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Download page T21598-X, T18771-X: fuses.
T21598-X, T18771-X: fuses
purpose
Replacing the fuses (FU 1, 2, 3, 4, 5, 6)
qualification
Qualified personnel
Material
| Pos. | Designation | article | U = 400/460V | U = 220 V |
| 01 | transformer fuse 1,6 AT, 500 VAC, 6,3x32 (FU 4, FU 5) | T21598-162 | 2 | - |
| 01 | fuse for frequency converter 10 AT, 500 VAC, 6,3x32 (FU 1, FU 2, FU 3) | T21598-103 | 3 | - |
| 01 | unit board fuse 1,6 AT, 5x20 (FU 6) | T18771-162 | 1 | 1 |
| 01 | transformer fuse 2,5 AT, 500 VAC, 6x32 (FU 4, FU 5) | T21598-252 | - | 2 |
| 01 | fuse for frequency converter 16 AT, 400 VAC, 6x32 (FU 1, FU 2, FU 3) | T21598-163 | - | 3 |
Required material
- Torx screwdriver size 20
- integrated auxiliary tool with which fuses can be removed and inserted (Fig.) . The aid kit is located on the inside of the front of the device.
procedure
ATTENTION!
Working with the unit requires knowledge of the safety instructions and quick guide. That's why:
Read the safety instructions and quick guide carefully before starting any work. The basic requirement for safe work is compliance with all safety instructions and careful action by qualified qualified personnel to prevent accidents involving personal injury and property damage.
cooling / switch off
- On the basic screen, tap the function button (
).- The unit cools down until the temperature is lower than the cooling temperature. The unit then switches off.
- Switch off the main switch (QS 1), pull out the mains-connector.
Open front
- Open the front door and fold the front completely down by loosening the two Torx screws.
- Remove the protective cover in the electrical housing by removing the Torx screws.
Replace spare part
ATTENTION!
Replace a faulty fuse with a new fuse with the same technical specifications. An incorrect fuse may cause equipment damage or malfunction.
NOTE!
Spare fuses are located on the inside of the front of the device (Fig. → ①).
- Use the auxiliary tool to change the fuse on the power supply board (PSU-61) and/or the unit board (GIF-61).
Close front
- Install the protective cover around the electrical housing and secure with Torx screws.
- Fold up the front and secure 2x Torx screws.
Check function
- Connect the mains-connector and switch on the main switch (QS 1).
-
Switch on the unit using the I/O button (
), check the tightness and function of the unit.
NOTE!
If the fuse blows again, contact the HB-Therm country representative.
-
Switch off the unit using the I/O button ().
- The unit switches off and, if necessary, is cooled and depressurised.
- Switch off the main switch (QS 1).