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Mactrap Grease Boss Operational Manual v Feb 2017
CORRECT INSTALLATION
Grease Boss can be installed wherever a 165mm clearance can be obtained
*IMPORTANT: The Grease Boss is not a sealed unit. Make sure a P trap or similar is used after outlet to ensure no
odour back flow from sewer
Ensure correct outlet pipe size to suit hydraulic flow entering the unit
•
Use flexible couplings to inlet and outlet.
•
Ensure 1:40 fall at all times.
•
Do not use compression hose.
•
Ensure unit filled with water prior to switching on power source.
•
It is advisable to leave power on to retain integrity of default settings.
•
Check correct invert and weir levels herein shown.
Note: Before switching on for the first time, lightly coat roller blades with vegetable oil (not petroleum based oil)
to prevent sticking to roller.
We recommend in-
sink filters for
efficient operation
Ensure U-bends are installed
at each sink or at least
pre Grease Removal Unit
Fall 2+ degrees
Minimum 165mm
clearance to lid lift required
Always fill with water
before turning on
Wire to an IP56 socket
(preferably under bench
Fit air
admittance
valve
Fall 2+
degrees
Outlet pipe minimum
diameter 50mm
Outlet/invert level must
be at base of socket
* P trap
recommended
