BKI 1.06 Manuel utilisateur

Combi-Oven

MODELS 1.06, 1.10, 2.10

Service Manual

Warranty Information

Your new BKI Combi has a 12 month factory warranty covering oven cabinet and parts. However, heating

elements in oven chamber are guaranteed for 24 months.

The factory warranty does not include glass parts, including glass in oven door, glass cover, bulbs and

door gasket.

Moreover, the factory warranty will terminate upon:

• Errors that can be assigned to irregular installation e.g. electricity, water/drain, air exhaust,

according to BKI's current installation and service manual.

• Errors and interruptions of operation resulting from irregular operation according to the directions

in the user's manual.

Combi-Oven Table of Contents

Table of Contents

Table of Contents........................................................................................................................................1

Introduction .................................................................................................................................................2

Description................................................................................................................................................2

Safety Precautions....................................................................................................................................3

Installation ...................................................................................................................................................4

Unpacking the Oven.................................................................................................................................4

Positioning of oven ...................................................................................................................................5

Water Connection.....................................................................................................................................5

Exhaust.....................................................................................................................................................6

Electrical Connection................................................................................................................................6

Drain Connection......................................................................................................................................7

Adjusting Flaps .........................................................................................................................................8

Setting System Options for CVC Controller..............................................................................................9

Setting System Options for S Controller.................................................................................................10

Setting System Options for VS Controller ..............................................................................................15

Initial Checks and Adjustments...............................................................................................................17

Maintenance ..............................................................................................................................................18

Scheduled Maintenance.........................................................................................................................18

Troubleshooting......................................................................................................................................21

Replacement...........................................................................................................................................25

Replacement Parts....................................................................................................................................26

Assemblies..............................................................................................................................................26

Accessories.............................................................................................................................................53

Notes ..........................................................................................................................................................57

Combi-Oven Introduction

Introduction

We congratulate you on your new BKI Combi.

By the purchase of a BKI Combi, you now possess one of the market's leading oven products for

professional kitchens. All BKI Combis are currently subjected to intensive product development that

ensures that the products are always based on the latest technology as well as the most modern and

energy-saving techniques of preparation.

Moreover, the products from BKI are up-to-date with the latest development/technology as regards:

• ERGONOMICS AND SAFETY

• SIMPLE AND LOGICAL OPERATION

• EASY-TO-OPERATE DESIGN

• RELIABILITY AND SERVICE

To ensure our customers an optimum and reliable product, prior to dispatch, all BKI Combis have passed

through an extensive test programme in which all functions are subjected to a continuous and extreme

load.

Before use and to make the best use of the many facilities and advanced technique of the BKI Combi, it is

important that you are aware of working ranges and possibilities of application of the steamer. We thus

recommend you study the user's manual thoroughly before using the steamer. By this, you can - as a

user - make sure that you achieve optimum cooking results through appropriate and safe operation. By

going through the user's manual, you will save time

Description

Refer to illustration below for a description of the unit.

(A) Oven door

(B) Operating panel

(D) Rethermalize on High Speed only!

(E) Plug for core temperature probe

(F) Serial plate

(G) Risk of fire - space oven a

minimum of 2 inches from the rear

and side wall

(H) Drip tray

(I) Ball valve for hand shower

(J) Hot surface

(K) Exhaust

(L) Cover for electric parts

(M) Hand shower

(N) Core temperature probe

(O) Drain

(P) Risk of electric shock. Disconnect

power before servicing

(Q) Stand

(R) Adjustment legs

Combi-Oven

Safety Precautions

Always follow recommended safety precautions listed in this manual. Below is the safety alert symbol.

When you see this symbol on your equipment, be alert to the potential for personal injury or property

damage.

Safety Signs and Messages

The following Safety signs and messages are placed in this manual to provide instructions and identify

specific areas where potential hazards exist and special precautions should be taken. Know and

understand the meaning of these instructions, signs, and messages. Damage to the equipment, death or

serious injury to you or other persons may result if these messages are not followed.

This message indicates an imminently hazardous situation which, if not avoided,

will result in death or serious injury.

This message indicates a potentially hazardous situation, which, if not avoided,

could result in death or serious injury.

This message indicates a potentially hazardous situation, which, if not avoided,

may result in minor or moderate injury. It may also be used to alert against

unsafe practices.

This message is used when special information, instructions or identification are

required relating to procedures, equipment, tools, capacities and other special

data.

Specific Precautions

Risk Of Electric Shock Disconnect Power Before Servicing

For Continued Protection Against Risk Of Fire And Electric Shock, Replace With

Fuses Of Same Rating

Rethermalize on High Speed only!

Hot surface can cause severe burns. Do not touch.

Replace Oven Halogen Lamps with 12V, 20W maximum

Combi-Oven Installation

Installation

Unpacking the Oven

The oven is best handled while in its wrapping. Use a lifting trolley whenever possible. Introduce the lifting

trolley under the lower cross tube of the stand and place a couple of wooden blocks between the cross

tube and the lifting trolley.

To achieve the best possible balance, introduce the lifting trolley from the front of the oven or from the

motor side. Note that the oven can be lifted off the stand. Remove the original packaging from the oven.

Do not remove the foil that covers the surfaces until the oven has been installed, as the surfaces are

vulnerable to sharp objects such as tools, once the foil has been removed. Remove all protecting parts

that secure the racks in the oven compartment.

The packing must be destroyed in accordance with the rules and regulations

covering the disposal of rubbish in your country. Information on the packaging

material can be obtained from our technical department.

Combi-Oven Installation

Positioning of oven

To ensure that the oven functions correctly when installed, it should be placed upright and level

(horizontally). This is measured at the front edge and side edge of the roof, and adjustment is made by

means of the adjusting screws on the stand or on the legs of table models. The height of the oven can

also be adjusted to fit the trolley for rack.

The oven should be placed at least 2 inches from the rear wall and the distance between the sides of the

oven and the nearest wall or piece of furniture, etc. should be at least 4 inches. This is to ensure the

necessary flow of cooling air to the oven. Strong sources of heat such as frying pans, fryers, etc. should

not be placed near the oven, especially not on its right side; otherwise the warranty may cease to apply.

Water Connection

As standard, the BKI Combi has one water connection. To facilitate cleaning and service, the oven should

be connected with an approved flexible 1/2"hose and the permanent installations should be fitted with a

stop-tap for the water supply to the oven.

Before connecting the oven to water, flush the water tubes thoroughly. Then fit the dirt filter and connect

the oven.

Water Requirements

Hardness: max. 3 dH

Conductivity: min. 75 microsiemens

Water pressure min. 1.5 bar (150 kP), max.6.0 bar (600 kP).

Water pressure Combi Clean: min. 2.5 bar dynamic pressure (CombiClean activated)

Water temperature: max. 20°C

Chloride concentration: max. 100 mg/litre

If the feeder is connected to the water distribution system with a flexible hose, this hose should be VA

approved.

A reversed osmosis plant must not be connected to ovens with a steam

generator as this may cause problems with respect to the registration of the

water level in the steam generator.

Combi-Oven Installation

An authorized plumber in accordance with existing rules and regulations MUST

carry out the water connection.

Clogged up water filters and dirt in solenoid valves are not covered by the

warranty.

Alternatively, the oven can be supplied with two water connections (optional equipment):

1. for raw water for condensation nozzle (cold water)

2. for nozzle in oven cabinet and steam generator. Must meet the requirements made on water for

drain connection, however, the water temperature must not exceed 140°F.

Exhaust

The BKI Combis are equipped with an open/direct exhaust system that removes surplus humidity from

the oven compartment. The exhaust system has electrically or manually operated air exhaust.

The vent pipe can be connected to a ventilating system. In this case, a special extraction funnel is fitted to

avoid suction directly from the oven compartment. This extraction funnel can be ordered from BKI.

If an extraction hood is installed in the ceiling above the oven, it should project 50 cm over the front of the

oven. The suction effect should be 400 - 800m3/h.

The ventilation motor can be controlled directly from the oven. This means that the ventilation starts when

a program is started and runs for 5 minutes after the program is finished.

Electrical Connection

An authorized electrician in accordance with existing rules and regulations must carry out the electrical

connection.

There is a wiring diagram in the motor room.

Locate an approved plug outlet or a contact breaker close to the oven so that the oven can be

disconnected during repair and installation. The breaker must be able to cut off all poles with a length of

break of at least 3 mm. To facilitate cleaning and service, use an approved flexible connection cable, type

H05RN-F.

The oven may leak 1 mA current per kW.

After connection, check that the fan rotates in the right direction, i.e. COUNTER-

CLOCKWISE.

If the fan rotates in the wrong direction, the oven does not operate correctly, which may cause damage to

the oven.

Combi-Oven Installation

The warranty does not cover incorrect connection.

Knock out openings for supply connection

Open type Thread Size Amps Cable Size /

opening

2.10 - 2.14 1 1/2 70 2 AWG 50.0 mm

1.16 1 1/4 56 4 AWG 43.7 mm

1.10 1 42 6 AWG 34.5 mm

1.06 3/4 22 10 AWG 27.8 mm

Drain Connection

As standard, The BKI Combi is equipped with a drain system that removes surplus water from the oven

compartment. Water may occur when steam is used in the oven and when the oven is cleaned.

An authorized plumber must carry out connection. The oven must be connected

to an open drain and the connection must end at least 20 mm above the outlet

grating or funnel.

The drain must never end directly under the oven. The drain tube must be of stainless steel, have a

diameter of at least 38 mm and a fall of at least 3° or 5%.

Never connect directly to a water trap so as to avoid obnoxious smells, bacteria

and possibly low pressure, suction or overflow.

Combi-Oven Installation

Adjusting Flaps

The flaps can be adjusted individually to achieve a uniform baking result. Experience shows that the

following basic setting produces the best result in the vast majority of cases Air gap setting in mm:

Type 1.06 and 1.10

Type 2.10

For types 2.10 we recommend that a 10 mm rail be fitted at the top (part no. O 11.588).

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