Rinnai WF-100W_EU User manual

User Manual
• Safety precautions are intended to protect safety of the user and prevent property damages. Please read this manual and use the
product properly.
• After reading, always furnish this manual in a place that can be accessed by persons using the product.
• As figure
s used in this manual were drawn for the purpose of explanation, they may be partially different from actu al appearance.
• External appearance and specifications of the product are subject to change without notice for quality improvement.
Product warranty is included in the manual.
• This p roduct is subject to treatment of domestic waste and is to be discarded by the user according to the standards on plastic
garbage bag and separate disposal and recycling.
•This product is suitable for household use only.
Smart Wi-Fi Boiler
Smart Wi-Fi Boiler
WF-100W_EU | WF-100B_EU

Block diagram of Wi-Fi boiler 3
Name of each part 4
Precautions for installation / checking wireless router 6
Correct method of use 7
Indoor temperature controller 7
How to download application 23
Application 24
Matters that require confirmation before reporting of failure 47
Installation 50
Product Specifications 53
Right of customers
Our customers have a precious right to receive free A/S during the warranty period when
failure occurs while using the product. However, please note that problems caused by
negligence of customers and natural disasters will involve cost regardless of the warranty
period.
Contents
Responsibility for paid service (cost burdened by customers)
When a customer requests a service, it is subject to paid service during the warranty
period in the following cases.
1. When failure is caused by injection of alien substances (water, beverage, coffee, toy, etc.)
into the product.
2. When the product is damaged or functional failure occurs from external impact during
installation or use.
3. When exterior is damaged or deformed by organic solvents like thinner and benzene.
4. When failure is caused by use of parts or consumables which are not standard products
supplied by Rinnai.
5. When failure occurs as the product is not installed according to the standard installation
method.
6. When failure is caused by incorrect type of gas, gas pressure or electric capacity.
7. When components are lost or damaged as the customer arbitrarily disassembles the product.
8. When the product is damaged from repair or remodeling by a non-service engineer of Rinnai
9. When failure is caused by natural disasters (lightning, fire, storm and flood, gas, salt,
earthquake, etc.)
10. When failure occurs as “Safety precautions” in User Manual of Rinnai product are not
followed.
2

3
Block diagram of Rinnai Wi-Fi boiler
Communication network
(3G/4G/Internet)
3G/4G/Wi-Fi
Smart phone
Wireless router
HOME
Rinnai server

4
Buttons
Name of each part
Indoor temperature controller
Heating ON / OFF
Wi-Fi
Timer
Power
Settings
Outing
Increase volume
Decrease volume
Switch heating method
Hot water ON / OFF
Decrease heating
temperature
Increase heating
temperature Increase hot water
temperature
Decrease hot water
temperature

5
 Components
• Check whether quantity of components is accurate.
• Remove all tapes, Styrofoam and papers attached to the product.
• Always store User Manual in an easily accessible place.
• Check the following components.
User Manual Screws (2 ea.)
for installation of indoor
temperature controller
Indoor temperature controller
Indoor temperature controller
Outing mode
Heating mode
Automatic mode
Wi-Fi
Save mode
Time
Eco combustion
Sleep mode
Service mode
Combustion
Timer mode
Hot water mode
Hot water preheating
 Display part
Timer setting
Hot water temperature
Heating temperature
(setting / current)

6
Checking wireless routers
1. This product only supports DHCP (Dynamic Host Configuration Protocol). If the user
wish
es to use an existing wireless router, DHCP server option must be enabled.
2. Channels 1~13 are available for wireless routers.
3. Encryption of wireless router supports WPA and WPA2, but it does not support WEP
and non-standard authentication methods.
4. Quality of wireless network connection can be affected by surrounding wireless
environment.
5. Some wireless routers can send abnormal DNS address even if they are not
connected to the internet, which causes Wi-Fi icon on the LCD window of indoor
temperature controller to be turned on. In this case, please contact the manufacturer
of corresponding wireless router and internet service provider.
6. Rinnai Wi-Fi boiler only supports wireless routers with Wi-Fi 2.4Ghz.
7. Rinnai Wi-Fi boiler supports IEEE802.11.b communication protocol. Make sure to check
whether the router supports IEEE802.11.b before installation.
8. Only use letters and numbers for the name of Wi-Fi connection (characters like
&,%,+,é... may not be supported).
This device is appropriate for electromagnetic waves at home (class B)
and is intended for use at home. It can be used in all regions.
Precautions for installation
To use the APP together with the Wi-Fi remote controller a wireless router must
be available.
If there is no wireless router, it must be installed.
If connection between Wi-Fi remote controller and server is lost because of
problems caused by the internet connection, router or natural disaster,
Rinnai Wi-Fi boiler application may not function properly.

7
Turning temperature controller ON / OFF
1. Temperature controller is turned ON to operate the boiler by pressing
ⓐ(power) button.
2. Press ⓐ(power) button again to turn temperature controller OFF.
To set current time
1. Press ⓑ (mode / setting) button for 3 seconds or longer.
2. Wh en hour digits flicker, use ⓒ(increase heating temperature or
decrease heating temperature) buttons to set current hour and press
ⓑ(mode / setting) button.
ⓒ
ⓑ
ⓐ
Please set present time.
Correct method of use Indoor temperature controller
 Time can only be set when heating and hot water mode are turned OFF.
 Incorrect time will be displayed upon initial power connection and after long-term
power failure. Follow the instruction
s above toset current time.
 Please set the time for proper use of timer function.
 When smart phone function is used, current time is automatically set.
4. Press ⓑ(mode / setting) button to finish time setting.
Time setting is completed.
3. When minutes digits flicker, use ⓒ (increase heating temperature or
decrease heating temperature) bu ttons toset current minutes.

8
To use audio guide
1. Press ⓐ(increase volume) button.
• Volume can be adjusted to mute and steps 1~5.
2. If you do not want audio guide, press ⓑ(decrease volume) until it is
muted.
ⓐ
ⓑ
Voice guidance is starting.
Voice guidance is over.
3. To confirm voice guidance language, press ⓑ (settings).
Voice guidance is starting.
Voice guidance is starting.
To change voice guidance language
1. Press ⓑ(Settings) for 3 seconds with the remote controller switched off.
2. When the current language is displayed in the remote controller, select
the voice guidance language by using
ⓒ
(increase heating temperature
or decrease heating temperature) button.

9
To change heating methods.
The user can choose among two different heating methods.
Installation requirements
• Install the remote controller 1.5 m off the floor, far from external doors and windows.
Indoor temperature (Space heating mode)
• A temperature sensor attached to remote controller detects temperature of the
room to maintain constant indoor temperature. When the user configures temperature
inside the room, the boiler operates according to temperature setting.
(Default option of this product at the time of purchase is indoor temperature heating.)
Pres sⓐ(switch heating method) button to
change heating method.
Heating method cannot be switched in
auto mode.
Please press the button after releasing
auto mode.
•
The Wi-Fi Remote controller allows the user to set the water flow temperature for
the heating system.
ⓐ
Start heating by indoor
temperature. (When switched to
Space heating mode)
Start heating by heating water
temperature. (When switched to
Flow temperature mode)
Floor heating (Flow temperature mode)
• The best position to install the remote controller is on an inner wall, without obstacles
around.
Wrong installation places
• In a place where the sun can shine directly on the remote controller.
• On a cold outside wall (provide insulation material behind the remote controller).
• Above a heat source such as a radiator, lamp or television.

10
To use heating
1. Press ⓐ(heating ON / OFF) button.
3. Heating is operated.
• When the boiler is in operation,
icon appears and icon flickers.
2. Set the wanted heating temperature by
pressing ⓑ(increase heating
temperature or decrease heating
tempe
rature) buttons.
• The boiler is not operated when
current temperature is higher than
setting temperature.
ⓐ
ⓑ
Liquid crystal display when [indoor
temperature heating] is used
Heating is ON.
Heating temperature has changed.
Range of temperature setting for indoor
temperature heating is between 5°C and 40°C.

11
To use heating
 When the boiler is operated, current temperature is displayed on the display window
in case of indoor temperature heating and setting temperature is displayed in case
of floor heating.
 Press mode / setting button for 3 seconds during use of heating water
or hot water to check heating water temperature of the boiler for 10 seconds.
Heating temperature cannot be controlled in Auto mode and Sleep mode.
4. Press ⓐ(heating ON/ OFF)button toturn heating OFF.
Liquid crystal display when [floor heating]
is used
Range of temperature setting for floor
heating is between 50°C and 80°C.
Heating has been turned off.
Gas rates can be saved as energy efficiency of the boiler is highest in this
mode. ECO icon appears when the boiler uses environment-friendly
combustion with least amount of harmful gases.

12
To use rapid heating
 When indoor temperature is extremely low, it can be quickly heated by rapid heating function.
 Rapid heating function can be operated at maximum setting temperature for 25 minutes
before automatically returning to the previous temperature setting.
Liquid crystal display when rapid heating is
used with [floor heating]
Temperature is automatically changed to 80°C,
the highest temperature possible.
Temperature is automatically changed to 40°C,
the highest temperature possible.
Liquid crystal display when rapid heating is
used with [indoor temperature heating]
ⓐ
ⓑ
1. Press ⓐ(heating ON / OFF) button.
Heating is ON.
2. Press ⓑ(increase heating
temperature and decrease heating
temperature) buttons at the same
time.
• Heating is set to highest temperature
possible.
• To stop rapid heating function, change
setting temperature during operation
or pre
ss ⓑ (increase heating
temperature and decrease heating
temperature) buttons at the same time.
Quick heating mode is starting.
(When rapid heating is turned on)
Quick heating mode is over.
(When rapid heating is turned off)

13
To use hot water
2. Press ⓑ(increase hot water
temperature or decrease hot water
temperature) buttons to configure
hot water temperature.
ⓐ
ⓑ
1. Press ⓐ(hot water ON / OFF)
button.
Hot water is available.
Hot water temperature has
changed.
Be careful as hot water temperature is high.
 Hot water temperature can be set between 35°C and 60°C. When
changing from 55°C to 60°C, turn water off and press increase hot water
temperature button.
Warning

14
3.When hot water faucet is turned ON,
water drop icon flickers together
with flame icon.
4. Press ⓐ(hot water ON / OFF) to turn the function OFF.
To use hot water
To use hot water at accurate temperature, completely turn the faucet to the hot
water side.
The boiler is not operated when hot water is not used, even if hot water function is
turned ON. It remains in hot water standby mode and does not consume gas.
When heating power button is pressed while using hot water function, both functions
can be used at the same time.
Heating cannot be done with only hot water turned ON.
Hot water and heating functions can be used at the same time by
pressing heating ON / OFF button while using hot water function.
Hot water function has always the priority over heating function.
Caution
Hot water is disabled.

15
You can use hot water more quickly with hot water preheating function.
Hot water preheating is automatically turned OFF after 30 minutes.
2. Press ⓑ(increase hot water
te mperature and decrease hot water
te
mperature) buttons at the same
time.
• Red color appears on the hot water
display and preheating is turned ON.
• To stop hot water preheating function,
open the hot water faucet or pressⓑ
(increase hot water temperature and
decrease hot water temperature)
buttons at the same time.
To use hot water preheating
ⓐ
ⓑ
1. Press ⓐ(hot water ON / OFF) button.
Hot water is available.
Preheating hot water is
starting. (When hot water
preheating is turned on)
Preheating hot water is
over. (When hot water
preheating is turned off)

16
To use modes
1. Press ⓐ(mode / setting) button and
select the mode you want.
• Mode is changed as follows whenever
ⓐ(mode / setting) button is pressed.
ⓐ
Automatic heating is starting.
Save mode is starting.
This is a function that optimizes user convenience by judging external temperature
and automatically supplying pleasant heating and hot water. Sensible temperature
felt by the user may differ according to the environment of use.
This function adjusts combustion/extinguishing time and limits heating temperature
to save energy. (In save mode, maximum temperature setting is limited to 20°C for
indoor temperature heating and 60°C for floor heating.)
Liquid crystal display when [indoor temperature
heating] is done in auto mode
Liquid crystal display when
[Save mode] is used
Sleep
mode
Save
mode
Auto
mode
Sleep
mode
Save
mode
Auto
mode
OFF
OFF

Liquid crystal display when
[sleep mode] is used
Auto
mode
Save
mode
Sleep
mode
OFF
This is convenient function that automatically adjusts indoor temperature
for 6 hours after sleep mode is set to provide sound sleep.
Sens
ible temperature felt by the user may differ according to the environment
of use.
Sleep mode is starting.
17
To use modes

18
To use outing
ⓐ
For short periods of absence, this mode allows to reduce fuel consumption
and keeps the heating system warm and ready for the following activation.
• When the Outing mode is activated
heating is stopped for 4 hours and
CH set temperature cannot
be modified. The boiler enters a 4h
loop as long as the function is
enabled. After 4 hours the boiler
ignites and operates for 10 min at a
flow temperature of 50°C only if the
heating system temperature is
below 25°C. again during
Liquid crystal display when [Indoor temperature
heating] is used with outing
Liquid crystal display when [Floor heating]
is used with with outing
1. Press ⓐ(outing) button .
Outing mode is enabled.
Outing mode is over.
ⓑ

19
To use reservation timer
Set current time (refer to page 7)
•Heating program number is changed as
below whenever timer button is pressed.
ⓐ
ⓑ
OFF
Standard 1
• Choose the heating program and wait to finish timer setting.
• To cancel the timer, press timer button during operation.
• When the timer function is reused after a previous activation, it starts with the
last heating program that has been selected.
• Th
ere are three basic lifestyle patterns for timer numbers ~ , which cannot
be changed. If you would like to newly configure your own lifestyle pattern, ,
can be used.
1. Press ⓐ(heating ON / OFF) button.
Heating is ON.
2. P ress ⓑ(timer) button.
3. Use ⓑ(timer) button to set the
wanted heating program.
Heating program is starting.
Standard 2
Personal 2 Personal 1
Weekend

20
To use reservation timer
ⓓ
ⓑ
ⓐ
ⓒ
1. Press ⓐ(heating ON/OFF) button.
Heating is ON.
2. Press ⓑ(timer) button and choose program 4 or 5.
3. Press ⓒ(increase heating
temperature or decrease heating
temperature) buttons to move the
c ursor to the wanted time and press
ⓓ(settings) button to confirm.
To turn off the timer press .
ⓓ
4. Repeat the same method to set timer for the wanted time. Once timer
setting is completed, timer heating is automatically started after a few
seconds.
Please select heating time.
Heating program is starting.