HTW VAW -AT-O-100VAWE Manuel De L'utilisateur Et D'installation page 59

Installation overview
Note: Solar heat exchange coil is optional.
ATTENTION:
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The one-way safety valve must be installed. If not, it could cause damage to the unit, or even
hurt people. The set point of this safety valve is 0.7 MPa.For the installation place please refer
to the pipeline connection sketch.
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The discharge pipe connected to the one-way safety valve is to be installed in a
continuously downward direction and in a frost-free environment.
- The water may drip from the discharge pipe of the one-way safety valve and that this pipe must
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