Hupfer OTA/47-36, OTA/58-33, OTA/53-37 S, OTA/53-37, OTA/U-BW Operating Instructions Manual
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Operating Instructions
Tray dispenser
OTA/47–36 | OTA/53–37 | OTA/58-33 | OTA/53–37 S | OTA/U-
BW | OTA-E/BA-4xGN | TAG-1/53-37 | TA-2/53-37 | EBS-T/53-37
4330041_A0
Chapter 1 Introduction
Page 2 Appliance Information
1 Introduction
1.1 Appliance Information
Appliance designation Tray dispenser
Appliance type/ -s OTA/47–36 | OTA/53–37 | OTA/58-33 | OTA/53–37 S |
OTA/U-BW | OTA-E/BA-4xGN | TAG-1/53-37 | TA-2/5337 | EBS-T/53-37
Manufacturer HUPFER® Metallwerke GmbH & Co. KG
Dieselstraße 20
48653 Coesfeld
PO 1463
48634 Coesfeld
+49 2541 805-0
+49 2541 805-111
www.hupfer.de
info@hupfer.de
Tray dispenser
OTA/47–36 | OTA/53–37 | OTA/58-33 | OTA/53–37 S | OTA/U-BW | OTA-E/BA-4xGN | TAG-1/53-37 | TA-2/53-37 | EBS-T/53-37
Read these operating instructions thoroughly to ensure safe operation and avoid any damages before the
first operation.
Ensure that sources of danger and possible faulty operations have been pointed out to the operating staff.
Subject to modifications
The products covered by these operating instructions have been developed taking into consideration the requirements of the market and the latest technology. HUPFER
®
reserves the right to modify the products and
appertaining technical documentation in so far as the modifications are in the name of technological progress. The data and weights as well as the description of performance and functions assured in the order
confirmation as binding are always decisive.
Manual edition
4330041_A0
Tray dispenser
OTA/47–36 | OTA/53–37 | OTA/58- 33 | OTA/53–37 S | OTA/U-BW | OTA-E/BA-4xGN | TAG- 1/5 3- 37 | TA-2/ 53 -3 7 | EBS-T /53- 37
4330041_A0
Introduction Chapter 1
Table of Contents Page 3
1.2 Table of Contents
1 Introduction 2
1.1 Appliance Information 2
1.2 Table of Contents 3
1.3 List of Abbreviations 5
1.4 Definitions of Terms 6
1.5 Orientation Guide 7
1.6 Notes on Use of Manual 8
1.6.1 Notes on the manual structure 8
1.6.2 Notes and their illustrations used in the chapters 8
2 Safety Instructions 9
2.1 Introduction 9
2.2 Warning Symbols Used 9
2.3 Safety Instructions for Appliance Safety 9
2.3.1 Special safety instructions for mobile tray dispensers 10
2.3.2 Special safety instructions for open tray dispensers 10
2.3.3 Special safety instructions for clo sed tray dispen ser s 10
2.4 Safety Instructions for Cleaning and Care 10
2.5 Safety Instructions for Troubleshooting 10
3 Description and Technical Data 11
3.1 Performance Description 11
3.2 Intended Use 11
3.3 Improper Use 11
3.4 Appliance Description 12
3.4.1 View of the appliance 12
3.4.2 Appliance Description 14
3.4.3 Optional special accessories 14
3.5 Technical Data 15
3.6 Rating Plate 18
4 Transport, Putting into Operation, Assembly and Decommissioning 19
4.1 Transport 19
4.2 Assembly (EBS-T/53-37 only) 19
4.3 Putting into Operation 20
4.4 Storage and Recycling 21
5 Operation 22
5.1 Adjustment of the closed tray dispensers 22
5.1.1 Adjust springs 22
5.2 Adjustment of the open tray dispensers 23
5.2.1 Adjust the model OTA/S 23
5.2.2 Adjustments OTA/U-BW 24
5.2.3 Adjust springs 26
Tray dispenser
4330041_A0 OTA/47–36 | OTA/53– 37 | OTA/5 8- 33 | OTA /53 –3 7 S | OTA/U-BW | OTA-E/BA-4xGN | TAG-1/53-37 | TA-2/ 53 -3 7 | EBS -T/53- 37
Chapter 1 Introduction
Page 4 Table of Contents
5.3 Calculating the capacity for trays 28
5.4 Operation 29
6 Fault Detection and Troubleshooting 30
6.1 Notes on Troubleshooting 30
6.2 Fault and Action Table 30
7 Cleaning and Care 31
7.1 Security Measures 31
7.2 Hygiene Measures 31
7.3 Cleaning and Care 31
7.4 Special Care Instructions 31
8 Spare Parts and Accessories 33
8.1 Introduction 33
8.2 Spare Parts and Accessories List 33
Tray dispenser
OTA/47–36 | OTA/53–37 | OTA/58- 33 | OTA/53–37 S | OTA/U-BW | OTA-E/BA-4xGN | TAG- 1/5 3- 37 | TA-2/ 53 -3 7 | EBS-T /53- 37
4330041_A0
Introduction Chapter 1
List of Abbreviations Page 5
1.3 List of Abbreviations
Abbreviation Definition
BGR Rule of the Professional Association
BGV Regulati on of t he Prof essi onal Assoc i ation
CE Communauté Européenee
European Community
DIN Deutsches Institut für Normung
German Institute for Standardisation, technical regulations and technical specifications
EC European Community
European Union
EN European Standard
Harmonised standard for the EU market
E/V Spare and wearing part
IP International Protection. The abbreviation IP and a furt her two-digit index specif y t he
LED Light Emitting Diode
RCE Residual current device (RCD) In the EU the English RCD (Residual Current Device)
protection class of a housing.
The first digit: Protection against ingress of solid foreign objects The second digit: Protection against ingress of
water
0 No protection against contact, no protec-
tion against ingress of solid foreign
objects
1 Protection against contact with any large
surface of the body such as the hand,
protection against ingress of foreign
objects >1.97'' (50 mm )
2 Protection against contact with the
fingers, protection against ingress of
foreign objects ҏ!PP
3 Protection against contact with tools,
thick wires or similar objects of ҏ!
(2.5 mm) protection against foreign
objects ҏ!PP
4 Protection against contact with tools,
thick wires or similar objec ts of ҏ!
(1 mm) protection against foreign objects
ҏ!PP
5 Protection against contact, protection
against dust deposits inside
6 Complete protection against contact,
protection against ingress of dust
7 Protection against ingress of water
8 Protection against pressurised water
0 No protection against ingress of water
1 Protection against vertically falling water
drops
2 Protection against dripping water (at any
angle up to 15° from the vertical)
3 Protection against water drips at any
angle up to 60° from the vertical
4 Protection against water splashing from
any direction
5 Protection against water jets (projected
by a nozzle) at any angle
6 Protection against rough sea or strong
water jets (flood protection)
during temporary imm ersi on
during continuous imm ersio n
Light diode
term is customary in standardisation matters.
Tray dispenser
4330041_A0 OTA/47–36 | OTA/53– 37 | OTA/5 8- 33 | OTA /53 –3 7 S | OTA/U-BW | OTA-E/BA-4xGN | TAG-1/53-37 | TA-2/ 53 -3 7 | EBS -T/53- 37
Chapter 1 Introduction
Page 6 Definitions of Terms
1.4 Definitions of Terms
Term Definition
Authorised specialist An authorised specialist is a specialist that has been trained by the manufacturer, an
Cook&Chill-Kitchens "Cook and Chill": Kitchens where warm food after being cooked is chilled as quickly as
Cook&Serve-Kitchens "Cook and Serve": Kitchens where warm food is served immediately after being
Element formation Also: contact corrosion. Occurs when different noble metals are in close cont act with
EN tray A European standard tray is a tray with a standard size.
Specialist A specialist is a person who can evaluate work assigned and can individually recog-
Gastronorm Gastronorm is a measurement system applied worldwide, for instance, in food proc-
GN tray A gastronorm tray is a tray with a standard size.
Lift A movement, for example a vertical movement of the stacking platform from bottom to
Control Compare with certain conditions and/or characteristics such as damages, leaks, filling
Convection Physical properties or mass transfer (e.g. heat or cold) through currents in gases and
Corrosion The chemical reaction of a metallic material with its surroundings, e.g. rust.
Machine safety The term of machine safety means all the measures used to avert injury to persons.
Passive layer A non-metallic protective layer on a metallic material that prevents or slows down
Check Compare with certain values such as weight, torque, content, temperature.
Qualified person,
qualified staff
Schuko® The abbreviation of the German term "Protective contact" that indicates a system of
Instructed persons An instructed person is a person who has been instructed on the possible risks result-
authorised service dealer or a company assigned by the manufacturer.
possible.
cooked or kept warm until it is consumed.
each other. This happens when a corrosive medium is between both metals, as for
example water or even air humidity.
EN 1/1 corresponds to 20.87×14.57’’ (530×370 mm), EN 1/2 corresponds to
14.57×10.43’’ (370×265 mm).
nise any possible dangers due to the professional training, specialist knowledge and
experience as well as knowledge of the respective guidelines.
essing plants or large-scale kitchens . The use of standardised sizes makes possible
to exchange food pans. The basic size of the gastronorm (GN) 1/1 is 12.8×20.87''
(325×530mm). Items are available in different depths.
GN 1/1 corresponds to 20.87×12.8’’ (530×325 mm), GN 1/2 corresponds to
12.8×10.43’’ (325×265 mm).
top.
levels, heat.
liquids.
The basis for this are national as well as EC-wide valid directives and laws for protecting users of technical devices and systems.
material corrosion.
Qualified personnel are persons who due to their professional training, experience and
instruction as well as their knowledge of the respective standards, guidelines, accident
prevention regulations and operating conditions have been authorised by a person
responsible for system safety to carry out required activities and can recognise and
prevent any possible danger (definition of specialists according to IEC 364).
domestic plugs and sockets equipped with protective earthed contacts used in most of
Europe.
ing from improper behaviour when carrying out the assigned task as well as on the
necessary protective equipment and protective measures and trained for this task if
necessary.
Tray dispenser
OTA/47–36 | OTA/53–37 | OTA/58- 33 | OTA/53–37 S | OTA/U-BW | OTA-E/BA-4xGN | TAG- 1/5 3- 37 | TA-2/ 53 -3 7 | EBS-T /53- 37
4330041_A0
Introduction Chapter 1
Orientation Guide Page 7
1.5 Orientation Guide
The front
The 'front' means the operating side.
Push bars are installed on the mobile tray dispensers to move the tray dispenser.
From the front of the cutlery and tray dispensers, the silverware attachments are available.
The side of the built-in appliance named as "the front" means the side, at which the staff operates the appliance.
The rear
The side named "the rear" means the opposite side of the front side (the front).
The right
The side named "the right" means the side at the right hand side of the front side (the front).
The left
The side named "the left" means the side at the left hand side of the front side (the front).
Tray dispenser
4330041_A0 OTA/47–36 | OTA/53– 37 | OTA/5 8- 33 | OTA /53 –3 7 S | OTA/U-BW | OTA-E/BA-4xGN | TAG-1/53-37 | TA-2/ 53 -3 7 | EBS -T/53- 37
Chapter 1 Introduction
Page 8 Notes on Use of Manual
1.6 Notes on Use of Man ua l
1.6.1 Notes on the manual structure
This manual is structured in functional and task orientated chapters.
1.6.2 Notes and their illustrations used in the chapters
DANGER Brief description of danger
There is an imminent danger to life and limb of the user and / or third parties
when the instructions are not followed precisely or the circumstances de-
WARNING Brief description of danger
scribed are not taken into account.
The type of danger is indicated by a symbol and explained in the accompany-
ing text in more detail. In this example the general sign of danger is used.
There is an indirect danger to life and limb of the user and / or third parties
when the instructions are not followed precisely or the circumstances described are not taken into account.
The type of danger is indicated by a symbol and explained in the accompanying text in more detail. In this example the general sign of danger is used.
ATTENTION Brief description of danger
There is a potential risk of injury or damage to property when the instructions
are not followed precisely or the circumstances described are not taken into
account.
The type of danger is indicated by a general sign and explained in the accompanying text in more detail. In this example the general sign of danger is used.
NOTE Brief description of additional information
Attention is pointed to special conditions or additional important information on
the respective subject.
INFO Short title
Contains additional information on work assisting features or recommendations on the respective subject.
Tray dispenser
OTA/47–36 | OTA/53–37 | OTA/58- 33 | OTA/53–37 S | OTA/U-BW | OTA-E/BA-4xGN | TAG- 1/5 3- 37 | TA-2/ 53 -3 7 | EBS-T /53- 37
4330041_A0
Safety Instructions Chapter 2
Introduction Page 9
2 Safety Instructions
2.1 Introduction
The chapter on safety instructions describes the risks associated with the appliance in terms of product liability (according to the EU Directives).
The safety instructions should warn of hazards and help to avoid damages to persons, the environment and
property. Please make sure that you have read and understood all the safety instructions given in this chapter.
You must comply with the respectively valid national and international Safety at Work Regulations. The
manager is responsible for the valid regulations he/she has to provide. He/she must acquaint himself/herself
and the operator with the new regulations.
In addition to these operating instructions, comply with the rules on health and safety at work issued by the
Main Association of the industrial Professional Associations, especially with those that concern the handling
of hot items and risks involved (BGR 110 "Protection of health and safety at work in restaurants" and BGR
111 "Protection of health and safety at work in large-scale kitchens").
2.2 Warning Symbols Used
Symbols are used in these operating instructions to point out the dangers that can occur while operating or
cleaning the appliance. In both cases, the symbol provides information on the type and circumstances of
danger.
The following symbols can be used:
General hazardous area
Risk of hand injuries
2.3 Safety Instructions for Appliance Safety
Safe operation of the appliance depends on appropriate and thorough use. Negligent handling of the appliance can lead to danger to life and limb of the user and / or third parties as well as hazards to the appliance
itself and the other operator's property.
The following points are to be observed to ensure the appliance safety:
The appliance may only be operated when it is in perfect condition with regards to technical stan-
dards.
All the operating and actuating elements must be in a perfect and functionally reliable condition with
regards to technical standards.
Modifications or retrofits of the equipment are only permitted in consultation with the manufacturer
and on receipt of his written agreement.
In no case may people sit or stand on the appliance. Transport of persons is not permitted.
Before loading, the tray dispensing height at closed tray dispensers needs to be adjusted to the trays
used.
Never push the stacking platform down manually (e.g. for cleaning). There is a risk of injury when re-
leased.
Tray dispenser
4330041_A0 OTA/47–36 | OTA/53– 37 | OTA/5 8- 33 | OTA /53 –3 7 S | OTA/U-BW | OTA-E/BA-4xGN | TAG-1/53-37 | TA-2/ 53 -3 7 | EBS -T/53- 37
Chapter 2 Safety Instructions
Page 10 Safety Instructions for Cleaning and Care
2.3.1 Special safety instructions for mobile tray dispensers
The appliance is provided exclusively for manual transport. Transport using any kind of devi ces is not
permitted. Risk of injury and damage.
Release both total brakes before commencing transporting. Moving the appliance with the total
brakes lo cked can damage the chassis.
Transport should only be undertaken over level floors. Moving the appliance over very uneven floors
can damage the chassis.
Transport over inclined planes or steps is not permitted.
When approaching walls and moving round obstacles always pay attention to persons in the way.
Risk of injury.
When transporting the appliance, always hold both handles with your hands. Never let go of the ap-
pliance while moving it.
When transporting the appliance, do not move it faster than a walking pace. Heavily laden tray dis-
pensers are difficult to brake and steer. If necessary, ask for assistance when transporting the appliance.
If the tray dispenser tips over due to outside influences or inattention, never catch it manually. Risk of
injury.
Do not stop the appliance on sloping floors.
After stopping, the appliance should be secured against rolling away by means of both total brakes
being applied.
In the case of off-site transport in a vehicle such as a lorry, the appliances should be secured prop-
erly. The total brakes are not sufficient as a transport securing method.
2.3.2 Special safety instructions for open tray dispensers
The stacking platforms of the models OTA/47-36 and OTA/53-37 are not adjustable. Only suitable
tray sizes may be transported.
It is necessary to ensure that the stacking area of the models OTA/53-37 S and OTA/U-BW is always
adjusted to the dimensions of the trays to be transported.
The trays always have to be laid up within the edge on the stacking platform.
No items may be placed on the base plate when transporting.
The paths of the outrigger may not be blocked.
2.3.3 Special safety instructions for closed tray dispensers
To avoid injuries to the hands, care should always be taken to ensure that the dispensing height does
not fall below the upper rim of the housing.
2.4 Safety Instructions for Cleaning and Care
The following points shall be observed when carrying out any cleaning and maintenance operations:
For reasons of hygiene the cleaning instructions shall be strictly observed.
Do not clean the appliance with steam-jet or high-pressure washers.
2.5 Safety Instructions for Troubleshooting
The following points shall be observed when carry ing out any maintenance and troubleshooting operations:
All troubleshooting work should only be carried out by authorised specialists.
Defective components should only be replaced with original parts.
The local applicable Accident Prevention Regulations must be observed.
Tray dispenser
OTA/47–36 | OTA/53–37 | OTA/58- 33 | OTA/53–37 S | OTA/U-BW | OTA-E/BA-4xGN | TAG- 1/5 3- 37 | TA-2/ 53 -3 7 | EBS-T /53- 37
4330041_A0
Description and Technical Data Chapter 3
Performance Description Page 11
3 Description and Technical Data
3.1 Performance Description
Tray dispensers are provided for the transport and storage of different trays in large-scale catering establishments and in the food service industry. If necessary, there are various models available:
Models of the type OTA are preferably used in areas of customer self-service counters, bistros and cafeterias. Furthermore, they can be used for the storage of trays on food distribution belts and in sculleries if there
is no automatic stacking.
Models of the type OTA/S are suitable for the stacking of trays at crockery return conveyors, also in connection with a stacking device. The trays are placed in the longitudinal direction and are held in place by the
sideways tray guide rails. The stacking area is adjustable in length and width to different tray dimensions.
Open basket dispensers of the type OTA/U-BW are suitable for the automatic stacking of trays in longitudinal
or transverse direction at dishwashers. The stacking area is adjustable in length and width to different tray
dimensions.
Models of the type OTA-E/BA-4xGN are also used in areas of customer self-service bars, bistros and cafeterias. They do not only provide trays but also cutlery in GN containers with sneeze guard.
Models of type TAG are closed tray dispensers for a stack of EN or GN trays. They are preferably used as a
tray dispenser in the guest area of cafeterias, canteens, rest houses and bistros used. In contrast to open
tray dispensers, the tray column is guided on all sides above the entire hei ght and can not b e overturn ed.
Due to the closed side walls, the tray dispenser can store trays of different colours and formats without disturbing the overall visual impression.
Models of the type TA are closed on the front side and are intended for two stacks of EN trays and GN trays.
Due to the high capacity, these models are ideal for the use on food distribution belts.
Besides the mobile tray dispensers, there is the model EBS-T intended for installation in worktops.
3.2 Intended Use
Tray dispensers are intended exclusively for transport and storage of trays ready for use.
Appliances of the type TAG have no compartment inner panelling. Therefore, universal trays, breakfast trays
and trapeze-shaped trays can not be inserted because of the smaller tray dimensions.
Appliances of the type TA are suitable only for EN and GN trays due to the half-open design. Other tray di-
mensions may not be used.
The intended use means the predetermined proc edures, compliance with the indicated spe cific ations and
use of the delivered or additionally available original accessories.
Any other use of the appliance is considered as unintended use.
3.3 Improper Use
It is not permitted to load the tray dispenser with other loads as given.
Tray dispensers are not intended to transport food.
In no case may people sit or stand on the appliance. Transport of persons is not permitte d.
No liability is assumed and no warranty claims can be submitted for damage s cau sed by improper use .
Tray dispenser
4330041_A0 OTA/47–36 | OTA/53– 37 | OTA/5 8- 33 | OTA /53 –3 7 S | OTA/U-BW | OTA-E/BA-4xGN | TAG-1/53-37 | TA-2/ 53 -3 7 | EBS -T/53- 37
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