Coolant expansion tank cpl. – code: 0006843 – Fischer Panda

Fischer Panda coolant expansion tank (Coolant expansion tank cpl.)

Coolant expansion tank cpl. (supplier code 0006843is the coolant expansion tank intended for Fischer Panda systems with radiator positioned under the generator. It is a component of the freshwater circuit of the generator, used as a point for managing the filling and ventilation of the circuit, as reported in the manufacturer's technical manuals.

In the nautical and onboard plant engineering field, a correctly positioned and connected expansion tank is a key element to keep the cooling circuit orderly and to simplify control and routine maintenance operations.

Features and details (from Fischer Panda manuals)

This spare part is identified as “Coolant expansion tank cpl.” and performs specific functions within the generator's cooling circuit.

Function in the freshwater circuit

• It is part of the freshwater circuit of the generator.
• It is indicated as cooling circuit filling point.
• Supports the automatic circuit ventilation (air management in the circuit).

Recommended positioning

According to Fischer Panda technical guidelines, the tank:

• must be installed at least 100 mm above the manifold and radiator;
• must be positioned higher than the generator, to avoid filling and bleeding problems.

These installation guidelines are particularly relevant in layouts where the radiator is located below the generator: the correct height of the tank helps to manage filling and air removal from the circuit more neatly.

Main connections

The tank has two main connections described by the manufacturer:

• Upper connection → ventilation line (air) ventilation (air).
• Lower connection → circuit filling (with connection via T).

Typical applications

This component is used in the cooling systems of Fischer Panda generators where the circuit management includes a radiator positioned below the generator. In such configurations, the expansion tank becomes a practical reference for:

• operations of filling the fresh water circuit;
• management of the ventilation (air) of the circuit;
• support for bleeding and inspection during maintenance.

In an onboard context, where accessibility and component arrangement may vary, following the positioning and connection instructions in the manuals helps keep the installation consistent with the manufacturer's design logic.

Operational advantages (in terms of installation and maintenance)

The adoption of an expansion tank compliant with the configuration provided by the manufacturer offers practical advantages related to circuit management:

• Dedicated filling point: allows centralizing the operation of filling the cooling circuit at the point indicated by the manual.
• Air management in the circuit: the dedicated upper connection for ventilation supports the logic of automatic ventilation provided by the system.
• Consistency with the plant layout: the “high” positioning relative to the generator, manifold, and radiator is an integral part of the correct filling and bleeding management.
• Replacement identified: the reference 0006843 helps keep spare parts aligned with Fischer Panda coding, useful during procurement and scheduled maintenance.

Usage and important notes

Mounting instructions (from technical documentation)

• Install the tank at least 100 mm above the manifold and radiator.
• Position it higher than the generator to avoid filling and bleeding issues.
• Connect the upper connection to the ventilation line (air).
• Connect the lower connection at circuit filling via T, as provided by the plant diagram.

Note on identification and supply

Product/spare part: Coolant expansion tank cpl.
Supplier code: 0006843
Supplier: Fischer Panda

For correct spare part selection, it is good practice to verify the code match and refer to the documentation of your generator (freshwater circuit diagram and configuration with radiator under the generator).

FAQ – Frequently Asked Questions

What is the purpose of the Fischer Panda “Coolant expansion tank cpl.”?

According to Fischer Panda technical manuals, it is part of the fresh water circuit of the generator and is the filling point of the cooling circuit; it also supports the automatic ventilation of the circuit (air management).

Where should the expansion tank be installed relative to the generator and radiator?

Fischer Panda documentation indicates that it must be positioned higher than the generator and installed at least 100 mm above the manifold and radiator, to avoid filling and bleeding problems.

What are the main connections of the expansion tank?

There are two main connections: the upper one is dedicated to the ventilation line (air), while the lower one is intended for filling the circuit (with connection via T).

Is this spare part suitable for systems with the radiator under the generator?

Yes, the component description identifies it as a coolant expansion tank for systems with the radiator under the generator, in accordance with the setting reported in the manuals.

What is the Fischer Panda spare part supplier code?

The supplier product code reported for this “Coolant expansion tank cpl.” is 0006843.