11
PLACING THE SYSTEM
IN SERVICE
THE FOLLOWING INSTRUCTIONS APPLY TO A
SOLENOID THAT IS DE-ENERGIZED. IF THE
SOLENOID IS ENERGIZED, RESET THE PANEL
BEFORE ATTEMPTING TO PLACE THE SYSTEM
IN SERVICE.
1.
Open the system main drain valve. Confirm that the
system is drained.
2.
Close the system main drain valve.
3.
Confirm that system drains are shut and the system is
free of leaks.
4.
If a Series 746 Dry Accelerator is used, confirm that the
isolation ball valve to the accelerator is closed.
5.
Open the piston charge line ball valve.
SERIES 749 AUTO DRAIN ASSEMBLY
6.
Remove the protective cap from the Series 749 Auto
Drain.
• Make sure the Series 758 Preaction Valve is properly heated and protected from
freezing temperatures and physical damage.
Failure to follow this instruction could cause improper valve operation, resulting in
serious personal injury and/or property damage.
System Main
Drain Valve
System Main
Drain Valve
Accelerator
Isolation
Ball Valve
Piston
Charge Line
Ball Valve
Cap
Knob
Seal
Compression
Fitting
Drain
Hose
Body
Spring
Stem
Auto Drain
Protective
Cap
DISCONTINUED
PRODUCT
