11
The aim of re-utilising grease requires frequent waste dis-
posal from the grease separator in order to keep the bio-
chemical decomposition process to a minimum. The di-
scharge of separated material must therefore be carried out
not only according to quantity but also according to time - at
least twice per week. The volume of the grease separator in
the case of NS 2 is 80 litres and in the case of NS 4, it is 160
litres in accordance with the Standard. The collection barrel
holds approx. 60 litres.
Failure-free and proper operation of the plant is
only guaranteed if the waste from the plant is dis-
posed of in time.
➤
For the flow chart of the separation operation, see Sec-
tion 2.
➤
A brief set of instructions in which the most important
functions are explained are attached to the control unit.
Step 1: Rinsing
During the rinsing process, the sediments are transferred from
the grease separator into the sludge trap and grease films and
floating sludges are conveyed from the sludge trap into the
grease separator.
Warning:
The sludge trap must be filled to the overflow level. The rin-
sing process must not be started immediately after sludge di-
scharge otherwise the grease-separation area will be pum-
ped out!
Too frequent or too slow sludge transfer can cause the grea-
se separator area to be pumped out
Automatic rinsing
Automatic rinsing is triggered via a time switch. For this rea-
son, leave the valve on the rinsing line (1c) open during nor-
mal operation of the grease separator. In order to check that
the pump is operating properly, rinsing should be carried out
briefly by hand once per month during waste disposal.
Whether the pump is delivering or not can be established by
the noise of liquid running into the sludge trap.
Manual rinsing
➤
The valve on the rinsing line (1c, page 14)) must be
open (standard position)
➤
Start the pump in the manual mode (Control Unit Menu
Section 2.1)
Step 2: Grease disposal
Disposal should take place at the end of the programmed
heating times.
Heating times can be customer set (see time settings in Sec-
tion 4.4) in order to better match the operation to on-site re-
quirements
At the end of the set heating time (set at 2 hours at the fac-
tory), slowly open the grease discharge valve (6a, page 14).
Observe the flow of grease through the transparent filling
hose (10b, page 14).
Drain the grease and any floating sludge into the grease sto-
rage barrel until either the barrel (F) is full (which can be de-
tected when no more grease is capable of flowing into the
barrel) or until grease is no longer visible in the transparent
hose (10b, page 14). Now close the grease disposal valve
(6a, page 14).
5. Disposal
Disposal Steps
S
C
F
A
B
G
E
S
C
F
A
B
E
G
