WL500
Manual
Page 63 Revision 4‐10‐2019
Drain the Hot Water Tank
24.
Remove the Hot Tank drain cap from the rear of the unit.
25.
Drain 1.6 liters of hot water into suitable container.
Reassemble the Unit
26.
Reinstall all drain caps.
27.
Reinstall the Quartz Sleeve.
28.
Reinstall the Quartz Sleeve Retaining Cap firmly. Do not over tighten O‐ring seal.
29.
Reinstall the UV Lamp. Be careful not to touch UV Lamp surface as oils from your hands can cause
dark spots and impact the performance of the system. Always wipe off lamp with alcohol wipe or
equivalent if needed. Ensure lamp wires are not crossed and never force lamp into the sleeve to
avoid damage.
30.
Reconnect UV Lamp.
31.
Reinstall the UV sensor into the Retaining Cap.
32.
Reinstall top cover and the UV Lamp cover plate.
33.
Ensure the front display PCB ribbon connectors are securely attached and completely seated to
avoid problems.
34.
Close front Hatch Panel and tighten the locking screw to secure.
