Advanced Sensor & Optics Power Supply Unit for flame detector Model : P S U - 20 〔Features〕 PSU-20, a power supply device is for facilities which need DC24V output rectified from AC220V input and secondary power supply at electric power interruption. ■ Function ･ ON / OFF control by AC, DC Switch ･ Visual display on AC power, DC power, battery charge status color Lamp operation recharge ■ green Regular blinking : on recharge ■ Design Item Form Case Dimension Description Exposure type Powdered coating 300 x 400 x 180 (mm) Input Voltage Output Voltage Power Consumption Output Capacity Capacity for Secondary Power Supply Preparation Time Charging Time No. of detectors to be connected (as of 180mA per detector) battery 30 mins. ( DC24V, 3.8A ) about 12 hours 0.18A × 20(detectors) ≒ 3.6 A < 3.8 A Tel: +82-31-348-4247 Fax: +82-31-420-0800 E-mail : [email protected] Web-site

Power Supply Unit for flame detector ■ No. of detectors to be connected Model No. ■ pictures for power supply unit Tel: +82-31-348-4247 Fax: +82-31-420-0800 E-mail : [email protected] Web-site : www.rezontech.co

Power Supply Unit for flame detector [inside and notes] ■ Picture for inside AC/DC REOHARGING LAMP VOLTAGE METER TERMINAL BLOOK [ Battery connector connection] Handling Notes 1. For installation and maintenance, you must block AC-DC power and all the related signals and take safety outfits. 2. DC short could cause error on internal PCB. Please take care. 3. Make sure that moist does not penetrate into electronic equipment. 4. When not using power supply casing, disconnect the battery connector against over-discharge. 5. Avoid reverse connection on a battery. (A buzzar rings at reverse connection.)...

Power Supply Unit for flame detector Fault diagnosis Contact us, Rezontech headquarter, for more for trouble shooting. ● AC power error Symptom a. AC lamp does not go on with AC switch 'On'. a. Make sure that AC 220V be supplied with to AC-L and AC-N terminals. b. Check with AC fuse. ● DC power error Symptom a. DC lamp does not go on with DC switch 'On' a. Check any AC power error. b. Check with DC fuse. c. Check +. - connection on terminal lug. d. For overcurrent from short or line leaks, block DC switch and remove loads on the (Protection circuit operating could block power supply for several...

Power Supply Unit for flame detector Wiring Diagram ■ Wiring Diagram(alternating current power supply, receiver, detector) power for flame detector CN4-1 ■ Wiring Diagram for power supply unit Tel: +82-31-348-4247 Fax: +82-31-420-0800 E-mail : [email protected] Web-site : www.rezontech.co