Rinnai Infinity EF 24 Operation Manual

Operation guide

Continuous ow
water heaters

For Rinnai continuous ow water heaters manufactured from 2010 onwards
(serial number 09.12-xxxxxx)

Important:

This appliance shall be installed in accordance with:

- Manufacturer’s installation instructions

- AS/NZS 5601 Gas Installations

- Local regulations and municipal building codes

Installation, servicing and repair shall be carried out only by authorised
personnel.

Internal Rinnai continuous flow water heaters must be installed with a
Rinnai approved flue system.

Not suitable as a spa or swimming pool heater.

All gas appliances require regular servicing. Servicing must be carried out
by an authorised person, being in New Zealand a licensed gasfitter.

Owner, please retain this manual for future reference.
Installer, please leave this manual with the owner.

Warning
Improper installation, adjustment, alteration, service or maintenance can
cause property damage, personal injury or loss of life.

For more information about buying, using, 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: [phone], Fax: [phone]
Email: [e-mail]
Web: www.rinnai.co.nz, www.youtube.com/rinnainz

cnt:

About your water heater 4

Warning about water 5

General safety 6

General information 7

General controller information 8

Universal controller (Compact) 10

Kitchen Deluxe controller 11

Bathroom Deluxe controller 12

Troubleshooting 15

Service record 17

Draining your water heater 19

Installer details 21

Limited warranty 22

Proof of purchase 23

About your water heater

HOTHOT

COLDCOLD

ON!ON!

ON!ON!

HOTHOT

COLDCOLD

OFF!OFF!

OFF!OFF!

Before using or operating your water heater ensure your installer talks to you about the
use and care of this appliance, and that you understand these instructions.

Installer

The installer also needs to complete:

- their installer details (p. 20)

- the commissioning checklist supplied with the appliance—verifies the water heater has been installed and
commissioned correctly

The installer needs to leave the checklist, and operation guide with you.

Important

The Rinnai Infinity water heater requires power to prevent damage in freezing conditions. DO NOT disconnect
the power if there is a likelihood of freezing without draining the water heater. Instructions for draining the water
heater can be found at the back of this guide.

Principle of operation

If no controllers are fitted the opening of any hot water tap will automatically start the appliance. Once water is
flowing through the appliance the burner will be ignited by electronic ignition. If a controller is fitted it must be
switched on for the appliance to heat the water

When the hot water tap is closed and water flowing through the appliance has stopped the burner flame will
extinguish.

In the event of a power failure

The water heater will not operate without electricity. If power fails water heating will cease. When power is
restored the water flow may need to be stopped and restarted (and a controller, if fitted, switched on) in order for
water heating to continue.

4 | Continuous Flow Water Heater Operation Guide 04-12

Warning about hot water

Excessively hot water is dangerous. Rinnai continuous flow water heaters, through the
use of water controllers, allow you to control the temperature of hot water to safe levels.

Water temperatures above 55 °C can cause instant severe burns, such as scalding and
may even result in death. Those most at risk; children, disabled, elderly, and the sick.
Hot water at 65 °C, a common water temperature in New Zealand, can severely burn
a child in less than half a second. At 55 °C, preset temperature for domestic Rinnai
continuous flow water heaters, it takes half a minute.

Always

- Test the water temperature with your elbow before placing your child in the bath,
and feel the water yourself before bathing or showering

- Supervise children whenever they are in the bathroom

- Make sure the hot water tap is turned off

Consider

Installing child proof tap covers or child resistant taps, both will prevent a child being
able to turn on the tap.

Never

Leave a toddler in the care of another child. They may not understand the need to
have the water temperatures set at a safe level.

Continuous Flow Water Heater Operation Guide 04-12 | 5

General safety

HOT!

Do not:

• Touch the unit
cover or the flue
outlet

• Insert objects into
the flue outlet

Keep flammable
materials, spray cans,
fuel containers, pool
chemicals, trees,
shrubs etc. well clear
of the flue outlet.

6 | Continuous Flow Water Heater Operation Guide 04-12

General information

Filter
Drain

Gas

Valve

GasColdHot

Turn Water Off

Turn Gas Off

Drain Water

43°C

55°C

Discolouration of flue outlets ­EF external models

The colour of the flue outlet
may change over time due to
condensate in the exhaust gases.
This is normal. The discolouration
will not damage the unit, and will
not affect performance of the
water heater.

Flue outlet

Frost kits

Frost protection is fitted as
standard on all models. Frost
protection operates automatically,
as required, whenever the
appliance is connected to the
electric power supply.

If power has failed and there is risk
of damage from frost, turn off the
gas supply to the unit and open a
tap slightly to allow flow through
the unit. This may prevent damage
from freezing.

If the appliance is not going to
be used for an extended period
and the electric power supply is
disconnected, turn off the water
and gas supplies and arrange for
your plumber to drain all water
from the appliance to prevent frost
damage. If for practical reasons
a plumber is unable to drain your
system, we have an instruction
sheet on how to drain the unit at
the back of this guide.

Installation by a licensed
tradesperson

Improper installation, adjustment,
service, or maintenance can
cause serious injury, property
damage, or death. Please ensure
your installation is completed by a
licensed gasfitter and plumber.

Safety devices

Your Rinnai continuous flow water
heater has the following safety
devices:

- Flame failure

- Boil-dry protection

- Overheat protection (OHS)

- Fusible link

- Pressure relief valve

- Combustion fan rpm check

Servicing

Rinnai has a service and spare parts
network with personnel who are
fully trained and equipped to give
the best advice on your Rinnai
appliance. If your appliance needs
servicing, please call Rinnai
(0800 746 624) from a land line
and select option one for a service
centre in your area.

For reliable operation Rinnai
continuous flow water heaters
in domestic applications should
be serviced every three years,
including inspection of the flue
system (if installed). A service
record has been provided at
the back of this guide. For
commercial use annual servicing
is recommended. Rinnai has a
recommended ‘Commercial
Maintenance and Servicing
Schedule’. This is available on
request, or via our website.

Regular servicing is not covered
by the Rinnai warranty. Do not
attempt to carry out any service
work other than that mentioned in
the troubleshooting section. If you
have any other faults or problems,
please contact your installer or
Rinnai.

Solar installations

There is a
recommended
system layout for
Rinnai continuous
flow water heaters

used in solar
installations. It is important your
installer configures your solar
system correctly as water heaters
in solar installations produce
higher than normal temperatures.

Rinnai water controllers cannot be
used with Rinnai continuous flow
water heaters in solar installations
as the hot water does not always
pass through the continuous flow
unit.

Preset temperatures

The Rinnai continuous flow
water heaters are factory preset
to a temperature limit of 55 °C ,
excluding one commercial model,
the Infinity HD200 external.

Temperature controllers are
available to allow precise digital
temperature control—a great
safety feature if you have young
children. Controllers can be
fitted at any time (except in solar
installations) after installation of
the hot water unit.

Water flow

The flow will
vary slightly
depending on
the incoming
water

temperature
and temperature selected. For
example, the water flow will be
higher at 43 °C than at 55 °C.

There is also a minimum flow rate
required for the continuous flow
unit to start, so if a hot water tap is
only opened a fraction, there may
not be enough flow to start the
unit.

Continuous Flow Water Heater Operation Guide 04-12 | 7

General controller information

Max.
43°C

S

O

L

V

E
N

T

49°C

50°C

Kitchen

Kitchen

Bathroom

To clean your water
controller, use a soft
damp cloth and mild
detergent.

DO NOT use solvents.

Depending on
weather conditions
and the length of
pipe between the
hot water unit and
the outlet in use,
there may be a
variation between the
temperatures displayed at the water controller
and water outlet.

While hot water
outlets are open the
set temperature may
be lowered BUT not
raised above 43 °C.
Transfer of priority
between controllers
is not possible.
These are safety
features.

There is no need to
turn water controllers
off after use.

As a safety
precaution, if a
kitchen controller
temperature is set
above
50 °C, transferring
and then returning
priority will result
in a default set
temperature of 50 °C. This is a safety feature.

Temperatures higher than
55 °C should not be able to be
selected on controllers installed
in bathrooms, ensuites or toilets.
This is to reduce the risk of burns
from hot water. If this is not the
case, the controllers have been
incorrectly installed and you should contact your
installer.

Do not push the
On/Off button
on any controller
when the red
water heater ‘In
Use’ indicator is
on. This will turn
off the water
heater causing the
water to go cold.

Check the water
temperature before
use. A parent
or carer should
ALWAYS check the
temperature before
a child is placed in
contact with hot
water.

8 | Continuous Flow Water Heater Operation Guide 04-12