Alpha Technologies AlphaGen PN-6x-T 7.5kW 48VDC - Installation and Operation Manual - Manual (Page 72)

72 745-020-B0-003, Rev. C
Calibration Procedure:
1. Set the ECM Run/Auto/Stop (RAS) switch to the STOP position.
2. Remove the Allen-head screw located on the secondary or demand regulator.
3. Open both ports on the DWYER # 1212 manometer.
4. Set the scale of “0” between the water lines. Connect the pressure test hose (see
above).
5. Remove the Maxitrol regulator adjustment cover (located in the gas service box outside
of the enclosure).
6. Apply 0.5 psi to 2.0 psi gas pressure to the gas package.
7. Place the ECM’s RAS switch in the RUN position. The starter will then crank the engine
until the generator starts (this may take a few seconds to draw excess air from hoses).
When the ECM RAS switch is placed in the RUN position, the ECM will start the engine.
7.0 Maintenance, continued
7.9 Maxitrol Pre-regulator Calibration, continued
• No matches or open fl ame or sparks. Use caution whenever working in the area to
prevent possible combustion of fuel vapors.
• Leak Hazard: Use caution whenever working in the area to prevent and correct any
leaks detected.
WARNING!
Fig. 7-14, Manometer Connection
Reverse view of demand
regulator showing port
Connect hose and fi tting to
the demand regulator
5 ½"
5 ½"
KEEP PORT OPEN
11" WATER
COLUMN TOTAL
DWYER 1212 MANOMETER