Synergy – Tank Surveillance Module 3110-021
SERVICE BULLETIN SB 3077 Rev. A 3/12
Balcrank Corporation, Inc.
7
7. EX-barrier 23187
In some countries an EX-barrier is needed between the level sensor and the tank
module if the liquid is classed as flammable. For this purpose the EX-barrier
23178 and a special EX approved cable 23164 can be used.
The EX-barrier, the solenoid valve that controls the air to the pump and the tank
module should be placed outside the EX-classed area. The EX approved cable
should be used to connect the level sensor on the tank inside the EX-classed
area with the EX-barrier outside the EX-classed area.
7.1. Connecting a fresh oil tank 23171/23183 (1-Level).
To achieve a proper function, that is the pump starts only if there are enough oil in the tank, a dispense
point is open and the sensor works properly, the following connection should be made.
