2-4 Connection of Individual Control Output Contact (Refer to Attached Drawing 3 and Attached Drawing 4)
Due to individual output of water leakage and break (contact c), connect when external control is required.
Drawing 5 Individual Control Output Contacts
Water leakage (Rn) COM-NO: Closed when water leakage is detected under n circuit
COM-NC: Open when water leakage is detected under n circuit
Break (Dn) COM-NO: Closed when break is detected under n circuit
COM-NC: Open when break is detected under n circuit
*Contact operation
Setting SW2 on the CPU unit, the function of alarm hold and fail-safe can be effective.
* If the fail-safe function is effective, the contact will be operated reversely.
For details, refer to Attached Drawing 6 and the Operation Chart of Chapter 4.
3. Operation Check
3-1 Power-On (Refer to Attached Drawing 3)
When the power source switch is at -, it is ON, when at o, it is OFF.
Set the CPU unit power source switch “ON” and check that the power source indication LED on the CPU unit is
lighting up.
In the case that the LED does not light up, the detector may be out of order. Power off the detector promptly and
contact the manufacturer.
Drawing 6 Power Switch
-3-
CPU Unit
5-Circuit Expansion Unit
Power Indicator LED
Power Switch
Thermistor
