Space-Ray FUSION Series Installation & Operation Instructions page 27

Figure 1
TO ADJUST REGULATOR (two stage gas valves):
1. Turn on power and energize main gas valve solenoid. Do not energize the HI solenoid.
2. Remove regulator cover screw from the low outlet pressure regulator (see Figure 2 below) and turn screw

clockwise to increase pressure, or counterclockwise
screw and tighten securely.
3. Energize main gas valve solenoid as well as the HI terminal.
4. Remove regulator cover screw from the high outlet pressure regulator (see Figure 2 below) and turn screw

clockwise to increase pressure, or counterclockwise
screw and tighten securely.
DO NOT EXCEED THE PRESSURES SHOWN IN THE GAS PRESSURE TABLE.
5. After testing pressure and adjusting the regulator, turn off all electrical power to the system, remove
manometer hoses, turn outlet test screw (3/32" Hex) clockwise to seal pressure port. Tighten to 7 in-lb
minimum. Turn on system power.
fFigure 2

to decrease pressure. Replace regulator cover

to decrease pressure. Replace regulator cover
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Form 43343100
April 2022 A