Rieber BKW-KF 2x2/1 - User Manual

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OPERATION INSTRUCTION

Rieber Banquet trolleys cooled/frosted

Order no. 88230401 Model BKW – KF 2x2/1

Order no. 88230402 Model BKW – KF 1x2/1

Order no. 88230403 Model BKW – KF – 1 Super

Location:

Please take care for a surrounding which is neutral in respect to the temperature – no heating

source directly nearby, no direct insolation. Rooms with elevated temperature respectively with

elevated humidity can cause the production of condensation water.

Power Supply:

The banquet trolley can only be connected to 230 V/50 Hz. Alternating current by a shockproof

socket which has been installed in accordance with regulations.

Operation:

Press the green rocker switch. The banquet trolley is ready for use as soon as the switch lights up.

The banquet trolley has got an electronic thermo regulator with digital display of set point and

actual point.

Cooling range: -12°C to +8°C.

The data on the luminous indication are showing the temperature inside the banquet trolley.

Press SET Adjusted temperature is visible

Press SET and Adjusted temperature is getting cooler

Press SET and Adjusted temperature is getting warmer

Defrosting:

The banquet trolley has got an automatical defroster with evaporation of condensation water. But

in spite of this there is still the danger that the evaporator gets covered by ice caused by influences

of the surroundings. We therefore recommend to check it every 2 weeks in respect to icing.

In case of icing, switch off the cooling until the evaporater is ice-free.

Cleaning:

It is advisable to clean the liquefier in the compartment of the cooling machine approximately every

3 months. An ice-free evaporator and clean liquefier facilitates to save engery.

For that the screen at the machine compartment between the wheels has to be screwed off. Free

the tubular system from dust by a vacuum cleaner. Remove fatty residues with cloth respectively

brush.

Current-bearing parts may never get in touch with water.

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Overview

Function Description
Cooled/Frosted Banquet Trolley
Heated Banquet Trolley
Important Technical Specifications
General
Cooled/Frosted Models (e.g., BKW – KF 2x2/1)
Heated Models
Usage Features
Maintenance Features

The Rieber Banquet Trolley is a versatile piece of equipment designed for both cooling/frosting and heating applications in professional kitchens, gastronomy, and catering. It comes in various models, including BKW – KF 2x2/1, BKW – KF 1x2/1, and BKW – KF – 1 Super for cooled/frosted versions, and BKW 1x2/1 and BKW 2x2/1 for heated versions.

Function Description:

Cooled/Frosted Banquet Trolley:

This version is designed for transporting and keeping food items cool or frosted. It features an electronic thermo regulator with a digital display for both set point and actual temperature. The cooling range is from -12°C to +8°C. The trolley is equipped with an automatic defroster that evaporates condensation water.

Heated Banquet Trolley:

This version is used for transporting and keeping portioned and covered food plates warm on grilles or shelves/trays. It offers stepless temperature regulation and a rapid achievement of the selected temperature. The digital thermo regulator continuously displays the interior temperature, even after the unit is switched off. A key feature is the stepless regulation of humidity in the inside air through water evaporation, which helps prevent food from drying out. The trolley can be operated in two modes: dry heating (where any water in the well must be drained) and humid air heating (where demineralized water is added to the well).

Important Technical Specifications:

General:

Power Supply: 230 V/50-60 Hz (alternating current).
Protection Class: IPP 44 (protection against penetration by foreign bodies > 1 mm and splash-water from all directions).
Casters: 2 fixed casters, 2 swivel casters with stop function (brake).
Casing/Doors: Stainless steel, doors sealed and close automatically.
Spiral Cable: 2m length.
Impact Protection: All-round.

Cooled/Frosted Models (e.g., BKW – KF 2x2/1):

Cooling Range: -12°C to +8°C.
Defrosting: Automatic with condensation water evaporation.

Heated Models:

Models: BKW 1x2/1 GN (1 compartment) and BKW 2x2/1 GN (2 compartments, central panel).
Dimensions (Length x Width x Height):
- BKW 1x2/1 GN: 777×837×1712 mm
- BKW 2x2/1 GN: 1490×837×1712 mm
- (Total height including casters dia. 200 mm)
Floor Clearance: 235 mm for both models.
Space Needed to Open Doors Fully:
- BKW 1x2/1 GN: 1400 mm
- BKW 2x2/1 GN: 2700 mm
Weight:
- BKW 1x2/1 GN: Empty 120 Kg, Loading 120 Kg, Total 240 Kg.
- BKW 2x2/1 GN: Empty 200 Kg, Loading 300 Kg, Total 500 Kg.
Storage Capacity (Rail clearance 70 mm):
- BKW 1x2/1 GN: 1 compartment, 18 grilles/shelves/trays, 44 plates (Ø 260 mm, not stacked).
- BKW 2x2/1 GN: 2 compartments, 110 plates (Ø 260 mm, not stacked).
Storage Capacity (Rail clearance 115 mm):
- BKW 1x2/1 GN: 11 grilles/shelves/trays, 160 plates (Ø 260 mm, not stacked), 88 plates (Ø 310 mm, not stacked).
Storage Space per Grille: 530 x 650 mm (BKW 1x2/1 GN); 1279×650 mm (Over both compartments and middle panel for BKW 2x2/1 GN).
Output (Total Connected Load): BKW 1x2/1 GN: 2.0 KW; BKW 2x2/1 GN: 2.7 KW.
Heating Temperature: +30 to +100°C.
Time to Heat to 80°C (empty, doors closed): Approx. 30 min.
Heat Storage After Unit Turned Off (doors closed): Approx. 1.5 min.
Water for Humid Air: Approx. 1.5 litres of fully demineralised water.

Usage Features:

Location: Requires a neutral surrounding temperature, away from direct heat sources or insolation, to prevent condensation.
Operation:
- Press the green rocker switch to turn on.
- Digital display shows set point and actual temperature.
- SET button allows viewing and adjusting the target temperature. Arrow keys (Δ∇) are used to increase or decrease the temperature.
- For heated trolleys, humidity can be adjusted using a knob (1-3) located below the green rocker switch.
- Loading can occur during heating-up, though it will extend the heating time.
Moving the Trolley:
- Always close doors and remove the plug from the socket, placing it in the transport securing socket on the trolley.
- Remove all objects from the gallery (except those that cannot fall or slide).
- Use side handles for pulling/pushing, never the gallery edge.
- Be aware of the increased weight when loaded; use two people if necessary.
- Only park on flat surfaces and apply brakes.
Safety:
- Always ensure the trolley is disconnected from power before any maintenance or when moving.
- Wear protective gloves when handling hot interior fittings.
- Check temperature display (<40°C) before cleaning hot surfaces.
- Avoid touching hot surfaces during loading/unloading.
- Do not place on sloped surfaces.
- Do not clean with steam spray/high-pressure cleaner.

Maintenance Features:

Cleaning:
- Regular cleaning of the liquefier (cooling machine compartment) every 3 months is recommended for cooled trolleys. This involves unscrewing the screen between the wheels and cleaning the tubular system with a vacuum cleaner and brush/cloth.
- For heated trolleys, clean thoroughly before first use.
- After each use, clean the interior space, doors, door seal, and edges.
- For humid air heating, remove and clean the water well cover.
- For BKW 2x2/1 GN with 115 mm shelf clearance, register shelves and circulating air channels can be removed for cleaning.
- Only use approved cleaning agents (general purpose, neutral, alcohol, abrasive alkali, solvent, emulsion cleaners). Avoid abrasive ingredients like whitener, siliceous earth, magnesium, Vienna chalk, and polishing rouge.
- Current-bearing parts must never get in touch with water.
Defrosting (Cooled Trolley):
- Automatic defroster.
- Check for ice buildup every 2 weeks. If iced, switch off cooling until ice-free.
Door Seal Exchange:
- Requires switching off power and removing the plug.
- Loosen and remove the damaged seal, starting from the bottom.
- Coat the slit of the plastic profile with talcum powder or silicone before inserting the new seal.
- Insert the new seal with a rounded object, pressing it together as it expands. Stretch across corners and press in with a thumb.
- Cut off any excess seal.
Door Catch Setting:
- Requires switching off power and removing the plug.
- Adjust the door catch and check closure; repeat if necessary.
Regular Checks (Every 6 months):
- Casters.
- Electrical connection, heating, ventilator, and control system.
- Doors and door catches.
Faults: Troubleshooting guide provided for issues like cooling machine not running, brakes not applying, trolley not steering, doors not sealing, green control lamp not lighting up, temperature not displayed, temperature not setting, trolley not heating up, water leaking, and no humid air input. Contact after-sales service for issues not easily resolved.

Rieber BKW-KF 2x2/1 Specifications

General

Brand	Rieber
Model	BKW-KF 2x2/1
Category	Commercial Food Equipment
Language	English