Gaz Industrie BTwin BTH25 Manuel utilisateur

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User questions

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Michael C.

How to locate and access the pressure switch of the BTH25 device?

The pressure switch of the BTH25 device is located under the upper cover, fixed on its support. To access or replace it, open the upper cover, disconnect the micro-switch wires, and unclip the pressure switch from its support. It is an air pressure switch, connected to the depression port of the burner box (green hose) and the pressure port on the air inlet. Before any work, it is imperative to isolate the device from gas and electricity.

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Michael C.

Is it possible to check gas pressure via the pressure switch of the BTH25 device?

No, it is not possible to check gas pressure via the pressure switch of the BTH25 device, as it is an air pressure switch. It is used to control depression and is connected to the burner box and the air inlet. Gas pressures (nominal supply and at the injector) are indicated in the technical specifications.

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Michael C.

Where is the pressure switch located and how is it accessed or replaced?

The pressure switch of the BTH25 device is located under the upper cover, fixed on its support. To access or replace it, first open the upper cover, then disconnect and mark the wires of the micro-switch, and finally unclip the pressure switch from its support. The air pressure switch is connected to the depression port of the burner box (green pipe) and the pressure port on the air inlet. Always isolate the appliance from gas and electricity before maintenance.

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Michael C.

Can the gas pressure be checked using the device's pressure switch?

The device's pressure switch is an air pressure switch, not a gas pressure switch, and is used for depression control. Therefore, gas pressure cannot be checked at this pressure switch. Specifications indicate nominal supply and injector pressures for gas (e.g., for G20 gas, 20 mbar nominal supply and 8.5 mbar at the injector).

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Michael C.

How to locate and access the pressure switch on a BTH25 device?

The pressure switch is located under the top cover of the device, fixed on its support. To access it, open the top cover, disconnect the micro-switch wires (noting their positions), and unclip the pressure switch from its support. It is connected to the burner box vacuum port via a green tube and to the pressure port on the air inlet.

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Michael C.

How is the pressostat on the BTH25 located and what is its function?

The pressostat is located under the top cover, fixed on its support. It operates as an air pressostat to control depression and is connected to the burner box and the air inlet.

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Michael C.

Where is the pressure switch located on the BTH25 and how is it accessed?

The pressure switch is located under the top cover, fixed on its support. To access it, open the top cover, disconnect the micro-switch wires, and unclip the switch from its support. Ensure the gas and electricity supplies are isolated before performing any work.

C K

Michael C.

Where is the pressure switch located on the BTH25 device and how is it accessed?

The pressure switch of the BTH25 device is located under the upper cover, fixed on its support. To access it, open the upper cover, disconnect the wires of the micro-switch, and unclip it from its support. It is an air pressure switch, connected to the depression port (green pipe) of the burner box and the pressure port on the air inlet.

C K

Michael C.

Can gas pressure be checked at the pressure switch on a BTH25 device?

No, the BTH25 device uses an air pressure switch, not a gas pressure switch, for controlling depression. Gas pressure specifications for the device (e.g., nominal 20 mbar for G20, 8.5 mbar at injector) are detailed in paragraph 2 of the technical specifications.

C K

Michael C.

Where is the pressure switch located and how to access it?

The pressure switch for the BTH25 device is located under the upper cover, fixed on its support. To access or replace it: open the upper cover, disconnect and mark the micro-contact wires, and unclip the pressure switch from its support. It is an air pressure switch, connected to the burner box's vacuum port (green hose) and the air inlet's pressure port.

C K

Michael C.

How is gas pressure checked at the pressure switch?

There are no specific instructions to check gas pressure at the pressure switch, as it is an air pressure switch (for depression control, connected to the burner box and air inlet). However, if gas pressure needs to be checked, technical specifications (paragraph 2) indicate nominal supply pressures and injector pressures based on gas type (e.g., for G20 gas, nominal supply pressure is 20 mbar, and injector pressure is 8.5 mbar).

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