상황
A boiler room serving zoned hydronic heating and an indirect domestic water heater requires a P&ID showing the boiler loop, zone supply, and temperature control.
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01
Primary loop with boiler circulator and isolation valve to indirect tank
02
Three-way mixing valve controlled by supply temperature transmitter/controller
03
Zone circulator delivers supply to terminal units with return to boiler
Use for condensing boiler installations with indirect DHW tanks and multiple heating zones.