Closing the UVC water housing
P, Q, R
Check the O ring (37) at the unit head (31) for damage. Place the O ring (37) on the recess at the unit head (31), then
carefully push the UVC water housing (26) on the unit head (31) by applying medium pressure. While doing so, slightly
turn the UVC water housing (26) to ensure that the tenons (39) and the grooves (40) of the bayonet closure intermesh.
Turn the UVC water housing (26) clockwise against the stop and allow to engage.
Reassembling the unit
S, T, U, V
Bolt the pump (28) to the UVC water housing (26) using the union nut. Insert fine foam filter (22) in the bottom strainer
casing (2), place the bio surface elements (23) and the gravel bag (24) in the bottom strainer casing (2). Insert the UVC
clarifying unit including the pump (20). Insert the foam filter (3). Attach the top strainer casing (1) and press it onto the
bottom strainer casing (2) until the clamps engage in the bottom strainer casing. Important: Guide the connection ca-
ble (7) through the cable opening at the bottom strainer casing (2) and clip with the cable kink protection in the bottom
strainer casing (U, 37).
UVC lamp replacement
L-S
C A U T I O N
Quartz glass and UVC lamp can break and cause cut injuries.
• Handle the quartz glass and UVC lamp with care.
C A U T I O N
The ultra-violet radiation of the UVC lamp can burn your eyes and skin.
• Never operate the UVC lamp outside its casing.
• Never operate the UVC lamp in a casing that is defective.
• Open the UVC water housing (see "Opening and cleaning the UVC water housing").
• Remove the self-tapping screw (32).
• Unscrew the clamping screw (34) from the unit head (31) by turning counter-clockwise.
• Pull off the quartz glass (33) and the O-ring (35) while slightly turning the unit head (31).
• Pull out the UVC lamp (36) and replace.
Important: Only use lamps the identification and capacity data of which correspond to the information on the type
plate.
• Check the quartz glass (33) and the O ring (35) for damage.
• Insert the quartz glass (33) including the O ring (35) against the stop in the unit head (31).
• Tighten the clamping screw (34) clockwise up to the stop.
• Turn in and tighten the self-tapping screw (32).
• Close the UVC water housing (see "Closing the UVC water housing").
Storage/overwintering
The unit is not frost-proof and has to be removed and put into storage if minus temperatures are expected.
How to correctly store the unit:
• Thoroughly clean the unit, check it for damage and replace any damaged parts.
• Protect electrical connections from moisture and dirt.
• Store the pump submerged and in a frost-free environment.
• Protect open plug connections from moisture and dirt.
- EN -
15