Ducted Reverse Cycle Inverter
Operation & Installation Manual
Models:Outdoor Units
Indoor Units
DONSR20Z9
DINLR20Z7
DONSR24Z9
DINLR24Z7
Page 1: ...Ducted Reverse Cycle Inverter Operation Installation Manual Models Outdoor Units Indoor Units DONSR20Z9 DINLR20Z7 DONSR24Z9 DINLR24Z7 ...
Page 2: ...ctions 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: ...utdoor 34 16 Precautions 34 17 Attached Fittings 34 18 Outdoor Unit Installation 36 19 Install The Connecting Pipe 38 20 Electrical Wiring 41 21 Test Running 45 22 Precautions On Refrigerant Leakage 46 23 Turn Over To Customer 46 24 Technical Specifications 47 25 Cleaning the Indoor Unit 48 26 Cleaning the Outdoor Unit 48 27 General Maintenance 48 28 Maintenance Pre Season Inspection 48 Care Maint...
Page 4: ...as set out in this manual Compliance with these requirements will prolong the useful life of your appliance and help ensure it operates efficiently The Service Maintenance Schedule specifies specific items to be performed at prescribed intervals by qualified licensed technicians The schedule should also be fully completed and retained as a record of who carried out the service the date and actions...
Page 5: ... maintenance can cause electric shocks fire or water leaks This unit should only be re positioned or re installed by a professional technician Incorrect installation can lead to electric shocks fire or water leaks The installation and grounding of electrical appliances should only be carried out by licensed professionals Ask your supplier or installation engineer for further information DO NOT all...
Page 6: ...amaged by moisture under the unit When the humidity is greater than 80 or if the drain pipe is blocked or the air filter is dirty water could drip from the unit and damage objects placed under the unit Ensure that the drain pipe functions properly If the drain pipe is blocked by dirt or dust water leaks may occur when the unit is running in cooling mode If this happens turn the unit off and contac...
Page 7: ...hey have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they DO NOT play with the appliance This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervi...
Page 8: ...ion Normal operation Operation indicator on Cooling and heating modes set temperature Fan only mode indoor ambient temperature Cold draft prevention or outdoor unit defrosting operation Operation and Anti cold defrosting indicators on Set temperature A timer has been set Timer indicator on The display panel should be installed in the celling nothing can be exposed but the panel face Air Outlet Air...
Page 9: ...ion of outlet airflow as doing so might ensure more efficient operation Avoid too much outdoor air coming into air conditioned spaces 4 MAINTENANCE CAUTION Please release pressure before disassembly Before you clean the air conditioner ensure it is powered off Check that the wiring is undamaged and connected Use a dry cloth to wipe the indoor unit and controller A wet cloth may be used to clean th...
Page 10: ...dity in the room is reduced to normal levels The unit occasionally emits white mist when it runs in heating mode This occurs when the system finishes periodic defrosting Moisture that may accumulate on the unit s heat exchanger coil during defrosting becomes mist and is emitted from the unit Symptom 3 Symptom 4 Dust is emitted from the unit This can occur when the unit first runs after a long idle...
Page 11: ...ring the hottest part of the day The outside temperature is unusually high The cooling capacity of the system reduces as the outdoor temperature rises and the system may not provide sufficient cooling if the local climate conditions are not considered when the system s outdoor units were selected Engage a professional air conditioning engineer to check the following The unit s heat exchanger is di...
Page 12: ...n twice 6 5 Error Codes With the exception of a mode conflict error contact your supplier or service engineer if any of the error codes listed in the following table are displayed on the unit s display panel If the mode conflict error is displayed and persists contact your supplier or service engineer These errors should only be investigated by a professional technician The descriptions are provid...
Page 13: ... lifting device Improper lifting may result in serious injury Take care when opening or unpacking this appliance Failure to do so may result in serious injury or product failure DO NOT modify the electrical wiring of this appliance If the control power wiring is damaged or deteriorated then it must be replaced by an authorised person Failure to do so may result in electric shock fire serious injur...
Page 14: ...d windows immediately to ventilate the area Refrigerant can produce toxic gases when in contact with fire Switch off the power supply before touching any electrical component DO NOT come in direct contact with the refrigerant leaking from the connections of refrigerant piping Otherwise it may lead to frostbite The air conditioner must be grounded DO NOT connect the earth line ground to gas piping ...
Page 15: ...mechanical parts will experience accelerated ageing which will severely compromise the service life of the unit Where there are major voltage fluctuations Operating the unit using a power supply system that has large voltage fluctuations will reduce the service life of the electronic components and cause the unit s controller system to malfunction Where there is a risk of leakage of flammable gase...
Page 16: ...from the appliance turn the appliance OFF isolate the power supply and contact a service agent DO NOT operate the appliance if it has been submerged into water due to flooding contact a service agent Failure to do so may result in electric shock fire serious injury or product failure This appliance is NOT intended for use by persons including children with reduced physical sensory or mental capabi...
Page 17: ... is based on the diameter of the copper and PVC pipes The thickness of the pipe casing is 10 mm or more Increase the thickness of the casing 20 mm or thicker when the temperature exceeds 30 C or the humidity exceeds RH80 To purchase based on actual project requirements Protect piping from condensation 5 Expansion hook anchor M10 To purchase based on actual project requirements For installation of ...
Page 18: ...is shown in Figure 3 and Figure 4 below Maintenance room Maintenance room Electric control box assembly Inspection 600 mm x 600 mm 600 mm 500 mm Air outlet side Air return side Side face wall Side face wall Electric control box assembly 40 mm For Inspection 600 mm Air outlet side Air return side Ceiling Ensure that the minimum slope for water discharge is more than 1 100 and that the unit body slo...
Page 19: ...gineers How the lifting bolt is secured depends on the specific situation and it must be secure and reliable 9 2 Installation of the Indoor Unit When mounting the lifting lugs of the indoor unit on the lifting bolts slot the nut washers of the lifting bolts in the oblong holes of the lifting lugs The upper and lower nuts and the washers are shown in Figure 9 Adjust the height of the indoor unit Us...
Page 20: ...ct to water piping Return Air Inlet Flange Air Outlet Flange Return Air Inlet Air Outlet Positions of 4 12 25 lifting bolts Electric control box assembly Connection hole for the air duct 936 L 342 W 56 1122 L 73 75 931 56 64 105 68 5 205 510 42 121 80 100 110 100 301 301 1274 1454 378 W Figure 11 Rinnai 20 Ducted Reverse Cycle Inverter Installation Manual Indoor INSTALLATION INDOOR ...
Page 21: ...the room through the wall opening into the room Be careful when you lay out the piping Do not damage the piping 10 4 Piping Installation Refer to the installation manual attached with the outdoor unit on installation of the refrigerant piping for the outdoor unit All gas and liquid piping must be properly insulated otherwise this may cause water to leak Use heat insulation materials that can withs...
Page 22: ...s fill the pipes with nitrogen first to discharge the air in the pipes If no nitrogen is filled during welding a large amount of oxide film will form inside the piping which may cause the air conditioning system to malfunction Welding can be carried out on the refrigerant pipes when the nitrogen gas has been replaced or refilled When the pipe is filled with nitrogen during welding the nitrogen mus...
Page 23: ...purchase the appropriate piping length from a sales agent local after sales service centre or local market The piping length should be at least the same length as the body of the unit 2 Insert the water discharge pipe into the end of the water suction connecting pipe of the unit body and use the ring clamp accessory to clamp the water discharge pipes with the insulation casing for the water outlet...
Page 24: ...or a water discharge duct connected to the main drain pan in the indoor unit the water discharge piping must include a water storage elbow to prevent loading pressure from building up and causing poor water drainage water leaks or water being discharged out of the air outlet duct when the indoor unit is running b In a scenario where the indoor unit runs continuously for long periods 48 hours or mo...
Page 25: ...n the permitted range of the indoor unit Refer to 12 2 Fan Performance on page 26 4 Connect the canvas duct to the air return and air outlet ducts to prevent vibrations from the indoor unit transferring to the ceiling 5 Use insulation materials at a thickness of 25 mm or more to prevent condensation on the air duct 6 Connect the air duct as shown in Figure 22 Figure 22 NOTE On site preparation req...
Page 26: ...ettings on main board for SW2 setting or the wired controller manual for wired controller setting Table 7 Four ESP can be set through DIP switch SW2 Capacity ESP1 ESP2 ESP3 ESP4 20 0 24 0kW 170Pa 100Pa 200Pa 250Pa Table 8 Twenty ESP can be set through the new wired controller Capacity 20 0 24 0kW 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 30Pa 50Pa 60Pa 70Pa 80Pa 90Pa 100Pa 110Pa ...
Page 27: ...mage to electrical components At the same time these line must not come in contact with the piping and valves Choose electrical wiring that conforms to the corresponding electrical requirements Connect to the power supply only after all the wiring and connection works have been completed and carefully checked to be correct 13 1 Power Cord Connection Use a dedicated power supply for the indoor unit...
Page 28: ...r units Shield 3 AWG16 AWG20 Communication wire between indoor unit and wired controller Shield AWG16 AWG20 Field fuses breaker 15A Please refer to the corresponding wired controller manual for the wired controller wiring Table 10 Model name Power supply IFM Hz Volts MCA MFA kW FLA 20 0kW 50 60 220 240 6 7 15 0 8 5 4 24 0kW 50 60 220 240 6 7 15 0 92 5 4 Abbreviations MCA Minimum Circuit Amps IFM I...
Page 29: ... shielded wiring in the network are interconnected and will eventually connect to earth at the same point Do not bind the refrigerant piping power cords and communication wiring together When the power cord and communication wiring are parallel the distance between the two lines must be 300 mm or more in order to prevent signal source interference Communication wiring must not form a closed loop C...
Page 30: ...ation port display board side are for different types of wired controllers See Figure 31 Use the connecting wires accessory 8 to connect the D1 D2 ports Figure 31 Indoor unit 1 Display Board A B C D A B C D Wired Controller 1 1 CN15 XS4 XP4 Main Board CN17 Display SW5 SW4 SW3 SW2 SW1 ENC1 SW6 SW7 P Q E X1 X2 Yellow Gray Black White Blue XT2 To wired controller comm bus D1 D2 Wired controller A B C...
Page 31: ...00W CAUTION The capacity DIP switches have been configured before delivery Only a professional maintenance personnel should change these settings 14 2 Address Settings When this indoor unit is connected to the outdoor unit the outdoor unit will automatically allocate the address to the indoor unit Alternatively you may use the controller to manually set the address The network address and the indo...
Page 32: ...ode fan does not run when indoor heat exchanger mid point temperature is 24 C or below SW4 011 In heating mode when the set temperature has been reached the fan operates in a 16 minutes off 1 minute on repeating cycle SW5 011 In heating mode fan does not run when indoor heat exchanger mid point temperature is 26 C or below SW6 SW6 00 Heating mode temperature compensation is 6 C SW6 01 Heating mode...
Page 33: ...nits 10 Cut off valves for the gas and liquid ends are opened 11 Connect to the power supply to let the air conditioner warm up first 15 2 Test Run Use wired remote controller to control and operate the air conditioner in the cooling mode Check the following items according to the manual If there is any fault troubleshoot by referring to the section Remote Controller Troubleshooting on page 11 in ...
Page 34: ... water dust former refrigerant or refrigerating oil does not enter the refrigeration cycle To prevent charging an incorrect refrigerant and refrigerating oil the sizes of connecting sections of charging port of the main unit and installation tools are charged from those for the conventional refrigerant Accordingly the exclusive tools are required for the new refrigerant R410A For connecting pipes ...
Page 35: ...t does not block a passage When the outdoor unit is installed in an elevated position make sure it s four feet are securely installed There must be sufficient space for carrying in the unit A place where the drain water does not cause any hazards CAUTION Install the outdoor unit at a place where discharge air is not blocked When an outdoor unit is installed in a place that is always exposed to a s...
Page 36: ...wer station or high frequency equipment Install indoor unit outdoor unit power cord and connecting wire at least 1m away from TV set or radio to prevent noise or picture interference The insulation of the metal parts of the building and the air conditioner should comply with the regulation of National Electric Standard CAUTION Keep indoor unit outdoor unit power supply wiring and transmission wiri...
Page 37: ...Figure 36 Figure 36 NOTE All illustrations used in this manual are for explanatory purposes only They may vary slightly from the air conditioner you purchased depending on the model The actual unit shape shall prevail 18 4 Centralised Chassis Drainage When the outdoor unit requires centralised drainage install the chassis and two waterproof covers for the chassis as shown in Figure 37 Install the ...
Page 38: ... following requirements Figure 38 19 1 Refrigerant piping CAUTION Please pay attention to avoid damage to the components while attaching to the connecting pipes To prevent the refrigerant piping from oxidizing inside when welding it is necessary to charge nitrogen or oxide will block the refrigeration system The indoor and outdoor connecting pipe interface and power line outlet Various piping and ...
Page 39: ...0 C When the external diameter of copper pipe Φ12 7mm the thickness of the insulating layer at least 15mm When the external diameter of copper pipe Φ15 9mm the thickness of the insulating layer at least 20mm Please use attached heat insulating materials to insulate without clearance for the connecting parts of the indoor unit pipes Figure 41 19 5 Confirmation for the diameters of outdoor unit conn...
Page 40: ...re is no any dirt or water before connecting the piping to the outdoor units Flush the piping with high pressure nitrogen never use refrigerant of outdoor unit 19 7 Pressure Test Charge pressured nitrogen after connecting indoor outdoor unit piping to pressure test CAUTION 1 Pressured nitrogen 4 3MPa 44kg cm2 for R410A should be used in the pressure test 2 Tighten high pressure low pressure valves...
Page 41: ... outdoor unit If the power supply uses a branch loop install an electricity leakage protector and a manual switch The power supply electric leakage protectors and manual switches of the indoor units that connect to the same outdoor unit must be universal Use the same loop for the indoor unit power connect to the same outdoor unit must be universal Use the same loop for the indoor unit power suppli...
Page 42: ...nnected to a weak current Do not connect it to strong current All wiring terminals must be securely fixed The grounding wire must be grounded as required After connecting to the connector base the power cable must be securely fixed After all wires are connected check the correctness all components before powering on P Q E L N B C N A P Q E Outdoor unit Outdoor power supply Indoor unit Distribution...
Page 43: ... three core shielded cable as the indoor outdoor unit signal cable and ground the shielding layer as required The display box remote control and build out resistor are accessories for the indoor unit The wired controller is optional To purchase a wired controller contact your local distributor P Q E P E Q Outdoor Indoor unit unit A B N C XT2 Power Supply Wired Controller X1 X2 P Q E Indoor and out...
Page 44: ...tion is indicated in broken line table users can select it when necessary Indoor Outdoor Unit Signal Wire Connect the wire according to their numbers Wrong connection may cause malfunction Wiring Connection Seal the wiring connection with the insulation material or the condensing dew will be caused NOTE The air conditioners can connect with Central Control Monitor CCM Before operation please wirin...
Page 45: ...s and indoor unit outdoor unit connection signal wire are in the same system When power cord is parallel with signal wire please put them into separate wire distribution pipes and leave a proper distance Reference distance It is 300mm when current capacity of power cord is less than 10A or 500mm when 50A Please use shield wire as indoor unit outdoor unit signal wire Indoor Outdoor unit signal wire...
Page 46: ...ory refrigerant volume super addition 2 Calculate the indoor volume B m3 as the minimum volume 3 Calculate the refrigerant concentration Counter measure against over high thickness 1 Install mechanical ventilator to reduce the refrigerant thickness under critical level ventilate regularly 2 Install leak alarm facility related to mechanical ventilator if you can not regularly ventilate Figure 46 Re...
Page 47: ... 550 1509 x 990 x 550 Net Gross weight kg 130 142 130 142 Duct Connections Supply Air W H mm 936 x 378 936 x 378 Return Air W H 1122 x 342 1122 x 342 Condensate Drain Pipe Diameter OD 32 Refrigerant Piping Liquid Gas Connections 12 7 22 20 12 7 22 20 Moisture Removal L h 14 0 16 0 Controller Type Wired Programmable Controller Operating Range C 10 40 10 40 Outdoor Unit DONSR20Z9 DONSR24Z9 Power Sup...
Page 48: ...on has not grown around the unit plants weeds etc The cabinet should be kept clean and have the recommended clearances maintained Ensure the discharge air is free to dissipate and under no circumstances recirculates back into the unit Ensure there is no water build up including from condensate drain on or around the unit NOTE Any unit repairs maintenance and cleaning of the outdoor unit should be ...
Page 49: ..._____________________ Serial Number Indoor Unit ________________________________________________________________ Serial Number Outdoor Unit ________________________________________________________________ Installation Address ________________________________________________________________ ________________________________________________________________ ____________________________________________...
Page 50: ...rn Air Temp Cooling Heating o C o C o C o C o C o C Outlet Air Temp Cooling Heating o C o C o C o C o C o C Outdoor unit Liquid line a P k a P k a P k a P k a P k a P k e r u s s e r p Outdoor unit Suction line a P k a P k a P k a P k a P k a P k e r u s s e r p Zone Operation If Applic Ductwork and fittings Return Air grille filters Airflow through system Refrigerant pipework Safety tray Zone motors...
Page 51: ...wing inside the indoor unit and is normal Both the indoor unit and outdoor unit make noises Low hissing sound during operation This is normal and is caused by refrigerant gas flowing through both indoor and outdoor units Low hissing sound when the system starts has just stopped running or is defrosting This noise is normal and is caused by the refrigerant gas stopping or changing direction The out...
Page 52: ... Doors and windows are open Make sure that all doors and windows are closed while operating the unit Excessive heat is generated by sunlight Close windows and curtains during periods of high heat or bright sunshine Too many sources of heat in the room people computers and electronics etc Where possible reduce the amount of heat sources Low refrigerant due to a leak or after long term use contact R...
Page 53: ...emoval and or cleaning of you filter s please contact your Installer for assistance If grass clippings leaves shrubbery and debris are kept away from the Outdoor Unit minimal care should be sufficient to keep the system functioning properly However if the outdoor coil becomes dirty use a soft brush or vacuum and soft brush attachment to clean the exterior surface If dirt is trapped deep within the...
Page 54: ...he unit Foreign objects fall into the unit If the unit has been exposed to flooding DO NOT ATTEMPT TO FIX THESE YOURSELF TURN OFF THE AIR CONDITIONER CONTACT RINNAI 38 DISPOSAL GUIDELINES This appliance contains refrigerant and other potentially hazardous materials When disposing of this appliance the law requires special collection and treatment DO NOT dispose of this product as household waste o...
Page 55: ...ns 8 30am to 5 00pm Monday to Friday excluding public holidays 7 Operating Installation Instructions means the user manual or other documentation which provides detailed instructions on the proper operation and maintenance of the Product 8 Other Applications means any Product used for purposes other than Residential Light Commercial Applications OtherApplications may include but are not limited to...
Page 56: ...performed during Normal Business Hours by anAuthorised Service Representative Repair by persons other than anAuthorised Service Representatives may void the Warranty 2 4 Alternatively to clause 2 3 above Rinnai can at its discretion elect to pay you an amount equivalent to the cost of repairing or replacing the Product 2 5 If Rinnai provides you with either the replacement costs or replacement pro...
Page 57: ...r poor external electrical wiring incorrect or faulty power supply voltage fluctuations over voltage transients or electromagnetic interference inadequate or faulty gas drainage services or water services including water pressure and non potable water d damage problems or failure caused by acts of God fire wind lightning flood storm hail storm fallout vandalism earthquake war civil insurrection mi...
Page 58: ...ight charges in transit insurance expenses or travelling costs without written authorisation from Rinnai Rinnai will not reimburse the Purchaser for such costs 6 3 The Purchaser must pay all costs and expenses in respect of a any service call out fee if the Product is not accessible for service b making the Product accessible for service for example restricted access or working at heights or the l...
Page 59: ...NOTES Rinnai 59 Ducted Reverse Cycle Inverter OIM ...
Page 60: ...r public phones For further information visit www rinnai com au or email enquiry rinnai com au Rinnai has a Service and Spare Parts network with personnel who are fully trained and equipped to give the best service on your Rinnai appliance If your appliance requires service please call our National Help Line Rinnai recommends that this appliance be serviced every 2 years With our policy of continu...
