Design And Principle Of Operation; Ambient Conditions; Getting Started - RoboLabs VTN Series Operating Manual

tm1641 Jan-20
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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