Rinnai Infinity XR20 Plus, Infinity XR24, Infinity XR20, Infinity XR18, Infinity XR16 Operation & Installation Manual
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Operation / Installation
Manual
To Suit Models:
Infinity XR 32
Infinity XR26 Plus
Infinity XR26
Infinity XR24
Infinity XR20 Plus
Infinity XR20
Infinity XR18
Infinity XR16
Infinity XR26i
Infinity HD250
Infinity HD250i
Infinity HD200
Infinity HD200i
Efficiency24
How to use and install Rinnai continuous flow water heaters
This appliance shall be installed in accordance wi th:
• Manufacturer’s Installation Instructions
• Current AS/NZS 3000, AS/NZS 3500 & NZS 5261
• Local Regulations and Municipal Building Codes
This appliance must be installed, serviced and removed by an Authorised Person.
OPERATION MANUAL
REGULATORY INFORMATION..................................................................................1
WARNING ABOUT HOT WATER ...............................................................................1
FEATURES AND BENEFITS ......................................................................................2
IMPORTANT INFORMATION .....................................................................................3
OPERATION WITHOUT CONTROLLERS..................................................................5
GENERAL WATER CONTROL INFORMATION ........................................................6
UNIVERSAL WATER CONTROLLERS......................................................................7
ABOUT THE UNIVERSAL WATER CONTROLLER (MC-91-2A) ................................................................ 7
TURNING ON THE CONTROLLER............................................................................................................. 7
ADJUSTING TEMPERATURE..................................................................................................................... 7
HOW TO USE TWO OR MORE UNIVERSAL WATER CONTROLLERS ................................................... 8
TRANSFERING PRIORITY.......................................................................................................................... 8
ADJUSTING TEMPERATURE..................................................................................................................... 8
DELUXE KITCHEN WATER CONTROLLERS ...........................................................9
ABOUT THE DELUXE KITCHEN WATER CONTROLLER (MC-70-2A/MC-100V) ..................................... 9
HOW TO USE A SINGLE DELUXE WATER CONTROLLER...................................................................... 9
TURNING ON THE CONTROLLER............................................................................................................. 9
SETTING THE CLOCK ................................................................................................................................ 9
SETTING THE SOUND VOLUME ............................................................................................................. 10
ADJUSTING TEMPERATURE................................................................................................................... 10
DELUXE BATHROOM WATER CONTROLLERS....................................................11
ABOUT THE DELUXE BATHROOM WATER CONTROLLER (BC-70-2A/BC-100V) ............................... 11
HOW TO USE TWO OR MORE DELUXE WATER CONTROLLERS ....................................................... 12
TURNING ON THE CONTROLLERS ........................................................................................................ 12
SETTING THE CLOCK (SEE PAGE 9 TO 10 FOR DETAILS ON HOW TO SET THE CLOCK) .............. 12
SETTING THE SOUND VOLUME ............................................................................................................. 12
ADJUSTING TEMPERATURE................................................................................................................... 12
OPERATING THE SHOWER SAVER / BATH FILL FUNCTION ............................................................... 13
COMBINING UNIVERSAL AND DELUXE CONTROLLERS ..................................................................... 14
TROUBLESHOOTING...............................................................................................15
WARRANTY STATEMENT - HOT WATER PRODUCTS .........................................16
WARRANTY CONDITIONS.......................................................................................17
INSTALLATION MANUAL ........................................................................................18
ACCESSORIES ........................................................................................................32
CONTACT INFORMATION ......................................................................................33
Rinnai New Zealand i Operation Manual
REGULATORY INFORMATION
Your Rinnai Continuous Flow water heater complies with NZS5262. A declaration to this effect can be
found on the Energy Safety Service website; www.ess.govt.nz.
This Appliance must be installed correctly by an authorised person. The installation of gas, water, and
electricity must conform to local regulations.
The installation must also comply with the instructions supplied by Rinnai.
All dimensions referred to in these instructions are in millimetres, unless otherwise specified.
Please keep this instruction booklet in a safe place for future reference.
WARNING ABOUT HOT WATER
Excessively hot water is dangerous, especially for young
children and the infirm. Rinnai Continuous Flow water
heaters allow you to control the temperature of hot water to
safe levels.
Water temperatures above 55°C can cause severe burns
instantly and may even result in death. Those most at risk are
children, disabled, elderly and the infirm. Hot water at 65°C (a
very common hot water temperature in New Zealand ) can
severely burn a child in less than half a second. At 55°C it
takes half a minute.
ALWAYS......
Test the temperature of the water with your elbow before
placing your child in the bath, also carefully feel water before
bathing or showering yourself.
Supervise children whenever they are in the bathroom.
Make sure that the hot water tap is turned off tightly.
CONSIDER.....
Installing child proof tap covers or child resistant taps (both
approaches will prevent a small hand being able to turn on
the tap).
Setting your appliance at a maximum temperature of 55°C
(Contact Rinnai New Zealand).
NEVER…..
Leave a toddler in the care of another child. They may not
understand the need to have the water temperature set at a
safe level.
Rinnai New Zealand 1 Operation Manual
FEATURES AND BENEFITS
Congratulations on purchasing the latest technology temperature controlled Rinnai continuous flow
water heating system.
• The Rinnai Infinity and Infinity HD products NEVER RUN OUT of hot water. Whilst electricity, water
and gas supplies are connected, hot water is available whenever hot water taps are open.
• Built into the main microprocessor is the facility to LIMIT THE MAXIMUM TEMPERATURE of the hot
water supplied. The water temperature may be limited to various values. This is particularly useful
when the hot water unit is installed where young children or the infirm may be using the hot water.
• The Rinnai Infinity, HD and Efficiency24 products are power flued appliances. This makes them
COMPACT, saving both floor and wall space.
• The temperature of hot water is CONSTANTLY MONITORED by a BUILT-IN SENSOR. If the
temperature of the hot water rises to more than 3°C above the selected temperature the burner is
turned OFF and only turned ON again when the temperature falls below the selected temperature.
• The burner lights automatically when the hot water tap is opened, and goes out when the tap is
closed. IGNITION IS ELECTRONIC, so there is no pilot light. When the hot water tap is off, no gas is
used.
• 'Deluxe' or 'Universal' Water Controllers are available as an optional extra. Depending on the
models chosen, these offer the following features:
• Bath fill function (Deluxe Bathroom Control Only).
• Voice Prompting (Deluxe Control Only).
• Clock (Deluxe Control Only).
• Up to four water controllers can be fitted. See page 6 for details.
• Water controller cables are connected easily by the end user using a convenient quick connect
system.
• Operating NOISE LEVEL IS VERY LOW.
• ERROR MESSAGES ARE DISPLAYED on the Water Controllers and Status Monitor*, assisting with
service. *Status Monitor available on Infinity XR26 Plus, XR20 Plus, Infinity HD250, HD250i, HD200
and HD200i models only.
The range of Rinnai continuous flow water heaters referred to in this manual are
NOTE
Rinnai New Zealand 2 Operation Manual
incompatible with solar water heating systems. A dedicated range of solar
compatible continuous flow water heaters is available from Rinnai.
IMPORTANT INFORMATION
OFF!
Always check water temperature carefully before
use. Refer to the WARNING ABOUT HOT WATER
on "page 1" of this manual for important safety
information.
HOT!
Do Not touch the unit cover or the flue outlet.
Do Not insert objects into the flue outlet.
On colder days steam may discharge from the flue
outlet. This condition is normal for high efficiency
appliances and does not indicate a fault.
Turn Water Off
Turn Gas Off
Drain*
Filter
Drain
Gas
Valve
At low water flows, the hot water unit may extinguish
without warning. Opening the tap further will restart
the appliance.
Keep flammable materials, spray cans, fuel
containers, pool chemicals, trees, shrubs, etc. well
clear of the flue outlet.
Do Not spray water directly into the flue terminal.
43°C
5
5
C
°
Drain Water
GasColdHot
Anti frost protection is fitted as standard equipment
on all LPG models and is available as an optional
extra on all natural gas models.
If natural gas units are installed into areas where
freezing conditions are experienced, the optional
automatic anti frost protection system should be fitted.
The anti frost protection system operates
automatically as required whenever the appliance is
connected to the electric power supply.
If the appliance is not going to be used for an
extended period and it is desired that 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.
Drain*: applies only to the Efficiency
(REU-K2430WG) model.
Rinnai New Zealand 3 Operation Manual
The delivered water temperature is controlled
automatically. The flow may vary depending on the
delivery temperature selected and the ambient water
temperature.
IMPORTANT INFORMATION
S
O
L
V
E
N
T
Max.
43°C
To clean your water controller(s) use a soft
damp cloth with a mild detergent.
Do Not use solvents!
49°C
50°C
Depending on the weather conditions and the
length of the pipe between the hot water unit
and the outlet in use, there may be a variation
between the temperatures displayed at the
water controller(s) and the temperature of the
water at the outlet.
Whilst hot water outlets are open the set
temperature may be lowered. However they
cannot then be raised above 43°C. In addition
transfer of 'priority' between controllers is not
possible. These are safety features.
There is no need to turn the water controller(s)
off after use. However, if you prefer to turn the
water controller(s) off, selected temperatures
to a maximum of 50°C will be stored in the
system memory at all times whilst mains power
remains connected.
Bathroom
Kitchen
As a safety precaution, if a Kitchen Controller's
temperature is set above 50°C, transferring
and then returning 'priority' to the Kitchen
Controller will result in a default set
temperature of 50°C being selected. This is a
safety feature.
Rinnai New Zealand 4 Operation Manual
Kitchen
Do Not push the On/Off button on any
Controller when the ‘Red’ water heater ‘In Use’
indicator is illuminated as this will turn off the
water heater causing the water to go cold.
Someone maybe in the middle of having a
shower or filling a bath.
OPERATION WITHOUT CONTROLLERS
Rinnai Infinity and Infinity HD continuous flow water heater products do not use a pilot light.
When installed and operated without water controllers, 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.
When the hot water tap is closed and water flowing through the appliance has stopped the burner
flame will extinguish.
NOTE
CAUTION
ON!ON!
HOTHOT
COLDCOLD
ON!ON!
OFF!OFF!
HOTHOT
COLDCOLD
OFF!OFF!
The Rinnai Infinity range of water heaters are factory pre-set to a temperature limit
of 55°C. Rinnai Infinity HD series are factory pre-set to a temperature limit of 75°C.
Other limits, lower or higher, are available on request for both the Infinity and HD
range. Temperature controllers are available to allow precise digital temperature
control.
Controllers can be fitted at any time after installation of the hot water unit.
Excessively hot water is dangerous, especially where young children and the
infirm are concerned. Rinnai continuous flow water heaters allow you to control
the temperature of your hot water to safe levels.
Water temperatures above 55°C can cause severe burns instantly, such scalding
and may even result in death. Those most at risk are children, disabled, elderly
and the infirm. Hot water at 65°C (a very common water temperature in New
Zealand) can severely burn a child in less than half a second. At 55°C it takes a
half minute.
ALWAYS......
Test the temperature of the water with your elbow before placing your child in the
bath, also carefully feel water before bathing or showering yourself.
Supervise children whenever they are in the bathroom.
Make sure that the hot water tap is turned off tightly.
CONSIDER.....
Installing child proof tap covers or child resistant taps (both approaches will
prevent a small hand being able to turn on the tap).
Setting your appliance at a maximum temperature of 55°C (Contact Rinnai New
Zealand).
NEVER…..
Leave a toddler in the care of another child. They may not understand the need
to have the water temperature set at a safe level.
Rinnai New Zealand 5 Operation Manual
GENERAL WATER CONTROL INFORMATION
Remote water controllers allow precise temperature control by the user. When used correctly, the hot
water unit will deliver the selected temperature, even when the water flow is varied, or more than one
tap is in use. Each water controller can be individually programmed, however the water heater can
only deliver one set temperature at any time. The available temperatures (°C) are as follows:
Kitchen Controller:
37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 50, 55°C* ( 60, 65, 75°C Infinity HD models only )
Bathroom Controller:
Hot Water Delivery: 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 50°C
Bath fill Delivery: 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48°C
Whilst hot water outlets are open the set temperature may be lowered. However the set temperature
cannot then be raised above 43°C. In addition, transfer of 'priority' between water controllers is not
possible. These are safety features.
Suggested temperatures are:
Kitchen 50°C ~ 55°C* Shower 37°C ~ 43°C, Bath fill 39°C ~ 45°C
* Temperature may not be available on all installations. Rinnai water heaters can be programmed to deliver higher temperatures
via the kitchen water controller. Contact Rinnai for more details.
These temperatures are suggestions only. You may find higher or lower temperatures more
comfortable. Maintaining lower temperatures helps save energy. To obtain water temperatures lower
than 37°C simply add cold water.
Water controllers are an optional extra. 'Universal', 'Deluxe', and ‘Wireless’ water controllers can be
fitted. Universal water controllers allow temperature selection only. Deluxe water controllers allow
temperature selection, shower saver / bath fill, voice prompting and have a clock function.
Water controllers allow the water temperature to be set from the various locations where they are
installed. The temperature selected will be available to all outlets.
Universal (MC-91-2A), Deluxe (MC/BC-70-2A and MC/BC-100V) and Wireless Water Controllers
- available configurations:
A maximum of 4 water controllers can be fitted. Any combination of deluxe, universal
and wireless controllers can be used with the following limitations:
Only ONE master controller can be installed. This can be a MC-70V/MC-100V, a
Wired and
Wireless
Installations
MC-91 (when programmed as a master controller) or a MC502S (wireless) water
controller.
Up to TWO BC-70V/BC-100V water controllers can be installed.
The FOURTH water controller in any installation MUST BE a MC502S (wireless)
or a MC-91.
Rinnai New Zealand 6 Operation Manual
UNIVERSAL WATER CONTROLLERS
ABOUT THE UNIVERSAL WATER CONTROLLER (MC-91-2A)
WATER HEATER
'In Use' INDIC ATOR
Indicates that a water
heater is in operation and
delivering hot water.
DIGITAL MONITOR
Indicates the temperautre
selected. Error message
flash in event of fault.
TEMPER ATURE
CONTRO L BUTTONS
Used to select water temperature.
CONTROLLER
ON INDIC ATOR
Indicates if this temperature
controller is in control of
water delivery temperature.
TRANSFER BUTTON
Used to transfer control priority
between the temperature
controllers. The controller with
priority has command of the
hot water delivery temperature.
ON/OFF BUTTON
Used to switch the water
heater on and off.
TURNING ON THE CONTROLLER
If the water controller is switched off (No digits displayed in the
digital monitor window) press the On/Off button once.
The ON indicator will illuminate, indicating that the hot water unit
will be ready to supply hot water once a hot water tap is opened.
ADJUSTING TEMPERATURE
Select the desired temperature using the 'Hot water temp' or
buttons until the required temperature is displayed on the
digital monitor.
To operate the hot water unit, open any hot water tap. This will
automatically light the burner providing hot water. The water
heater ‘In Use’ indicator will illuminate on the water controller.
Once the hot water is running, if the set temperature is either too
hot or cold press the 'Hot water temp' or buttons until the
desired temperature is reached.
CHECK WATER TEMPERATURE BEFORE USE.
A parent or carer should always check the temperature before a child is placed
CAUTION
in contact with hot water, see page 5.
ON!ON!
HOTHOT
COLDCOLD
Whilst hot water outlets are open the set temperature may be lowered. However
they cannot then be raised above 43°C. In addition, transfer of 'priority' between
NOTE
controllers is not possible. These are safety features.
The 'beep' sound can be muted by pressing the 'Hot water temp' Up and
Down buttons simultaneously for more than 3 seconds.
Rinnai New Zealand 7 Operation Manual
UNIVERSAL WATER CONTROLLERS
HOW TO USE TWO OR MORE UNIVERSAL WATER CONTROLLERS
TURNING ON THE CONTROLLERS
If the controllers are switched off (No digits displayed in the digital
monitor window) press the On/Off button once at any controller.
The ON indicator on the desired controller will illuminate,
indicating that the hot water unit will be ready to supply hot water
once a hot water tap is opened.
TRANSFERING PRIORITY
An illuminated On/Off indicator confirms that the desired controller
is in control of the water delivery temperature, if the On/Off
indicator is not illuminated press the Transfer button once.
The On/Off indicator on the controller will now illuminate indicating
that hot water temperature control has now been transferred to
this controller and that the hot water unit will be ready to supply hot
water once a hot water tap is opened.
ADJUSTING TEMPERATURE
Select the desired temperature using the 'Hot water temp' or
buttons until the required temperature is displayed on the
digital monitor.
To operate the hot water unit, open any hot water tap. This will
automatically light the burner providing hot water. The water
heater ‘In Use’ indicator will illuminate on the water controller.
Once the hot water is running, if the set temperature is either too
hot or cold press the 'Hot water temp' or buttons until the
desired temperature is reached.
CHECK WATER TEMPERATURE BEFORE USE.
A parent or carer should always check the temperature before a child is placed
CAUTION
in contact with hot water, see page 5.
Whilst hot water outlets are open the set temperature may be lowered. However
they cannot then be raised above 43°C. In addition transfer of 'priority' between
NOTE
controllers is not possible. These are safety features.
Temperatures higher than 55ºC should not be able to be selected on controllers
installed in bathrooms, ensuites or toilets. This is to help reduce the risk of burns
from hot water. If this is not the case, the controllers have been incorrectly
installed. CONTACT YOUR INSTALLER.
ON!ON!
HOTHOT
COLDCOLD
The temperature of outgoing hot water is constantly monitored by a built-in
sensor. If the temperature of the outgoing hot water rises to more than 3°C above
the selected temperature shown on the digital monitor or the pre-set limit when
water controllers are not fitted, the burner will automatically go out. The ‘in use’
indicator will also go out. The burner will ignite again once the outgoing hot
water temperature falls to that shown on the digital monitor (or the pre-set limit
of the appliance).
Rinnai New Zealand 8 Operation Manual
DELUXE KITCHEN WATER CONTROLLERS
ABOUT THE DELUXE KITCHEN WATER CONTROLLER (MC-70-2A/MC-100V)
WATER HEATER
'In Use' INDICATOR
Indicates that a water heater is in
operation and delivering hot water.
CLOCK
12 Hour AM / PM clock. In the
event of a fault, codes for error
messages will flash here.
HOURS / MINS BUTTONS
Used to select hours & minutes
of the clock.
CLOCK BUTTON
Used to select the clock function.
ON/OFF BUTTON
Used to switch the water heater
on and off.
Flip Cover
Open
Flip Cover
Closed
SHOWER SAVER /
BATH FILL INDICATOR
Indicates Shower Saver / Bath Fill
function operating.
Bath
00 00
Clock Hour Min.
ON/OFF
Sound
Vol.
WATER TEMPERATURE
INDICATOR
Indicates the selected hot water
temperature.
Transfer
Hot water
temp.
Cooler
Hotter
MC- 70 - 1A
Hot water temp.
DIGITAL
MONITOR
TRANSFER BUTTON
Used to transfer control priority
between the temperature
controllers. The controller with
priority has command of the hot
water delivery temperature. This
button is illuminated when the
controller has priority.
SPEAKER
TEMPERATURE
CONTROL BUTTONS
Used to select water temperature
when the flip cover is open.
SOUND VOLUME BUTTON
Used to select the voice prompt
volume.
COVER TEMPERATURE
CONTROL BUTTONS
Used to select water temperature
when the flip cover is closed.
HOW TO USE A SINGLE DELUXE WATER CONTROLLER
When using a single Deluxe Water Controller, the Deluxe Kitchen
Water Controller (MC-70-2A/MC-100V) must be fitted.
TURNING ON THE CONTROLLER
BATH
Transfer
If the controller is switched off (No digits other than the clock digits
displayed in the digital monitor window) press the On/Off button
once.
Clock Hour
ON/OFF
00 00
Min.
Sound
Hot water
temp.
Hotter
Cooler
Vol.
MC -70 -1A
The Transfer button of the controller will illuminate, indicating that the
hot water unit will be ready to supply hot water once a hot water tap
is opened.
Each time a button is pressed, a 'beep' will sound. The 'beep' sound and the 'bath
fill complete' buzzer can be muted by pressing the Temperature Controller Up
NOTE
and Down buttons simultaneously for more than 3 seconds. To return to original
settings, repeat this step.
Avoid getting water in the speaker as this may cause damage.
SETTING THE CLOCK
The clock is a 12 hour AM/PM style display. To set the time press the 'Clock' button once, the
Clock
clock digits in the digital monitor will flash AM 12:00 in the clock setting mode.
Rinnai New Zealand 9 Operation Manual
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