Rinnai DINLR07Z72 Service Manual
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Rinnai DINLR07Z72 Service Manual

Rinnai DINLR07Z72 Service Manual

Ducted reverse cycle inverter
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Models
Indoor
| DINLR07Z72
Outdoor
| DONSR07Z72 | DONSR10Z72 | DONSR12Z72 | DONSR14Z72 | DONSR17Z72
Ducted Reverse Cycle Inverter
Service Manual
| DINLR10Z72
| DINLR12Z72
| DINLR14Z72
| DINLR17Z72

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Summary of Contents for Rinnai DINLR07Z72

  • Page 1 Models Indoor | DINLR07Z72 | DINLR10Z72 | DINLR12Z72 | DINLR14Z72 | DINLR17Z72 Outdoor | DONSR07Z72 | DONSR10Z72 | DONSR12Z72 | DONSR14Z72 | DONSR17Z72 Ducted Reverse Cycle Inverter Service Manual...
  • Page 2 This appliance must be installed in accordance with: • Manufacturer’s Installation Instructions • Current AS/NZS 3000, AS/NZS 5141 • Local Regulations and Municipal Building Codes including local OH&S requirements This appliance must be installed, maintained and removed only by an Authorised Person. For continued safety of this appliance it must be installed and maintained in accordance with the manufacturer’s instructions.
  • Page 3 Contents Part 1 General Information ....................1 Part 2 Indoor Units ....................... 5 Part 3 Outdoor Units ......................49 Part 4 Installation........................ 65 Part 5 Electrical Control System ..................87 ※The specifications, designs, and information in this book are subject to change without notice for product improvement.

  • Page 5: Table Of Contents

    General Information Part 1 General Information 1. Model Lists ....................2 2. External Appearance ................3 2.1 Indoor Units ......................3 2.2 Outdoor Units ......................3 3. Nomenclature ................... 4 General Information...

  • Page 6: Model Lists

    Function A6 Middle static pressure duct Cooling and heating ● ● ● High static pressure duct Cooling and heating ● ● ● Rinnai Ducted Models Outdoor Units Indoor Units DONSR07Z72 DINLR07Z72 DONSR10Z72 DINLR10Z72 / DINLR10Z721 DONSR12Z72 DINLR12Z72 DONSR14Z72 DINLR14Z72 DONSR17Z72...

  • Page 7: External Appearance

    External Appearance External Appearance 3.1.2 2.1 Indoor Units High static pressure duct A6 Middle static pressure duct 2.2 Outdoor Units Single fan outdoor unit Double fan outdoor unit General Information...

  • Page 8: Nomenclature

    Nomenclature Nomenclature 3.1.3 3.1 Indoor Unit M U B T- 36 H R D N1- Q RC4 Energy Efficiency Code Power Supply Q 220~240V,1N, 50Hz R 380~420V, 3N, 50Hz N 220~230V, 1N, 60Hz D 220V~, 3N, 60Hz C 380~420V,3N,60Hz Refrigerant N1 R410A -- R22 D DC Inverter -- On-Off...
  • Page 9 Indoor Units Part 2 Indoor Units A6 Duct Type ................ 6 High Static Pressure Duct Type ........29 Indoor Units...
  • Page 10 A6 Duct Type A6 Duct Type 1. Features ................7 2. Dimensions ..............12 3. Service Space ..............13 4. Wiring Diagrams ............14 5. Capacity Tables ............... 15 6. Electric Characteristics ..........21 7. Sound Levels ..............22 8. Accessories ..............26 9.

  • Page 11: Features

    Features Features 1.1 Higher Static Pressure  As a ducted air conditioner with medium static pressure, it has the widest static pressure range.  The maximum static pressure reaches 160 Pa 1.2 Slim Design  The industry Lowest height is designed to be fitted into tight roof spaces. *18K unit - 210mm,24K/36K unit - 249mm，48K unit -300mm Constant air volume control ...
  • Page 12 Features 1.5 Flexible Air Intake Way (Bottom side or Rear side)  The frame size of air inlet in rear and bottom is the same. It’s very easy to switch to match different application. Air intake from rear (Standard) Air intake from bottom (Optional) ...

  • Page 13: Easy Maintenance

    Features 1.6 Easy Clean  Clean the filter (Optional, standard product without filter)  It is easy to draw out the filter from the indoor unit for cleaning, even the filter is installed in rear side or bottom side.  With a larger window design, once the motor and the blower wheels have been detached, heat exchanger and water receiver tray in behind can be seen very clearly.
  • Page 14 Features 1.8 Twins Function  The twin system connects two indoor units of the same type and capacity to one outdoor unit in order to ensure more air distribution in a large zone. The controller can only control the master unit. The slave unit will work in the same state as the master unit.
  • Page 15 Features Indoor Units...

  • Page 16: Dimensions

    Dimensions Dimensions Model unit (KBtu/h) 1100 1001 1140 1360 1186 1261 1400 Indoor Units...

  • Page 17: Service Space

    Service Space Service Space Ensure enough space required for installation and maintenance. Indoor Units...

  • Page 18: Wiring Diagrams

    Wiring Diagrams Wiring Diagrams DINLR07Z72 DINLR10Z72 16023000006041 16023000006042 Indoor Units...

  • Page 19: Capacity Tables

    Capacity Tables Capacity Tables 5.1 Cooling Capacity SEE OVER FOR COOLING CAPACITY TABLES. Indoor Units...
  • Page 20 Capacity Tables DINLR07Z72 ID WB( ℃） 16.0 18.0 19.0 22.0 INDOOR AIRFLOW OUTDOOR (CMH) DB（℃） ID DB（℃） 23.0 25.0 27.0 30.0 23.0 25.0 27.0 30.0 23.0 25.0 27.0 30.0 23.0 25.0 27.0 30.0 27.0 0.67 0.79 0.85 0.98 0.57 0.68 0.74...
  • Page 21 Capacity Tables DINLR10Z72 ID WB( ℃） 16.0 18.0 19.0 22.0 INDOOR AIRFLOW OUTDOOR (CMH) DB（℃） ID DB（℃） 23.0 25.0 27.0 30.0 23.0 25.0 27.0 30.0 23.0 25.0 27.0 30.0 23.0 25.0 27.0 30.0 10.1 10.1 10.1 10.1 10.4 10.4 10.4 10.4 11.2 11.2...

  • Page 22: Heating Capacity

    Capacity Tables 5.2 Heating Capacity SEE OVER FOR HEATING CAPACITY TABLES. Indoor Units...
  • Page 23 Capacity Tables DINLR07Z72 [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE INDOOR TC：TOTAL CAPACITY IN KILOWATTS PI：TOTAL POWER IN KILOWATTS AIRFLOW OUTDOOR Indoor Conditions (DB ℃ ) Indoor Conditions (DB ℃) (CMH) DB（℃） 16.0 20.0 22.0 24.0 16.0 20.0 22.0 24.0...
  • Page 24 Capacity Tables DINLR10Z72 [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE INDOOR TC：TOTAL CAPACITY IN KILOWATTS PI：TOTAL POWER IN KILOWATTS AIRFLOW OUTDOOR Indoor Conditions (DB ℃ ) Indoor Conditions (DB ℃) (CMH) DB（℃） 16.0 20.0 22.0 24.0 16.0 20.0 22.0 24.0 -7.0 3.07...

  • Page 25: Electric Characteristics

    Electric Characteristics 6. Electric Characteristics Indoor Unit Indoor Unit Power Supply Model Phase Voltage DINLR07Z72 1.50 0.16 0.74 Middle Static DINLR10Z72 3.50 0.30 2.45 220~240 DINLR12Z72 5.20 0.56 4.10 DINLR14Z72 High Static 5.20 0.56 4.10 DINLR17Z72 5.20 0.70 3.65 Outdoor Unit...

  • Page 26: Sound Levels

    Sound Levels Sound Levels Concealed Duct Type Discharge Suction Duct Duct 1.4m Microphone Noise level dB(A) Model DINLR07Z72 DINLR10Z72 NC Curve DINLR07Z72 Indoor Units...
  • Page 27 Sound Levels DINLR10Z72 Indoor Units...
  • Page 28 Sound Levels NC Curve Outdoor Units Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Notes: -Sound measured at 1.0m away from the center of the unit. -Data is valid at free field condition -Data is valid at nominal operation condition -Reference acoustic pressure OdB=20µPa -Sound level will vary depending on arrange off actors such as the construction (acoustic absorption coefficient) of particular room in which the equipment is...
  • Page 29 Sound Levels DONSR10Z72 Indoor Units...

  • Page 30: Accessories

    Accessories 8. Accessories Name Shape Quantity Tubing & Fittings Soundproof / insulation sheath Drain joint Drainpipe Fittings (for cooling & heating) Seal ring Magnetic ring EMC & It’s Fitting (twist the electric wires L and N around (for some models) the magnetic ring to five circles) Wired controller Wired controller &...

  • Page 31: The Specification Of Power

    The Specification of Power The Specification of Power Model 18000-24000Btu/h 36000Btu/h Phase 1-phase 1-phase OUTDOOR UNIT POWER Frequency and Voltage 220-240V, 50Hz 220-240V, 50Hz POWER WIRING (mm 3×2.5 3×4.0 CIRCUIT BREAKER/Fuse (A) 25/20 40/30 Indoor/Outdoor Connecting Wiring(Weak Electric Signal) (mm 2×0.2 2×0.2 Indoor/Outdoor Connecting Wiring(Strong Electric Signal) (mm...

  • Page 32: Field Wiring

    Field Wiring Field Wiring Indoor Units...
  • Page 33 High Static Pressure Duct Type High Static Pressure Duct Type 1. Features ..............30 2. Dimensions ..............32 3. Service Space ............. 34 4. Wiring Diagrams ............35 5. Static Pressure ............36 6. Capacity Tables ............37 7. Electric Characteristics ..........42 8.

  • Page 34: Features

    Features Features 1.1 High static pressure design  Max static pressure of indoor unit is 200Pa.  The longest distance of air supply is 40m, the max height of air supply is 6.5m.  Specially recommended for spacious and large rooms like large stores and factories. 1.4 Easy maintenance ...
  • Page 35 Features 1.6 Easy cleaning filter  The filter can be easily removed or installed from the rear side for ease of cleaning. Indoor Units...

  • Page 36: Dimensions

    Dimensions Dimensions 42K-48K (suspension position) 2-Φ3.2 Φ5 2-Φ3.2 Φ5 NOTE:12 groups all around NOTE:14 groups all around Indoor Units...
  • Page 37 Dimensions (suspension position) 2-Φ3.2 Φ5 NOTE:16 groups all around(the same of the air inlet flange) Indoor Units...

  • Page 38: Service Space

    Service Space Service Space Ensure enough space required for installation and maintenance. 500mm or more 600mm or more Indoor unit Maintenance and repair space 600mmx600mm Indoor Units...

  • Page 39: Wiring Diagrams

    Wiring Diagrams Wiring Diagrams DINLR12Z72 DINLR14Z72 DINLR17Z72 Indoor Units...

  • Page 40: Static Pressure

    Static Pressure Static Pressure 42,000/48,000Btu/h 60,000Btu/h Indoor Units...

  • Page 41: Capacity Tables

    Capacity Tables Capacity Tables 6.1 Cooling Capacity DINLR12Z72 DINLR12Z72 Outdoor Air Flow WB(℃) Temp DB(℃) DB(℃) 11.71 12.23 12.7 13.15 11.79 12.35 12.77 13.15 11.92 12.52 13.03 13.34 12.02 12.64 13.23 13.59 0.64 0.83 0.56 0.73 0.95 0.44 0.56 0.73 0.86 0.35 0.45...
  • Page 42 Capacity Tables DINLR14Z72 DINLR14Z72 Outdoor Air Flow WB(℃) Temp DB(℃) DB(℃) 13.22 13.71 14.31 14.84 13.31 13.86 14.32 14.84 13.44 14.09 14.65 14.97 13.54 14.23 14.91 15.31 0.67 0.89 0.58 0.77 0.45 0.59 0.78 0.93 0.35 0.46 0.59 0.71 3.31 3.32 3.33 3.31...
  • Page 43 Capacity Tables DINLR17Z72 DINLR17Z72 Outdoor Air Flow WB(℃) Temp DB(℃) DB(℃) 16.15 16.8 17.57 18.2 16.22 16.94 17.57 18.2 16.33 17.13 17.87 18.31 16.41 17.25 18.09 18.63 0.66 0.89 0.58 0.77 0.45 0.59 0.77 0.93 0.35 0.46 0.59 3.91 3.93 3.96 3.98 3.92...
  • Page 44 Capacity Tables 6.2 Heating Capacity DINLR12Z72 DINLR12Z72 Air Flow Outdoor DB(℃) 9.92 9.97 10.03 2.71 2.92 3.03 3.13 10.23 10.29 10.31 10.34 -5.6 2.72 2.94 3.05 3.16 10.83 10.86 10.88 10.9 -2.8 2.76 2.97 3.09 11.39 11.42 11.44 11.46 3.02 3.13 3.24 11.99...
  • Page 45 Capacity Tables DINLR14Z72 DINLR14Z72 Air Flow Outdoor DB(℃) 11.01 11.07 11.1 11.13 2.94 3.18 3.42 11.33 11.39 11.43 11.46 -5.6 2.95 3.19 3.32 3.44 12.08 12.12 12.14 12.16 -2.8 2.99 3.23 3.36 3.49 12.67 12.7 12.72 12.75 3.02 3.26 3.53 13.3 13.34 13.36...
  • Page 46 Capacity Tables DINLR17Z72 DINLR17Z72 Air Flow Outdoor DB(℃) 13.38 13.45 13.49 13.54 3.46 3.59 3.72 13.75 13.82 13.86 13.91 -5.6 3.22 3.48 3.74 14.63 14.72 14.76 14.8 -2.8 3.25 3.51 3.65 3.79 15.39 15.44 15.47 15.5 3.28 3.55 3.68 3.82 16.12 16.17 16.2...

  • Page 47: Electric Characteristics

    Electric Characteristics 7. Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. DINLR12Z72 220-240 DINLR14Z72 220-240 DINLR17Z72 220-240 Note: MFA: Max. Fuse Amps. (A) Indoor Units...

  • Page 48: Sound Levels

    Sound Levels Sound Levels Concealed Duct Type Discharge Suction Duct Duct 1.4m Microphone Noise level dB(A) Model DINLR12Z72 DINLR14Z72 DINLR17Z72 NC Curve DINLR12Z72 Indoor Units...
  • Page 49 Sound Levels DINLR14Z72 DINLR17Z72 Indoor Units...

  • Page 50: Accessories

    Accessories 9. Accessories Name Shape Quantity Tubing & Fittings Soundproof / insulation sheath Drain joint Drainpipe Fittings (for cooling & heating) Seal ring Wired controller Wired controller & Its Frame ， Owner s manual of wired controller Wired controller installation manual ，...

  • Page 51: The Specification Of Power

    The Specification of Power The Specification of Power Model 42000-60000Btu/h Phase 1-phase OUTDOOR UNIT POWER Frequency and Voltage 220-240V, 50Hz POWER WIRING (mm 3×4.0 CIRCUIT BREAKER/Fuse (A) 50/40 Indoor/Outdoor Connecting Wiring(Weak Electric Signal) (mm 2×0.2 Indoor/Outdoor Connecting Wiring(Strong Electric Signal) (mm 3×1.0 Indoor Units...

  • Page 52: Field Wiring

    Field Wiring Field Wiring Indoor Units...

  • Page 53: Outdoor Units

    Outdoor Units Part 3 Outdoor Units 1. Dimensions ..............50 2. Service Space ..............52 3. Piping Diagrams ............. 53 4. Wiring Diagrams ............55 5. Electric Characteristics ..........58 6. Operation Limits............. 59 7. Sound Levels ..............60 8. Capacity Correction ............62 Outdoor Units...

  • Page 54: Dimensions

    Dimensions 1. Dimensions Unit：mm Model(KBtu/h) 1030 1030 Outdoor Units...
  • Page 55 Dimensions Unit：mm Model(KBtu/h) 42/48/60 1333 1045 Outdoor Units...

  • Page 56: Service Space

    Service Space 2. Service Space (Wall or obstacle) More than 30cm Air inlet More than 60cm More than 30cm Maintain channel Air inlet More than 60cm Air outlet More than 200cm Outdoor Units...

  • Page 57: Piping Diagrams

    Piping Diagrams 3. Piping Diagrams DONSR07Z72 INDOOR OUTDOOR Electronic CAPILIARY TUBE expansion valve LIQUID SIDE 2-WAY VALVE T3 Condenser temp. sensor HEAT EXCHANGE (EVAPORATOR) HEAT T4 Ambient T1 Room temp. T2 Evaporator EXCHANGE temp. sensor sensor temp. sensor (CONDENSER) middle T2B Evaporator temp.
  • Page 58 Piping Diagrams DONSR12Z72 DONSR14Z72 DONSR17Z72 INDOOR OUTDOOR Electronic CAPILIARY TUBE expansion valve LIQUID SIDE 2-WAY VALVE T3 Condenser temp. sensor HEAT EXCHANGE HEAT (EVAPORATOR) T4 Ambient T1 Room temp. EXCHANGE T2 Evaporator temp. sensor sensor (CONDENSER) temp. sensor middle T2B Evaporator temp.

  • Page 59: Wiring Diagrams

    Wiring Diagrams 4. Wiring Diagrams DONSR07Z72 Outdoor Units...
  • Page 60 Wiring Diagrams DONSR10Z72 Outdoor Units...
  • Page 61 Wiring Diagrams DONSR12Z72 DONSR14Z72 DONSR17Z72 Outdoor Units...

  • Page 62: Electric Characteristics

    Electric Characteristics 5. Electric Characteristics Outdoor Unit Power Supply Model Voltage Min. Max. DONSR07Z72 220-240V 198V 254V DONSR10Z72 220-240V 198V 254V DONSR12Z72 220-240V 198V 254V DONSR14Z72 220-240V 198V 254V DONSR17Z72 220-240V 198V 254V Outdoor Units...

  • Page 63: Operation Limits

    Operation Limits 6. Operation Limits Temperature Cooling operation Heating operation Drying operation Mode Room temperature 17℃～32℃ 0℃～30℃ 17℃～32℃ 0℃～50℃ （-15℃～50℃：For Outdoor temperature -15℃～24℃ 0℃～50℃ the models with low temperature cooling system） CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally.

  • Page 64: Sound Levels

    Sound Levels 7. Sound Levels Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Model Noise Level dB(A) DONSR07Z72 DONSR10Z72 DONSR12Z72 DONSR14Z72 DONSR17Z72 NC Curve DONSR07Z72 Outdoor Units...
  • Page 65 Sound Levels DONSR10Z72 DONSR12Z72 DONSR14Z72 DONSR17Z72 Outdoor Units...

  • Page 66: Capacity Correction

    Capacity Correction 8. Capacity Correction Correction of cooling and heating capacity in relation to pipe length & height difference (Heat pump) SEE OVER FOR CAPACITY CORRECTION TABLES. Outdoor Units...
  • Page 67 Capacity Correction DINLR07Z72 Pipe Length (m) Model DONSR07Z72 Cooling Indoor 0.896 0.871 0.847 0.926 0.909 0.885 0.860 Upper 0.970 0.940 0.923 0.898 0.873 than Height 0.995 0.980 0.950 0.932 0.907 0.882 Outdoor difference 1.000 0.985 0.954 0.937 0.912 0.887 H (m) Outdoor 0.999...
  • Page 68 Capacity Correction DINLR10Z72 Pipe Length (m) Model DONSR10Z72 Cooling Indoor 0.891 0.867 0.843 0.818 0.806 0.926 0.904 0.880 0.855 0.831 0.819 Upper 0.970 0.940 0.918 0.893 0.868 0.844 0.831 than Height 0.995 0.980 0.950 0.927 0.902 0.877 0.852 0.840 Outdoor difference 1.000 0.985...

  • Page 69: Installation

    Installation Part 4 Installation 1. Installation Procedure ............ 66 2. Location selection ............67 3. Indoor unit installation ........... 68 4. Outdoor unit installation (Side Discharge Unit) .... 68 5. Refrigerant pipe installation ........... 75 6. Drainage pipe installation ..........76 7.

  • Page 70: Installation Procedure

    Installation Procedure Installation Procedure ● Select the appropriate location for the indoor and outdoor units ● Install the indoor unit ● Install the outdoor unit ● Install the interconnecting refrigerant pipe ● Install and connect the condensate drain ● Install the indoor, outdoor and interconnecting wiring ●...

  • Page 71: Location Selection

    Location selection 2. Location selection 2.1 Indoor unit location selection  The place shall easily support the indoor unit’s weight.  The place can ensure the indoor unit installation and inspection.  The place can ensure the indoor unit horizontally installed. ...

  • Page 72: Indoor Unit Installation

    Indoor unit installation 3. Indoor unit installation 3.1 A6 duct indoor unit installation 3.1.1 Service space for indoor unit 3.1.2 Bolt pitch Size of outline dimension mounted plug Capacity(KBtu) 1140 1400 3.1.3 Hang indoor unit 1.Please refer to the upper data to locate the four positioning screw bolt hole on the ceiling. Be sure to mark the areas where ceiling hook holes will be drilled.
  • Page 73 Indoor unit installation 3.The installation of hanging screw bolts. • Cut off the roof beam. • Strengthen the place that has been cut off, and consolidate the roof beam. 4.After the selection of installation location position the refrigerant pipes, drain pipes, indoor & outdoor wires to the connection places before hanging up the machine.
  • Page 74 Indoor unit installation 5.Please refer to the following static pressure to install.. Model(KBtu/h) Static Pressure(Pa) 0-100 0-160 0-160 Change the fan motor static pressure corresponding to external duct static pressure. NOTE: 1.Do not put the connecting duct weight on the indoor unit. 2.When connecting duct, use inflammable canvas tie-in to prevent vibrating.
  • Page 75 Indoor unit installation ③ When install the filter mesh, please plug it into flange as shown in figure below. NOTE: All the figures in this manual are for explanation purpose only. They may be slightly different from the air conditioner you purchased. The actual unit shall prevail.
  • Page 76 Indoor unit installation Size of mounted lug Capacity (KBtu) 42~48 1236 1436 3.2.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings).
  • Page 77 Indoor unit installation 3.2.5 Install the air duct Please design the air duct as below recommended picture Installation...

  • Page 78: Outdoor Unit Installation (Side Discharge Unit)

    Indoor unit installation 4. Outdoor unit installation (Side Discharge Unit) 4.1 Service space for outdoor unit 4.2 Bolt pitch For the value of A,B and D, please refer to the dimension part. 4.3 Install the Unit Since the gravity center of the unit is not at its physical center, so please be careful when lifting it with a sling. Never hold the inlet of the outdoor unit to prevent it from deforming.

  • Page 79: Refrigerant Pipe Installation

    Refrigerant pipe installation Do not lean it more than 45, and do not lay it sidelong. Make concrete foundation according to the specifications of the outdoor units. Fasten the feet of this unit with bolts firmly to prevent it from collapsing in case of earthquake or strong wind. 5.

  • Page 80: Drainage Pipe Installation

    Drainage pipe installation  Insert a flare nut into the pipe before flaring the pipe  According to the following table to flare the pipe Flare dimension A (mm) Pipe diameter Flare shape 90 ° 4 1/4" (6.35) 3/8" (9.52) 12.0 12.4 R0.4~0.8...
  • Page 81 Drainage pipe installation  Ensure at least 1/100 slope of the drainage pipe  Adopt suitable pipe diameter  Adopt nearby condensate water discharge 6.2 Key points of drainage water pipe installation 6.2.1 Considering the pipeline route and elevation  Before installing condensate water pipeline, determine its route and elevation to avoid intersection with other pipelines and ensure slope is straight.
  • Page 82 Drainage pipe installation PVC90 8280 Attention: Adopt PVC40 or bigger pipe to be the main pipe. 6.2.3 Individual design of drainage pipe system  The drainage pipe of air conditioner shall be installed separately with other sewage pipe, rainwater pipe and drainage pipe in building.
  • Page 83 Drainage pipe installation Indoor unit More than 50mm Plug More than 25mm Water storage pipe 6.2.7 Lifting pipe setting of indoor unit with water pump  The length of lifting pipe should not exceed the pump head of indoor unit water pump. Pump head of big four way cassette: 750mm Pump head of compact four way cassette: 500mm ...
  • Page 84 Drainage pipe installation 6.2.9 The end of drainage pipe shall not contact with ground directly. 6.3 Drainage test 6.3.1 Water leakage test After finishing the construction of drainage pipe system, fill the pipe with water and keep it for 24 hours to check whether there is leakage at joint section.
  • Page 85 Drainage pipe installation Note: Drain plug at the main water-containing plate is used for eliminating accumulated water in water-containing plate when maintaining air conditioner fault. During normal operation, the plug shall be filled in to prevent leakage. 6.4 Insulation work of drainage pipe Refer the introduction to the insulation engineering parts.

  • Page 86: Vacuum Drying And Leakage Checking

    Vacuum Drying and Leakage Checking 7. Vacuum Drying and Leakage Checking  Purpose of vacuum drying  Eliminating moisture in system to prevent the phenomena of ice-blockage and copper oxidation. Ice-blockage shall cause abnormal operation of system, while copper oxide shall damage compressor. ...

  • Page 87: Additional Refrigerant Charge

    Additional refrigerant charge If the pressure reached -755mmHg, start to pressure leakage test. If it can not reached the value, repeat vacuum damage and vacuum drying again for 1 hour. Leakage test: After the vacuum degree reaches -755mmHg, stop vacuum drying and keep the pressure for 1 hour.

  • Page 88: Engineering Of Insulation

    Engineering of insulation 9. Engineering of insulation 9.1 Insulation of refrigerant pipe 9.1.1 Operational procedure of refrigerant pipe insulation Cut the suitable pipe → insulation (except joint section) → flare the pipe → piping layout and connection→ vacuum drying → insulate the joint parts 9.1.2 Purpose of refrigerant pipe insulation ...

  • Page 89: Engineering Of Electrical Wiring

    Engineering of electrical wiring 9.2 Insulation of drainage pipe 9.2.1 Operational procedure of refrigerant pipe insulation Select the suitable pipe → insulation (except joint section) → piping layout and connection→ drainage test→ insulate the joint parts 9.2.2 Purpose of drainage pipe insulation The temperature of condensate drainage water is very low.

  • Page 90: Test Operation

    Test operation 11. Test operation 11.1 The test operation must be carried out after the entire installation has been completed. 11.2 Please confirm the following points before the test operation.  The indoor unit and outdoor unit are installed properly. ...

  • Page 91: Electrical Control System

    Electrical Control System Part 5 Electrical Control System 1. Electrical Control Function ........88 2. Troubleshooting ............98 3. Controller ..............126 Electrical Control System...

  • Page 92: Main Protection

    Electrical Control Function 1. Electrical Control Function 1.1 Definition T1: Indoor room temperature T2: Middle indoor heat exchanger coil temperature T2B: Indoor heat exchanger exhaust coil temperature T3: Outdoor heat exchanger pipe temperature T4: Outdoor ambient temperature T5: Compressor discharge temperature 1.2 Main Protection 1.2.1 Compressor Restart Delay 1.2.2 Temperature Protection of Compressor Discharge...
  • Page 93 Electrical Control Function 4：Overspeed 5：Startup malfunction 6：Lack of phase 7：DC voltage too low 8：Communication fault 9：Parameter fault 10：L3 Current limited 11：L5 Voltage limited 12: Target speed cannot be met during the static pressure calculation process. For High-static pressure duct: If the indoor fan speed is lower than 300 RPM for 50 seconds or more, it shuts off and restarts in 30 seconds. If this happens 3 times, the unit stops and the LED displays the failure code.

  • Page 94: Operation Modes And Functions

    Electrical Control Function 1.3 Operation Modes and Functions 1.3.1 Fan 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/(med)/low/auto. (4) The louver operates same as in cooling mode. (5) Auto fan: When it fan-only mode, operates the same as auto fan in cooling mode with the temperature set at 24℃.
  • Page 95 Electrical Control Function Setting fan T1-Td ℃(° F) Actual fan speed speed H+(H+=H+G) H（=H） H-（H-=H-G) M+(M+=M+Z) M(M=M) M-(M-=M-Z) L+(L+=L+D) L(L=L) L-(L-=L-D) The auto fan in cooling mode acts as follows: T1-Td (H-L)*0.75+L (H-L)*0.5+L (H-L)*0.25+L 1.3.2.3 Evaporator Low Temperature T2 Protection. ---T2<0℃, the compressor stops and restarts only when T2≥5℃.
  • Page 96 Electrical Control Function 1.3.3.2 Indoor Fan Running Guidelines In heating mode, indoor fan speed can be set at high, medium, low, or auto fan, and the anti-cold-wind function is preferential. When the compressor is running, The indoor fan is regulated as illustrated as in the following figure: Setting fan T1-Td℃...
  • Page 97 Electrical Control Function TEstop Decrease TEdown Hold TEnorm Resume Off: Compressor stops. Decrease: Decreases the running frequency. Hold: Maintains the current frequency. Resume: No limitation is applied to frequency. 1.3.4 Auto-mode You can choose this mode with the remote control and adjust to temperature to between 17-30. In auto mode, the machine chooses cooling, heating or fan-only mode according to ΔT (ΔT =T1-Ts).
  • Page 98 Electrical Control Function 1.3.6.6 The timer does not change the unit operation mode. If the unit is off now, it does not start up immediately after the “timer off” function is set. When the setting time is reached, the timer LED switches ioff and the unit running mode remains unchanged.
  • Page 99 Electrical Control Function Push SW1 to check the unit's status while running. The digital display shows the following codes each time the SW1 is pushed. Display Remark Normal display Displays running frequency, running state, or malfunction code Actual data*HP*10 If a capacity demand code is higher than 99, the digital display shows single and double digits.
  • Page 100 Electrical Control Function If the digital display shows “1.6", the IGBT radiator temperature is 116 ℃. Indoor unit number The indoor unit can communicate with outdoor unit. General: 1, Twins: 2 If the temperature is lower than 0 ℃, the digital display shows Condenser pipe temperature #1 indoor “0”.
  • Page 101 Electrical Control Function Appendix Shutdown Causes Code Frequency limit caused by current Frequency limit caused by T2 in cooling Frequency limit caused by T2 in heating Preset temperature reached Frequency limit caused by T4 Defrosting Mode switching High discharge temperature protection High evaporator coil temperature T2 protection Evaporator low temperature T2 protection Condenser high temperature T3 protection...

  • Page 102: Troubleshooting

    Troubleshooting 2. Troubleshooting 2.1 Display board 2.1.1 Icon explanation on indoor display board (A6 Duct& High Static Pressure Duct) PRE-DEF indicator(cooling and heating type) or fan only indicator(cooling only type) Alarm indicator Timer indicator Infrared signal receiver Operation lamp Display digital tube Temporary button OPERATION TIMER DEF./FAN ALARM MANUAL...
  • Page 103 Troubleshooting 2.3 Outdoor unit malfunction Display Malfunction or Protection Communication malfunction between indoor and outdoor units Overcurrent protection Ambient temperature sensor (T4) malfunction Outdoor heat-exchanger temperature sensor (T3) malfunction Discharge temperature sensor (T5) malfunction Outdoor EEPROM malfunction Outdoor fan speed malfunction IPM module protection DC voltage too high/too low protection Ultra-low ambient temperature protection...
  • Page 104 Troubleshooting 2.4 Solving steps for typical malfunction 2.4.1 For the indoor unit 2.4.1 For Indoor Units 2.4.1.1 Temperature Sensor Open or Short Circuit Malfunction conditions If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED will display the failure. ●...

  • Page 105: Possible Causes

    Troubleshooting 2.4.1.3. Indoor EEPROM Malfunction Malfunction conditions Main PCB chip does not receive feedback from EEPROM chip ● Installation mistakes Possible causes ● Faulty PCB Power off, then restart the unit 2 minutes later. Does a problem remain? Replace the indoor main PCB EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and reprogrammed using a pulsed voltage.
  • Page 106 Troubleshooting 2.4.1.5. Indoor Fan Speed Malfunction Power off, then restart the unit Power off, then restart the unit minutes The unit is operating normally later. Do problems still minutes The unit is operating normally later. Do problems still remain? remain? Shut off the power supply, Shut off the power supply, Find out the cause of the problem and...
  • Page 107 Troubleshooting 2.4.1.6. Refrigerant Leakage Detection Malfunction conditions Define the evaporator coil temperature T2 of the compressor starts running as Tcool. If the following occurs 3 times, the display shows "EC" and the unit switches off: In the first 8 minutes after the compressor starts up, if T2 ＜Tcool－2℃ is not maintained for 4 seconds and compressor running frequency is not higher than 50Hz for 3 minutes Potential causes...
  • Page 108 Troubleshooting 2.4.2 Units with TWINS Function (for the Super-Slim Cassette & A5 Duct) 2.4.2.1 Communication between Master Unit and Indoor Unit Malfunction F3 Displayed F3 Displayed Communication failure between Communication failure between master unit and slave unit master unit and slave unit Check the dial switch settings of Check the dial switch settings of Correct the...
  • Page 109 Troubleshooting 2.4.3 Outdoor Units 2.4.3.1. F4 Malfunction Malfunction conditions Main PCB chip does not receive feedback from EEPROM chip ● Installation mistakes Possible causes ● Faulty PCB F4- Display F4- Display Outdoor EEPROM malfunction Outdoor EEPROM malfunction Power off, then restart the Power off, then restart the unit 2 minutes later.
  • Page 110 Troubleshooting 2.4.3.2. E1 malfunction For 485 Communication Malfunction Indoor unit does not receive feedback from outdoor unit for 60 conditions seconds OR outdoor unit does not receive feedback from indoor unit for 120 seconds. ● Wiring mistakes Possible causes ● Faulty indoor or outdoor PCB E1 displayed E1 displayed Communication malfunction between indoor...
  • Page 111 Troubleshooting 2.4.3.3. J4 Malfunction J4 displayed J4 displayed Communication error between outdoor main Communication error between outdoor main chip and compressor driven chip chip and compressor driven chip Is there at least one LED in the Is there at least one LED in the compressor driven chip light? compressor driven chip light? Check the signal wire between the...
  • Page 112 Troubleshooting 2.4.3.4. F1, F2, F3 Malfunction E4 displayed E4 displayed Judge 1: Outdoor condenser temp. sensor (T3) is malfunctioning Judge 1: Outdoor condenser temp. sensor (T3) is malfunctioning Is the wiring of the condenser temp. Reconnect the condenser Is the wiring of the condenser temp. Reconnect the condenser sensor (T3) not connected properly? temp.
  • Page 113 Troubleshooting 2.4.3.5. P6 Malfunction Malfunction conditions An abnormal voltage rise or drop is detected by checking the specified voltage detection circuit.  Abnormal power supply Possible causes  Wiring mistakes  Faulty bridge rectifier  board Faulty IPM Electrical Control System...
  • Page 114 Troubleshooting P6 displayed P6 displayed Compressor voltage protection Compressor voltage protection Restart the unit when the power Restart the unit when the power Is the power voltage normal? Is the power voltage normal? supply returns to normal supply returns to normal Are the power Are the power Is outdoor terminal voltage...
  • Page 115 Troubleshooting 2.4.3.6. F5 Malfunction The same as E3 in indoor. 2.4.3.7. J5 Malfunction Malfunction conditions If the sampling voltage is not 5V, the LED displays a failure code. ● Possible causes Wiring mistakes ● Faulty overload protector ● System blockages ●...
  • Page 116 Troubleshooting J5 displayed J5 displayed High pressure protection High pressure protection Are the high pressure Connect high pressure Are the high pressure Connect high pressure switch and main control switch and mian control switch and main control switch and mian control boar wired correctly? board board...
  • Page 117 Troubleshooting 2.4.3.8. J6 Malfunction Malfunction conditions If the sampling voltage is not 5V, the LED displays a failure code. ● Possible causes Wiring mistake ● Faulty over load protector ● System blockages ● Faulty outdoor PCB Electrical Control System...
  • Page 118 Troubleshooting J6 displayed J6 displayed Low pressure protection Low pressure protection Reconnect the low Reconnect the low Are the low pressure Are the low pressure pressure protector pressure protector protector and main control protector and main control and main control and main control board wired properly? board wired properly?
  • Page 119 Troubleshooting Electrical Control System...
  • Page 120 Troubleshooting 2.4.3.9. F0 Malfunction Malfunction conditions If the outdoor current exceeds the current limit value, the LED displays a failure code. ● Possible causes Wiring mistakes ● Faulty bridge rectifier ● System blockages ● Faulty outdoor PCB Electrical Control System...
  • Page 121 Troubleshooting F0 displayed F0 displayed Current protection of compressor Current protection of compressor Was the protection activated Was the protection activated in standby? in standby? Is the power voltage is Restart the unit when the power Is the power voltage is Restart the unit when the power normal? supply returns to normal...
  • Page 122 Troubleshooting 2.4.3.10. J2 Malfunction Malfunction conditions When the compressor discharge temperature (T5) is more than 115℃ for 10 seconds, the compressor will stop and not restart until T5 is less than 90℃. Possible causes Refrigerant leakage ● Wiring mistake ● Faulty discharge temperature sensor ●...
  • Page 123 Troubleshooting 2.4.3.11. J1 Malfunction Error Code Malfunction conditions When the outdoor pipe temperature is more than 65° C, the unit stops. It starts again only when the outdoor pipe temperature is less than 52° C. Possible causes Faulty condenser temperature sensor ●...
  • Page 124 Troubleshooting 2.4.3.12. P0 Malfunction Malfunction conditions When the voltage signal te IPM sends to compressor drive chip is not normal, the LED displays “P0” and the unit turns off. Possible causes Wiring mistakes ● Faulty IPM board ● Faulty outdoor fan assemby ●...
  • Page 125 Troubleshooting P0 displayed P0 displayed IPM module protection IPM module protection Restart the unit when the power supply Restart the unit when the power supply Is the power voltage normal? Is the power voltage normal? returns to normal returns to normal Is the outdoor terminal voltage Are the power wires Reconnect the power...
  • Page 126 Troubleshooting 2.4.3.13. J0 Malfunction Malfunction conditions When evaporator coil temperature is more than 60° C, the unit stops. It starts again only when the evaporator coil temperature is less than 54° C  Possible causes Faulty evaporator coil temperature sensor ...
  • Page 127 Troubleshooting Appendix 1 Temperature Sensor Resistance Value Table (℃--K) ℃ ℃ ℃ ℃ K Ohm K Ohm K Ohm K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249 0.61148 101.517 11.5000 2.19073 0.59386 96.3423 10.9731 2.11241 0.57683 89.5865 10.4736 2.03732 0.56038 84.2190 10.000...
  • Page 128 Troubleshooting Appendix 2 Unit: ℃---K Discharge temp. sensor table 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 62.73 12.65 3.492 455.9 59.98 12.21 3.392 430.5 57.37 11.79 3.296 406.7 54.89 11.38 3.203 384.3 52.53 10.99 3.113 363.3 50.28 10.61 3.025 343.6 48.14 10.25...
  • Page 129 Troubleshooting Appendix 3 Normal voltage of P and N 208-240V(1-phase,3-phase) 380-420V(3-phase) In standby 310VDC around 530VDC around In operation With passive PFC With partial active With fully active module PFC module PFC module >200VDC >310VDC >370VDC >450VDC Appendix 4 1.Compressor checking Measure the resistance value of each winding by using the tester.

  • Page 130: Wireless Remote Controller

    Controller 3. Controller 3.1Wireless Remote Controller 3.1.1RG51Q1/BGE General Function for wireless remote controller: Model RG51Q1/BGE Rated voltage 3.0V(2pieces of LR03 7＃ batteries) Min voltage for sending signal of CPU 2.4V Effective receiving distance 8m~11m Operation condition -5~60℃ Electrical Control System...
  • Page 131 Controller Buttons and functions 1. Adjust : Decrease the set temp. Keeping pressing will decrease the temp with 1℃ per 0.5s. 2. Adjust : Increase the set temp. Keeping pressing will increase the temp with 1℃ per 0.5s. 3. MODE: Once pressing, running mode will be selected in the following sequence: AUTO COOL HEAT...
  • Page 132 Controller 3.1.2 RG51C/E Remote Controller Specifications Model RG51C/E Rated Voltage 3.0V Lowest Voltage of CPU Emitting Signal 2.0V Reaching Distance 8m (when using 3.0 voltage, it can get 11m) Environment Temperature Range -5℃～60℃ Introduction of Function Buttons on the Remote Controller SE T TEMP ERATURE( C ) AUT O FA N...
  • Page 133 Controller angle for each press. 5. HORIZ SWING: Used to stop or start vertical louver movement. 6. FAN SPEED+ MODE: Press the Mode and Fan speed button simultaneously for 2 seconds. The remote controls into faceplate setting state and the LCD shows F2.Press the TEMPUP( ) to control the faceplate up and press the TEMP DOWN( ) to control the faceplate down.

  • Page 134: Wired Remote Controller

    Controller 3.2 Wired Remote Controller 3.2.1KJR-12B Name and functions of buttons on the wire controller Mode button: When press this button, the operation mode change as the following sequence: AUTO COOL HEAT Remark: For the cooling only model, the heating mode is skipped. Timer on button: Press this button, timer on function is active.
  • Page 135 Controller Reset button (hidden): Use a 1mm stick to press in the little hole , then the current setting is canceled . The wire controllers enter into original state. ON/OFF button: When in off state, press this button, the indicator is on, the wire controller enter into on state, and send setting information to indoor PCB.
  • Page 136 Controller Timer: When adjust setting on time or only on time is set, the “ON” is lighted. When adjust setting off time or only off time is set, the” OFF" is lighted. If on and off timer are both set, the “ON” and “OFF” are both lighted.
  • Page 137 Controller NOTE ●The connecting wire should be a little longer as to take away the switch board easily for maintenance. ●The connecting wire should be a little longer as to take away the controller easily for maintenance. Electrical Control System...
  • Page 138 Controller 3.2.2 KJR-120C1/BTF-E Name and functions of buttons on the wire controller Electrical Control System...
  • Page 139 Controller 1. Power button: When in off state, short press this button, the operation lamp lits brightly. When in on state, short press this button, the operation lamp does not lit. If timer on or timer off has been set, it will not cancel this setting.
  • Page 140 Controller Name and function of LCD on the wire controller Installation 1. Connect the female joint of wires group from the mainboard with the male joint of connective wires group. 2. Please connect the other side of connective wires group with the male joint of wires group leads from wire controller Electrical Control System...
  • Page 141 Controller 3. Insert a slot screwdriver into the slots in the lower part of the wire controller (2 places), and remove the upper part of the wire controller. 4.Fasten the back plate of the wire controller  For exposed mounting, fasten the back plate on the wall with the 3 screws (M4×20) and plugs.
  • Page 142 Controller 5. Battery installation  Put the battery into the installationsite and make sure the positive side of the battery is in accordance with the positive side of installationsite.  Please set the time corrected on the first time operation. Batteries in the wire controller can timing under power failure which ensure the time keep right.
  • Page 143 Controller B.Shielded wiring 7. Reattach the upper part of the wire controller After adjusting the upper case and then buckle the upper case; avoid clamping the wiring during installation Electrical Control System...
  • Page 144 *Cost of a local call higher from mobile or public phones. • Manufacturer’ s Installation Instructions • Current AS/NZS 3000, AS/NZS 3500 & AS/NZS 5601 For further information visit www.rinnai.com.au • Local Regulations and Municipal Building Codes or email enquiry@rinnai.com.au including local OH&S requirements...

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