Waterous 200-B, Инструкция по установке и обслуживанию, Страница: 24 / 54

Waterous 200-B Belt-Driven Installation Guide Rev-
Page 24 of 54
2. Close all air discharges.
3. Locate the Air Inlet Trim Valve, near the air inlet on the compressor.
Air Inlet
Trim Valve
Fixed/Manual Pressure
Regulator
Figure 30 Compressor adjustment points
4. Turn the valve clockwise until it is completely closed, then open it three full turns.
5. Locate the Piloted Balance Valve (PBTV), and turn the needle valve
counterclockwise to full open.
PBT
Valve
Figure 31 Piloted Balance Trim Valve (PBTV)
6. Start the fire pump, and with the engine at idle, establish water flow through a
discharge or tank re-circulation.
7
The main pressure gauge should read approximately 40 PSI with all discharges
closed. Some systems may read lower. This is acceptable.
B. FIXED Mode Adjustment
The usual pressure for a newly installed belt driven retrofit kit is about 110 PSI. It
must be adjusted to 150 PSI.
1. Locate the Fixed/Manual Pressure Regulator on the compressor and loosen the
lock nut on the adjustment screw.
2. Place the controls on the Auto-Sync control panel to FIXED and RUN. (FIXED
for electric valves) Wait until the compressor pressure stabilizes.