Symbols Used - Norvap Apollo Operation & Maintenance Manual

3.6 Symbols Used

Symbol
%
Doc. No. 157
20 March 2019
Indication/meaning
Mandatory to read the instruction manual.
Warning, cautions and read instruction
label.
Maximum fill line symbol on the filling sight
glass.
(Agent level indicator).
Minimum fill line symbol on the filling sight
glass.
(Agent level indicator).
Direction of Flow
Percentage concentration
Issue 1.0 Draft Apollo Operations Manual
Page 9 of 27