TC-Double (+)
The gas inputs are marked in red.
On glass heat exchangers the correct position of the seal is important when connecting the gas lines (see image). The seal con-
sists of a silicone ring with a PTFE sleeve. The PTFE side must face the glass thread.
Glass
PTFE
4.3 Electrical connections
The operator must install an external separator for the device which is clearly assigned to this device.
This separator
– must be located near the device,
– must be easy for the operator to reach,
– must comply with IEC 60947-1 and IEC 60947-3,
– must separate all live conductors and the status output, and
– must not be attached to the power feed.
WARNING
Hazardous electrical voltage
The device must be installed by trained staff only.
CAUTION
Wrong mains voltage
Wrong mains voltage may damage the device.
Regard the correct mains voltage as given on the type plate.
WARNING
High voltage
Damage to the device in case of insulation testing
Do not proceed insulation tests with high voltage
to the device as a whole!
Electric strength test
This device is equipped with extensive EMC protection. The necessary tests were carried out at the factory (test voltage 2.1 kV or
2.55 kV DC depending on approval).
If you wish to check the electric strength again yourself, you can do so on the entire unit. Only test the device with the specified
values using direct current voltage. Testing the electric strength with alternating current voltage will damage electronic com-
ponents. The recommended voltage in this case is 2.1 kV DC, 2 s. Disconnect all supply lines from the device before testing. Power
can be supplied via the mains connection.
11
Bühler Technologies GmbH
BE440021 ◦ 09/2021
Summary of Contents for TC-Double Plus
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