14Installation

Aquastat and Wiring

See page 23 for assembly and mounting details. Pay close attention to the jumper positioning inside the A350 and S350 controls. Also note the sensor and its wire length when considering the mounting loca- tion. Remember that 212° f. is boiling temperature and must be avoided. Be sure to incorporate a means for flowing water in the event of an over-heat condition. Coal can not just stop burning when there is no demand for heat. Never fire a boiler with no water in the system. Serious consequences will result.

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Harman VF3000 manual 14Installation, Aquastat and Wiring