6 | Assembly
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M1980822_en | Installation instructions Wood chip boiler T4e 20-180
6.3.3 Control the return temperature control
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Remove both back panels
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Tighten all of the connections on the return temperature control using a pipe wrench
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Connections may have loosened during transport.
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IMPORTANT:
Before and after filling the system with heated water, check the seal
of the screw connections on the return temperature control
Return temperature control left
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Set the knob on the housing of the mixing drive to manual mode (A)
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Turn the mixing drive counter clockwise until it stops
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The mixer valve completely closes off the system return
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Turn the mixing drive clockwise until it stops
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The system return is completely open and the bypass line coming from above is
completely closed
