MiniBOSS O&M Manual Rev 3
Page 5
9/25/2018
with no vacuum. If the back pressure changes the flow rate will vary slightly. The flow rate
cannot be adjusted.
There are pressure gauges on the inlet and outlet of the sediment filter. Take note of the pressure
differential when the cartridges are new. The differential will increase as the sediment builds up.
When the INLET gauge is reading 25 psig or above, the flow of 1 gpm has peaked. It will
continue to process oily water but as the pressure goes up the flow will be reduced further.
When the INLET gauge has reached 50 psig, the pump has now reached its maximum pressure
and will just bypass the flow internally. At this point the flow is essentially zero. When this
happens it is time to change the sediment filter. The oil removal filters are not designed to plug
as long as the sediment filter is properly maintained. If the sediment filter is changed and there
is still too much backpressure, then that means the oil removal filters have also been plugged and
need to be changed. 2) If the OCM consistently goes into recycle then the oil removal filters are
full of oil and need to be changed.
2.1.
Alarm and Action Conditions
The only alarm condition that requires operator action is when the oil removal filters have
reached maximum hydrocarbon saturation. This is determined by the inability of the XP420
Extreme filter to remove oil below 15 PPM. At this point, the OCM will not be discharging
water overboard but will be in a continuous recycle mode.
When this happens it is time to change the oil removal filters.
Oil in Discharge Water Alarm—If the oil in the discharge water is greater than 15 PPM the
OCM will alarm. An OCM alarm will cause the system to automatically go into recycle mode
until the condition no longer exists. The alarm light on the OCM panel display indicates that the
system is in recycle and that oil greater than 15 PPM has been detected in the water.
2.2.
Maintaining and Servicing the OCM
DO NOT ATTEMPT TO BREAK THE SEAL OR OPEN THE OCM TO DO ANY
MAINTAINENCE OF THE OCM. BREAKING THE SEAL WILL VOID THE
CALIBRATION.
The only work you can do on the OCM is to change the cell or clean the cell or perform some
other minor functions explained in the oil content monitor instruction manual. Any other work
must be done by the factory. A separate instruction manual for the oil content monitor is
provided.
The OCM cell will need to be cleaned on a regular basis. Refer to the OCM manual for
operating instructions for the OCM.
