R.E Prescott Bubble-Up Jr Interactive - Appendix A: 7 GPM Pump Control Manual; Setting Pressure Switch for Operation; Pump Control Working Principle

Bubble‐Up®JrInteractive™RadonRemovalSystem
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Appendix:A
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PartNumberBUB‐075A,7GPMStandard45/65PressureSwitch
Forusewithonly115voltBubble‐Uppumps.
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PatentNumber:US8,393,875B2
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A. SETTINGPRESSURESWITCHFORPROPEROPERATION:
1. Alwaysunplugthepressureswitchbeforeremovingpressureswitchcoverandmakingadjustments.See
pressureadjustmentinstructionsunderthecover.
2. Adjustthelargespringonlyuntilthepressureswitchturnsonat45PSI.
3. Donotadjustthesmallspring.Thiswillkeep20psidifferential.
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B. HOWITWORKS
Pressureswitchisconnectedtotheventurithroatpressure.Whenthereis½to1GPMflowthroughtheventurithe
pressureswitchsenseslessthan65psi.Thiskeepsthepumprunningatlowflows.
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7GPMBubble‐UpMechanicalPump
ControlAssemblyManual