6
Operating Manual – Electric Heaters TEH 200 / TEH 300 / TEH 400 Version 3.0
EN
Switch-off
1. Press the red AUS-OFF button (15)
.
– The heating switches off.
– The fan operates in rundown mode, e.g. the fan runs on
until the heating elements have cooled down to approx.
30 °C.
– The BETRIEB-OPERATION lamp (16) goes out.
– The NACHLAUF-RUN ON lamp (18) is illuminated.
– The BEREIT-STAND BY lamp (17) is illuminated.
– Restart can be carried out at any time.
2. Wait until rundown operation is completed.
– The NACHLAUF-RUN ON lamp (18) goes out.
– The device is again ready for operation or else ready for
switch-off via the main emergency stop switch (9).
Shutdown
1. Proceed as described in section Switch-off.
2. Set the main emergency stop switch (9) to position "0".
Electrical control box
The following components are located in the control box:
Opening the electrical control box
The electrical control box may only be opened by instructed
persons. Only a qualified electrician is allowed to perform repair
work on the electrical system.
1. Open the cover flap at the electrical control box (12).
Overtemperature protection
For overheating protection the electric heater comes equipped
with several safety elements:
• Disconnection of the electric heating from the mains when
falling below the minimum air volume.
• Reduction of the maximum air outlet temperature at approx.
65 °C.
• Rundown operation of the fan after switch-off to dissipate the
accumulated heat at the electric heating until the air outlet
temperature has dropped to below approx. 30 °C.
• Switch-off of the device by means of a safety temperature
limiter.
– The safety temperature limiter (24) can only be set back by
actuating the integrated reset switch (20).
This switch is
located on the left side of the electrical control box.
No.
Designation
24
Safety temperature limiter with reset switch
25
Control
26
Analogous operating hours counter
27
Fuses
28
Pressure sensor
28
25
24
26
27
12
20
