Daikin RX09RMVJU, FDMQ09RVJU, FDMQ18RVJU, FDMQ24RVJU, RX15RMVJU Service Manual

...

Service

Manual

SiUS091628EA

Inverter Pair

Ceiling Mounted Cassette Type FFQ-Q Series

[Applied Models] z Inverter Pair : Heat Pump

zHeat Pump

Indoor Unit

FFQ09Q2VJU FFQ12Q2VJU FFQ15Q2VJU FFQ18Q2VJU

SiUS091628EA

Inverter Pair

Ceiling Mounted

Cassette Type

FFQ-Q Series

Outdoor Unit

RX09QMVJU RX12QMVJU RX15QMVJU RX18QMVJU

i Table of Contents

SiUS091628EA

1. Safety Cautions........................................................................................... v

1.1 Warnings and Cautions Regarding Safety of Workers ................................. v

1.2 Warnings and Cautions Regarding Safety of Users....................................vii

2. Icons Used ..................................................................................................x

Part 1 List of Functions ................................................................... 1

1. Functions.....................................................................................................2

Part 2 Specifications ....................................................................... 3

1. Specifications ..............................................................................................4

Part 3 Printed Circuit Board Connector Wiring Diagram ................6

1. Indoor Unit...................................................................................................7

1.1 FFQ09/12/15/18Q2VJU................................................................................ 7

2. Wired Remote Controller.............................................................................8

2.1 BRC1E73 ..................................................................................................... 8

3. Wireless Remote Controller Kit ...................................................................9

3.1 BRC082A41W, BRC082A42W(S) ................................................................ 9

4. Outdoor Unit..............................................................................................10

4.1 RX09/12QMVJU......................................................................................... 10

4.2 RX15/18QMVJU......................................................................................... 11

Part 4 Functions and Control......................................................... 12

1. Main Functions..........................................................................................13

1.1 Temperature Control .................................................................................. 13

1.2 Frequency Principle.................................................................................... 13

1.3 Airflow Direction Control............................................................................. 15

1.4 Fan Speed Control for Indoor Unit ............................................................. 15

1.5 Program Dry Operation .............................................................................. 16

1.6 Clock and Calendar Setting

(With Wired Remote Controller BRC1E73) ................................................ 17

1.7 Schedule TIMER Operation

(With Wired Remote Controller BRC1E73) ................................................ 19

1.8 Setback Function

(With Wired Remote Controller BRC1E73) ................................................ 23

1.9 Drain Pump Control .................................................................................... 23

1.10 Hot Start Control (In Heating Operation Only)............................................ 25

1.11 Presence and Floor Sensors (Option) ........................................................ 26

1.12 Other Functions.......................................................................................... 29

2. Control Specification .................................................................................30

2.1 Mode Hierarchy .......................................................................................... 30

2.2 Frequency Control ...................................................................................... 31

2.3 Controls at Mode Changing/Start-up.......................................................... 33

2.4 Discharge Pipe Temperature Control......................................................... 35

Table of Contents ii

SiUS091628EA

2.5 Input Current Control .................................................................................. 36

2.6 Freeze-up Protection Control ..................................................................... 37

2.7 Heating Peak-cut Control ........................................................................... 37

2.8 Outdoor Fan Control................................................................................... 38

2.9 Liquid Compression Protection Function.................................................... 38

2.10 Defrost Control ........................................................................................... 39

2.11 Electronic Expansion Valve Control ........................................................... 40

2.12 Malfunctions ............................................................................................... 43

Part 5 Remote Controller ............................................................... 44

1. Wired Remote Controller (BRC1E73) .......................................................45

2. Wireless Remote Controller Kit (BRC082A41W, BRC082A42W(S)) ........51

Part 6 Service Diagnosis................................................................ 53

1. General Problem Symptoms and Check Items .........................................55

2. Troubleshooting with LED .........................................................................56

2.1 Indoor Unit.................................................................................................. 56

2.2 Outdoor Unit ............................................................................................... 56

3. Service Diagnosis .....................................................................................57

3.1 Wired Remote Controller (BRC1E73) ........................................................ 57

3.2 Wireless Remote Controller Kit (BRC082A41W, BRC082A42W(S)) ......... 59

4. Troubleshooting ........................................................................................63

4.1 Error Codes and Description ...................................................................... 63

4.2 Indoor Unit PCB Abnormality ..................................................................... 64

4.3 Drain Level Control System Abnormality.................................................... 65

4.4 Indoor Fan Motor (DC Motor) or Related Abnormality ............................... 66

4.5 Humidifier or Related Abnormality.............................................................. 68

4.6 Thermistor or Related Abnormality............................................................. 69

4.7 Presence Sensor or Floor Sensor Abnormality .......................................... 70

4.8 Remote Controller Thermistor Abnormality ................................................ 71

4.9 Signal Transmission Error

(Between Indoor Unit and Remote Controller) ........................................... 72

4.10 Signal Transmission Error

(Between MAIN Remote Controller and SUB Remote Controller) ............. 73

4.11 Low-voltage Detection or Over-voltage Detection...................................... 74

4.12 Signal Transmission Error (Between Indoor Unit and Outdoor Unit).......... 76

4.13 Mismatching of Indoor Unit and Outdoor Unit ............................................ 78

4.14 Outdoor Unit PCB Abnormality................................................................... 79

4.15 OL Activation (Compressor Overload) ....................................................... 80

4.16 Compressor Lock ....................................................................................... 82

4.17 DC Fan Lock (Outdoor Fan Motor)............................................................. 83

4.18 Input Overcurrent Detection ....................................................................... 84

4.19 Four Way Valve Abnormality ...................................................................... 85

4.20 Discharge Pipe Temperature Control......................................................... 87

4.21 High Pressure Control in Cooling ............................................................... 88

iii Table of Contents

SiUS091628EA

4.22 System Shutdown due to Compressor Internal Temperature

Abnormality ................................................................................................ 90

4.23 Compressor System Sensor Abnormality .................................................. 91

4.24 Position Sensor Abnormality ...................................................................... 92

4.25 Thermistor or Related Abnormality (Outdoor Unit)..................................... 94

4.26 Electrical Box Temperature Rise................................................................ 96

4.27 Radiation Fin Temperature Rise ................................................................ 97

4.28 Output Overcurrent Detection .................................................................... 98

5. Check ......................................................................................................100

5.1 Thermistor Resistance Check .................................................................. 100

5.2 Indoor Fan Motor Connector Output Check ............................................. 101

5.3 Power Supply Waveforms Check ............................................................. 101

5.4 Electronic Expansion Valve Check........................................................... 102

5.5 Four Way Valve Performance Check ....................................................... 103

5.6 Inverter Unit Refrigerant System Check................................................... 103

5.7 Inverter Analyzer Check ........................................................................... 104

5.8 Rotation Pulse Check on the Outdoor Unit PCB ...................................... 106

5.9 Installation Condition Check ..................................................................... 107

5.10 Discharge Pressure Check....................................................................... 107

5.11 Outdoor Fan System Check ..................................................................... 108

5.12 Main Circuit Short Check.......................................................................... 108

5.13 Power Module Check ............................................................................... 110

Part 7 Trial Operation and Field Settings.................................... 112

1. Pump Down Operation............................................................................113

2. Forced Cooling Operation.......................................................................114

3. Trial Operation ........................................................................................115

4. Field Settings ..........................................................................................118

4.1 How to Change the Field Settings ............................................................ 118

4.2 Overview of the Field Settings.................................................................. 121

4.3 MAIN/SUB Setting when Using 2 Wired Remote Controllers................... 122

4.4 Address and MAIN/SUB Setting for Wireless Remote Controller ............ 123

4.5 Facility Setting (cooling at low outdoor temperature) ............................... 125

5. Silicone Grease on Power Transistor/Diode Bridge................................126

Part 8 Appendix............................................................................127

1. Piping Diagrams......................................................................................128

1.1 Indoor Unit................................................................................................ 128

1.2 Outdoor Unit ............................................................................................. 129

2. Wiring Diagrams......................................................................................130

2.1 Indoor Unit................................................................................................ 130

2.2 Outdoor Unit ............................................................................................. 131

3. Operation Limit........................................................................................133

Table of Contents iv

Safety Cautions SiUS091628EA

1. Safety Cautions

Be sure to read the following safety cautions before conducting repair work. After the repair work is complete, be sure to conduct a test operation to ensure that the equipment operates normally, and explain the cautions for operating the product to the customer.

Caution Items The caution items are classified into Warning and Caution. The Warning items are

especially important since death or serious injury can result if they are not followed closely. The

Caution items can also lead to serious accidents under some conditions if they are not

followed. Therefore, be sure to observe all the safety caution items described below.

Pictograms This symbol indicates an item for which caution must be exercised.

The pictogram shows the item to which attention must be paid.

This symbol indicates a prohibited action.

The prohibited item or action is shown in the illustration or near the symbol.

This symbol indicates an action that must be taken, or an instruction.

The instruction is shown in the illustration or near the symbol.

1.1 Warnings and Cautions Regarding Safety of Workers

Warning

Do not store equipment in a room with fire sources (e.g., naked flames, gas appliances, electric heaters).

Be sure to disconnect the power cable from the socket before disassembling equipment for repair.

Working on equipment that is connected to the power supply may cause an electrical shock. If it is necessary to supply power to the equipment to conduct the repair or inspect the circuits, do not touch any electrically charged sections of the equipment.

If refrigerant gas is discharged during repair work, do not touch the discharged refrigerant gas.

Refrigerant gas may cause frostbite.

When disconnecting the suction or discharge pipe of the compressor at the welded section, evacuate the refrigerant gas completely at a wellventilated place first.

If there is gas remaining inside the compressor, the refrigerant gas or refrigerating machine oil discharges when the pipe is disconnected, and it may cause injury.

If refrigerant gas leaks during repair work, ventilate the area.

Refrigerant gas may generate toxic gases when it contacts flames.

Be sure to discharge the capacitor completely before conducting repair work.

The step-up capacitor supplies high-voltage electricity to the electrical components of the outdoor unit. A charged capacitor may cause an electrical shock.

SiUS091628EA Safety Cautions

Warning

Do not turn the air conditioner on or off by plugging in or unplugging the power cable.

Plugging in or unplugging the power cable to operate the equipment may cause an electrical shock or fire.

Be sure to wear a safety helmet, gloves, and a safety belt when working in a high place (more than 2 m (6.5 ft)).

Insufficient safety measures may cause a fall.

In case of R-32 / R-410A refrigerant models, be sure to use pipes, flare nuts and tools intended for the exclusive use with the R-32 / R-410A refrigerant.

The use of materials for R-22 refrigerant models may cause a serious accident, such as a damage of refrigerant cycle or equipment failure.

Do not mix air or gas other than the specified refrigerant (R-32 / R-410A / R-22) in the refrigerant system.

If air enters the refrigerant system, an excessively high pressure results, causing equipment damage and injury.

Caution

Do not repair electrical components with wet hands.

Working on the equipment with wet hands may cause an electrical shock.

Do not clean the air conditioner with water.

Washing the unit with water may cause an electrical shock.

Be sure to provide an earth / grounding when repairing the equipment in a humid or wet place, to avoid electrical shocks.

Be sure to turn off the power switch and unplug the power cable when cleaning the equipment.

The internal fan rotates at a high speed, and may cause injury.

Be sure to conduct repair work with appropriate tools.

The use of inappropriate tools may cause injury.

Safety Cautions SiUS091628EA

Caution

Be sure to check that the refrigerating cycle section has cooled down enough before conducting repair work.

Working on the unit when the refrigerating cycle section is hot may cause burns.

Conduct welding work in a well-ventilated place.

Using a welder in an enclosed room may cause oxygen deficiency.

1.2 Warnings and Cautions Regarding Safety of Users

Warning

Do not store the equipment in a room with fire sources (e.g., naked flames, gas appliances, electric heaters).

Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work. Never attempt to modify the equipment.

The use of inappropriate parts or tools may cause an electrical shock, excessive heat generation or fire.

If the power cable and lead wires are scratched or have deteriorated, be sure to replace them.

Damaged cable and wires may cause an electrical shock, excessive heat generation or fire.

Do not use a joined power cable or extension cable, or share the same power outlet with other electrical appliances, since it may cause an electrical shock, excessive heat generation or fire.

Be sure to use an exclusive power circuit for the equipment, and follow the local technical standards related to the electrical equipment, the internal wiring regulations, and the instruction manual for installation when conducting electrical work.

Insufficient power circuit capacity and improper electrical work may cause an electrical shock or fire.

Be sure to use the specified cable for wiring between the indoor and outdoor units.

Make the connections securely and route the cable properly so that there is no force pulling the cable at the connection terminals. Improper connections may cause excessive heat generation or fire.

vii

SiUS091628EA Safety Cautions

Warning

When wiring between the indoor and outdoor units, make sure that the terminal cover does not lift off or dismount because of the cable.

If the cover is not mounted properly, the terminal connection section may cause an electrical shock, excessive heat generation or fire.

Do not damage or modify the power cable.

Damaged or modified power cables may cause an electrical shock or fire. Placing heavy items on the power cable, or heating or pulling the power cable may damage it.

Do not mix air or gas other than the specified refrigerant (R-32 / R-410A / R-22) in the refrigerant system.

If air enters the refrigerant system, an excessively high pressure results, causing equipment damage and injury.

If the refrigerant gas leaks, be sure to locate the leaking point and repair it before charging the refrigerant. After charging the refrigerant, make sure that there is no leak.

If the leaking point cannot be located and the repair work must be stopped, be sure to pump-down, and close the service valve, to prevent refrigerant gas from leaking into the room. Refrigerant gas itself is harmless, but it may generate toxic gases when it contacts flames, such as those from fan type and other heaters, stoves and ranges.

When relocating the equipment, make sure that the new installation site has sufficient strength to withstand the weight of the equipment.

If the installation site does not have sufficient strength or the installation work is not conducted securely, the equipment may fall and cause injury.

Check to make sure that the power cable plug is not dirty or loose, then insert the plug into a power outlet securely.

If the plug is dusty or has a loose connection, it may cause an electrical shock or fire.

When replacing the coin battery in the remote controller, be sure to dispose of the old battery to prevent children from swallowing it.

If a child swallows the coin battery, see a doctor immediately.

viii

Safety Cautions SiUS091628EA

Caution

Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site, to prevent electrical shocks.

Do not install the equipment in a place where there is a possibility of combustible gas leaks.

If combustible gas leaks and remains around the unit, it may cause a fire.

Check to see if parts and wires are mounted and connected properly, and if connections at the soldered or crimped terminals are secure.

Improper installation and connections may cause excessive heat generation, fire or an electrical shock.

If the installation platform or frame has corroded, replace it.

A corroded installation platform or frame may cause the unit to fall, resulting in injury.

Check the earth / grounding, and repair it if the equipment is not properly earthed / grounded.

Improper earth / grounding may cause an electrical shock.

Be sure to measure insulation resistance after the repair, and make sure that the resistance is 1 MΩ or higher.

Faulty insulation may cause an electrical shock.

Be sure to check the drainage of the indoor unit after the repair.

Faulty drainage may cause water to enter the room and wet the furniture and floor.

Do not tilt the unit when removing it.

The water inside the unit may spill and wet the furniture and floor.

SiUS091628EA Icons Used

2. Icons Used

The following icons are used to attract the attention of the reader to specific information.

Icon Type of

Information Warning A Warning is used when there is danger of personal injury.

Warning

Caution A Caution is used when there is danger that the reader, through

Caution

Note A Note provides information that is not indispensable, but may

Note:

Reference A Reference guides the reader to other places in this binder or

Description

incorrect manipulation, may damage equipment, lose data, get an unexpected result or have to restart (part of) a procedure.

nevertheless be valuable to the reader, such as tips and tricks.

in this manual, where he/she will find additional information on a specific topic.

SiUS091628EA

Part 1

List of Functions

1. Functions.....................................................................................................2

1 List of Functions

SiUS091628EA Functions

1. Functions

Category Functions

FFQ09/12/15/18Q2VJU

RX09/12/15/18QMVJU

with BYFQ60B3W1

FFQ09/12/15/18Q2VJU

Basic Functions

Compressor Oval scroll compressor — — Air filter — —

Comfortable Airflow

Comfort Control

Operation Automatic operation

Lifestyle Convenience

Inverter (with inverter power control)

Operation limit for cooling

Operation limit for heating

PAM control — —

Standby electricity saving — — Longlife filter

Swing compressor

Rotary compressor — — Wipe-clean flat panel — —

Reluctance DC motor

Power-airflow flap (horizontal blade) — — MOLD PROOF operation — —

Power-airflow dual flaps (horizontal blade)

Power-airflow diffuser — — 72-hour ON/OFF TIMER

Wide-angle louvers (vertical blades) — — NIGHT SET mode — —

Auto-swing (up and down)

Auto-swing (right and left) — — Worry Free

Individual flap control —

3-D airflow — — Wiring error check function — —

COMFORT AIRFLOW operation — —

Auto fan speed

Indoor unit quiet operation — — Flexibility

NIGHT QUIET mode (automatic) — —

OUTDOOR UNIT QUIET operation (manual)

Presence and floor sensor (option) —

Hot-start function

Draft prevention with sensor

Automatic defrosting

Program dry function

Fan only

Setback function

POWERFUL operation (non-inverter) — — Remote

POWERFUL operation (inverter) — —

Priority-room setting — —

COOL/HEAT mode lock — —

HOME LEAVE operation — — DIII-NET compatible (adaptor) (option) — —

ECONO operation — — Remote

Indoor unit ON/OFF button — — Wired (option)

Signal receiving sign

R/C with back light

Note:

: Available

Refer to

P. 133

——

z★

z★1z★

——

z★

z★1z★

z★

★

z★1z★

— : Not available

Category Functions

RX09/12/15/18QMVJU

with BYFQ60C2W1W(S)

Health & Cleanliness

Timer Schedule TIMER operation

(Reliability &

1 Self-diagnosis (R/C, LED)

Durability)

Control

Controller

Auto cleaning filter — —

Air-purifying filter — —

Titanium apatite deodorizing filter (option)

Filter cleaning indicator

Washable grille

Good-sleep cooling operation — —

Off Timer (power off forget prevention)

Auto-restart (after power failure)

Anti-corrosion treatment of outdoor heat exchanger

Multi-split/split type compatible indoor unit

H/P, C/O compatible indoor unit — —

Flexible power supply correspondence — —

Chargeless

Either side drain (right or left) — —

Power selection — —

Low outdoor temperature cooling operation (-20°C) (-4°F)

°F/°C changeover R/C temperature display (factory setting: °F)

Remote control adaptor (normal open pulse contact) (option)

Remote control adaptor (normal open contact) (option)

Wireless (option)

1: With wired remote controller

★

2: With wireless remote controller

★

3: With air direction adjustment grille (option)

★

4: Receiving sound only

★

FFQ09/12/15/18Q2VJU

RX09/12/15/18QMVJU

with BYFQ60B3W1

FFQ09/12/15/18Q2VJU

——

z★1z★

z★2z★

z★1z★

——

32.8 ft

(10 m)

z★3z★

z★1z★

——

RX09/12/15/18QMVJU

with BYFQ60C2W1W(S)

List of Functions 2

SiUS091628EA

Part 2

Specifications

1. Specifications ..............................................................................................4

3 Specifications

SiUS091628EA Specifications

1. Specifications

60 Hz, 208 - 230V

Model

Capacity Rated (Min. ~ Max.)

Running Current (Rated) A 3.64 - 3.29 3.43 - 3.10 4.61 - 4.17 4.96 - 4.49 Power Consumption

Rated

(Min. ~ Max.) Power Factor (Rated) % 92.5 - 92.5 89.8 - 89.9 90.1 - 90.1 95.5 - 95.4 SEER / HSPF 20.90 11.70 20.20 11.20 COP (Rated) W/W — 4.58 — 4.02 EER (Rated)

Piping Connections

Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Max. Interunit Piping Length ft (m) 65-5/8 (20) 65-5/8 (20) Max. Interunit Height Difference ft (m) 49-1/4 (15) 49-1/4 (15) Chargeless ft (m) 32-13/16 (10) 32-13/16 (10) Amount of Additional Charge of

Refrigerant

Indoor Unit FFQ09Q2VJU FFQ12Q2VJU

Decoration Panel (1)

Decoration Panel (2)

Airflow Rate

Fan

Running Current (Rated) A 0.23 - 0.21 0.23 - 0.21 0.27 - 0.24 0.27 - 0.24 Power Consumption (Rated) W 23 23 27 27 Power Factor (Rated) % 48.1 - 47.6 48.1 - 47.6 48.1 - 48.9 48.1 - 48.9 Temperature Control Microcomputer Control Microcomputer Control Dimensions (H × W × D) in. (mm) 10-1/4 × 22-5/8 × 22-5/8 (260 × 575 × 575) 10-1/4 × 22-5/8 × 22-5/8 (260 × 575 × 575) Packaged Dimensions (H × W × D) in. (mm) 11 × 27 × 23-1/2 (280 × 686 × 597) 11 × 27 × 23-1/2 (280 × 686 × 597) Weight Lbs (kg) 36 (16) 36 (16) Gross Weight Lbs (kg) 40 (18) 40 (18) Sound Pressure Level H / M / L dB(A) 38 / 35 / 29 38 / 35 / 29 39 / 36 / 30 39 / 36 / 30

Outdoor Unit RX09QMVJU RX12QMVJU

Casing Color Ivory White Ivory White

Compressor

Refrigerant Oil

Refrigerant

Airflow Rate H

Fan Type Propeller Propeller Running Current (Rated) A 3.41 - 3.08 3.20 - 2.89 4.34 - 3.93 4.69 - 4.25 Power Consumption (Rated) W 677 618 837 958 Power Factor (Rated) % 95.4 - 95.6 92.8 - 93.0 92.7 - 92.6 98.2 - 98.0 Starting Current A 7.5 7.5 Dimensions (H × W × D) in. (mm) 21-5/8 × 26-9/16 × 11-3/16 (550 × 675 × 284) 21-5/8 × 26-9/16 × 11-3/16 (550 × 675 × 284) Packaged Dimensions (H × W × D) in. (mm) 24-3/4 × 32-11/16 × 16 (629 × 830 × 407) 24-3/4 × 32-11/16 × 16 (629 × 830 × 407) Weight Lbs (kg) 60 (27) 60 (27) Gross Weight Lbs (kg) 71 (32) 71 (32) Sound Pressure Level H dB(A) 46 50 49 51 Drawing No. 3D106061A 3D106062

Indoor Unit FFQ09Q2VJU FFQ12Q2VJU

Outdoor Unit

Btu/h 9,100 (4,600 ~ 11,000) 10,000 (4,600 ~ 14,000) 10,800 (4,600 ~ 13,300) 13,500 (4,600 ~ 16,800)

W 700 (280 ~ 1,050) 641 (250 ~ 1,150) 864 (280 ~ 1,410) 985 (250 ~ 1,450)

Liquid in. (mm) Gas in. (mm) Drain in. (mm) VP20 (O.D.

Model BYFQ60B3W1 BYFQ60B3W1 Color White White Dimensions (H × W × D) 2-3/16 × 27-9/16 × 27-9/16 (55 × 700 × 700) 2-3/16 × 27-9/16 × 27-9/16 (55 × 700 × 700) Weight (Mass) Lbs (kg) 6 (2.7) 6 (2.7) Model BYFQ60C2W1W / BYFQ60C2W1S BYFQ60C2W1W / BYFQ60C2W1S Color White / Silver White / Silver Dimensions (H × W × D) 1-13/16 × 24-7/16 × 24-7/16 (46 × 620 × 620) 1-13/16 × 24-7/16 × 24-7/16 (46 × 620 × 620) Weight (Mass) Lbs (kg) 6.2 (2.8) 6.2 (2.8) H M 339 (9.6) 357 (10.1) 353 (10.0) 371 (10.5) L 268 (7.6) 282 (8.0) 268 (7.6) 282 (8.0) Type Turbo Fan Turbo Fan Speed Steps 3 Steps 3 Steps

Type Hermetically Sealed Swing Type Hermetically Sealed Swing Type Model 1YC23AUXD 1YC23AUXD Motor Output W 790 790 Type FVC50K FVC50K Charge oz (L) 12.68 (0.375) 12.68 (0.375) Type R-410A R-410A Charge Lbs (kg) 2.09 (0.95) 2.09 (0.95)

Btu/W·h

oz/ft

(g/m)

cfm

(m³/min)

cfm

(m³/min)

Cooling Heating Cooling Heating

13.00 — 12.50 —

378 (10.7) 399 (11.3) 406 (11.5) 427 (12.1)

985 (27.9) 992 (28.1) 1,104 (31.27) 992 (28.1)

RX09QMVJU RX12QMVJU

1/4 (φ 6.4)

3/8 (φ 9.5)

0.21 (20) 0.21 (20)

26)) VP20 (O.D. φ

(φ

1-1/32

1/4 (φ 6.4)

3/8 (φ 9.5)

1-1/32

(φ

26))

Note:

The data are based on the conditions shown in the table below.

Cooling

Heating

Piping Length 25 ft (7.5 m)

Indoor ; 80.0°FDB (26.7°CDB) / 67.0°FWB (19.4°CWB) Outdoor ; 95.0°FDB (35°CDB) / 75°FWB (23.9°CWB)

Indoor ; 70.0°FDB (21.1°CDB) / 60.0°FWB (15.6°CWB) Outdoor ; 47°FDB (8.33°CDB) / 43.0°FWB (6.11°CWB)

Conversion Formulae

kcal/h = kW × 860

Btu/h = kW × 3412

cfm = m³/min × 35.3

Specifications 4

Specifications SiUS091628EA

60 Hz, 208 - 230V

Model

Capacity Rated (Min. ~ Max.)

Running Current (Rated) A 5.83 - 5.27 6.23 - 5.63 7.12 - 6.44 9.51 - 8.6 Power Consumption

Rated

(Min. ~ Max.) Power Factor (Rated) % 95.0 - 95.0 95.3 - 95.4 94 - 94 94.8 - 94.8 SEER / HSPF 20.70 11.00 19.30 10.10 COP (Rated) W/W — 3.86 — 3.36 EER (Rated)

Piping Connections

Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Max. Interunit Piping Length ft (m) 98-7/16 (30) 98-3/8 (30) Max. Interunit Height Difference ft (m) 65-5/8 (20) 65-5/8 (20) Chargeless ft (m) 32-13/16 (10) 32-13/16 (10) Amount of Additional Charge of

Refrigerant

Indoor Unit FFQ15Q2VJU FFQ18Q2VJU

Decoration Panel (1)

Decoration Panel (2)

Airflow Rate

Fan

Running Current (Rated) A 0.29 - 0.26 0.29 - 0.26 0.52 - 0.47 0.52 - 0.47 Power Consumption (Rated) W 28 28 51 - 51 51 - 51 Power Factor (Rated) % 46.4 - 46.8 46.4 - 46.8 47.2 - 47.2 47.2 - 47.2 Temperature Control Microcomputer Control Microcomputer Control Dimensions (H × W × D) in. (mm) 10-1/4 × 22-5/8 × 22-5/8 (260 × 575 × 575) 10-1/4 × 22-5/8 × 22-5/8 (260 × 575 × 575) Packaged Dimensions (H × W × D) in. (mm) 11 × 27 × 23-1/2 (280 × 686 × 597) 11 × 27 × 23-1/2 (280 × 686 × 597) Weight Lbs (kg) 36 (16) 39.0 (17.5) Gross Weight Lbs (kg) 40 (18) 42.0 (19.0) Sound Pressure Level H / M / L dB(A) 40 / 37 / 31 40 / 37 / 31 44 / 40 / 32 44 / 40 / 32

Outdoor Unit RX15QMVJU RX18QMVJU

Casing Color Ivory White Ivory White

Compressor

Refrigerant Oil

Refrigerant

Airflow Rate H

Fan Type Propeller Propeller Running Current (Rated) A 5.54 - 5.01 5.94 - 5.37 6.60 - 5.97 8.99 - 8.13 Power Consumption (Rated) W 1,124 1,207 1,341 ~ 1,341 1,824 ~ 1,824 Power Factor (Rated) % 97.5 - 97.5 97.7 - 97.7 97.7 - 97.7 97.5 - 97.5 Starting Current A 8.0 9.51 Dimensions (H × W × D) in. (mm) 28-15/16 × 34-1/4 × 12-5/8 (735 × 870 × 320) 28-15/16 × 34-1/4 × 12-5/8 (735 × 870 × 320) Packaged Dimensions (H × W × D) in. (mm) 31-7/8 × 41-9/16 × 18-1/4 (810 × 1,056 × 464) 31-7/8 × 41-9/16 × 18-1/4 (810 × 1,056 × 464) Weight Lbs (kg) 97 (44) 97 (44) Gross Weight Lbs (kg) 115 (52) 115 (52) Sound Pressure Level H dB(A) 50 51 54 55 Drawing No. 3D106063A 3D106064

Indoor Unit FFQ15Q2VJU FFQ18Q2VJU

Outdoor Unit

Btu/h 14,400 (5,100 ~ 16,200) 16,200 (5,200 ~ 16,300) 17,400 (5,100 ~ 18,800) 21,600 (5,400 ~ 21,800)

W 1,152 (310 ~ 1,640) 1,235 (330 ~ 1,300) 1,392 (340 ~ 1,650) 1,875 (370 ~ 1,920)

Liquid in. (mm) Gas in. (mm) Drain in. (mm) VP20 (O.D.

Model BYFQ60B3W1 BYFQ60B3W1 Color White White Dimensions (H × W × D) 2-3/16 × 27-9/16 × 27-9/16 (55 × 700 × 700) 2-3/16 × 27-9/16 × 27-9/16 (55 × 700 × 700) Weight (Mass) Lbs (kg) 6 (2.7) 6 (2.7) Model BYFQ60C2W1W / BYFQ60C2W1S BYFQ60C2W1W / BYFQ60C2W1S Color White / Silver White / Silver Dimensions (H × W × D) 1-13/16 × 24-7/16 × 24-7/16 (46 × 620 × 620) 1-13/16 × 24-7/16 × 24-7/16 (46 × 620 × 620) Weight (Mass) Lbs (kg) 6.2 (2.8) 6.2 (2.8) H M 367 (10.4) 385 (10.9) 378 (10.7) 420 (11.9) L 293 (8.3) 307 (8.7) 275 (7.8) 307 (8.7) Type Turbo Fan Turbo Fan Speed Steps 3 Steps 3 Steps

Type Hermetically Sealed Swing Type Hermetically Sealed Swing Type Model 2YC36PXD 2YC36PXD Motor Output W 1,100 1,100 Type FVC50K FVC50K Charge oz (L) 22.0 (0.65) 22.0 (0.65) Type R-410A R-410A Charge Lbs (kg) 2.49 (1.13) 2.49 (1.13)

Btu/W·h

oz/ft

(g/m)

cfm

(m³/min)

cfm

(m³/min)

Cooling Heating Cooling Heating

12.50 — 12.50 —

420 (11.9) 441 (12.5) 448 (12.7) 498 (14.1)

2,314 (65.53) 1,896 (53.7) 2,461 (69.7) 2,295 (65)

RX15QMVJU RX18QMVJU

1/4 (φ 6.4)

1/2 (φ 12.7)

0.21 (20) 0.21 (20)

26)) VP20 (O.D. φ

(φ

1-1/32

1/4 (φ 6.4)

1/2 (φ 12.7)

1-1/32

(φ

26))

Note:

The data are based on the conditions shown in the table below.

Cooling

Heating

Piping Length 25 ft (7.5 m)

Indoor ; 80.0°FDB (26.7°CDB) / 67.0°FWB (19.4°CWB) Outdoor ; 95.0°FDB (35°CDB) / 75°FWB (23.9°CWB) Indoor ; 70.0°FDB (21.1°CDB) / 60.0°FWB (15.6°CWB) Outdoor ; 47°FDB (8.33°CDB) / 43.0°FWB (6.11°CWB)

Conversion Formulae

kcal/h = kW × 860

Btu/h = kW × 3412

cfm = m³/min × 35.3

5 Specifications

SiUS091628EA

Part 3

Printed Circuit Board

Connector Wiring Diagram