Issue: 16.08.2010
Instruction Manual DVZ-SKA “BIOMASTER“-PLUS
Page 16 of 39
5.0
I N S T A L L A T I O N I N S T R U C T I O N
5.1 POSITIONING
The unit shall be positioned on a firm steel counter foundation, or flat surface.
There shall be sufficient free space around the plant for service and maintenance.
Front side needs to be accessible for maintenance of pump and electric equipment.
Top side: The manhole shall be easily accessable for cleaning and maintenance.
If fitted with level electrodes on the 3rd stage; the pull out length of level electrodes is
850 mm. Check that the system is approx. level. The stainless steel bottom plate have to
be secured to the foundation with bolts.
5.2 PIPE CONNECTIONS
1. Observe local and class rules when connecting the pipes to the system, for any local
or special requirements.
2. Standard inlet is DN100-PN10 flange acc. DIN standard, in centerline of the tank (can
differ in special cases) Connect the waste water pipe to this flange. It is strongly
advised to install a bypass with valves.
3. Vent is DN100-PN10 and shall be connected to a suitable vent ending on
weatherdeck or highest available point, to avoid smell. The vent shall have no
excessive resistance or "goose necks". Airflow is appr. 50m3/h, max. backpressure
35mBar.
4. We advise to have the discharge pipe at least 1 diameter step large connect to
suitable overboard with a checkvalve direct near the discharge pump, to prevent
backflow in to the treatment plant. If system level is above outside water level, install a
watertrap, to the same level as the tanktop and make sure that syphoning is avoided
in the discharge pipe (install breather pipe or valve at highest point of watertrap)
Overboard connection to be in accordance with applicable class. No valves are
included in DVZ-SERVICES delivery.
5. Vent on effluent tank: Open to space of installation. This is a safety overflow to
prevent overpressure on the system. In case class requirements prescribe connection
to above main-deck, a suitable 2" overflow connection with waterlock (400 mm depth
is sufficient) is advised.
5.3 ELECTRIC
6. Apply electric power to the unit from a main circuit breaker with fuses.
Installation to be in accordance with class and safety rules. Standard controls include
local circuit breaker and fuses. Free contacts NO/NC are available to connect to the
ship's alarm system, indicating general malfunction, see manual.
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Page 83: ...Issue 16 08 2010 Instruction Manual DVZ SKA BIOMASTER PLUS Page 33 of 39...
Page 89: ...Issue 16 08 2010 Instruction Manual DVZ SKA BIOMASTER PLUS Page 39 of 39...
