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iHeat Operation guide Combined water and central heating system This appliance

iHeat Operation guide Combined water and central heating system This appliance shall be installed in accordance with: - - Manufacturer’s installation instructions - - AS/NZS 3500 - - Local regulations and municipal building codes Installation, servicing and repair shall be carried out only by authorised personnel. Please retain this manual for future reference. Warning Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. For more information about buying, living and servicing of Rinnai appliances call: 0800 RINNAI (0800 746 624) Rinnai New Zealand Limited 105 Pavilion Drive, Mangere, Auckland PO Box 53177, Auckland Airport, Auckland 2150 Phone: (09) 257 3800, Fax: (09) 257 3899 Email: info@rinnai.co.nz Web: rinnai.co.nz, youtube.com/rinnainz Important: contents: About your Rinnai iHeat................................... 4 About the iHeat thermostat............................. 5 Operating in manual mode.............................. 6 Operating in timer mode................................. 7 Fan settings...................................................... 9 Care of your iHeat............................................ 10 Advanced settings............................................ 11 Safety................................................................ 12 Troubleshooting. .............................................. 13 General information......................................... 15 Installation checklist. ........................................ 16 Installer details................................................. 16 Limited warranty.............................................. 18 4 | iHeat operation guide: 12063-A 01-13 About your Rinnai iHeat Congratulations on the purchase of your Rinnai iHeat combined water and heating system. The Rinnai iHeat is a ducted home heating system that uses hot water from your Rinnai Infinity continuous flow water heater to warm air and circulate it around your home. Suitability The Rinnai iHeat may be retrofitted to any home with an existing Rinnai Infinity continuous flow water heater, or both units can be installed simultaneously. The Rinnai iHeat can be installed in the ceiling space or under the floor. It must not be mounted in areas subject to direct splashing—this is relevant to underfloor installations that could be exposed to water. Specification summary - - Power output = nominal 20 kW, maximum 25 kW (dependent on installation) - - No. outlets = up to 12 (each outlet provides approximately 1.8 kW) - - Heating area = up to 250 m² (depending on where you live and how well insulated your house is) - - Efficiency = delivers heat at the same efficiency as the Rinnai Infinity - - Noise level of fan = sounds like an air conditioning unit The Rinnai Infinity provides hot water to the iHeat air handler unit (heat exchanger). The heat exchanger extracts the heat from the hot water and transfers it to a steady stream of air. This air is fed into the ducting system and is distributed into each room. Water is returned to the Infinity for reheating. The Rinnai iHeat is controlled via a wall thermostat which has three fan speed settings and can control up to four different schedule periods per day. * Ensure the Rinnai Infinity is positioned where overnight operation will not disturb occupants or neighbours. Rinnai Infinity continuous flow installed—external or internal* models available Rinnai iHeat installed in the ceiling space or under the floor Ducting outlets—up to 12, each outlet provides approximately 1.8 kW Rinnai thermostat controller provides multiple control options iHeat Operation Guide: 12063-A 01-13 | 5 About the iHeat thermostat Mon System & Fan Override More System Auto Fan Auto Occupied 18 6:05 20 Heat on Current day week Current time Temp. setting Current system setting Current fan setting Indicates thermostat is ‘calling for heat’ Current room temp. Up and down keys Modes of operation Ideally your installer will have discussed your needs and configured the thermostat to your requirements, and spent some time with you setting it up for the first time. During the cooler months there will be two main modes of operation. 1. System is in manual mode (non-programmable mode)— no timers are set and the system is manually turned on and off via the thermostat. 2. System is on heat with the fan on auto—system runs on timers, and is on all the time. Location of the thermostat The thermostat must be installed approximately 1.5 m above the floor on an internal wall and in the location that requires heating. Do not place in areas subject to: - - draughts (hallways, regular accessed doorways etc.) - - hot spots (direct sunlight, above fireplaces/heaters etc.) - - dead spots where the air does not circulate freely (alcoves, corners, behind doors etc.) LCD screen: Important The thermostat has an LCD screen. Sharp instruments like a pen or pencil can damage the thermostat. Batteries The thermostat comes with two AA alkaline batteries installed. When the batteries are running low a warning will display on the main screen for approximately 30 days. It is recommended that you replace the batteries once a year to prevent leakage, and to prevent the thermostat from shutting down. Replace the batteries as follows: 1. Remove the front of the thermostat from the base by pulling it straight out. All programming is retained during battery replacement. 2. Install two new AA alkaline batteries. 3. Replace the thermostat back on its base making sure the terminal screw blocks align with the pins on the back of the thermostat. After two minutes the device will automatically return to the main screen. Thermostat temperature range The thermostat temperature range is 4.5 °C to 32 °C. Main screen selections and display Batteries (2) Battery holder Back of thermostat UP Wall 6 | iHeat operation guide: 12063-A 01-13 Operating in manual mode Manual mode (non-programmable)—no timers are set and the system is manually turned on and off via the thermostat. Setup number 160 = 0 (refer to p. 11). System Fan More 6:05 Actual temp. Set temp. 20.0 Set To Heat 22.0 Sat Lo System Heat Fan Auto PM Main screen selections and display When in manual mode the only settings that can be changed on the thermostat are: - - System—turning the heating on and off. - - Fan—adjusting the fan to lo, med, hi, or auto. - - Set temperature—adjusting the set temperature up or down. - - Clock—adjusting the time. Turning the system on 1. Press ‘System’ and use the up and down arrows until ‘Heat’ is flashing. 2. Press ‘Done’ to save. Turning the system off 1. Press ‘System’ and use the up and down arrows until ‘Off’ is flashing. 2. Press ‘Done’ to save. Changing the fan setting Refer to page 9. Adjusting the temperature The set temperature can be adjusted by using the up and down keys, and selecting ‘Done’ when completed. Adjusting the clock 1. Press ‘More’ then ‘Clock’. 2. Use the up and down keys to adjust the time and press ‘Done’ to save. iHeat Operation Guide: 12063-A 01-13 | 7 Operating in timer mode Function keys Mon Tue Wed Thu Fri Go Back Next Done 6:05 20 Up key - changes time and temperatures Down key - changes time and temperatures      Days selected Period Occupied1 Unocc1 Occupied2 Unocc2 Schedule period Go back key - goes back to the last step Done key - exits and saves changes made Next step key - advances period, time, and heat temperatures Programmable periods The thermostat can control up to four different periods per day. - - Occupied1 Period to keep space at a comfortable temperature, i.e. first thing in the morning. - - Unocc1 Period to keep space at an energy-saving temperature, i.e. when leaving for work. - - Occupied2 Second occupied period, i.e coming home from work. - - Unocc2 Second unoccupied period, i.e. when going to bed. The thermostat is usually configured to have four programmable periods. If you would like to change this to two, refer to the Advanced Settings section (0540) in this guide. The thermostat, dependent on the buttons pressed, walks you through the programming sections available. To get familiar with how this works, walk through some of the steps below without changing anything. Once comfortable with how the display works you can change the respective settings to suit. Ignore any settings relating to cooling by selecting ‘Next’, these have no effect on the iHeat operation (this only appears as the thermostat is also used for other applications). 1. Press ‘More’. 2. Press ‘Schedule’. 3. Press ‘Edit’. 4. Use the up and down keys to change the flashing day. 5. Select any combination of days. 6. Press ‘Next’. 7. Use the up and down keys to change the schedule period. 8. Press ‘Next’. The selections automatically cycle through period, time, and temperature. 9. Use the up and down keys to modify the flashing item (e.g. time, temperature). 10. When complete press ‘Done’, this will save all of the changes that have been made and ‘Saved’ will appear on the screen. To exit scheduling without saving, press ‘Cancel’. If that option is not available, press ‘Go Back’ until ‘Cancel’ is available. Tip If you find yourself in a totally different area of the program and don’t have an option to ‘Go Back’ or ‘Cancel’, let the display flash without pressing any buttons. After approximately one minute the screen will go back to the main display. The system when in timer mode (programmable) is on heat with the fan uploads/s3/ operation-guide 1 .pdf