setting function is disabled, and no setting temperature is displayed. (3) Indoor fan can be set to high/medium/low, but can not be set to auto. Cooling Mode Indoor fan logic: Runs all the time and the speed can be selected as...
Page 129 OPERATION Control Logic Description Heating Mode Indoor fan: The fan of the indoor unit will not run until the heat exchanger of the indoor unit reaches a high enough temperature. This prevents cold air blowing into the space. After the indoor coil reaches adequate temperature, the speed can be selected as high, medium, low, or auto.
Page 130 OPERATION Control Logic Description Auto Mode This mode can be chosen with remote controller and the setting temperature can be changed between 61°F~86°F(16°C~30 In auto mode, the machi ne will choos e cooling, heatin g or fan-only mode according to T ( T =T1 -Ts).
Page 131 OPERATION Control Logic Description Condenser High-temperature Protection TE1 0 TE1 1 Conditions: Cooling mode: The outdoor coil temperature (T3) is high than TE7 (logical calculation between 142F and 150F) for 10 seconds, the compressor and outdoor fan will shit o . Operation will resume when the outdoor coil temperature (T3) drops below TE8 (logical calculation between 120F-130F) Hea ting mode: The indoor coil temperature (T3) is lower than TE7 (logical calculation between 35F and 40F)
Page 132 INSTALLATION Outdoor Units Fig. 432 Fig. 433...
Page 133 INSTALLATION 24 and 36k Outdoor Units Piping Work and Refigerant Charge M M AX. leng g th allow e e d Indoor unit Pipe length D Outdoor unit Pipe length A Note: Indoor unit D in the circle is only valid for 36K model. *Refrigerant Additional Charge: The unit has been filled with refrigerant, but if L (total pipe length) exceeds standard length, additional refrigerant (R410A) change is required.
Page 134 Indoor unit D in the circle is only valid for 36K model. Refrigerant Additional Charge The unit has been ﬁlled with refrigerant, but if L (total pipe length) exceeds standard length, additional refrigerant (R410A) change is required. For 24K: Additional refrigerant charge=[L-74-4/5(22.8m) ]×...
Page 135 Leak Check, Evacuation, and Charging (Triple Evacuation) Friedrich requires all installations are Leak Checked and Evacuated in accordance to the “triple evacuation” process. This process promotes a dry tight refrigeration system before opening the service valves. It recommended that a single port refrigeration manifold and hoses rated over 31.5psi be used.
Page 136 INSTALLATION Leak Check, Evacuation, and Charging (Triple Evacuation) EVACUATE BREAK VACUUM WITH DRY NITROGEN WAIT EVACUATE BREAK VACUUM WITH DRY NITROGEN WAIT EVACUATE CHECK FOR TIGHT, DRY SYSTEM (IF IT HOLDS A VACUUM) CHARGE SYSTEM...
Page 137 INSTALLATION Checklist Check Unit following Installation Items to be checked Possible malfunction Has the unit been The unit may drop, shake or installed ﬁrmly? emit noise. Have you done the It may cause insufﬁcient cooling refrigerant leakage test? (heating) capacity. Is heat insulation of It may cause condensation and pipeline sufﬁcient?
Page 138 INSTALLATION Operation Test Test Operation System Checks 1. Conceal refrigerant pipes where possible. 2. Make sure drain hose slopes downward along entire length. 3. Ensure all refrigerant pipes and connections are properly insulated. 4. Fasten pipes to outside wall, when possible. 5.
Page 139 INSTALLATION Fresh Air Intake Duct (9K~18K) Indoor unit can take fresh air from the reserved fresh air intake, the size of the fresh air intake hole is Φ2-1/2 in.(Φ65mm) (9K~18K). Please follow the steps below when needed. 1) Cut off the reserved metal circular hole on the base board. 2) Connect air duct with the fresh air intake.
Page 140 MAINTENANCE...
Page 141 MAINTENANCE The following is a deep cleaning and must be completed by a professional. Usera are strictly forbidden operate privately, otherwise they will be at their own risk. Cut off the power supply by moving the power switch In the dlnictlon of the arrow.
Page 142 MAINTENANCE L'.h The followlng 18 a deep cleanlng and must be completed by a professlonal. L'.h Users ara strlctly forbidden to operate prlvately, otherwise they wlll be at their own risk. Remove the acrews of the air duct. (G poaltlon and H poaltlon) screws.
Page 143 R-410A SEALED SYSTEM REPAIR Service Valves Appearance 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Valve cap Hexagonal wrench (4mm) Open position Flare nut Flare nut Closed position Open position Closed position piping piping Service Service connection connection port cap port To outdoor unit To outdoor unit...
Page 144 R-410A SEALED SYSTEM REPAIR Pumping Down Liquid side Indoor unit Outdoor unit Open 2-Way valve Gas side Closed 3-Way valve CLOSE CLOSE Purge the air Fig. 505 – Do this quickly so that the gauge ends up indicating 0-15 PSI. –...
Page 145 R-410A SEALED SYSTEM REPAIR Gas Charging (After Repair) Liquid side Indoor unit Outdoor unit 3-Way valve Open Gas side 3-Way valve Open OPEN CLOSE Fig. 506 This is different from previous procedures. – Connect the charge hose which you dis-connected from the Because you are charging with liquid refrigerant vacuum pump to the valve at the bottom of the cylinder.
Page 146 R-410A SEALED SYSTEM REPAIR Replace 24k Outdoor unit Compressor and Motor Important: Befor e disassembly and assembl y, mak e sure that the power to the system has been disconnect ed and veriﬁed as voltage free. Step Illustration Handling Instruction 1.
Page 147 R-410A SEALED SYSTEM REPAIR Replace 36k Outdoor unit Compressor and Motor Important: Before disassembly and assembly, make sure that the power to the system has been disconnected and veriﬁed as voltage free. Step Illustration Handling Instruction 1. Remove the top cover, 1.
Page 148 R-410A SEALED SYSTEM REPAIR Replace 9k and 12k Duct Type unit Compressor and Motor Removal and Assembly of Fan Motor Important: Before removing the fan, make sure power to the system is disconnected. Step Illustration Handling Instruction Use screwdriver to remove the 1.
Page 149 R-410A SEALED SYSTEM REPAIR Replace 18k Duct Type unit Compressor and Motor Removal and Assembly of F an Motor Important: Before removing the fan, make sure power to the system is disconnected. Step Illustration Handlin g Instruction Use screwdriver to remove the 1.
Page 150 R-410A SEALED SYSTEM REPAIR Replace 9k, 12k, and18k Cassette Replacement of F an Motor Illustration Step Handli ng Instruction 1. Loose n the screws Use screwdriver to loos en the screws holding the holding condensate pan . drain pa n in place. 2.
Page 151 R-410A SEALED SYSTEM REPAIR Replace 9k, 12k, and18k Cassette Replacement of F an Motor Illustration Step Handli ng Instruction 6. Remov e the motor Remov e the motor and and replac e it replace it. 7. Tighten the bolts wrench holding the motor socket carefully...
Page 152 R-410A SEALED SYSTEM REPAIR Replace 9k, 12k, and18k Cassette Removal and Installation of Condensate Pump Step Illustration Handli ng Instruction Use screwdriver to loosen 1. Loose n the screws screws holding the holding condensat e pan . drain pan in place. 2.
Page 153 R-410A SEALED SYSTEM REPAIR Replace 24k and 36k Cassette Compesdsor and Motor Step Illustration Handling Instruction 1. Loosen the screws Use screwdriver to loosen the Electric box. holding the electric box cover and electric box. 2. Loosen the screws Use screwdriver to loosen the screws holding the drain holding condensat e pan pan in place.
Page 154 COMPONENTS TESTING Resistance Table Of Indoor Coil And Indoor Room Sensor The Parameter Of The Outdoor Coil And Outdoor Sensor: Temp. Resistance Voltage Temp. Resistance Voltage Temp. Resistance Voltage (°F) (kΩ) (°F) (kΩ) (°F) (kΩ) ‑4 38.757 0.58143512 64.4 7.051 2.09859271 132.8 1.877...
Page 155 COMPONENTS TESTING Resistance Table Of Outdoor Compressor Temperature Sensor R(0)=187.25k B(0100)=3979 Temp. Resistance Voltage Temp. Resistance Voltage Temp. Resistance Voltage (°F) (kΩ) (°F) (kΩ) (°F) (kΩ) ‑4 542.867 0.06185563 64.4 78.854 0.39694585 132.8 6.624 2.532777116 ‑2.2 512.839 0.06543004 66.2 75.381 0.41372093 134.6 6.414...
Page 156 COMPONENTS TESTING OUTDOOR COMPRESSOR DISCHARGE TEMPERATURE =187.25K±6.3% ；R =3.77K±2.5K ；B0/100=3979K±1% ）（R T [°F ] R min [ K R nom [ K R max [ K D R (MIN)% D R (MAX )% 908.2603 985.5274 1065.1210 -7.84 7.47 855.3955 927.6043 1001.9150 -7.78...
Page 157 COMPONENTS TESTING R min [ K R nom [ K R max [ K D R (MIN)% D R (MAX )% T [°F ] 71.2227 75.3122 79.3848 -5.43 5.13 68.1036 71.9808 75.8414 -5.39 5.09 65.1373 68.8141 72.4746 -5.34 5.05 62.3155 65.8032 69.2746 -5.30...
Page 158 COMPONENTS TESTING ºC R min [ K R nom [ K R max [ K D R (MIN)% D R (MAX )% T [°F ] 8.0951 8.3705 8.6440 -3.29 3.16 7.8290 8.0926 8.3544 -3.26 3.13 7.5730 7.8252 8.0758 -3.22 3.10 7.3264 7.5679 7.8078...
Page 159 COMPONENTS TESTING AMBIENT AIR SENSOR IN INDOOR AND OUTDOOR UNIT ： =15K±2% ；B0/100=3450K±2% ）（R R min [ K R nom [ K R max [ K D R (MIN)% D R (MAX )% T [°F ] T [ºC ] 60.78 64.77 68.99...
Page 160 COMPONENTS TESTING °C T [°F ] R min [ K R nom [ K R max [ K D R (MIN)% D R (MAX )% 5.667 5.882 6.103 -3.66 3.62 5.449 5.664 5.886 -3.80 3.77 5.240 5.456 5.678 -3.96 3.91 5.048 5.260 5.478...
Page 161 COMPONENTS TESTING ºC T [°F ] R min [ K R nom [ K R max [ K D R (MIN)% D R (MAX )% 0.8570 0.9246 0.9971 -7.31 7.27 0.8316 0.8977 0.9687 -7.36 7.33 0.8071 0.8717 0.9412 -7.41 7.38 0.7834 0.8466 0.9146...
Page 162 COMPONENTS TESTING Compressor OVERLOAD PROT ECTION INVERTER POWER & CONTROLLER Fig. 603 Resistance Test. The compressor is at fault if the resistance of winding is 0 (short circuit)or ∞ open circuit. Common signs compressor is faulty: • Compressor motor lock. •...
Page 163 COMPONENTS TESTING Fan Motor Fig. 605...
Page 164 COMPONENTS TESTING Fan Motor Resistance Test. Test the resistance of the main winding. The indoor fan motor is faulted if the resistance of main winding 0 (short circuit)or ∞ open circuit. DC Voltage test Manually rotate indoor fan motor slowly for several revolutions, and measure voltage “YELLOW” and “GND” on motor. The voltage repeats 0V DC and 5V DC.
Page 165 COMPONENTS TESTING Test Fan Motor and Compressor (Outdoor 24k and 36k) Fan motor ompressor DC Inverter & Power Controller Compressor...
Page 166 COMPONENTS TESTING Test Fan Motor and Compressor Test the resistance of the winding. The compressoris faulted if the resistance of winding is 0(short c ircuit)or∞（open circuit ） Typical Symptoms Compressor motor lock. Discharge pressure value approaches static pressure value . Compressor phases are not equal (+/- 0.1Ohm).
Page 167 COMPONENTS TESTING Check Refrigerant System (Outdoor 24k and 36k) TEST SYSTEM FLOW Conditions: ① Compressor is running. ② Th e air condition should be in stalled in good ventilation. Tool: Pressure Gauge Technique: ① see ② feel ③ test ----- Tube defrost.
Page 168 COMPONENTS TESTING Test System Flow (Outdoor 24k and 36k) Cooling mode Test system The pressure on the pressure.Does the low high side. pressure normal at service part ? Recharge refrigerant after air purging with If the pressure is The pressure on the the vacuum close to static low side.
Page 169 COMPONENTS TESTING Check Fuse and Capacitor Checking continuity of fuse on PCB ASS’Y. Remove the PCB ASS’Y from the electrical component box. Then pull out the fuse from the PCB ASS’Y (Fig.1) Fuse PCB Ass'Y Fig.1 2) Check for continuity by a multimeter as shown in Fig.2. Fuse Fig.2 .CAPACITOR...
Page 170 COMPONENTS TESTING 7k Indoor Wall Mount Printed Circuit Board Interface of PG motor Room temperature sensor Pipe temperature sensor Switch button Feedback from PG motor Up（down swing Left（right swing Wiring control or wifi interface Display interface 10 Protective tube Figure 701 7k Indoor Unit Printed Circuit Board Identification Interface of PG motor...
Page 171 COMPONENTS TESTING Ducted units and Cassettes Printed Circuit Board (Indoor Units) Duct 9K~18K Hea t Output1 Step Motor Ambient Temp Coil Temp Water level switch DC Fan Humidity Swin g Wiﬁ Pump Wired L、N Power Input Output2 DISP DISP Nano Cassette 9K~36K Main control component...
Page 172 COMPONENTS TESTING 24k Outdoor Main Printed Circuit Board sensor sens or 24k Outdoor Drive Printed Circuit Board sensor sens or...
Page 173 COMPONENTS TESTING 36k Outdoor Main Printed Circuit Board Main control board Electronic LiqA / GasA LiqC / GasC Electronic Electronic Compressor expansion / LiqB / Gas / LiqD / Gas expansion IPM-SI expansion overheat valve C B sensor D sensor valve A valve B Main control board...
Page 174 COMPONENTS TESTING Field Settings (ESP Setting) Duct Type Only The static pressure can be freely adjusted by using speciﬁc wire remote controller. Model The range of Error Indicator (Capacity Function code set static pressure Btu/h) Parameter Code 0-50, more than 50 is 0-0.015 in.Hg 0.015 in.Hg (50 Pa), 9K/12K/18K...
Page 175 COMPONENTS TESTING Field Settings (Indoor Unit Parameter Revision) 1. Connect wire remote controller with indoor unit Step 1: Remo ving the upper cover of the wired controller Upper cover of the wired controller Lower cover of the wired controller Insert a normal screw driver into the position, and gently rotate it.
Page 176 COMPONENTS TESTING Field Settings (Indoor Unit Parameter Revision) PAR AME TE R VALUE &R E PR E S E NTATIO N PAR AME TE R PAR AME TE R NO TE D ATA R E PR E SE NTATIO N C O D E D E SC R IPTIO N TY PE...
Page 177 COMPONENTS TESTING Field Settings (Running Parameter Query) Running Parameter Query Running parameters can be referred to by digital tube switch or speciﬁed wired remote control. Operation: 1. Connect wired remote controller with indoor unit (same method as indoor parameter revise. 2.
Page 178 COMPONENTS TESTING Field Settings (Running Parameter Query) D igital D isplay Switch Introduction It can be used to check outdoor running parameters. ： There are 3 buttons on the digital display board 1） SWITCH button ：Indoor parameters and outdoor parameters can be selected in turn by pressing it. “P.”-outdoor unit parameter , “H.”-indoor unit parameter；...
Page 179 COMPONENTS TESTING Field Settings (Running Parameter Query) Parameters can be checked as following table below. Parameter D escriptions code Protect Code or Fault code Target Frequency Driving Frequency Outdoor EEV Opening Outdoor EEV Target Opening Upper DC Motor Revolving Speed AC Input Voltage Current P.10...
Page 180 COMPONENTS TESTING Field Settings (Function Settings) Instructions for the function setting of acces s control, ﬁre protection , ON/OFF 1. Factory setting ON/OFF function is disabled a s factory default while both the access control and fire protectio n functions are enabled. To use or cancel the ac cess control / ﬁre protection / (ON/O FF ) function , use the wired controller to modify the parameter s of indoo r unit.
Page 181 COMPONENTS TESTING Field Settings (Function Settings) When using the do or lock function, the red wire should be c ut and connect ed to the door lock control switch attached t o it (supplied by user), an d the connecting wire should be 22AWG or ab ove.
Page 182 COMPONENTS TESTING Field Settings (Outdoor 24k and 36k) DIP Settings Dip Switch Setting of Outdoor Unit Mark of " " indicates the position of dip switches. Switch is valid when is ON. function By default se tting is OFF. OFF ----normal mode ON ----refrigerant collection mode When the power is ON, the dial changed from OFF to ON, enters into refrigerant collection mode.
Page 183 COMPONENTS TESTING Field Settings (Outdoor 24k and 36k) Running Parameter Query Outdoor Running parameters can be checked by 7 segment display. 7 segment display Digital Display Switch Outdoor control board ● ● ● Decrease Select Increase There are 3 buttons on the digital display board ： 1) Sel ect button: Select to display outdoor/indoor unit parameter.
Page 184 COMPONENTS TESTING Field Settings (Outdoor 24k and 36k) Paramet er Descriptions Dual Trio Quattro ● ● ● Fault codes ● ● ● Compressor actual frequency ● ● ● Compressor driving frequency ● ● ● Compressor target frequency ● ● ● Compressor exhaust temperature ●...
Page 185 ● ● ● Unit A actual suction overheating A.11 ● ● ● Unit B fault codes ● ● ● Unit B valve actual opening ● ● ● Unit B liquid pipe temperature ● ● ● Unit B gas pipe temperature ●...
Page 186 TROUBLESHOOTING Test the jumper terminals Note: When the whole machine is powered up, if the external unit does not work, to rule out the communications failures, adopt screening method such as short circuit on the jumper terminals to see if the external unit can be started normally or similar method. There are two blue terminals on the outdoor control panel, as shown above.
Page 187 TROUBLESHOOTING Protection Circuit Fault Isolation Protection diagnosis of the complete machine (all types of protection during operation, i.e. under-voltage, over-voltage and overcurrent protection) Note:List all types of protection that may occur to the complete machine and describe the conditions and signs of the start, course and end of such protection.
Page 188 TROUBLESHOOTING Compressor Fault Isolation Judging the connecting terminals of inverter compressor: It is impossible to identify terminals U, V and W of inverter compressor with multi‑meter. Just connect the terminals in the same way as the original unit when replacing the compressor. A wrong connection will lead to reverse and loud noise of the compressor. Resistance of compressor coil: Measure the resistance between any two terminals, which are about a few Ohms, three phases having the same resistance Electric FIlter Board Fault Isolation...
Page 189 TROUBLESHOOTING Fault Codes (2) Fault codes indicated by LED lamps on display panel Lamp RUN(LED2 ,red) and Lamp DEFROS T（LED5 ,green）ﬂashing ，Lamp RUN display fault code ten digit number, lamp DEFROST disp lay fault code single digit number (as shown ﬁg.
Page 190 TROUBLESHOOTING The following is the fault code table of indoor. Indoor Fault Code Sheet 2 Indoor Fault code Fault Fault Description Possible Reason of Abnormality How to Deal With Re marks code 1.1 Check whether there are something to block the drain hose or the height of the 1.
Page 191 TROUBLESHOOTING Indoor Fault Code Fault Fault Description Possible Reason of Abnormalit y How to Deal With Re marks code EE in MCU is failure, the unit Indoor EEPROM run, but the function user has set Replace EE data in MCU. Data 2 error is ineffective.
Page 192 TROUBLESHOOTING 18K, 24k and 36k outdoor Fault Codes Trouble Shooting Guide When the air conditioner failure occurs, the fault code will displays on control board. Ma in control failure Fault code will display on segment display on outdoor c ontrol board. Drive fault code display The lamp of drive board ﬂash shows failure occur.
Page 193 TROUBLESHOOTING 18K, 24k and 36k outdoor Fault Codes 13 .2 Fa ult codes The following is the fault code table of outdoor. Sheet 1 Outdoor Fault Code Fault Fault D escription Possible R eason of Abnormality How to D eal With R E MAR KS code 1.Reconnect the outdoor...
Page 194 TROUBLESHOOTING 18K, 24k and 36k outdoor Fault Codes Fault Fault D escription Possible R eason of Abnormality How to D eal With R E MAR KS code 1. Normally protection Three-phase power is abnormal; Application of 2. Check the wiring connection The outdoor wiring connect wrong;...
Page 195 TROUBLESHOOTING 18K, 24k and 36k outdoor Fault Codes Fault Fault D escription Possible Reason of A bnormality How to Deal W ith Remarks code 1. Reconnect the wiring of the 1. The wiring of the sensor for the sensor for the expansion valve expansion valve B (thin tube) B(thin tube);...
Page 196 TROUBLESHOOTING 18K, 24k and 36k outdoor Fault Codes Fault Fault D escription Possible R eason of Abnormality How to D eal With R E MAR KS code 1.The cable between the control 1.Reconnect the cable between board and the driver board the control board and the connect loose;...
Page 197 TROUBLESHOOTING 18K, 24k and 36k outdoor NOTE 1: If the indoor unit can not turn on or the indoor unit turns itself off after 30s, and at the same time the unit does not display the fault code, please check the ﬁre and the socket of the control board. Note 2: If the indoor unit display the 75,76,77,78 fault code after you turn on the unit, please check the TEST seat of the indoor control board or the TEST detection circuit whether exists short circuit.
Page 198 TROUBLESHOOTING 18K, 24k and 36k outdoor Fault Fault Description Possible Reason of Abnormality How to De al With code...
Page 199 TROUBLESHOOTING 18K, 24k and 36k outdoor Fault Fault Description Possible Reason of Abnormality How to De al With code too low...
Page 200 WIRING DIAGRAMS 7k Wall Units...
Page 201 WIRING DIAGRAMS Ducted Indoor Units 9k, 12k, and 18k Remark: Dashed parts are not available in some models. Details see the table below. Wired ON/OFF Step Pump WIFI NANOE Display Indoor units model Humidity remote output motor motor Module Module board Duct controller...
Page 202 WIRING DIAGRAMS 9k-36k Indoor Cassette Units Remark: Dashed part s are not available in some models. Details see the table below. Pump WIFI Display Wire remote ON/OFF Step motor Indoor units model motor module board controller output Cassette 9K~36K ● ●...
Page 203 WIRING DIAGRAMS 24k Outdoor Units...
Page 204 WIRING DIAGRAMS 36k Outdoor Units...
Page 205 PARTS CATALOG 18K Outdoor Condensor...
Page 206 PARTS CATALOG 18K Outdoor Condensor...
Page 207 PARTS CATALOG 18K Outdoor Condensor...
Page 208 PARTS CATALOG 18K Outdoor Condensor FIGURE 902 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL 67401011 Fan Guard FPHMR18A3A 67401012 Panel FPHMR18A3A 67401013 Hex Nuts FPHMR18A3A 67401014 Propeller Fan Blade FPHMR18A3A 67401015 Axis Sheath FPHMR18A3A 67400296 DC Motor FPHMR18A3A 67401016...
Page 209 PARTS CATALOG 18K Outdoor Condensor FIGURE 902 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL 67401043 Radiator FPHMR18A3A 67401044 Electric Box FPHMR18A3A 67401045 Terminal Connecting Board FPHMR18A3A 67400365 Connection Terminal Panel FPHMR18A3A 67401046 Diplay Mounting Plate FPHMR18A3A 67401047 Power Terminal Panel...
Page 210 PARTS CATALOG 24K Outdoor Condensor C-4x12 Figure 901A...
Page 211 PARTS CATALOG 24K Outdoor Condensor 1 ' 1 - - - � i � - - - - � --- .._ '< __ _ _ � L - -- ..Figure 901B...
Page 212 PARTS CATALOG 24K Outdoor Condensor c.t x12 Figure 901C...
Page 213 PARTS CATALOG 24K Outdoor Condensor FIGURE 902 ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67400388 fan guard FPHMR24A3A 67400336 front panel FPHMR24A3A 67400337 Left guard filter FPHMR24A3A 67400998 mounting plate FPHMR24A3A 67400999 Welding hex nuts FPHMR24A3A 67400340 propeller fan FPHMR24A3A 67400341 FAN MOTOR...
Page 214 PARTS CATALOG 24K Outdoor Condensor FIGURE 902 ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67400932 discharge tube assy FPHMR24A3A 67400369 4‑way valve assembly FPHMR24A3A 67400933 mounting plate FPHMR24A3A 67400370 Driver board FPHMR24A3A 67400371 Outdoor Main Control Board FPHMR24A3A Component 67400372 Filter board FPHMR24A3A...
Page 215 PARTS CATALOG 36K Outdoor Condensor � "' � ... , 11, ... - ' - � - � " - ---- � - --- i i r- - - �� % l _ , � _.,,,. - � � ..
Page 216 PARTS CATALOG 36K Outdoor Condensor � "' Figure 902B...
Page 217 PARTS CATALOG 36K Outdoor Condensor Figure 902C...
Page 218 PARTS CATALOG 36K Outdoor Condensor FIGURE 902 ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67400380 Guard Filter FPHMR36A3A 67400381 Upper Board FPHMR36A3A 67401232 Motor Supporter FPHMR36A3A 67400383 DC Motor FPHMR36A3A 67400384 Propeller Fan Blade FPHMR36A3A 67400385 Welding Hex Nuts FPHMR36A3A 67400386 Mounting Plate...
Page 219 PARTS CATALOG 36K Outdoor Condensor FIGURE 902 ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67400944 Base Holder Part FPHMR36A3A 67400945 Mounting Plate FPHMR36A3A 67400400 Crankcase Heater FPHMR36A3A 67400401 Noise‑Insulation Cotton FPHMR36A3A 67400946 supporting component FPHMR36A3A 67400922 fixed board FPHMR36A3A 67400402 Tube type electric heater FPHMR36A3A...
Page 220 PARTS CATALOG 7k Wall Mounted Indoor Unit ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67400571 1959683 ‑ installation plate FPHMW07A3A 67400572 1959764 ‑ Supporting button FPHMW07A3A 67400573 2008502 ‑ Refrigeration system FPHMW07A3A 67400154 1466014 ‑ cross‑flow fan blade FPHMW07A3A 67400155 1223739 ‑...
Page 221 PARTS CATALOG 7k Wall Mounted Indoor Unit ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67400588 4113865 ‑ panel FPHMW07A3A 67400589 1964953 ‑ Motor bracket FPHMW07A3A 67400590 1964954 ‑ motor cover FPHMW07A3A 67400591 1964950 ‑ center staff FPHMW07A3A 67400592 1964956 ‑ motor cover FPHMW07A3A 67400174 1260259 ‑...
Page 222 PARTS CATALOG 9K, 12K Indoor Cassette B-M4x08 • Figure 904...
Page 223 PARTS CATALOG 9K, 12K Indoor Cassette ITEM PART PART DESCRIPTION USED ON MODEL NUMBER FIGURE 904 67400976 Air guiding plate FPHC09A3A, FPHC12A3A 67400977 Water drain tube FPHC09A3A, FPHC12A3A 67400425 Centrifugal fan blade FPHC09A3A, FPHC12A3A 67400426 DC motor FPHC09A3A, FPHC12A3A 67400843 Fixed board FPHC09A3A, FPHC12A3A 67400422...
Page 224 PARTS CATALOG 18K Indoor Cassette � ---- _______ 1 � A-4X8 _,,,, A-4X10 5X53 �/if: - � t �- A-4X 12 A-4 X8 Figure 905 Pan Head Tapping Screw Bolt, Washer Combinations Hex Flange Self-tapping Screws Hexagon Head Tapping Screw NOTE, The unicromated coating is applied to iron and steel material for the unspecified materials of the bolt and screw.
Page 225 PARTS CATALOG 18K Indoor Cassette ITEM PART PART DESCRIPTION USED ON MODEL NUMBER FIGURE 905 67400872 Base FPHC18A3A 67400984 Air Duct Plate FPHC18A3A 67400438 Fan Motor FPHC18A3A 67400985 Side Panel FPHC18A3A 67400986 Fan Snail Shell FPHC18A3A 67400439 Pump Motor FPHC18A3A 67400987 Cover FPHC18A3A...
Page 226 PARTS CATALOG 24K INDOOR CASSETTE A-4X10 _ _,,, 1 - - - - - - : == == -=r= �· � -=-- �t 5X53 A-4X12 A-4X8 FIgure 906 NOTE,...
Page 227 PARTS CATALOG 24K INDOOR CASSETTE Figure 906 ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67400872 Base FPHC24A3A 67400984 Air Duct Plate FPHC24A3A 67400438 Fan Motor FPHC24A3A 67400985 Side Panel FPHC24A3A 67400986 Fan Snail Shell FPHC24A3A 67400439 Pump Motor FPHC24A3A 67400987 Cover FPHC24A3A...
Page 228 PARTS CATALOG 9K, 12K, DUCTED INDOOR Figure 907a...
Page 229 PARTS CATALOG 9K, 12K, DUCTED INDOOR Figure 907b...
Page 230 PARTS CATALOG 9K, 12K, DUCTED INDOOR Figure 907c...
Page 231 PARTS CATALOG 9K, 12K DUCTED INDOOR Figure 907 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL 67400885 Base Plate FPHD09A3A, FPHD12A3A 67400886 Bottom Plate FPHD09A3A, FPHD12A3A 67400887 Water Drain FPHD09A3A, FPHD12A3A 67400409 Evaporator FPHD09A3A, FPHD12A3A 67400902 Supporting FPHD09A3A, FPHD12A3A 67400889 Electric Box Cover FPHD09A3A, FPHD12A3A 67400904...
Page 232 PARTS CATALOG 18K Ducted Indoor Figure 908a...
Page 233 PARTS CATALOG 18K Ducted Indoor Figure 908b...
Page 234 PARTS CATALOG 18K Ducted Indoor Figure 908c...
Page 235 PARTS CATALOG 18K Ducted Indoor Figure 908 ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67400899 Base Plate FPHD18A3A 67400900 Bottom Plate FPHD18A3A 67400901 Water Drain FPHD18A3A 67400412 Evaporator FPHD18A3A 67400902 Supporting FPHD18A3A 67400889 Electric Box Cover FPHD18A3A 67400904 Seal Plate FPHD18A3A 67400891 Rght Side Board...
Page 236 PARTS CATALOG 24k Ducted Indoor ..........--..._. Figure 909a...
Page 237 PARTS CATALOG 24k Ducted Indoor ,_-.._. __ lllfllllllllllalll ..l:rla ..,_..fllll .._ Figure 909b...
Page 238 PARTS CATALOG 24k Ducted Indoor ·- A __ ._,._ llillllp_,___ � ..-..111••11111111111A1 .... _...lffllllllal- Figure 909c...
Page 239 PARTS CATALOG 24k Ducted Indoor Figure 909 ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67400952 Base Plate FPHD24A3A 67400953 Base Holder FPHD24A3A 67400954 Water Drain FPHD24A3A 67400955 Rubber Plug FPHD24A3A 67400956 Evaporator assembly FPHD24A3A 67400957 Supporting FPHD24A3A 67400958 Outlet Flange Border FPHD24A3A 67400959 Supporting...
Page 240 APPENDIX Appendix 1: Reference Sheet of Celsius and Farenheit Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit display Fahrenheit Celsius Celsius Celsius temperature temperature temperature 60.8 69/70 69.8 78/79 78.8 62/63 62.6 71/72 71.6 80/81 80.6 64/65 64.4 73/74 73.4 82/83 82.4 66/67 66.2...
Page 241 APPENDIX Appendix 2: Pipe Expanding Method Pipe Pipe cutter Leaning Uneven Burr A:Cut the pip Conﬁrm the pipe length according to the distance of indoor unit and outdoor unit. Cut the required pipe with pipe cutter. B:Remove the burrs Pipe Shaper Remove the burrs with shaper and prevent the burrs from getting into the pipe.
Page 242 ACCESSORIES CONTROLLER FPWC1 Wired wall controller option for Floating Air Premier and Pro Single/Multizone CEILING CASSETTE GRILLES (REQUIRED ACCESSORY) Required decorative grille for ceiling cassette models Decorative Grille Decorative Grille FPCG0912 FPCG182436 DCG2436 FPHFC09A3A, FPHFC12A3A FPHFC18A3A, FPHFC24A3A MC24Y3J MC36Y3J...
Page 243 2. Any defective part to be replaced must be made available to FRIEDRICH in exchange for the replacement part. You must present proof of the original date of installation of the product in order to establish the effective date of the warranty. Otherwise, the effective date will be deemed to be the date of manufacture plus thirty days.
Page 244 CUSTOMER SATISFACTION and QUALITY ASSURANCE Friedrich is a conscientious manufacturer, concerned about customer satisfaction, product quality, and controlling warranty costs. As an Authorized Service Provider you play a vital role in these areas. By adhering to the policies and procedures you provide us with vital information on each warranty repair you complete. This information is used to identify product failure trends, initiate corrective action, and improve product quality, thereby further reducing warranty expenses while increasing customer satisfaction levels.

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Friedrich FPHMR18A3A Service And Parts Manual

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