Siqura HSD620PRH, Installation Manual, Page: 22 / 42

Siqura HSD620PRH/621PRH
Page 18
5.2 Pressurizing

To pressurize the Siqura HSD620PRH and HSD621PRH camera
Set the gauge or regulator from 10 to 20psi (.7 to
1.4bar).
Place the air chuck on the tank valve and begin
filling until pressure relief valve opens.
Open the relief valve. Drain all air from the
housing and 3 times to remove all moisture.
After purging check the housing pressure. It
should be around 5psi (.34bar).