Low reading on lamp meter: apa yang harus dilakukan?

Penyebab: Lamp burnt out, bad connections, ballast fault, wrong supply voltage. Tindakan: Change lamp, check sockets and terminals, check ballast voltages

Low reading on intensity meter: apa yang harus dilakukan?

Penyebab: Lamp faulty, dirty chamber, photocell or circuit board faulty. Tindakan: Clean chamber, test photocell with a torch, replace parts

Both meters read zero: apa yang harus dilakukan?

Penyebab: Lamp faulty or automatic fuse off. Tindakan: Check for short circuit, reset fuse

Solenoid valve does not open: apa yang harus dilakukan?

Penyebab: Lamp fault, intensity alarm, alarm relay faulty. Tindakan: Check items above, relay voltage 110 V, replace relay

JOWA REP-1L

Sterilisator ultraviolet air minum

JOWA REP-1L sterilises drinking water with one low-pressure UV lamp in a stainless steel chamber. A photocell measures UV intensity and gives an alarm and closes the outlet solenoid valve when it falls below 30 %; a lamp ammeter monitors the lamp. It is fitted after the pH filter, storage tank and hydrophore, as close to the tapping point as possible. The manual covers specification, installation, start-up, chamber cleaning, lamp and quartz jacket replacement, a troubleshooting chart, wiring and parts.

Prosedur perawatan

Replacing a quartz jacket

Switch off the operating switch and the automatic fuse; drain the chamber. hlm. 14
Remove the wing nuts and end covers, disconnect the lamp and pull it out. hlm. 14
Remove the O-ring flange (three 6 mm socket screws), slide the quartz out on a 10–18 mm wooden or plastic rod. hlm. 14
Fit new O-rings (soap inside), wipe the quartz with alcohol and do not touch it with bare hands. hlm. 14
Slide the new quartz in on the rod, refit flanges hand-tight to bottom, pressurise and check for leaks; refit lamp and covers. hlm. 14

Gangguan dan cara mengatasinya

Low reading on lamp meterLamp burnt out, bad connections, ballast fault, wrong supply voltage Low reading on intensity meterLamp faulty, dirty chamber, photocell or circuit board faulty Both meters read zeroLamp faulty or automatic fuse off Solenoid valve does not openLamp fault, intensity alarm, alarm relay faulty

Spesifikasi teknis

UV lamp	1 low-pressure lamp, 158 cm, 65 W (27 W at 253.7 nm)	hlm. 3
UV dose	> 35 000 µWs/cm² at 2.7 m³/h, 60 % transmission	hlm. 3
Capacity	2.7–5.4 m³/h depending on water quality	hlm. 3
Intensity alarm	below 30 %	hlm. 3
Power	150 W, 230 V 50/60 Hz	hlm. 3
Working pressure	up to 10 bar	hlm. 3
Chamber	SS 316, 1630 × 104 × 275 mm, 16 kg	hlm. 3
Lamp voltage (unlit)	about 600 V for 152 cm lamp	hlm. 16

Sumber: manual produsen “EM-26 RE-UV-PURIFIERS”, 21 halaman. Nomor halaman mengacu ke dokumen asli. Periksa manual di kapal sebelum bekerja.

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