HBM 12-80 self-suction boost pump for water heaters (external PWM control)

HBM 12-80 self-suction boost pump for water heaters (external PWM control) HBM 12-80 self-suction boost pump for water heaters (external PWM control)

Special self-priming boosting pump for instantaneous water heater

HBM 12-80 INVERTER pump is the high efficient and super silent ECM self-priming booster pump which is designed for water heater.
It adopts new runner, optimize hydraulic design, so that self priming and boosting effect are excellent and pump volume is minimization, effectively solve the troubles caused by low pressure and conflict between shower and the using of domestic hot water.
It is controlled by external digital pulse width adjustment low pressure signal (PWM) from water heater's PCB.

With HBM 12-80 INVERTER pump it become possible to enjoy by the comfort of plentyfull domestic hot water supply even by low pressure in water pipelines.
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Outside control principle

WHM/HBM/UPM FLEX circulating pump is controlled through a digital low voltage pulse width modulation PWM signal, its rotating speed depends on input signal. HYBRID circulating pump is controlled internally or externally, and can be set to be controlled internally or externally according to the requirement of using site. The pump preformed configuration file determines the change rate of pump rotating speed.

Digital low voltage PWM control signal:

Square wave PWM signal is applicable for the frequency ranged from 100 to 4000Hz PWM signal is used for selecting speed(speed instruction),and is regarded as feedback signal. The PWM frequency of feedback signal in the circulating pump is fixed to 75Hz.


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HBM INVERTER boost pump.pdf
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