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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

 

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Power output 

= nominal 20 kW, maximum 25 kW (dependent on installation)

 

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No. outlets   

= up to 12 (each outlet provides approximately 1.8 kW)

 

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Heating area 

= up to 250 m² (depending on where you live and how well insulated your house is)

 

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Efficiency   

= delivers heat at the same efficiency as the Rinnai Infinity

 

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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

Summary of Contents for iHeat

Page 1: ...iHeat Operation guide Combined water and central heating system ...

Page 2: ...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 Ema...

Page 3: ...Heat 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 ...

Page 4: ...eating area up to 250 m 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 T...

Page 5: ...allways 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 l...

Page 6: ...ng 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 pag...

Page 7: ...ome 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 fl...

Page 8: ...ess Override The override settings will default to those contained in the next occupied period 2 Use the up and down keys to change the override time and temperature 3 Press Done to save the setting 4 Override will continuously flash on the screen to indicate the thermostat is in Override mode 5 To revert back to the set timers press Cancel or wait until the Hold Until time has been reached Holida...

Page 9: ...on high Changing the fan setting 1 Press System Fan 2 Press Fan 3 The current setting will flash use the up down keys to shift between Lo Med Hi and Auto modes 4 Press Done to save the setting Changing the fan to circulate air on a hot day If you want air to circulate through the house on a hot day do the following 1 Press System Fan 2 Use the up down keys to toggle between Heat and Off select the...

Page 10: ...eat It is recommended the water filter is cleaned every year This would normally be completed by a Rinnai Service Centre as part of annual servicing but could be needed inbetween times if you experience any problems with insufficient water flow to the pump To avoid burns wait until the water heater cools before cleaning the water filter as hot water may drain from the unit if there has been recent...

Page 11: ... off US only 0540 Number of programmable periods per day 0640 Time format 0120 First two digits of current calendar year To change the current setting use the up down keys Options are 20 for years 20xx 21 for years 21xx 0130 Last two digits of current calendar year To change the current setting use the up down keys Options are 01 through 99 for example 2012 would be set to 12 0140 Current calendar...

Page 12: ...s damaged the system must not be modified Switch off the power and unplug the iHeat before touching any wiring Children should be supervised at all times to ensure they do not play with any part of the system Do not touch any damaged electrical component If any electrical wiring is damaged it must be replaced by a licensed tradesperson To avoid burns turn off the gas and power to the Infinity befo...

Page 13: ...f air is in the heating circuit Operate easing gear on the pressure relief valve for two minutes p 14 Make sure the gas power and water has been turned off to the Infinity and that a drain line has been fitted Water drips from the pressure relief valve Service call Water drips from the iHeat overflow Leak in iHeat unit Service call iHeat pump operates for no reason Biosafe operation p 15 If operat...

Page 14: ... fixed by operating the easing gear on the pressure relief valve for approximately two minutes To avoid burns water can come out of the unit at 75 C wait until the water heater cools as hot water may drain from the unit if there has been recent hot water use Turn off the gas and power to the Infinity The pressure relief valve of the iHeat is located in between the Rinnai Infinity piping as shown b...

Page 15: ...n which runs the pump for two minutes every week after a week of inactivity to kill any bugs in the water The timing of this operation will depend on when the unit was connected to power For example if this occurred at 4pm the biosafe operation will operate at 4pm If you experience a power cut in the middle of the night the biosafe operation will revert to the time that the power was restored If t...

Page 16: ...also instruct you about the use and care of the appliance and ensure you understand the safety instructions and operation of the appliance Before the installer leaves ensure they leave the commissioning sheet with you This is important as it demonstrates they have installed the system in accordance with our instructions Installer details Company name Installer name Address Phone Mobile Signed Date...

Page 17: ...Rinnai iHeat Warranty ...

Page 18: ...n sited in accordance with the installation instructions or installed such that normal service access is difficult a service charge will apply If at the discretion of the attending service person the installation is deemed illegal or access is dangerous service will be refused Any work required to gain access to the appliance will be chargeable by the attending service person for example removal o...

Page 19: ...he water supply Some examples of water quality issues where water may need to be treated Hard water areas including Wanganui Aggressive water areas including Christchurch Both hard and aggressive water some bore water Other continuous flow water heaters connected to the Rinnai iHeat The Rinnai iHeat system has been designed and tested for optimum performance with a Rinnai Infinity continuous flow ...

Page 20: ...Rinnai co nz Experience our innovation 0800 746 624 http www youtube com rinnainz ...

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