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11. Heater Break Alarm (HBA)

11.1 HBA Wiring Example

SSR

AC POWER

Heater

Sensor

OUT1

AL1

(HBA Relay)

(CT Input)

(Sensor Input)

11.2 HBA Function Description

HBA function detects the AC current flowing through the heater by a Current Transformer

(CT), and compares the CT input value and HBA set value. When OUT1 is ON and CT

input value is less than HBA set value during 5 seconds , AL1 is activated. Otherwise, AL1

is not activated.

The AC current flowing through heater can also be monitored in HBA setting mode.

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TCL uTC92 Specifications

General