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1
SAFETY INSTRUCTIONS
1.1
Pictograms in this manual
Caution
Indicates risk of damage to the
appliance.
Warning
Indicates a dangerous situation that
may lead to death or serious injuries.
Warning
Always switch off power when
performing maintenance or repairs on
the convector heater!
Hot
Some surfaces may be hot! Wait until
these parts have sufficiently cooled
down before performing
maintenance.
Suggestions and tips to facilitate the
specified tasks or actions.
1.2
Pictograms on the heater
A
Identification plate
1.3
Use this product for its intended
use
The heaters described in this manual have
been designed for heating building sites and
huts. You can also use the heater to speed
up drying processes.
12
40.020.939 - rev. 04 - 2011
40.020.939 - rev. 07 - 2022
12
1.4
General instructions
Warning
•
Read this manual carefully
before using the heater.
•
Keep this document with the
heater.
•
Follow the described procedures.
•
Only connect the heater to a
socket that has been correctly
earthed that meets the standards
that apply in the relevant country.
Consult an expert if in any doubt.
•
Make sure that any extension
cable used has the required
weight for the heater.
•
Fully unwind a cable reel.
•
Do not cover the heater. Make
sure the air INLET and OUTLET
are not obstructed.
•
Do not insert any objects into the
heater.
•
Do not place any inflammable
objects in front of the heater and
make sure you keep sufficient
distance.
•
Do not use the heater in rooms
where there is an explosion risk
or in rooms where there are
aggressive gases such as
ammonia, glue or paint thinners.
•
Only perform repair and
maintenance activities when the
heater has sufficiently cooled
down and after removing the plug
from the socket.
•
Never clean the inside of the
heater using water but use
compressed air.
•
Make sure you immediately
disconnect the power supply
when there are visible faults or
defects and have the heater
repaired by an expert.
•
At all times take into account the
applicable safety regulations with
regard to the prevention of
danger and accidents.
VTB 3000/9000/15000
2
INTRODUCTION
2.1
Purpose
These electrical heaters have a radial fan
and are made for horizontal indoor
installation.
2.2
Working principle
The VTB heaters are
double-walled models. They consist of an
electroplated sheet steel inside frame and an
external enclosure. One or more heating
elements are installed in the inside frame. A
radial fan blows the air over the heating
elements.
The heater will switch off when overheated.
Overheating will occur when the air flow is
too low (hose that is too long) or when the
inside frame is dirty on the outside. Once it
has cooled down, the heater will switch on
automatically (automatic reset).
Make sure thereafter that there is better air
flow.
2.3
Main components (Fig. 3)
A
Operating panel
B
Heating elements
C
Fan
D
Air inlet slots
E
Air outlet
F
Relay
G Mains connection
2.4
Maximum thermostat
The heater has one or two inbuilt maximum
thermostats that switch off the heater when
the maximum permissible temperature of the
hot air is exceeded.
2.5
Control thermostat
The heater has a control thermostat that
switches off the heater when the set
maximum ambient temperature is reached.
V
T
B
3
0
0
0
9 /
VTB
VTB
2.6
The heater has a control thermostat (A) and 2
or 3 rocker switches (B) & (C) & (D) for
ventilation and heating. The VTB 3000 only
has 1 switch for heating purposes. VTB 9000
and VTB 15000/18000 have two.
A
Control thermostat
-
B
Ventilation switch
-
C
Heating switch
-
D
Second heating switch
-
2.7
/i
Type of
heater
VTB3000
VTB9000
VTB15000/
2.8
•
Hose for heat distribution to places that
are difficult to reach.
0
0
0
1 /
5
0
0
0
4
0
0 .
2
0
9 .
3
9
-
e r
. v
0
4
40.020.939 - rev. 07 - 2022
English
Control panel (Fig. 4)
2 - 38 °C
0 = Fan off
1 = Fan on
0 = Heating off
1 = Heating on
0 = Additional heating off
1 = Additional heating on
Table for heating power
Switch (on)
kW
C
3
C
4,5
C+D
9
C
6/9
18000
D
9/9
C+D
15/18
Optional accessories
-
2
0
1 1
1
3
13
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