Rinnai RR-55D User manual

Commercial rice cooker
RR-55D(EX)
Instruction manual
Please pay attention
to the gas pressure
of place to use with
the product

Features
Features
Piezo ignition
Automatic extinguishing function after cooking
and keeping war for the cooked rice.
Aluminum kettle which can cook speedly and take high
heat efficiency.
Good taste of cooked rice from high caloric burner
Gas valve adopted for supplying stable gas pressure
Simple and easy to control of design

Index
Features
Warning for the safety
Caution for the safety
1
3
6
Name of each part and function
How to use
9
10
Maintenance 13
Product specification 14
2

3
Caution for the safety
We describe cautions as several marks to be understood easily for avoiding negligent accident
caused by wrong use and convenient use. Please be well informed below contents and
meaning of marks, and read this instruction carefully.
Danger
Warning
Caution
Please pay attention to prevent from fatal accident or serious injury and fire.
Please pay attention to prevent from serious injury or property damage.
Each icon explains as blow
If it seems gas leakage.
Dangerous thing,
Warning, Caution
Must do
Must do
Must do Please use outside phone
Prohibited
Should be
grounded
Flammables
Flammables
Do not touch
Please do not touch electric switch or power plug including telephone to prevent explosion .
When it happens gas leakage even 1/1000 in the air, People can recognize bad smell like rotting egg.
1) Stop the gas valve.
2) Open windows and doors for ventilation.
3) Contact service agent right now. But must use a outside telephone line.

4
Warning
Please make sure that proper gas type
from sticker on the product body with
your place.
Please do not leave cooking place with
product working situation.
Keep away from flammables like
spray, match, paper, oil , etc.
Must do
Prohibited
Prohibited
Please check the Gas type
which Proper for use!
We strongly recommend to
connect gas hose with the
product stably.
Must not leave
Cooking place
with product
working.
Must do

5
Must do
Warning
Keep away
more
Than30cm
Prohibited
Do not
touch
Use this product only for cooking rice.
Do not use cooking kettle for other use.
It may happen discoloration or serious
damage or fire accident.
Be careful to touch the product during
cooking or right after cooking.
Please check combustion condition
through combustion checking window
on the product.
Please keep away from the product more
than 30cm when you ignite.

Caution for the safety
Must do
Must do
Caution
Flat place
better!
Lid
Kettle
Upper body
Combustion
checking
lamp
Prohibited
Prohibited
To prevent damage for the kettle.
Please do not load anything on the heat
sensor. Heat sensor can be damaged.
Pay attention toe the burner part. If the
water flow into the burner can cause bad
combustion.
You have to install the product on the flat
place or on the table.
6
Install this product on the flat ground.
It can be dangerous to use on the unstable
ground.
Please make sure that all parts of the
product assembled correctly or not.

Caution
Prohibited
Prohibited
Must do
Must do
Must do
Keep the burner part clean to use product
in safe and good.
Please follow the order for ignition.
If not, it may be a reason of broken.
Do not boil the water with aluminum
kettle.
Aluminum kettle can be discoloration easily
by boiling water .
Please do not change or remove any part
of the product.
It will be a reason of broken or functional
problem.
Caution when you ignite the product.
When you fail to ignite few times, Make
sure that you need to wait few seconds to
remove gas leak.
When it may be difficult to ignite in humid
air or it had long period of unused time,
Please try again of ignition process.
Ignition lever Cooking lever
Keeping warm lever
7

Must do
Caution
Prohibited
Prohibited
Prohibited
You can read gradation to cook more
conveniently.
Appropriate volume of rice for one time is
3.3kg (for 20 persons) to 8.3kg(for 55 persons)
If volume of rice is not appropriately inside
the kettle to cook, bottom of inside of kettle
could be burned, or rice will be half-
cooked.
Appropriate volume of rice to cook, and
gradation which are in page 12 is
recommendation, It would be different by
case that condition of rice and user's taste.
When you clean a kettle, don't use iron
loofah, but use loofah made with smooth
material. If you keep using iron loofah,
gradation on the kettle could be wormed
out.
Water which you use to clean could be
gray-colored, it is ok that you just rinse it
with clean water.
Don't put this product near by large
heater and the place wind blows.
When you install this product, don't put it
near by large heater and a place which
easy to ventilate. Product could be
damaged by heat from large heater, or
cooking will not be well-cooked.
This product is commercial appliance.
Don't use at home.
Don't install to place where wind blows. Bad
ignition, damage inside of kettle, wrong cooking
could be occurred by the wind. Also gas leak
could be happened.
8
Possible
To use
Smooth cloth
Acid detergent
Polysher Thinner, Benzene
Sponge
Neutral detergent
Cooking oil
Nylon or iron brush
Impossible
To use

9
Name of each part and function
Waterspout
Main burner
“Cooking” lever
“Keeping warm” lever
Ignition checking
Heat sensor
Thermal burner
Extinguishing safety device
Hose end
“Ignition” lever
Top of kettle
Aluminum kettle
Upper body
Combustion part

How to use
6
10
When you measure rice with scale, please measure exactly.
Appropriate cooking complete time could be different by kinds of rice, temp of water and volume
of water.
Warning
Maximum capacity for cooking for one time is for 55 persons.
Minimum capacity for cooking for one time is for 20 persons.
In cast of cooking multigrain rice, put rice a half from normal volume of rice, don't cook for
maximum capacity.
It is a better soaking other things except rice or other grains in water or wash it, put on the rice
Grains and don't mix with rice.
Must do
Must do
Please wash rice multiple times(3~4 times) before
clean water maintained even if you wash rice.
Rice flour, dust, other pollutant could on surface of
the rice, so you could tip out dirty water not to make
be smelled to rice right after the first washing.
Don't wash rice hard not to make rice crumbled.
Wash it slowly and softly.
Don't put rice in the water long time.
30 minute in summer, an hour in winter is appropriate.
If you soak rice in the water long time(over 10 hours),
Rice would be crumbled easily.
It would be a cause for wrong cooking
If rice which you put in the water is left over, remove
water, and keep it in refregiator.
You need to wash rice first before you soak rice in the
water. If you soak water first, it would be easily
crumbled.
In case of multi grain rice, you can soak it in the water
same period as white rice.
Volume of
rice
Capacity
(person) Gradation Complete time
(Steam boiling 10m included)
8.3kg 35m
31m
28m
25m
6.0kg
4.5kg
3.0kg No gradation inside
55
40
30
20
Rice measuring
You can read gradation on the kettle to cook rice
Conversion table

11
Must do
Please keep pot cleaned.
Please keep inside and outside of pot cleaned
If it got dirty, it could be a cause of bad
cooking.
Must do
Choosing rice and storing
Don't use rice distribution period long passed and
use unpacked rice first soon.
Long distribution period passed rice is dried up so
easy to get crumbled. Also you need to soak it in
the water longer then usual.
Please keep rice to place not humid and cool.
Must do
How to know appropriate volume of rice and water
Please check gradation inside the pot to adjust volume
of soaked rice and water.
ex) For cooking for 30 persons, put soaked rice
until "30" and water until "30"
Please adjust volume of water by kinds of rice
Gradation line for water inside the pot is recommendation,
please adjust for your taste.
Don't cook as maximum or minimum capacity.
Rice would be half cooked or inside bottom of pot could be burned
Must do
Continuous cooking
When you want to cook continuously, clean inside the
pot up and wait until sensing temp part cool down.
If leftover rice is remained inside, or sensing temp part is
not cool, it would be cause of bad cooking.
Please wait until sensing temp part is cool, and put
prepared rice and water inside pot and put pot on the
sensing temp part, Start cooking after 5 minutes.
If you put soaked dishcloth on the sensing temp part, it
would be cool more fast.
Sensing
temp part

12
Steam boiling rice.
After cooking rice, steam boiling will be started after "cooking" button up.
At this time, thermal burner also work for it.
15 minutes for steam boiling is appropriate. If it is not fully finishied, It will be a cause
of bad cooking.
(In cast of multigrain rice, more than 20minute needed for steam boiling)
Please mix rice with rice scoop before removing to other container.
It is very high temperature inside pot right after steam boiling, so please watch out not
to get burned, Please remove rice from edge of the pot first not to make rice sticked to
inside of pot.
To keep rice warm.
After steam boiling, mix rice with rice scoop first before keep rice warm. Otherwise rice
is not tasty because of water inside of pot
Rice will be kept warm during an hour by temp of pot.
If you need to keep rice warm more longer, please remove rice to other container and
keep warm.
If you keep rice warm with keep-warm button pressed, rice can be scorched a bit
bottom of pot near thermal burner. When you keep rice warn during short period
(around 30minutes), please turn up the keep-warm button to turn off not to make rice
scorched.
Must do
Must do
After using it.
After steam boiling, fire of thermal burner
is not automatically. extinguished, you
must turn up to turn off.
After using, you must turn off the gas
valve.
Must do
Keeping warm lever
Ignition lever

13
Maintenance
Maintenance
When you maintain this product, please turn
off the gas valve and wait until it is cool.
Please wear gloves.
Don't disassemble or convert it.
Must do
You need to check whether gas leak occur from gas valve or hose end with
soapy water frequently.
You need to check Cap of pot, pot, upper body, drip pan, combustion part are
correctly assembled frequently.
You must not put inflammable material such as paper, oil and plastic
You must check the gas hose is connected tightly.
In case of product which has extinguishing safety device attached(RR-55SV),
please have a care not to remove device when you remove foreign substance.
In case that pot, upper body or cap of pot is not cleaned well, use a neutral
detergent and remove water with dried cloth.
Don't clean burner body with water, please use soaked clothes. Clean
burner port with a stiff brush or awl.
Don't clean control part, grip of cap which is made by plastic with volatile
material.
When AL pot is discolored, you can boil it with the rind of apple or lemon
during 10 minutes to make it back to original color.
You must not to touch ignition part of burner.
If space for it is changed, it can't be ignited.
Also you will get electric shocked when you press
ignition button with touching ignition part. Please
be careful.
Do not
touch

14
roduct specification
commercial gas appliance
LPG : 9.77kW(0.70kg/h) LNG : 9.77kW(8,400 kcal/h)
9.5
W
526
D
481
Capacity
Model name RR-55D
H
434
20persons(3.3kg)~55persons(8.3kg)
Model
Dimension
Weight(kg)
Gas connection part
Gas consumption
481
39
434
133.5 300.5
205
526
480
375
481
Gas connection part

ver.130213