INST
ALLA
TION
44
PULSE Installation, Commissioning and Servicing Manual - Revision 19
7
LPG SECTION
This section describes the procedures required during commissioning specific to LPG such
as:
y
Fuel flow test.
y
Trade Measurement test.
It also provides a brief description of specific LPG components and characteristics including
the following:
Stack
The LPG stack is always in the Product A position located as follows:
L Series: closest to the hose column.
C Series: on the far right if you are facing the front of the dispenser.
Flow Meter
E+H Coriolis mass flow meters are used in the LPG stack. They are non-serviceable. In case
of failure they must be replaced.
Valves
LPG uses a 2-Stage LPG valve that enables pre-set deliveries.
Return Valve
The return valve is used solely for the return of LPG during testing.
Fuel Density
If fuel density variations are detected during a delivery, dispensing will pause momentarily
to allow LPG vapour to recondense to liquid. Normal operation will then resume.
The
rear
LPG flow meter is accessed from the front of the dispenser.
The
front
LPG flow meter is accessed from the rear of the dispenser.
