RoboLabs VTN Series User manual

OPERATING MANUAL
DISPLAY WARMERS VTN SERIES
(VTN-088, VTN-049, VTN-049H)
CAUTION: READ THE INSTRUCTIONS
BEFORE USING THE MACHINE!
PDF version of this manual is available on www.robolabs.pro

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Table of contents
Safety requirements...........................................................................................3
1. Overview........................................................................................................4
1.1. Purpose...................................................................................................4
1.2. Technical specifications ..........................................................................4
1.3. Delivery set .............................................................................................4
1.4. Power requirements................................................................................4
1.5. Design and principle of operation............................................................5
1.6. Ambient conditions..................................................................................5
1.7. Getting started.........................................................................................5
2. Intended use..................................................................................................6
2.1. Operation mode ......................................................................................6
3. Technical maintenance..................................................................................6
4. Transportation and storage............................................................................6
5. Acceptance certificate....................................................................................7
6. Warranty obligations......................................................................................8
7. Manufacturer details......................................................................................8
Annex A. Electric components list......................................................................9

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Safety requirements
DO NOT WASH WITH WATER!
READ AND UNDERSTAND THE MANUAL BEFORE START!
ONLY INSTRUCTED PERSONNEL ARE ALLOWED TO OPERATE THE EQUIPMENT!
USE THE APPLIANCE FOR INTENDED PURPOSE ONLY!
SOME PARTS ARE HOT WHILE IN OPERATION!
BURN HAZARD!
This appliance can be used by children aged from 8 years and above and
persons with reduced physical, sensory or mental capabilities or lack of
experience and knowledge if they have been given supervision or instruction
concerning use of the appliance in a safe way and understand the hazards
involved. Children shall not play with the appliance. Cleaning and user
maintenance shall not be made by children without supervision.

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1. Overview
1.1. Purpose
Nacho display warmers are intended to keep nacho chips at optimal
temperature and to provide good appearance to the product at sales point.
Warmer may fit up to 24 or 36 standard nacho trays with chips and cheese. It
has internal air convective adjustable heating, inner room illumination and light
boxes with NACHOS inscription on two opposite sides. Warmer is made of
powder coated stainless steel.
1.2. Technical specifications
VTN-088
VTN-049
VTN-049H
Voltage
230 Vac, 50Hz
230 Vac, 50Hz
230 Vac, 50Hz
Power
700 W
700 W
1150 W
Temperature range
+35…+50°С
+35…+50°С
+35…+50°С
Dimensions (LxWxH)
880x525x675 mm
490x490x675 mm
490x490x925mm
Weight
45 kg
30 kg
35kg
Allocated mechanical load per shelf
3 kg
3 kg
3 kg
1.3. Delivery set
Display warmer
1 pc
Shelf
3 pcs (VTN-049, VTN-088)
6 pcs (VTN-490H)
Documentation
1 set
1.4. Power requirements
CONNECTIONS MUST BE DONE ONLY BY QUALIFIED ELECTRICIAN!
ELECTRIC SOCKET MUST HAVE GROUNDING TERMINAL!
IF SUPPLY CORD DAMAGED, IT MUST BE REPLACED BY MANUFACTURER, SERVICE AGENT, OR
QUALIFIED PERSONS IN ORDER TO AVOID HAZARD!
It is necessary to periodically check electric connections, including grounding
connection. Whenever any fault conditions are found, do not turn the equipment

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and call for qualified electrician!
Equipotential bonding wire (up to 10 sq.mm) shall be connected to screw
terminal marked with IEC 5021 sign.
It is necessary to check electric wires and ground connection of the machine
periodically. In case of faults found, an electrician must be called. It is allowed to
turn the machine on only after all the issues are resolved.
1.5. Design and principle of operation
Each display warmer is a construction with transparent walls and additional
components that provide proper air heating and circulation.
Heating elements warm the air inside the unit. Fan blowers provide air
circulation inside the unit, thus heat is distributed in even manner across whole
volume of the display warmer. Lighting illuminates product in the unit. Model
VTN-490H additionally has heating cable in the bottom.
The control panel has following items: 1 –main switch; 2 –fuse holder; 3 –
power cord socket, see Fig.1:
Fig. 1 Controls
1.6. Ambient conditions
The equipment must be operated at the ambient temperature between +5° and
+40°C (+41°F to +104°F), relative humidity not more than 45% at 40°C/104°F).
Altitude above sea level should not exceed 1000 m.
1.7. Getting started
Unpack the unit carefully, check the delivery set. Remove protective film from
metal surfaces. Mount shelves provided.

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2. Intended use
2.1. Operation mode
Plug the warmer in the mains. Flip the main switch 1 to turn illumination,
heating, and blower. Load the product inside, not more than 3 kg on each shelf.
3. Technical maintenance
DISCONNECT ELECTRIC PLUG BEFORE CLEANING!
DO NOT WASH ELECTRIC PARTS OF THE MACHINE WITH WATER!
DO NOT USE SHARP TOOLS OR ABRASIVES FOR CLEANING!
WAIT UNTIL MACHINE IS COOLED DOWN BEFORE CLEANING!
The aim of technical maintenance is to keep the equipment in order during
whole lifetime; and also to fulfill safety requirements.
Use a slightly dampen, soft cloth to clean the surfaces, wipe dry immediately
after cleaning. The recommended maintenance schedule is below:
PROCEDURE
PERIOD1
Inner and outer surfaces cleaning
once a day
4. Transportation and storage
The equipment may be transported by any kind of covered vehicle, in
accordance with transportation rules for this kind of vehicle.
Ambient temperature during the transportation and storage must be between
minus 25°C to +55°C.
1
The period may vary. Cleaning must be done as necessary.

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5. Acceptance certificate
ACCEPTANCE CERTIFICATE
_____________
Product Name
_____________
Serial No.
The equipment is made with accordance to mandatory requirements of the state standards, actual technical
documentation, and approved for use.
QC Engineer
STAMP HERE
_________________
Signature
_________________
DD.MM.YYYY
_________________
Full Name

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6. Warranty obligations
The manufacturer guarantees trouble-free operation of the equipment during 12
months from the date of receiving the equipment by dealer (in accordance with
transport documentation); or, in case of purchase directly through Trapeza LLC,
from the purchase date, given that terms of using, transportation, and storage
are met.
The warranty repair is performed upon presentation of this manual and filled
warranty card with the seller’s seal and the date of sale.
Technical specifications of the equipment can be changed by manufacturer at
any time due to improvements and/or other reasons. Technical specifications
stated in this document are intended to act as a reference point, which is
necessary to evaluate suitability of the equipment for the customer’s needs, and
are not the subject of warranty policy.
The information stated in this document has been thoroughly checked and
considered as accurate one; nevertheless, the manufacturer is not responsible
for any typographical errors or misprints.
Due to constant improvement of the equipment, technical specifications
are subject to change without prior notice!
7. Manufacturer details
NPO Tvertorgmash LLC
11 Industrial Street, Tver, 170000 Russia
Technical support:
Email: [e-mail]
Phone: [phone]

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Annex A. Electric components list
SIGN
PART
SPECIFICATIONS
ARTICLE#
AT1
Thermostat TK24-00-1-110
110°C 10 A, 250 V
AT1
Thermostat TK24-00-1-57
570°C 10 A, 250 V
EK1
Heater 1GIK1Z159001 IRCA
600 W, 230 V
EK2
Heating cable Jen-Ter
6.56 Ohm/ft
EL1, EL2
Light Camelion WL-2001
8 W, 230 V
FU
Fuse S1041
10 A, 250 V
—
Fuse holder Ruichi ZH254
10 A, 250 V
M
Axial fan Jamicon JA1238H2B0N
20 W, 240 V, 2600 rpm
SA
Rocker switch B4 mask
16A, 250 V
TR
Temperature regulator Tecasa NT-122
30-90°C 16 A, 400 V