Algas-SDI Operations and Maintenance Manual – P/N – 54702
5-11
5.
Operation
WARNING
The equipment described in this manual is designed to operate with
LP-gas, a flammable fuel under pressure. The nature of the
application involves inherent hazards that could result in injury.
ONLY a trained and fully qualified person should service this
equipment.
SAFETY OPERATING GUIDELINES
The process control panel monitors the following safety functions:
1. Regulated AIR pressure upstream of the Air Flow Control Valve.
2. Regulated LPG vapor pressure upstream of the Vapor Safety Shutoff Valve.
3. Air and LPG Vapor flow rates.
4. Calculated gas / air mix ratio.
5. Wobbe Index or specific gravity from Gas Quality Feedback Device.
SHUTTING DOWN THE BLENDER
1. Push the STOP button on the HMI panel or local control panel.
2. Close the outlet valve.
3. If the unit is to be serviced perform the following:
a. Close the air inlet isolation valve and the vapor inlet isolation valve, and
instrument air inlet isolation valve.
b. Disconnect the power supply to the BLENDAIRE.
c. Safely vent all residual pressure in both inlet spools and mixed gas
spool.