Initial operation
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7.2.2 Connect an external system with barbed fittings
This section describes how to connect an external, closed system to the device
using barbed fittings.
Open-end wrench, 17 mm
Open-end wrench, 19 mm
The circulator is equipped with the optional assembly frame or pump set.
Barbed fittings are available for installation of the external system.
1. Disassemble the union nuts on the pump connectors.
2. Remove the sealing plugs.
3. Push one barbed fitting through each of the union nuts.
4. Mount the barbed fittings with the union nuts on the pump connections.
5. Carefully tighten the union nuts with a maximum of 3 Nm torque.
6. Attach the hoses of the external system on the barbed fittings.
Pay attention to the supply and runback position.
7. Secure the hose against slippage using tube clamps.
8. Set the flow direction adjustment lever to external circulation.
The external system is connected.
If the external system is disassembled, the pump connections must be
resealed with the sealing plugs so that no bath fluid can splash out during
operation.