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Summary of Contents for Rinnai HydraHeat RHPN361S
- Page 1 Model: RHPN361S HydraHeat Split Hot Water Heat Pump Installation guide...
- Page 2 For more information about buying, using, and servicing of Rinnai appliances call: 0800 RINNAI (0800 746 624). Rinnai New Zealand Limited...
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Page 3: Table Of Contents
Contents Important information..........4 Before you start ............5 Specification ............6 Dimensions (mm) ..........7 Cylinder criteria.............7 Clearances ............8 Data label .............8 Schematic .............9 Location ..............10 Connections and plumbing arrangement .....12 Connecting the heat pump and cylinder ....14 Cylinder connections ..........15 Electrical supply and connections ......16 Connecting the cylinder temperature sensor ..18 Plumbing schematic - side port connection ..20 Plumbing schematic - top port connection....20... -
Page 4: Important Information
Important information WARNING Installation and service to be carried out by a licensed tradesperson. DO NOT operate this system before reading the operation and installation information. DO NOT place articles on or against this appliance. DO NOT store chemicals or flammable materials near this appliance. DO NOT operate with panels or covers removed from this appliance. -
Page 5: Electrical Supply
Electrical supply Rinnai does not endorse the use of power supplies that supply clipped waveform AC power to the appliance and will not warrant any product connected to such a supply. Similarly if an appliance is supplied with an over-voltage / overcurrent supply, this is also not warrantable. -
Page 6: Specification
Specification Product description Designed and assembled in New Zealand, the Rinnai HydraHeat Split is designed primarily for outdoor installations. It may be possible to install the HydraHeat internally if the proposed location is not an occupied space as defined by AS/NZS 5149, refer p.10 for more information. -
Page 7: Dimensions (Mm)
5 Single element mains pressure cylinder, 180-340 L, element size 3 kW or less 5 A Rinnai, HJ Cooper, or Rheem cylinder that is eight years old or less 5 Cylinder not connected to supplementary heating (e.g. wetback, solar thermal etc) -
Page 8: Clearances
Water inlet temperature 5 °C minimum 30 °C maximum Water outlet temperature 55 °C minimum 60 °C maximum Power 230-240 VAC 50 Hz, 16 A IP rating IPX4 Manufactured date YY / MM Manufactured by Rinnai NZ Ltd, Auckland NZ... -
Page 9: Schematic
Schematic • All weather OLED (organic light emitting diode) display, capacitive (uses conductive touch of a human finger) Reversing valve Condensor Data plate Air vent Control PCB Evaporator Evaporator Ambient User temp. interface thermistor Expansion valve and coil Distributor Cylinder Pressure thermistor transducer... -
Page 10: Location
Location As the heat pump contains flammable refrigerant, ensure the installation location complies with the requirements of AS/NZS 5149. DO NOT install the unit in a location that may be WARNING exposed to combustible gas leaks. If combustible gas accumulates around the unit, it may cause a fire. - Page 11 Noise Ensure that the installation location complies with local noise regulations regarding neighbouring properties. The location must consider noise impact on living areas. Avoid positioning near bedrooms or neighbours bedrooms. Although the running noise level is low it can be expected that the heat pump will run during the night. The timer function can be used to limit operating hours if noise is a concern.
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Page 12: Connections And Plumbing Arrangement
Connections and plumbing arrangement The cylinder component of the system must be installed in accordance with G12/AS1, and AS/NZS 3500.4. For service and maintenance, please allow sufficient room for access to covers and valves. All pipe work should be insulated with polythene foam or equivalent insulation to optimise performance and energy efficiency. -
Page 13: Cold Water Supply
High level overview of connections For ease of reference not all plumbing and electrical parts are included in the below drawing, for example safe tray, drains, isolating valves, restraints etc. Cylinder thermistor cable (15 m supplied) Hot water from ALL pipes and water fittings to be insulated HP (lagged) IMPORTANT... -
Page 14: Connecting The Heat Pump And Cylinder
Connecting the heat pump and cylinder For the heat pump to cylinder connection the side cover panel needs to be removed. Undo the four screws and allow the cover panel to drop down to clear the top panel. Before fitting the upper hot, and lower cold water connections, both pipes should be flushed with water to reduce the potential for an air lock within the system. -
Page 15: Cylinder Connections
Cylinder connections Top hot water outlet port connection For cylinders with a top hot water port, remove the current outlet fittings and replace with the special tee adapter supplied with the heat pump. Make sure that the long injection tube is fitted to the tee. This ensures that the hot water is injected below the top of the cylinder. -
Page 16: Electrical Supply And Connections
Electrical supply and connections The electrical connection must be carried out by a qualified person in accordance with the latest version of AS/NZS 3000 Wiring Rules. The heat pump will directly control the element using the main PCB’s primary relay. A qualified person will handle the electrical installation and termination of the heat pump to the hot water cylinder. -
Page 17: Isolating Switches
Isolating switches Switching off power to isolate the heat pump will also cut off power to the cylinder’s heating element. While the cylinder isolation switch can turn off the heating element, the heat pump will still remain powered. Ensure that the power supply to the heat pump isolating switch is at least 15 A. Heat pump isolating switch on wall Cylinder isolating switch on wall next to heat pump... -
Page 18: Connecting The Cylinder Temperature Sensor
1. Remove element cover. 2. Unclip and remove thermostat from bracket. Image shows a Rinnai cylinder (Rheem cylinders use the same type of thermostat). 3. Using sandpaper (or equivalent), remove the tank scale (common with enamel tanks). - Page 19 Correctly installed | 19...
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Page 20: Plumbing Schematic - Side Port Connection
Plumbing schematic - side port connection For approved cylinders with side hot water ports: Rinnai, HJ Cooper, and Rheem DO NOT use side port outlets for hot water return from heat pump Use Rinnai supplied Tee fitting Insulated hot and... -
Page 21: Wiring Diagram Heat Pump Unit
Temperature Discharge Condensor Temperature Suction Condensor Temperature Condensor PUMP Water Pump Fan Motor Reversing Valve Electronic Expansion Valve Pressure Transducer Digital Input Compressor Rinnai BLUE BLUE REVERSING VALVE (C) W PR 1 (R) U COMPRESSOR (S) V MARK DESCRIPTION Black... -
Page 22: Wiring Diagram: New Installation
Wiring diagram: New installation Power supply at heat pump switch 22 |... -
Page 23: Wiring Diagram: Retrofit
Wiring diagram: Retrofit Power supply at water cylinder | 23... -
Page 24: Commissioning
Commissioning Commissioning, filling and draining must only be carried out by an authorised person. Make sure the cylinder is full of water before energising the system. Failing to do this can cause irreparable damage to the element and sensors. Filling the system and air bleed 1. - Page 25 Controller sequence When connected to mains power for the first time the back light of the controller will come on, and after a couple of seconds the Rinnai logo will appear. The controller will then default to showing ‘Standard’ operation which is the factory preset mode of operation. If no buttons are pressed after 30 seconds the controller will go into standby (nothing displayed on the controller).
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Page 26: Fault Codes
T1 and S8 faults, for which rectification actions are detailed below. If other fault codes are detected contact Rinnai for advice and additional troubleshooting actions. During legionella disinfection, and when in defrost, ‘L’ and ‘D’ will appear on the main display—these are not fault codes. -
Page 27: Correct Position
For the below error codes, contact Rinnai for advice and additional troubleshooting actions. Fault Event / fault description Possible cause Action code Real time clock fault, not reading Flat battery and power Call Rinnai service to replace the battery (not a correctly user serviceable part). -
Page 28: Storage And Delivery Temperatures
Storage and delivery temperatures Storage temperature To meet the New Zealand Building Code requirement to disinfect water for legionella bacteria, the system includes a built-in legionella disinfection cycle that operates in all modes. The heat pump heats the entire cylinder to above 60 °C once a week for one hour. •... -
Page 29: Water Quality
Water quality Water quality MUST: 1. Meet the Water Services (Drinking Water Standards for New Zealand) Regulations 2022 and the Aesthetic Values for Drinking Water Notice 2022, or the water standards as statutorily defined at the time; AND 2. Be within the limits shown in the table below. Water quality outside these limits will void this warranty. -
Page 30: Controller Interface
Controller interface The HydraHeat controller uses a compact OLED display with three capacitive touch buttons to enable easy access to the operation menus. When a button is pressed there will be an audible beep. Home screen and navigation To access the home screen press OK for approximately 3-5 seconds. - Page 31 Set and forget timer The timer can be used to lock out the system so it does not operate. Once set it will continue to operate at the programmed times until ‘Timer Reset’ is selected. Scenario: Dave wants to reduce the operating noise of the system at night as it’s located near a neighbouring boundary where bedrooms are located.
- Page 32 Rinnai.co.nz Tel: 0800 746 624 http://www.youtube.com/rinnainz http://facebook.com/rinnainz Rinnai HydraHeat Split installation guide 31452-D...
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