HOUNO Visual Cooking C User manual

HOUNÖ
USER MANUAL English
B, C & K Visual Cooking & CombiSlim Models (Gas & Electric)
Software Version 1_3_4 09/2016
CAUTION: read these instructions before using the oven

2 STANDARD USER MANUAL
IMPORTANT SAFETY
INFORMATION
4
Maintenance and repair 5
Weight in kilograms (kg): 5
Maximum food load in kilograms (kg): 5
INTRODUCTION
6
USING THE STANDARD DISPLAY 8
COOKING MODES 10
Hot Air 10
CombiSmart® 11
Cook & Regen 12
Setting the Oven and Core Temperature 12
Proving 13
Steaming 14
Preheat 15
PROGRAMS 16
Making and using programs 16
Entering and changing text 16
Entering and changing data in steps 17
COMBIWASH®
18
TABLE OF CONTENTS

STANDARD USER MANUAL 3
ROLL-IN SYSTEM 19
OVEN MAINTENANCE 20
Cleaning the Oven Exterior 20
Cleaning Behind the Air Bale 20
Cleaning the Jet Heads 22
Cleaning the Air Filter 23
GUIDELINES 24
User guidelines 24
Core Temperature Guidelines for Meat (Beef, Veal, Pork,
and Lamb) 24
Core Temperature Guidelines for Fish 25
Core Temperature Guidelines for Delta-T 25
TROUBLESHOOTING 26
SERVICE AND REPAIR 30

IMPORTANT SAFETY INFORMATION
4 STANDARD USER MANUAL
IMPORTANT SAFETY
INFORMATION
When the oven is correctly installed, read this manual carefully before the using the oven.
Keep this Manual available to all persons using the oven.
Always place trays filled with hot liquid in the bottom runners of the oven chamber to avoid
spilling the hot liquid on yourself when you take the tray out of the oven chamber.
Some areas on the outside of the oven may get as hot as 60°C or more, therefore, you
should only touch the front of the oven.
Do not open the oven during the automatic cleaning process.
Never spray cold water into an oven thats above 100°C
Do not store flammable materials around (or under) the unit.
When using the roll-in or trolley system, be aware of hot racks sliding out of the oven. Use
the parking brakes on the wheels to prevent trolleys from rolling away on uneven floors.
Gas units only
If your oven is installed under an extraction hood (recommended), the extraction hood
should be switched on when the oven is running.
If your oven is connected to a chimney, the flue must be cleaned in compliance with local
standards and regulations. Make sure the oven exhausts are not covered or hindered in any
way.
Do not block the exhaust pipes or the area around the oven.
If you smell gas….
•Turn o the gas supply immediately.
•Do not use the control panel.
•Make sure there is ample ventilation near the oven.
•Avoid open fire and sparks.
•Call the gas supplier, using an external phone.

IMPORTANT SAFETY INFORMATION
STANDARD USER MANUAL 5
Maintenance and repair
Maintenance and repair must only be carried out by trained technicians.
Only use HOUNÖ PROTECT cleaning detergents, they are specially developed to clean and
protect your HOUNÖ combi oven.
HOUNÖ PROTECT products are recommended and are available from www.hounoshop.com
Note: Ensure the oven drain is clear and free running at all times.
Weight in kilograms (kg):
Electric ovens GAS ovens
1.06 1.10 1.16 1.20 2.06 2.10 2.20 1.06 1.10 1.16 1.20 2.06 2.10 2.20
Weight KG 150 190 240 270 190 230 370 155 195 N/A 275 190 235 375
Maximum food load in kilograms (kg):
Electric ovens GAS ovens
1.06 1.10 1.16 1.20 2.06 2.10 2.20 1.06 1.10 1.16 1.20 2.06 2.10 2.20
Weight KG 40 50 90 100 75 90 180 40 50 100 75 90 180

INTRODUCTION
6 STANDARD USER MANUAL
INTRODUCTION
Dear customer,
Thank you for choosing a HOUNÖ combi oven.
This manual contains the information you need to use and maintain your oven. We
recommend that you read the manual and familiarize yourself with the functions and
features of the oven. This will ensure optimal cooking results and safety. Please make the
manual available to all users of the product and retain it for future reference. The latest
version of the manual can be downloaded from www.houno.com.
Note that this document is subject to change without notice.
BASIC OVEN OPERATION
To turn the oven on press
The door has a built in two step safety system.
To open the oven door:
Visual Cooking - first turn the handle clockwise, the door will open a little the turn the handle
clockwise again whilst gently pulling the door toward you.
Combislim - To open first turn the handle clockwise then anticlockwise whilst gently pulling
the door toward you.
On 1.16, 1.20 & 2.20 models turn the handle 90° anticlockwise and pull toward you.
Note: This document is subject to
change without notice.

INTRODUCTION
STANDARD USER MANUAL 7
C & K Model Ovens
The Visual Cooking C & K model ovens have
5 dierent cooking modes.
•Hot Air
•CombiSmart®
•Cook & Regen
•Proving
•Steaming
B Model Ovens
The Visual Cooking B oven has 4 dierent
cooking modes.
•Hot Air
•CombiSmart®
•Cook & Regen
•Proving
Two of the buttons are dierent on B model ovens
C & K model B model
C & K model B model
CombiSlim
The CombiSlim oven has 5 dierent cooking modes.
•Hot Air
•CombiSmart®
•Cook & Regen
•Proving
•Steaming

USING THE STANDARD DISPLAY
8 STANDARD USER MANUAL
USING THE STANDARD
DISPLAY
The Standard display provides a friendly and easy way for you to operate and interact with
the oven.
Basic Operations
Start/Stop button
The start/stop button will start and stop any cooking operations on the oven.
Setting the Temperature
Press the temperature button once, the digits will start flashing, use the wheel
to select desired cooking temperature. Press the temperature button once
more to confirm.
Setting the Time
Press the clock button once, the digits will start flashing. Use the wheel to
select the desired cooking time. Press the clock button once more to confirm.
For continous cooking turn the time down until --:-- shows in the display.
Setting the Core Probe Temperature
Press the probe button once, the digits will start flashing, use the wheel to
adjust the temperature. It operates between 30°C - 150°C. Press the probe
button once more to confirm. When the core probe is active the Timer will
read --:-- Deactivate the core probe by holding for 2 seconds.
The core probe is available as an optional extra with C + K Visual cooking
ovens (Not available with B ovens) CombiSlim models have a core probe as
standard.
B oven humidification. This button is only present on B oven displays.
Press and hold the humidity button during cooking to add humidity to the
cabinet.
Press the humidity button once to set time based humidity before starting a
cooking process.

USING THE STANDARD DISPLAY
STANDARD USER MANUAL 9
Setting the Exhaust
(Only available in Hot Air)
Press the exhaust button once. The green light will be on notifying you that
the exhaust is now open.
Press the exhaust button once again. The light will be o notifying you that
the exhaust is now closed.
Setting the Fan Speed
Press the fan button once. The green light will start to flash notifying you can
change the fan speed using the wheel.
The fan has 9 speeds from 20% to 100%
You can adjust the fan speed before you start a new process or during the
process.
For delicate cooking of products such as pu pastry, cakes and smaller
products we recommend using a fan speed between 20-50%.
When the fan speed is low, add 1-2 minutes extra cooking time for each ½
hour.
Above 200°C only 50% to 100% fan speeds are available
Making and using cooking programs
For programs see page 16

COOKING MODES
10 STANDARD USER MANUAL
COOKING MODES
Hot Air
Setting the Hot Air Temperature and Manual Steam
1. On the standard display touch Hot Air a green light will show for confir-
mation.
2. To set the temperature and the timer (see page 8)
3. To set the fan speed (see page 9)
4. To inject humidity into the oven whilst running in Hot Air on C & K models press
as long as needed
To inject humidity into the oven whilst running in Hot Air on B models press
as long as needed. For time based humidity (see page 8)
5. To set the exhaust (see page 9)
6. To use the core probe (see page 8)
30-250°C (250°C - 300°C Preheating see page 15)
The hot air operating mode can be used for roasting, grilling, baking and gratinating. When
you are baking bread and pastry, roasting pieces of meat or want to achieve a grill eect, we
recommend that you set the exhaust to open.
If you wish to cook at temperatures below 80°C, the fan speed should be reduced to below
50%
You can only set the exhaust function manually when the oven is operating in hot-air mode.
In all other modes, the exhaust is set automatically.
Recommended Hot Air settings:
Product Exhaust Recommended temperature
Grilling Open 200-250°C
Cakes and Biscuits Closed 145-175°C
Baking Open 165-185°C

COOKING MODES
STANDARD USER MANUAL 11
CombiSmart®
The CombiSmart function allows you to set an oven temperature and select a humidity
level. CombiSmart is recommended for braised products and for poultry. When you use
CombiSmart, you minimize shrinkage and improve the appearance and flavour of the
products. You can choose between 10 dierent humidity levels.(10-100)
The preferred humidity level is reached after 1-5 minutes depending on the amount of
product in the oven. To ensure that the oven has reached the correct humidity level,
preheat the oven for 5 minutes at the preferred humidity level.
Setting CombiSmart Temperature and Humidity Level
1. On the standard display touch the combi button CombiSmart will show the
bottom green light for confirmation.
2. To set the temperature and the timer (see page 8)
3. To set the humidity , use the wheel to select desired humidity level. Press
again to confirm
4. To set the fan speed (see page 9)
5. To use the core probe (see page 8)
Recommended Humidity Settings:
Product Humidity level Recommended temperature
Roasting 30-40 170-190°C
Gravy production during
braising of meat
70-80 145-165°C
Poaching fish, poultry, and
crispy vegetables
90-100 70-120°C
Steaming potatoes, rice,
pasta, meat, and more.
100 100°C or steaming mode

COOKING MODES
12 STANDARD USER MANUAL
Cook & Regen
Cook & Regen allows you to gently regenerate previously prepared products. Use low fan
speed, during operation a carefully calculated amount of humidity is added. This process
helps maintain the appearance and flavour of the products.
Recommendations
•For faster regeneration, leave the product uncovered during the regeneration
process.
•To reach the perfect end temperature, use the core temperature probe.
•For regeneration of sous-vide products or similar, follow the supplier’s
recommendations for regeneration.
Setting the Oven and Core Temperature
1. On the standard display touch the combi button Cook & Regen will show the
middle green light for confirmation.
2. To set the temperature and the timer (see page 8)
3. To use the core probe (see page 8)
4. To set the fan speed (see page 9)
Recommended Cook & Regen settings:
Products Temperature Level Minutes
Rice, meat, and vegetables
on a plate
140°C 8-12 minutes
Whole roasts, stews, and
sauces
120-140°C 40-60 minutes
Pasta, rice, and similar 120°C 20-30 minutes

COOKING MODES
STANDARD USER MANUAL 13
Proving
PROVING is a function for raising bread by adding humidity at temperatures between 30
and 40°C. These are optimal conditions for the yeast to expand.
Use the proving function for products that need proving before being baked.
1. On the standard display touch the combi button Proving will show the top
green light for confirmation
2. To set the temperature and the timer (see page 8)
3. To set the fan speed (see page 9)
Recommended Proving Times and Oven Temperatures:
Products Temperature Level Minutes Fan Speed
Loaves of 400-800
grams
Low temperature -
32°C
45 minutes 30-50%
Rolls and baguettes of
60-200 grams
High temperature-
36°C
25 minutes 30-50%
Note: Prebaked products do not need proving, whereas pre-proved products require
defrosting and baking.

COOKING MODES
14 STANDARD USER MANUAL
Steaming
(K & C models)
If the oven has been used prior to starting the steaming process, cool down the oven
chamber to 20°C below the desired cooking temperature.
To achieve best results do not load products until oven has reached set temperature.
Note: in K models the temperature of the water in the steam generator is checked
automatically. If the water temperature is below 65°C, the tank is emptied and refilled
for sanitary reasons. The water is then heated.
Setting the Steaming Temperature and Timer
1. On the standard display touch a green light will show for confirmation.
2. To set the temperature and the timer (see page 8)
3. To use the core probe (see page 8)
4. To set the fan speed (see page 9)
Recommended Steaming settings:
Temperature
level
Recommended steaming
temperature
Products
Low temperature
steaming
65°C-90°C Fish and small vegetables. Steam
small vegetables at 80°C for 5-10
minutes to keep their colour and
crispness.
Traditional
steaming
98°C-100°C Meat, pasta, potatoes, rice and
root vegetables.
Forced steaming 120°C Vegetables that require further
processing and for faster
processing of hard root and
frozen vegetables, pasta and rice.
Exercise caution when you use
this function.
Note: Water treatment filters specifically designed for HOUNÖ ovens can be purchased
directly at www.hounoshop.com

COOKING MODES
STANDARD USER MANUAL 15
Preheat
(B models only)
The Preheat button is only available on B model ovens. The temperature can be set up to
300°C.
Preheat function will only last for 15 minutes before automatically reducing temperature to
250°C.
Note: Preheat is available on C & K Models by setting the Hot Air temperature above 250°C
PREHEAT will show on the screen instead of HOT AIR.
The time can be set to max. 15 minutes and continuous operation (--:--) will sound an
alarm when the set temperature is reached.
When a timer is set the preheating countdown does not start until the desired temperature
has been reached. This is to ensure a consistant temperature before the oven is loaded.
Recommended Preheat settings:
Products Load Temperature
Frozen products Full load 40°C - 50°C
Frozen products Half load 30°C - 40°C
Ambient products Full load 20°C - 30°C
Ambient products Half load 10°C - 20°C

PROGRAMS
16 STANDARD USER MANUAL
PROGRAMS
Standard ovens can store up to 50 programmes. Each programme has up to 10 process
steps. It is possible to write 10 characters and enter an alarm for each step.
Making and using programs
1. Press programmes and turn the wheel to select desired program number.
2. Start the programme by pressing Start/Stop button.
3. To leave a program turn the wheel anti clockwise beyond ”P O”.
4. To delete an entire programme, press core temperature and alarm
simultaneously for 2 seconds.
Entering and changing text
1. To enter or change text, press programmes for 3 seconds.
2. The first digit will flash. Change the flashing character with the wheel. You can
choose between all the letters of the alphabet and the digits 0 – 9.
3. The space sign is next to the letter A.
4. Move on to the next digit by pressing once.
5. Store text by pressing until “SAVED” appears in the display.
6. To leave text editing without storing, press The original text reappears.
7. To delete the entire text, press programmes and alarm simultaneously
for 2 seconds.
Note: when the oven display is left idle for 20 seconds, the oven returns to manual
operation.
IIIIIIIIIII-----

PROGRAMS
STANDARD USER MANUAL 17
Entering and changing data in steps
By pressing when a program is active, the step display will show 1. The data of the first
step can now be entered.
To move on to the next step press again.
Choose desired cooking function then set temperature, time, core temperature, exhaust,
humidity and fan speed as in manual operation.
Stop between steps: To sound an alarm between steps press a light will show for
confirmation. The oven will not proceed to the next step until the oven door is opened and
closed or the alarm is pressed
To store a change made to a step mode, press until ‘Saved’ appears.
Note: Be careful only to use the wheel when a value flashes. If you turn the wheel while you
are working in STEPS the computer switches to the next programme and all changes are
lost.
A step can be deleted by pressing step and alarm simultaneously for 2 seconds.
When a programme has started all parameters are adjustable. These changes will then only
be active in the current run. Note that the display shows the total time remaining after start
and that it will show the time remaining in the current step when you press

COMBIWASH®
18 STANDARD USER MANUAL
COMBIWASH®
We recommend that you clean the oven daily to maintain eciency and to ensure a high
level of sanitation. Located under the front panel is a spray hose you can use to clean the
oven after it has cooled down.
NOTE: Oven damage due to absence of a necessary HOUNÖ
PROTECT HydroShield water filter may render the warranty void.
NOTE: Oven damage due to lack of regular cleaning with HOUNÖ
PROTECT Detergent Intense and Rinse Aid may render the warranty
void.
Cleaning the Oven Chamber
1. Let the oven cool down to 100°C.
2. Check the level of detergent and rinse aid in the containers. The red tube is for
detergent and the blue tube is for rinse aid.
3. Press the programmes key and turn the wheel until ‘COMBIWASH’ appears in
the display.
Note: If your model does not have the Combiwash function ‘CLEANING’ will appear.
This ia a Manual washing function. Press Start/Stop button to continue and follow the
instructions on the display. Chemicals and Rinsing are done manually.
4. Press to select cleaning level:
•0 - Flush: Use for a very light clean
•1 - Light: Use this after steaming and roasting at low temperatures.
•2 - Medium: Use this after steaming and roasting at medium temperatures.
•3 - Heavy: Use this after roasting at temperatures higher than 180°C.
•4 - Intensive: Use this after roasting very greasy products.
5. Touch to start the cleaning cycle.
Note: If the cleaning cycle is interrupted before it has been completed, for example
because of a power outage, the oven automatically performs a safety flush to remove any
detergent remnants.
NOTE: The Combiwash function is specifically developed for HOUNÖ PROTECT chemicals.
Using other chemicals can cause damage to oven and void warranty.
Visit www.hounoshop.com to buy the HOUNÖ PROTECT cleaning agents.

ROLL-IN SYSTEM
STANDARD USER MANUAL 19
ROLL-IN SYSTEM
The Roll-in system comes as standard on all 1.16, 1.20 & 2.20 models. The trolley can be
removed completely from the oven cabinet and replaced at will. This allows the oven to be
preheated whilst the trolley is being loaded.
Removing and replacing Roll-in trolley
Open the oven door by turning the handle 90° anti clockwise. the door must be open
minimum 100° to remove the trolley from the oven.
Insert the removable trolley handle bar into the holes near the base. Release the locks on
the wheels and carefully pull the trolley out of the oven cabinet.
Place the Preheat bridge into position at the bottom of the oven cabinet before closing the
oven door. The preheat bridge creates a seal in the space the trolley has left open so no
energy is lost during preheat.
The removable handle for the trolley can also be used to remove the
preheat bridge after heating. The preheat bridge can be hung on
the side if the oven.
The trolley can be replaced in the same way as removed.
Note: The preheat bridge is an optional extra.
Note: The Roll-in system oven must be installed on a level flat floor.
To protect the gasket of the oven door please ensure that the
wheels are locked once the oven trolley is in place.

OVEN MAINTENANCE
20 STANDARD USER MANUAL
OVEN MAINTENANCE
Cleaning the Oven Exterior
1. Use a soft, damp cloth and a liquid detergent to clean the oven cabinet on the
outside.
2. Open the inner glass to clean under and around the door.
3. Treat the surface with HOUNÖ STEEL OIL to protect it. The steal oil is available from
www.hounoshop.com
Note: do not use a water hose or high-pressure cleaner to clean the oven exterior since it
may damage parts of the oven including electronic components.
Cleaning Behind the Air Bale
Visual Cooking models
You have to remove the air bale to be able to clean around the fan and the heating
elements.
• Loosen screws (A) and (B).
• Swing the air bale open and clean behind it. You can remove the air bale by lifting
it upwards until it is clear of the pin at the bottom and then tipping it.
A
B