For maximum scald protection, only can dictate the system’s water temperature at any given time. This is governed by the Priority (優先) System :
Secure the duct to the unit's exhaust fan outlet adapter using a worm-drive hose clamp or heavy-duty duct tape. Step 3: Electrical Wiring
Critically, they tell you to , then torque after squaring the gantry. That’s pro-level advice often missing from cheap CNC manuals.
Attach the flexible 100mm aluminum ducting to the external wall vent cap or soffit outlet.