Rinnai FM10NA User manual
Gas Instantaneous Water Heater
Operation & Installation Manual
Models:
FM10NA
FM10LA
Rinnai 2 HW_GI_FM10 OIM
Congratulations on the purchase of your Rinnai Gas Instantaneous Water Heater. We trust you will have many
years of comfort and enjoyment from your appliance.
IMPORTANT
BEFORE USING THIS APPLIANCE
Before proceeding with the operation or installation read this manual thoroughly and gain a full
understanding of the appliance, to ensure safe and correct use.
This appliance must be installed in accordance with:
• Manufacturer’s Installation Instructions
• Current AS/NZS 3500.4 & AS/NZS 5601
• Local Regulations and Municipal Building Codes
including local OH&S requirements
This appliance must be installed, maintained and removed
by an Authorised Person.
For continued safety of this appliance it must be installed
and maintained in accordance with the manufacturer’s
instructions.
This Appliance complies
with AS 3498:2009
AGA LIC. 60089
Rinnai 3 HW_GI_FM10 OIM
OPERATION TABLE OF CONTENTS
Warnings & Important Information 4
Before Using This Appliance .............................................................................................................................................. 4
Regulatory Information ....................................................................................................................................................... 4
Notice to Victorian Consumers ������������������������������������������������������������������������������������������������������������������������������������������ 4
Warning About Hot Water ................................................................................................................................................... 4
Features & Benets ............................................................................................................................................................. 6
Features and Benets 6
Operation 7
To Operate ............................................................................................................................................................................ 7
Delivery Temperature .......................................................................................................................................................... 7
Water Flow and Temperature Adjustment ......................................................................................................................... 8
Freezing Weather ................................................................................................................................................................. 8
Trouble Shooting 9
Fault Finding ........................................................................................................................................................................ 9
Maintenance ......................................................................................................................................................................... 9
Installation Table of Contents 11
Contacts 24
Rinnai 4 HW_GI_FM10 OIM
WARNING
BEFORE USING THIS APPLIANCE
Before proceeding with the operation or installation read this manual thoroughly and gain a full
understanding of the appliance, to ensure safe and correct use.
Always comply with the following precautions to avoid dangerous situations and to ensure
optimum performance.
Failure to carefully read and follow all instructions in this manual can result in equipment
malfunction, property damage, personal injury and/or death.
DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in
personal injury or death.
WARNINGS: Indicates a potentially hazardous situation which, if not avoided, could result in
personal injury or death.
CAUTIONS: Indicates a potentially hazardous situation which, if not avoided, could result in
minor or moderate injury or damage to the appliance. It may also be used to alert against unsafe
practices.
WARNING
REGULATORY INFORMATION
Your Rinnai gas instantaneous water heater has been certied by the Australian Gas Association.
The A.G.A. Certication Number is shown on the data plate.
This appliance must be installed correctly by an appropriately licensed tradesperson.
The installation of gas and water must conform to local regulations, including local OH&S
requirements. The installation must also comply with the instructions supplied by Rinnai.
Please keep this instruction booklet in a safe place for future reference.
All dimensions referred to in these instructions are in millimetres, unless otherwise specied.
Notice to Victorian Consumers
This appliance must be installed by a person licensed with the Victorian Building Authority. Only
a licensed person will have insurance protecting their workmanship. So make sure you use a
licensed person to install this appliance and ask for your Compliance Certicate.
For further information contact the Victorian Building Authority on 1300 815 127.
WARNING
WARNING ABOUT HOT WATER
Hot water can cause scalding. Those most
at risk are children and disabled, elderly
and inrm persons.
Rinnai have water heater models which
limit the delivery temperature to 50°C which
signicantly reduces the scald hazard.
Temperature limiting devices may also be
able to be tted. Contact Rinnai for further
information.
ALWAYS test the water temperature before
use, such as when lling a bath or basin or
entering a shower, to ensure it is suitable
for the application and will not cause scald
injury.
ALWAYS supervise children whenever
they are in the bathroom or near other
sources of hot water. Ensure any hot water
taps are closed rmly after use.
WARNINGS & IMPORTANT INFORMATION
Rinnai 5 HW_GI_FM10 OIM
IMPORTANT
MANDATORY INSPECTION PRIOR TO INSTALLATION
Immediately report any damage or discrepancies to the Supplier of the appliance. This
appliance was inspected and tested at the time of manufacture and packaging, and released for
transportation without known damage. Upon receipt, inspect the exterior for evidence of rough
handling in shipment. Ensure that the appliance is labelled correctly for the gas and electrical
supply, and/or other services it is intended to be connected to.
For safety and warranty purposes, appliances that may be damaged or incorrect must not be
installed or operated under any circumstances. Installation of damaged or incorrect appliances
may contravene local government regulations. Rinnai disclaims any liability or responsibility
whatsoever in relation to the installation or operation of damaged or incorrect appliances.
IMPORTANT
The range of Rinnai gas instantaneous water heaters referred to in this manual are incompatible
with solar water heating systems. A dedicated range of solar compatible gas continuous ow
water heaters is available from Rinnai.
Always check water temperature carefully before use.
Refer to the "WARNING ABOUT HOT WATER" on
page 4 for important safety information.
At low water ows, the hot water unit may extinguish
without warning. Opening the tap further will restart
the heating appliance.
DO NOT touch the unit cover or the ue outlet.
DO NOT insert objects into the ue outlet.
DO NOT spray water directly into the ue outlet.
Keep, trees, shrubs, etc. well clear of the ue outlet.
On colder days steam may discharged from the ue
outlet. This condition is normal for high eciency
appliances and does not indicate a fault.
DO NOT Spray aerosols in the vicinity of this appliance
while it is in operation.
DO NOT use or store ammable materials in or near
this appliance.
DO NOT place articles on or against this appliance.
DO NOT modify this appliance.
DO NOT store pool chemicals near this appliance.
OFF!
WARNINGS & IMPORTANT INFORMATION
Rinnai 6 HW_GI_FM10 OIM
FEATURES & BENEFITS
Congratulations on purchasing the Rinnai Gas Instantaneous water heater.
• The appliance is compact, saving both wall and oor space.
• The burner lights automatically when the hot water tap is opened, and goes out when the tap is closed.
IGNITION IS ELECTRONIC rather than by pilot light for optimum reliability and minimum running costs.
When the hot water tap is closed no gas is used.
• The appliance has a very high gas combustion eciency minimising gas consumption and operating cost.
• Operating noise level is very low.
Unlike most other instantaneous water heaters, this model is tted with a battery powered electronic ignition and
microprocessor control module oering unique benets as follows:
• Electronic ignition rather than ignition by pilot light ensures optimum reliability and minimum running costs
as no gas is used when the hot water tap is closed.
• The water temperature and gas ow are microprocessor controlled oering superior performance.
• Battery power ensures optimum reliability and eliminates the need for a mains power supply and associated
costs.
Unlike most other instantaneous water heaters, this appliance also has a modern state of the art ue design for
reliable operation even under high wind conditions.
FEATURES AND BENEFITS
Rinnai 7 HW_GI_FM10 OIM
TO OPERATE
The opening of any hot water tap will automatically start the appliance.
Once water is owing through the appliance the burner will be ignited by electronic ignition via the electronic
ignition and control module.
When the hot water tap is closed and water ow through the appliance has stopped the burner ame will extinguish.
HOTHOT
COLDCOLD
ON!ON!
HOTHOT
COLDCOLD
OFF!OFF!
Battery for electronic ignition and control
module
A long life 1.5 Volt "D" size battery is supplied
with the appliance and should have been tted by
your installer.
If the battery runs at, replace it with a new 1.5
Volt "D" size battery. Long life batteries are
recommended. The battery compartment is
located on the left hand side at the bottom of
the appliance. Approximate battery life is 6 to
12 months. Actual battery life may be dierent
depending on individual hot water usage patterns.
1. Locate the battery compartment and open
the hinged lid (opens towards the rear of
appliance).
2. Remove the expired battery and replace it
with a new battery ensuring that the correct
polarity is observed, as is shown on the
inside of the battery compartment lid.
3. Close the battery compartment lid.
DELIVERY TEMPERATURE
The delivery temperature set point programmed into the electronic ignition and control module is 60°C.
The actual delivery temperature may be lower depending on the prevailing operating conditions, for example, low
incoming cold water temperatures and high water ow rates.
Battery
Compartment
Location
Battery compartment
with the lid open
Battery polarity guide on the inside of lid
(positive to the right and negative to left)
To the front
of appliance
OPERATION
Rinnai 8 HW_GI_FM10 OIM
WATER FLOW AND TEMPERATURE ADJUSTMENT
Water xtures with a rated water ow rate of 7.5 litres per minute or higher are recommended.
A water ow adjustment lever is tted to adjust the maximum water ow from the appliance. Such adjustment may
be useful to compensate for seasonal variations in the temperature of the cold water supply.
• Turning the water ow adjustment lever towards the left (Clockwise) will decrease the water ow and
increase the hot water temperature. This setting is recommended during winter.
• Turning the water ow adjustment lever towards the right (Anti-clockwise) will increase the water ow and
decrease the hot water temperature. This setting is recommended during summer.
• If the heated water temperature delivered from an outlet is not hot enough it can normally be increased to
the desired temperature by closing the tap a little as this will reduce the water ow rate.
• The appliance has a minimum water ow rate that is required for operation. If the water heater does not
activate when opening a tap, the ow rate may be too low. Open the tap a little more to increase the water
ow rate.
FREEZING WEATHER
WARNING
This water heater MUST NOT be installed in areas where the temperature remains below 0°C for
extended periods.
If freezing conditions are expected (drop below 0°C), turn o water and gas and drain all water from the appliance
to prevent damage by expansion of freezing water.
For appliances installed in locations where the temperature falls below 0°C for short periods, the installation of an
Anti Freezing Relief Valve (Exogel or equivalent brand) will minimise the possibility of damage to the appliance.
This is not supplied with the water heater.
Flow adjustment
lever location
TURN CLOCKWISE
Decreases Water Flow
Increases Temperature
TURN ANTI-CLOCKWISE
Increases Water Flow
Decreases Temperature
Flow adjustment lever
To the front
of appliance
OPERATION
Rinnai 9 HW_GI_FM10 OIM
FAULT FINDING
Problem Fault Solution
Burner does not ignite,
or is dicult to ignite
No gas supply Check gas is turned on at water heater
and gas meter or cylinder
Low battery power Replace battery
Other Service Call
Pilot lights but no main
burner
Low water pressure Check water pressure
Low battery power Change battery
Run out of cylinder gas Replace gas cylinder
Other Service call
Low water temperature
Low gas pressure
Check gas pressure.
To be carried out by an authorised person
only
Run out of cylinder gas Replace gas cylinder
Excessive water ow rate Reduce water ow from heater (Turn
water lever clockwise)
Other Service Call
Low water ow
Low water pressure Check water pressure to appliance
Blocked outlet xture Check and clean
Other Service call
Cuts o when operating
Interrupted gas supply Service call
Run out of cylinder gas supply Replace gas cylinder
Other Service call
Smell gas Faulty / loose gas connection Service call
Water leakage from
appliance
Damaged components and
connections Service call
Frost damage Service call
Water leakage from
pressure relief valve
Excessive pressure Check water supply pressure
Faulty pressure relief valve Service call
MAINTENANCE
Rinnai has a Service and Spare Parts network with personnel who are fully trained and equipped to give the
best service on your appliance. If your appliance requires service, please call our National Help Line. Rinnai
recommend that the appliance be serviced by an authorised person every 3 years.
TROUBLE SHOOTING
Rinnai 10 HW_GI_FM10 OIM
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