Hotflo Solar Enabled Electric Storage Water Heater Operation and installation manual Must be installed, commissioned and serviced by an authorised person in accordance with all applicable local rules and regulations. If the Hotflo Electric Storage Water Heater is being used for a solar installation, please refer to separate operating and installation instructions. The Rinnai Hotflo Electric Storage Water Heater is not suitable for use as a pool or spa heater.
Limited Warranty Rinnai warranty summary table Tank All other parts (thermostats, elements etc.) Domestic Application Commercial Application Parts 5 years 3 years Labour 3 years 1 year Parts 1 year 1 year Labour 1 year 1 year All terms of the warranty are effective from the date of installation of the Rinnai Hotflo Electric Storage Water Heater. Proof of installation date will be required. Domestic vs.
Limited Warranty Warranty terms and conditions 1. All terms of this warranty are effective from the date of installation. The attending service person reserves the right to verify this date. 2. All Rinnai appliances must be installed, commissioned, serviced, repaired and removed in accordance with the manufacturer’s installation instructions, local regulations, and municipal building codes by persons authorised by local regulations to do so. 3.
Limited Warranty Warranty exclusions The following exclusions may cause the warranty to become void and will result in a service charge and costs of parts (if required). 1. Accidental damage and acts of God. 2. Failure due to abuse or misuse, improper maintenance or improper storage. 3. Failure due to incorrect or unauthorised installations. 4. Failure or damage caused by alterations, service or repair work carried out by persons other than Rinnai service persons or service centres. 5.
Proof of purchase Please keep these instructions in a safe place for future reference.
Contents Introduction 7 For your safety 8 Maintenance 9 Troubleshooting 10 Installation: Dimensions and suitability 11 Installation: Plumbing setup 12 Installation: Connections and settings 13 Installation: General information 14 Installation: Valves and fittings 17 Installation: Plumbing connections 18 Installation: Commissioning 19 WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life.
Introduction Rinnai is committed to providing quality heating solutions. The Rinnai Hotflo Electric Storage Water Heater range offers innovation, quality and energy efficiency.
For your safety General Your system must be installed, commissioned and serviced by an authorised person in accordance with all applicable statutory regulations. Do not remove element cover, this will expose 230 V wiring and must only be removed an authorised person. If any component is damaged, it must be replaced by an authorised person using replacement parts from Rinnai. Children should be supervised to ensure they do not play with the appliance.
Maintenance Your Rinnai Hotflo Electric Storage Tank requires little maintenance, but for maximum performance the following is recommended. Every six months: Every five years: TPR valve—operate easing gear Check and service entire system and replace TPR valve and anode if required Temperature & Pressure Relief Valve (TPR) This valve is located near the top of the tank and is essential for safe operation.
Troubleshooting Lack of hot water or no hot water Is there electricity supply to the water heater? Check that the isolating switch marked ‘Hot Water’ or ‘Water Heater’ at the meter box is switched on. Check also any isolating switches installed near the water heater are switched on. Check the fuse or circuit breaker marked ‘Hot Water’ or ‘Water Heater’ at the meter box. Repeated failure of fuse or tripping of circuit breaker indicates a fault which must be investigated by an authorised trades person.
Installation: Dimensions and suitability B C OUTLETS P&TR D A INLETS E F Rinnai model name Model number A B Hotflo 135 L C D HFE12545 1245 590 515 1020 Hotflo 180 L HFE16045 1530 590 515 Hotflo 215 L HFE20045 1825 590 515 Hotflo 270 L HFE25045 1265 760 Hotflo 340 L HFE31545 1510 760 E F Weight kg (empty) 225 155 62 1310 225 155 71 1605 225 155 98 685 985 260 155 87 685 1200 260 155 101 all dimensions are in mm Suitability for use • Mains and low
Installation: Plumbing setup Hot O utlet TPR Drain A Ho lter t O nat ut e le t g perin Tem e C ° 5 5 Va l v ouse 5°C H 5 t o ly H Supp ssure y l Pre ld Suppl a u q E se Co Ho u Cylinder Drain Pressure Reducing Valve ECV Drain Filter Stop Cock E CV A Co lter ld nat In e le t Catch Pan drain Catch Pan Cylinders should be installed to AS/NZS3500.4, with reference to G12/AS1 where appropriate. The Rinnai Hotflo Electric Storage Water Heaters are suitable for mounting either inside or outside.
Installation: Connections and settings Pressure Limiting Valve Rinnai Hotflo Electric 135, 180 and 215 L Rinnai Hotflo 270 and 340 L = 700 kPa (approx.) = 500 kPa (approx.) If the water supply pressure exceeds the rated pressure, a pressure limiting valve is to be fitted to the installation. Cold Water Pressure Relief Valve Rinnai Hotflo Electric 135, 180 and 215 L Rinnai Hotflo 270 and 340 L = 850 kPa (approx.) = 700 kPa (approx.
Installation: General information Location Base requirements Cylinders should be installed on a flat level base of sufficient strength to support the weight of the water heater when full. The water heater must also be suitably restrained against seismic activity, ‘G12/AS1 Figure 14’ details an acceptable method of restraint. Access to cylinder Cylinders should not be located where they will be difficult to remove, such as in attic spaces or built into cupboards or shelves.
Installation: General information Hot water storage and delivery temperatures Sanitary fixtures delivery temperature Water temperatures over 55 °C can cause severe scalds. Local regulations must be considered regarding temperature limitations of hot water supplied to areas used primarily for personal hygiene. The temperature is limited to 45 °C for early childhood centres, schools, nursing homes or similar facilities and 55 °C for all other buildings.
Installation: General information Electrical supply and connections Electrical access is via a 20 mm hole beneath the element cover for mounting with an approved weatherproof electrical conduit nipple. For entry to the element cover remove the two fixing screws. Connect all ACTIVE and NEUTRAL wires in accordance with the wiring diagram. Ensure the incoming EARTH wire is securely fixed to the earth post provided on the heater case.
Installation: Valves and fittings Valves with pressure ratings other than those listed in this manual must not be used. Valves and fittings supplied with the water heater Valves and fittings supplied with the water heater are placed in the Styrofoam packaging during transit. The pressure ratings of the valves are shown on the ‘Connections and settings’ page.
Installation: Plumbing connections Refer to the diagram in the ‘Plumbing location’ page for the location and specification of each plumbing connection to the water heater. The water heater has dual handed cold water supply and hot outlet connections. The brass plugs supplied are used to plug unused connections. TPR valve connection The TPR Valve must be fitted before the water heater is operated. Before installation ensure that the probe is straight and undamaged. 1.
Commissioning Commissioning and draining activities must be carried out by an authorised person. To fill and turn on the water heater 1. Open all hot water taps in the house including the shower. 2. Open the cold water isolation valve to the water heater. Air will now be forced out of the taps. 3. Close each tap when water runs freely without air bubbles. 4. Check all plumbing connections and pipe work for water leaks. 5. Switch on the electric power supply.
Consumers: Installers: 0800 RINNAI (746 624) 0800 TO RINNAI (86 746 624) Address: 105 Pavilion Drive, Airport Oaks, Mangere, Manukau PO Box 53177, Auckland Airport, Manukau 2150 Phone: Fax: (09) 257 3800 (09) 257 3899 Email: Website: info@rinnai.co.nz www.rinnai.co.nz All Rinnai appliances meet or exceed the safety standards required by New Zealand gas and electrical regulations.