Rinnai MC-100V User manual

MC-100V & BC-100V
Operation & Installation Manual
Your guide on how to use and install Rinnai Deluxe Water Controllers
This guide is for the use and installation of Rinnai Deluxe remote controller models MC-100V
and BC-100V.
These instructions MUST BE used in conjunction with the Rinnai Water Heater Operation /
Installation Manual supplied with Rinnai water heaters.
These remote controllers are compatible ONLY with the Rinnai water heater and other remote
controller models shown.
Refer to page 6of this manual to conrm the maximum number and combination of control-
lers that can be tted to your Rinnai water heater model.
This appliance must be installed in accordance with:
• Manufacturer’s Installation Instructions
• Current AS/NZS 3000, AS/NZS 3500 & 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.

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TABLE OF CONTENTS
Warnings & Important Information 4
Regulatory Information ������������������������������������������������������������������������������������������������������������������������������������������������������� 4
Notice to Victorian Consumers ������������������������������������������������������������������������������������������������������������������������������������������ 4
Warning About Hot Water ��������������������������������������������������������������������������������������������������������������������������������������������������� 4
Water Temperature Control 5
Maximum Delivery Temperatures ��������������������������������������������������������������������������������������������������������������������������������������� 5
Operation Without Water Controllers �������������������������������������������������������������������������������������������������������������������������������� 5
Rinnai Water Controllers ����������������������������������������������������������������������������������������������������������������������������������������������������� 5
Location ����������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 5
Water Resistance �������������������������������������������������������������������������������������������������������������������������������������������������������������� 5
Temperature Control ��������������������������������������������������������������������������������������������������������������������������������������������������������� 6
Water Controller Combinations & Congurations ����������������������������������������������������������������������������������������������������������� 6
Wired Only Congurations ������������������������������������������������������������������������������������������������������������������������������������������������ 6
Combined Wireless & Wired Congurations ��������������������������������������������������������������������������������������������������������������������� 6
Water Controller Operation 7
Deluxe Kitchen Water Controller (MC-100V) ��������������������������������������������������������������������������������������������������������������������� 7
Turning On ������������������������������������������������������������������������������������������������������������������������������������������������������������������������ 7
Adjusting Temperature ����������������������������������������������������������������������������������������������������������������������������������������������������� 7
Transferring Priority ����������������������������������������������������������������������������������������������������������������������������������������������������������� 7
Setting The Sound Options ����������������������������������������������������������������������������������������������������������������������������������������������� 8
Setting The Clock �������������������������������������������������������������������������������������������������������������������������������������������������������������� 8
Water Controller Combinations & Congurations �������������������������������������������������������������������������������������������������������������� 8
Deluxe Bathroom Water Controller (BC-100V) ������������������������������������������������������������������������������������������������������������������ 9
Turning On ������������������������������������������������������������������������������������������������������������������������������������������������������������������������ 9
Adjusting Temperature ������������������������������������������������������������������������������������������������������������������������������������������������������ 9
Transferring Priority ��������������������������������������������������������������������������������������������������������������������������������������������������������� 10
Setting The Sound Options ��������������������������������������������������������������������������������������������������������������������������������������������� 10
Setting The Clock ������������������������������������������������������������������������������������������������������������������������������������������������������������ 10
Setting Shower Saver / Bath Fill ��������������������������������������������������������������������������������������������������������������������������������������11
Using Shower Saver / Bath Fill ��������������������������������������������������������������������������������������������������������������������������������������� 12
Water Controller Combinations & Congurations ������������������������������������������������������������������������������������������������������������ 12
Smartstart Pre-Heat System ��������������������������������������������������������������������������������������������������������������������������������������������� 13
Preheat Function ������������������������������������������������������������������������������������������������������������������������������������������������������������� 13
Preheat Operation ����������������������������������������������������������������������������������������������������������������������������������������������������������� 13
Water Controller Functions ���������������������������������������������������������������������������������������������������������������������������������������������� 13
Water Controller Installation 15
General Information ����������������������������������������������������������������������������������������������������������������������������������������������������������� 15
Master / Sub Water Controllers & Associated Temperatures ������������������������������������������������������������������������������������������ 15
Water Controllers Limitations ������������������������������������������������������������������������������������������������������������������������������������������ 15
Location ��������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 16
Communication Cables ��������������������������������������������������������������������������������������������������������������������������������������������������� 17
Connecting Communication Cable(s) & ’Ezi connect’ ����������������������������������������������������������������������������������������������������� 17
Deluxe Kitchen Water Controller (MC-100V) ������������������������������������������������������������������������������������������������������������������� 18
Deluxe Bathroom Water Controller (BC-100V) ���������������������������������������������������������������������������������������������������������������� 18
Specications 19
Table 1� Dimensions ���������������������������������������������������������������������������������������������������������������������������������������������������������� 19
Diagram 1� Dimensions ����������������������������������������������������������������������������������������������������������������������������������������������������� 19
Contacts 20

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WARNING
READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE�
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
Controllers and water heaters must be installed correctly by an authorised person�
The installation of gas, water, and electricity 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.
WARNING
WARNING ABOUT HOT WATER
Hot water can cause scalding� Those most
at risk are children and disabled, elderly
and inrm persons. (65°C water can
severely burn a child in half a second)�
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

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Temperature Control
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 ow is varied, or more than one tap is in use.
Only one MC model water controller can be designated as a ‘Master’ water controller and this is normally used
in the kitchen. All the remaining water controllers are designated as ‘Sub’ water controllers and are for use in
bathrooms, toilets and laundries. The maximum temperature limit for all ‘Sub’ water controllers is restricted to 50°C
to minimise the risk of burns in these areas.
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:
Water Controller
Temperatures (°C)**
Master (MC) 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 50, 55*, 60*, 65*
Sub (MC or BC) 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 50
For hygiene in sanitary areas such as bathrooms, the suggested temperature should be 37°C ~ 43°C.
The above is a suggestion only, as you may nd higher or lower temperatures more comfortable, however
maintaining lower temperatures also helps to save energy.
To obtain water temperatures lower than 37°C, simply open the cold water tap and add cold water until the desired
lower temperature is reached.
NOTE
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 tted, 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)
*Temperature may not be available on all installations� Some Rinnai Continuous Flow water
heaters can be programmed to deliver higher temperatures from the master water controller, or
may be programmed to restrict the maximum available delivery temperature� Contact Rinnai for
more details�
** Temperature limiting devices (where tted) may further control what maximum delivery
temperature is available to outlets�
Universal and Wireless and water controllers allow temperature selection only. Deluxe water controllers allow
temperature selection, have a clock function and the Deluxe Bathroom water controller has a shower saver / bath
ll function is also available, contact Rinnai for further information regarding Wireless and Deluxe water controllers
or visit www.rinnai.com.au.
WATER CONTROLLER COMBINATIONS & CONFIGURATIONS
Wired Only Congurations
• A maximum of 4 water controllers can be tted. Any combination of deluxe and universal controllers can be
used with the following limitations:
• Only ONE master controller can be installed. This can be a MC-100V, or a MC-601Q (when programmed as
a master controller). Note that when a MC-100V is tted it will always functions as a master controller, this
is the default setting and can not be changed.
• Up to TWO BC-100V water controllers can be installed.
• The FOURTH water controller in any installation MUST BE a MC-601Q.
Combined Wireless & Wired Congurations
• A maximum of 4 water controllers can be tted. 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-100V, a MC-601Q (when programmed as
a master controller) or a MC-503RC-S water controller. Note that when a MC-100V is tted it will always
functions as a master controller, this is the default setting and can not be changed.
• Up to TWO BC-100V water controllers can be installed.
• The FOURTH water controller in any installation MUST BE a MC-503RC-S or a MC-601Q.
WATER TEMPERATURE CONTROL

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DELUXE KITCHEN WATER CONTROLLER (MC-100V)
Turning On
If the water controller is switched o (No digits displayed in the digital monitor
window) press the On/O button once.
The On/O and Transfer buttons illuminate to indicate 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 Temperature 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(s).
Once the hot water is running, if the set temperature is either too hot or cold press
the Temperature or buttons until the desired temperature is reached.
NOTE
Whilst hot water outlets are open the set temperature may be lowered,
however it cannot then be raised above 43°C. In addition transfer of
'priority' between controllers is not possible� These are safety features�
If the water heater is turned ‘O’ whilst hot water taps are open it can
not be turned back ‘On’ until all hot water taps have been closed�
CAUTION
Always check water temperature at the outlet before use� A parent or
carer should always check the temperature before a child is placed in
contact with hot water, see "Warning About Hot Water" on page 4�
Transferring Priority
To control the water delivery temperatures when using two or more controllers it is
necessary to have priority transferred to the water controller you wish to use.
Illuminated On/O and Transfer buttons conrm that the desired controller is in
control of the water delivery temperature. If the On/O button is not illuminated press
the Transfer button once, the On/O and Transfer buttons will illuminate indicating
that hot water temperature control has been transferred and that the hot water unit
will be ready to supply hot water once a hot water tap is opened.
SPEAKER
DIGITAL MONITOR
When in Normal mode these buttons are used to
select the water temperature.
In 'Setup' mode these buttons are used to adjust
the voice prompt volume and to set the clock.
UP AND DOWN BUTTONS
12 Hour AM / PM clock display.
In the event of a fault, codes for error messages will
flash here.
CLOCK
Indicates that the water heater is in operation and
delivering hot water.
WATER HEATER 'In Use' INDICATOR
Used to start and stop the Smartstart preheat unit
(when fitted), See Smartstart Operation on page 12.
This button is illuminated when the Smartstart
preheater (when fitted) is activated.
PREHEAT BUTTON
Indicates the selected hot water temperature.
WATER TEMPERATURE INDICATOR
Indicates that the Shower Saver / Bath Fill function
is operating.
SHOWER SAVER / BATH FILL INDICATOR
Used to transfer control priority between the Water
Controllers. The controller with priority has
command of the hot water delivery temperature.
This button is illuminated when this controller has
priority.
TRANSFER BUTTON
Used to switch the water heater on and off. This
button is illuminated when the hot water heating
system is on.
ON/OFF BUTTON
Used to swith the controller between Normal, Voice
or Clock modes.
MODE BUTTON
HOTHOT
COLDCOLD
ON!ON!
WATER CONTROLLER OPERATION

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Setting The Sound Options
To set the sound options press the Mode button once to place the controller into
‘Voice’ mode.
Use the or buttons to select one of the desired audible setting as follows:
Voice - High, Med, Low or O
NOTE
Setting the voice prompt volume does not aect the audible tones.
Sound OFF, mutes all voice prompts and audible tones.
Press the Mode button twice to return to normal operation.
NOTE
If no buttons are pressed for a period of approximately 10 seconds the
controller will return to normal operation�
Setting The Clock
The clock is a 12 hour AM/PM style display.
To set the time press the Mode button twice, this places the controller into clock
setting mode and in the digital monitor the word Clock will be displayed and the
clock digits will ash.
Use the or buttons to select the desired time, holding these buttons down
continuously cycles the digits.
When you get close to the time you wish to set, press the button intermittently to
avoid going further than the desired time.
To return to normal operation press the Mode button once.
NOTE
If no buttons are pressed for a period of approximately 60 seconds the
controller will return to normal operation�
The time is always displayed regardless of whether the water controller
is turned ON or OFF�
The clock may need resetting if power to the water heater unit is
disrupted due to a power failure or if the power is switched o over a
prolonged period�
The default factory start time is set to AM 12:00�
Water Controller Combinations & Congurations
Wireless, Universal and Deluxe water controllers can be combined, Refer to "Water
Controller Combinations & Congurations" on page 5 to conrm the maximum
number and combination of controllers that can be tted.
WATER CONTROLLER OPERATION

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DELUXE BATHROOM WATER CONTROLLER (BC-100V)
Turning On
If the water controller is switched o (No digits displayed in the digital monitor window)
press the On/O button once.
The On/O and Transfer buttons illuminate to indicate 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 Temperature 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(s).
Once the hot water is running, if the set temperature is either too hot or cold press the
Temperature or buttons until the desired temperature is reached.
NOTE
Whilst hot water outlets are open the set temperature may be lowered,
however it cannot then be raised above 43°C. In addition transfer of
'priority' between controllers is not possible� These are safety features�
If the water heater is turned ‘O’ whilst hot water taps are open it can
not be turned back ‘On’ until all hot water taps have been closed�
CAUTION
Always check water temperature at the outlet before use� A parent or
carer should always check the temperature before a child is placed in
contact with hot water, see "Warning About Hot Water" on page 4�
Used to transfer control priority between the Water
Controllers. The controller with priority has command of
the hot water delivery temperature. This button is
illuminated when this controller has priority.
TRANSFER BUTTON
SPEAKER
Used to start and stop the Smartstart preheat unit (when
fitted), See Smartstart Operation on page 12.
This button is illuminated when the Smartstart preheater
(when fitted) is activated.
PREHEAT BUTTON
Indicates the selected hot water temperature.
WATER TEMPERATURE INDICATOR
Indicates that the Shower Saver / Bath Fill function has
been selected and that a shower is running or the bath
is filling.
SHOWER SAVER / BATH FILL INDICATOR
12 Hour AM / PM clock display.
Indicates how much water remains to flow for the
selected Shower Saver / Bath Fill volume, decreasing
while shower runs or bath fills.
In the event of a fault, error message codes will flash here.
CLOCK & REMAINING WATER
VOLUME INDICATOR
In Normal and Shower Saver / Bath Fill modes these
buttons are used to select the water temperature.
In 'Clock' mode these button are used to set the clock.
TEMPERATURE BUTTONS
Indicates Shower Saver / Bath Fill volume selected.
WATER LEVEL INDICATOR
Used to select Shower Saver / Bath Fill function. This
button is illuminated when the Shower Saver / Bath Fill
function is selected.
Used to select Shower Saver / Bath Fill volumes.
WATER VOLUME BUTTONS
Used to select the voice and audible tone options.
SOUND VOLUME BUTTON
Used to select clock setting mode.
CLOCK SETTING BUTTON
SHOWER SAVER / BATH FILL BUTTON
Used to switch the water heater on and off. This button
is illuminated when the hot water heating system is on.
ON/OFF BUTTON
Indicates that the water heater is in operation and
delivering hot water.
WATER HEATER 'In Use' INDICATOR
DIGITAL MONITOR
HOTHOT
COLDCOLD
ON!ON!
WATER CONTROLLER OPERATION

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Transferring Priority
To control the water delivery temperatures when using two or
more controllers it is necessary to have priority transferred to the
water controller you wish to use.
Illuminated On/O and Transfer buttons conrm that the desired
controller is in control of the water delivery temperature. If the
On/O button is not illuminated press the Transfer button once,
the On/O and Transfer buttons will illuminate indicating that hot
water temperature control has been transferred and that the hot
water unit will be ready to supply hot water once a hot water tap
is opened.
Setting The Sound Options
To set the sound options press the Sound Volume button and
select the desired audible setting as follows:
Voice - OFF - LOW - MED - HIGH
NOTE
Setting the voice prompt volume does not aect the
audible tones�
Sound OFF, mutes all voice prompts and audible tones.
Press any of the or buttons to return to normal operation.
NOTE
If no buttons are pressed for a period of
approximately 10 seconds the controller will return
to normal operation�
Setting The Clock
The clock is a 12 hour AM/PM style display.
To set the time press the Clock button once, this places the
controller into clock setting mode, in the digital monitor the clock
digits will ash.
Use the Temperature or buttons to select the desired time,
holding these buttons down continuously cycles the digits.
When you get close to the time you wish to set, press the button
intermittently to avoid going further than the desired time.
To return to normal operation mode press the Clock button once.
NOTE
If no buttons are pressed for a period of
approximately 60 seconds the controller will return
to normal operation�
The time is always displayed regardless of whether
the water controller is turned ON or OFF�
The clock may need resetting if power to the water
heater unit is disrupted due to a power failure or if
the power is switched o over a prolonged period.
The default factory start time is set to AM 12:00�
WATER CONTROLLER OPERATION

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Setting Shower Saver / Bath Fill
The 'Shower Saver / Bath Fill' function allows a pre-set water volume and temperature to be selected and run
automatically.
NOTE
No voice prompts will be available if the ‘Voice OFF’ or ‘Sound OFF’ options are selected� With
‘Sound OFF’ there will also be no audible tones�
When a deluxe bathroom controller is rst turned on, the default
shower / bath ll temperature is set to 40°C and the shower /
bath volume is set to 100 litres.
The shower / bath volume can be lowered to a minimum of 30
litres or raised to a maximum of 400 litres and the temperature
adjusted as desired.
Setting Shower / Bath Temperature and Volume
With the system on, select a Deluxe Bathroom water controller
and ensure that it currently has priority.
If it does not have priority press the Transfer button once and the
Transfer button will illuminate.
Press Shower Saver / Bath Fill button once. The Shower Saver
/ Bath Fill button will illuminate and a voice prompt and tone will
sound.
To select the desired delivery temperature use the 'Temperature'
or buttons.
The selected temperature will be displayed on the digital
monitor and will remain as the default Shower Saver / Bath Fill
temperature until it is changed or if the mains power is turned o
for an extended period.
To select the volume of water to be used in the shower / bath use
the Water Volume or buttons.
The selected volume is displayed in large digits to the right and
will remain as the default Water Volume until it is changed or if
the mains power is turned o for an extended period.
The selected volume is also repeated in the form of a remaining
volume counter below the temperature and replaces the clock
during Shower Saver / Bath Fill operations.
When lling a bath for the rst time, it is recommended that a low
bath ll volume such as 60 litres or lower be used.
During any subsequent bath lls the volume can then be adjusted
to suit your known bath volume and or desired ll level
CAUTION
Be careful not to overll the bath, an average bath volume is 160 litres. It is recommended that
when lling a bath for the rst time you should:
• Remain by the bath during the lling process.
• Use a low bath ll volume such as 60 litres or less.
When Smartstart® (page 12) is in operation, the Shower Saver / Bath Fill function is unavailable
while the water heater ‘In Use’ indicator is illuminated�
Do not press the Preheat button whilst Shower Saver / Bath Fill is in operation as the programmed
bath ll volume will not be met.
WATER CONTROLLER OPERATION

Rinnai 11 HW_CF_DELUXE OIM
Using Shower Saver / Bath Fill
Press Shower Saver / Bath Fill button once. The Shower Saver
/ Bath Fill button will illuminate and a voice prompt and tone
will sound. During Shower Saver / Bath Fill operations the 'Bath'
indicator will also be displayed in the Deluxe Kitchen water
controller digital monitor (when tted).
The voice prompt will say "The hot water system is ready. Open
the hot water tap”. Open the hot water tap for the relevant shower
or bath.
The ‘In Use’ indicator will illuminate on all Deluxe water
controllers and the shower will run or the bath will start to ll.
To Stop Shower Saver / Bath Fill Operation
If you wish to stop the water ow whilst the Shower Saver / Bath
Fill function is in operation, simply press the Shower Saver /
Bath Fill button.
The Shower Saver / Bath Fill button will ash and the voice
prompt will say "Hot water is not available, Turn o all hot water
taps and push the Bath Fill button". Follow the voice prompt
instructions.
When Shower Saver / Bath Fill Operations Finishes
Once the Shower Saver / Bath Fill operation nishes the following
events will occur:
1. The ow from the shower / bath hot water tap ceases.
2. The Shower Saver / Bath Fill button will ash.
3. The Deluxe Kitchen water controller 'Bath' indicator will
ash.
4. A tone will sound.
5. The voice prompt will say "Bath ll is complete. Turn o the
bath hot water tap and push the Bath Fill button."
Follow the voice prompts instructions.
NOTE
The water heater will not allow hot water to ow from any xture until the Shower Saver / Bath Fill
button has been pressed�
6. The Shower Saver / Bath Fill button light on the Deluxe Bathroom water controller and the 'Bath' indicator on
the Deluxe Kitchen water controller monitor (when tted) will go out.
NOTE
CHECK WATER TEMPERATURE BEFORE USE�
A parent or carer should always check the temperature before a child is placed in contact with hot
water, see page 8�
NEVER LEAVE YOUNG CHILDREN UNATTENDED IN THE BATH�
When using the 'Shower saver / Bath ll' function, ALWAYS close the hot water tap for the bath or
shower after the ow has stopped.
Water Controller Combinations & Congurations
Wireless, Universal and Deluxe water controllers can be combined, Refer to "Water Controller Combinations &
Congurations" on page 5 to conrm the maximum number and combination of controllers that can be tted.
HOTHOT
COLDCOLD
ON!ON!
HOTHOT
COLDCOLD
OFF!OFF!
HOTHOT
COLDCOLD
OFF!OFF!
WATER CONTROLLER OPERATION

Rinnai 12 HW_CF OIM
SMARTSTART PRE-HEAT SYSTEM
NOTE
The “Preheat” function is only available on Rinnai water heater models installed in conjunction
with the optional Rinnai “Smartstart®” module�
25
8
11
6
2
8
5
4
6
3
4
9
77
9
3
1
Preheat Button
2
Preheat Indicator
Used to start and stop Smartstart preheater Indicates that Smartstart preheater is activated*
3
Digital Monitor
4
On/O button
5
Priority Indicator
6
Temperature Control Buttons
7
Water Heater "In Use" Indicator
8
Priority Transfer Button
9
Water Heater On Indicator
Preheat Function
When the “Preheat” function is activated and used in accordance with these instructions, water in the pipework
connected between the water heater and the hot water outlets in your house is warmed before any outlets are
opened. This results in water savings and added convenience.
Preheat Operation
1. Ensure that the hot water unit is on (temperature digits are displayed in the digital monitor
3
). If more than
one water controller is tted press the ‘Priority Transfer’ button
8
to pass on priority to your desired water
controller. The ‘Controller Priority’ indicator
5
will illuminate to conrm that priority has been assigned to this
water controller and that the hot water unit is ready to deliver hot water.
1. Select the desired temperature using the 'Temperature Control' buttons
6
until the required temperature is
displayed in the digital monitor
3
.
2. Press the ‘Preheat’ button
1
once. The ‘Preheat’ indicator
2
and the ‘In Use’ indicator
7
will illuminate,
signifying that the preheat system has been activated.
3. Wait approximately two minutes before opening an outlet. This will allow the water in the pipework to be
warmed.
NOTE
The waiting time may be longer or shorter than two minutes depending on your particular
installation conguration.
The preheat function is completed 5 minutes after activation and the ‘Preheat’ indicator will go
out� This is to conserve energy� To reactivate, simply repeat steps 2-4 above�
* If the ‘Preheat’ button is pressed and the ‘Smartstart’ preheat unit is not installed, the ‘Preheat’
indicator will still light but there will be no preheat function� The ‘Preheat’ indicator will go out
after a short time and will not aect the other functions of the water controller or water heater.
After using the Shower Saver / Bath Fill function wait 30 seconds before activating the “Preheat”
function� Attempting to use the “Preheat” function earlier will result in voice prompts being
repeated until the system is reset. The system can be reset by pressing the ‘On /O' button twice.
Water Controller Functions
Water controller functions such as temperature control and transfer of priority between multiple controllers are not
aected by the operation of the preheat. Such functions are described in the applicable sections of this manual.
WATER CONTROLLER OPERATION

Rinnai 13 HW_CF OIM
GENERAL INFORMATION
IMPORTANT
Other manufacturers water controllers are NOT compatible with Rinnai water heaters� Water
controllers MUST NOT be used with any Solar Boost water heater� Rinnai water controllers
brought in from other countries are not compatible with Rinnai appliances sold in Australia�
Regardless of water controller installation, all Rinnai water heaters must only be installed by an
Authorised person�
Water controllers, transceivers and water heaters DO NOT contain user serviceable parts and
must ONLY be serviced and repaired by an authorised person�
Master / Sub Water Controllers & Associated Temperatures
Only one MC model water controller can be designated as the 'Master' water controller. This water controller is
normally used in the kitchen and usually has a maximum temperature of 55°C, which is sucient for almost all
kitchen applications. Temperatures higher than 55°C are possible but usually unnecessary and will result in higher
gas use and increase the risk of burns.
Some additional conditions regarding Master Controller maximum temperatures apply when a wireless water
controller is used as the 'Master' water controller.
(i) Temperatures of 55°C or higher can only be selected on the controller designated as the 'Master' water
controller if the transceiver 'Max Temp' is also programmed to 55°C or higher.
(ii) The temperature of hot water delivered is always limited to the maximum temperature programmed into the
water heater itself. For example, if the transceiver maximum temperature is programmed to 55°C and the
water heater is limited to 50°C, the maximum temperature that the water heater will deliver is 50°C. In this
case 55°C will be displayed on the wireless Master Controller until a tap is opened after which the display will
revert to 50°C.
IMPORTANT
The water heater maximum temperature cannot be adjusted by the user� These adjustments can
ONLY be carried out by a qualied and licensed trades person.
The remaining water controllers are designated 'sub' controllers and are for use in bathrooms, toilets and laundries.
The temperature limit for all 'Sub' controllers is always 50°C to minimise the risk of burns in these areas.
Adhesive labels are included for individual identication of wireless water controllers as master (Kitchen) or sub
(Bathroom) water controllers. These labels are usually placed on the top back of the wireless water controller body.
Water Controllers Limitations
An installation can have up to 4 universal MC-601Q water controllers.
Deluxe kitchen, bathroom and wireless water controllers are also available and various combinations of universal
and the deluxe and wireless water controllers can be used with the following limitations:
• A maximum of 4 water controllers can be tted.
• Only ONE master controller can be installed. This can be a deluxe kitchen, wireless or a universal (when
programmed as a master controller) water controller.
IMPORTANT
When a deluxe kitchen is tted it will always function as a master controller, this is the default
setting and can not be changed�
• Up to TWO deluxe bathroom water controllers can be installed.
• The FOURTH water controller in any installation MUST BE a wireless or a universal water controller.
For more information regarding deluxe kitchen, bathroom and wireless water controllers, contact Rinnai or visit:
www�rinnai�com�au.
WATER CONTROLLER INSTALLATION

Rinnai 14 HW_CF OIM
Location
IMPORTANT
• DO NOT install water controllers near a heat source, such as a cook top, stove or oven� Heat,
steam, smoke and hot oil may cause damage�
• DO NOT install water controllers outdoors unless protection from water / dust ingress and
sunlight are provided�
• The MC100V water controller MUST NOT be installed in a bathroom�
• DO NOT install water controllers in direct sunlight�
• DO NOT install wireless water controllers outdoors unless protection from dust ingress and
sunlight are provided�
• DO NOT install water controllers against a metal wall unless the wall is earthed in accordance
with AN/NZS 3000�
• Water controllers MUST NOT be installed where chemicals such as benzene, alcohol,
turpentine, hydrogen sulphide, ammonia, chlorine or other similar chemicals are in use�
The Water controller is a water resistant device, however excessive exposure to water may result
in damage to the water controller� Durability is improved when positioned outside the shower
recess�
• AVOID direct exposure to water or steam as these conditions may cause a malfunction�
• Water controllers must be installed in shaded and clean locations. They should be tted out
of reach of children (suggested height from oor to be at least 1500 mm). Water controllers
MUST BE installed at least 400 mm above the highest part of a sink, basin or bath�
• When cleaning your water controller use ONLY a damp cloth and a mild detergent�
For all water controller dimensions refer to "Dimensions" on page 17�
NOTE
ADDITIONAL WATER CONTROLLER MOUNTING CONSIDERATIONS.
The MC-100V uses a Liquid Crystal Display (LCD) for the digital monitor�
Light reections can make the LCD dicult to see at direct eye level.
For best results when Installing the MC-100V mount the remote controller
lower than your eye-level to avoid these light reections.
WATER CONTROLLER INSTALLATION

Rinnai 15 HW_CF OIM
Communication Cables
Wired water controllers operate at an extra low voltage (12 Volts DC) which is supplied from the water heater,
a 10 metre long communications cable is supplied for connection to the water heater. ONLY Rinnai supplied
communication cables may be used. Optional longer communication cabling is available from Rinnai.
The water heater end of the cables are tted with spade terminals. Only two pairs of cables (4 spade connectors in
total) may be terminated. When attaching three or four cables it is necessary to join the cable terminals as follows:
For each pair cut o the existing spade connectors and re-terminate each pair into a new spade connector
A
so
that there are only two sets of spade connectors (4 spade connectors in total) to be terminated (spade connectors
are available from your local electrical component retailer).
Connecting Communication Cable(s) & ’Ezi connect’
CAUTION
DO NOT attempt to connect cables to the 'Ezi connect' cable connector at the water heater
unless the electric power to the water heater is switched ‘o’ otherwise damage to electrical
components may occur�
If your water heater is not tted with an 'Ezi connect' cable connector, installation must be
completed by a qualied and licensed trades person.
1. Isolate the electric power supply by switching the power point o and removing the power plug of the water
heater from the electric power socket.
2. Remove the retaining screw
A
of the 'Ezi connect' cable connector at the base of the appliance.
3. Swing the 'Ezi connect' cable connector door open and thread the cable through the weather seal of the cable
access hole
B
in the direction shown allowing sucient cable length so that the sheath of the cable can be
secured with cable clamp C.
4. Loosen screw terminals
D
&
E
and connect the cable spade connectors to these terminals and re-tighten.
Polarity is not important, either wire colour can be connected to either terminal.
5. Return the 'Ezi connect' cable connector to the original position taking care not to damage cable wires in the
process and replace the retaining screw
A
.
When
Terminating
Three Cables
When
Terminating
Four Cables
A
A
A
A
B
A
CE
D
B
WATER CONTROLLER INSTALLATION

Rinnai 16 HW_CF OIM
DELUXE KITCHEN WATER CONTROLLER (MC-100V)
1. Determine the most suitable position, refer "Location" on page 14.
2. Using the wall mounting bracket as a template mark and drill 3 holes (mounting and cable access) refer to
"Dimensions" on page 17
3. Fix the mounting bracket to the wall using the appropriate xings.
4. Run the cable through the hole in the wall.
5. Carefully remove face plate from the water controller, using a screw driver (Fig. 1).
6. Connect the cable to the water controller (Fig 2).
At this point cables from other controllers (if tted) may also be connected to the screw terminals of the
Kitchen water controller (Fig. 3) eliminating the need for multiple cable runs directly to the water heater.
Water controllers are not polarity sensitive. Feed any excess cable lengths into the wall cavity to avoid the
pinching of cables between the wall and the controller.
7. Fasten the controller to the wall mounting bracket (Fig. 4). Avoid the over-tightening of xings as this may
cause damage. Once secured replace the face plate.
NOTE
ADDITIONAL MC-100V MOUNTING CONSIDERATIONS�
The MC-100V uses a Liquid Crystal Display (LCD) for the digital monitor�
Light reections can make the LCD dicult to see at direct eye level.
For best results when Installing the MC-100V mount the remote controller
lower than your eye-level to avoid these light reections.
DELUXE BATHROOM WATER CONTROLLER (BC-100V)
1. Determine the most suitable position, refer "Location" on page 14.
2. Using the wall mounting bracket as a template mark and drill 3 holes (mounting and cable access) refer to
"Diagram 1. Dimensions" on page 18.
3. When running cable through the access hole ensure the connector end of the cable is located nearest to the
controller (Fig. 1).
4. Ax the double sided self-adhesive seal to the back of the water controller (Fig. 2).
5. Carefully remove the face plate from the water controller, do this by placing your thumbs on the front of the
digital display and while hooking your ngers behind top of plate and gently push as (Fig. 3), DO NOT use a
screwdriver as this may damage the controller.
6. Connect the cable to the water controller. Feed any excess cable lengths into the wall cavity to avoid the
pinching of cables between the wall and the controller.
7. Fix the controller to the wall using the appropriate xings as shown in (Fig. 4), avoid over-tightening of xings
as this may cause damage. Once secured replace the face plate.
Fig� 1 Fig� 2 Fig� 3 Fig� 4
Connector
Controller
Cable
Fig� 1 Fig� 2 Fig� 3 Fig� 4
Backing Seal
Remove film
to expose
self-adhesive
WATER CONTROLLER INSTALLATION

Rinnai 17 HW_CF_DELUXE OIM
DIMENSIONS
(all dimensions in mm)
Model
MC-100V
Deluxe Kitchen Controller
BC-100V
Deluxe Bathroom Controller
A Height 120 104
B Width 128 202
CDepth 20 22
D Vertical Mounting Hole Centres 83 (i) —
E Horizontal Mounting Hole Centres — 181
F Cable Access Hole Size / Position Ø20 / (ii) Ø20 / Centre
(i) The MC-100V uses a metal mounting bracket that has 3 upper and lower mounting points both on and either side of the vertical centre line.
(ii) The MC-100V cable access is horizontally oset to the right of the centreline, inside the metal mounting bracket, refer to dimensional diagram below
for correct cable access hole positioning.
BC-100V
MC-100V
F (ii)
(i)
(i)
BC
AD
C
A
E
B
F
SPECIFICATIONS

Rinnai 18 HW_CF_DELUXE OIM
NOTES

Rinnai 19 HW_CF_DELUXE OIM
NOTES

Rinnai has a Service and Spare Parts network with personnel
who are fully trained and equipped to give the best service on
your Rinnai appliance� If your appliance requires service,
please call our National Help Line� Rinnai recommends that this
appliance be serviced at least every 2 years�
With our policy of continuous improvement, we reserve the
right to change, or discontinue at any time, specifications or
designs without notice�
Australia Pty. Ltd.
ABN 74 005 138 769
100 Atlantic Drive
Keysborough, Victoria 3173
P�O� Box 460
Braeside, Victoria 3195
AU45204
Product Sales & Service National Help Line
Tel: 1300 555 545* Fax: 1300 555 655
*Monday to Friday, 8.00am to 5.30pm EST
For further information visit www.rinnai.com.au
20 HW_CF DELUXE OIM Issue 5 - Apr 2018
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