BASO BGC258 Series BASOTROL - Manual (Page 4)

4 BGC258 Series CE Approved Gas Valve Installation Instructions
Regulator Adjustment
IMPORTANT: All adjustments must be made in
conjunction with the gas appliance and in accordance
with the appliance manufacturer’s instructions. Only
authorized personnel should make adjustments.
!
WARNING: Risk of Explosion or Fire.
The minimum flow rate of the valve must not be
adjusted below the minimum safe working rate of the
appliance. this may cause gas leads, which can lead
to an explosion or fire and may result in severe
personal injury or death.
The BGC258 can have a bottom adjust, right or
left-handed top adjust spring pressure regulator. Right
of left-hand orientation is determined by the position of
the adjustment when looking into the inlet connection of
the valve.
The regulator controls the gas pressure at the valve
outlet by positioning the regulator poppet for selected
throughput flow and pressure. This is achieved by the
valve outlet pressure acting on the regulator diaphragm,
which balances against the preset regulator spring.
Adjustment of the spring compression determines the
valve outlet pressure and the throughput flow rate.
To adjust the outlet pressure, remove the leak-limiting
seal cap to expose the adjusting screw (see Figure 4).
Turn the screw (using a suitable screwdriver) in a
clockwise direction to increase or in a counterclockwise
direction to decrease the outlet pressure of the valve.
Table 1: Replacement Solenoid Coil
Part Number Description
RSDA95A-12 12 VDC; 2-tab 10.5 VA Coil
RSDA95A-25V 25 VDC; 3-tab 11.5 VA Coil
RSDA95A-25 25 VAC; 50/60 Hz; 3-tab 10.5 VA Coil
RSDA95A-25A 25 VAC; 50/60 Hz; 2-tab 10.5 VA Coil
RSDA95A-120 120 VAC; 60/60 Hz; 3-tab 10.5 VA Coil
RSDA95A-240 240VAC; 50/60 Hz; 3-tab 10.5 VA Coil
Do not make field repairs except for the replacement of
the solenoid coil.
Any attempt to repair this assembly voids the
manufacturer’s warranty. For a replacement coil or gas
valve, contact the original equipment manufacturer or
the nearest BASO Gas Products distributor.