Service Instructions; Bypass.valve - Pentair 5600SXT Series Operator's Manual

SERVICE INSTRUCTIONS

Replacing Brine Valve, Injectors and Screen
1.. Turn.off.water.supply.to.conditioner:.If.the.conditioner.
installation.has.a."three.valve".bypass.system,.first.open.
the.valve.in.the.bypass.line,.then.close.the.valves.at.the.
conditioner.inlet.and.outlet..If.the.conditioner.has.an.integral.
bypass.valve,.put.it.in.the.Bypass.position..If.there.is.only.a.
shut-off.valve.near.the.conditioner.inlet,.close.it.
2.. Relieve.water.pressure.in.the.conditioner.by.stepping.the.
control.into.the.Backwash.position.momentarily..Return.the.
control.to.the.In.Service.position.
3.. Unplug.electrical.cord.from.outlet.
4.. Disconnect.brine.tube.and.drain.line.connections.at.the.
injector.body.
5.. Remove.the.two.injector.body.mounting.screws..The.injector.
and.brine.module.can.now.be.removed.from.the.control.valve..
Remove.and.discard.brine.body.O-rings.
Brine Valve Replacement
1.. Pull.brine.valve.from.injector.body..Also.remove.and.discard.
O-ring.at.bottom.of.brine.valve.hole.
2.. Apply.silicone.lubricant.to.new.O-ring.and.reinstall.at.bottom.
of.brine.valve.hole.
3.. Apply.silicone.lubricant.to.O-ring.on.new.valve.assembly.and.
press.into.brine.valve.hole..Be.sure.shoulder.on.bushing.is.
flush.with.injector.body.
Injectors/Screen Replacement
1.. Remove.injector.cap.and.screen,.discard.O-ring..Unscrew.
injector.nozzle.and.throat.from.injector.body.
2.. Screw.in.new.injector.throat.and.nozzle,.be.sure.they.are.
sealed.tightly..Install.a.new.screen.
3.. Apply.silicone.lubricant.to.new.O-ring.and.install.around.oval.
extension.on.injector.cap.
4.. Apply.silicone.lubricant.to.three.new.O-rings.and.install.over.
three.bosses.on.injector.body.
5.. Insert.screws.thorough.injector.cap.and.injector..Place.this.
assembly.thorough.hole.in.timer.housing.and.into.mating.
holes.in.the.valve.body..Tighten.screws.
6.. Reconnect.brine.tube.and.drain.line.
7.. Return.bypass.or.inlet.valve.to.normal.In.Service.position..
Water.pressure.automatically.builds.in.the.conditioner
NOTE:.Be.sure.to.shut.off.any.bypass.line.
8.. Check.for.leaks.at.all.seal.areas..Check.drain.seal.with.the.
control.in.the.Backwash.position.
9.. Plug.electrical.cord.into.outlet.
10.. Set.Time.Of.Day.and.cycle.the.control.valve.manually.to.
assure.proper.function..Make.sure.control.valve.is.returned.to.
the.In.Service.position.
11.. Be.sure.there.is.enough.salt.in.the.brine.tank.
12.. Start.regeneration.cycle.manually.if.water.is.hard.
Timer Replacement
To.replace.timer.refer.to.Replacing.Brine.Valve,.Injectors.and.
Screen,.steps.1–3.
1.. Remove.the.control.valve.back.cover..Remove.the.control.
valve.front.cover..Disconnect.the.meter.dome.signal.wire.
from.the.front.cover.and.feed.it.back.through.the.control.
2.. Remove.screw.and.washer.at.drive.yoke..Remove.timer.
mounting.screws..The.entire.timer.assembly.then.lifts.off.
easily.
3.. Put.new.timer.on.top.of.valve..Be.sure.drive.pin.on.main.gear.
engages.slot.in.drive.yoke.
4.. Replace.timer.mounting.screws..Replace.screw.and.washer.
at.drive.yoke..Replace.meter.signal.wire.
5.. Return.bypass.or.inlet.valve.to.normal.In.Service.position..
Water.pressure.automatically.builds.in.the.conditioner.
NOTE:.Be.sure.to.shut.off.any.bypass.line.
6.. Replace.the.control.valve.back.cover.
7.. Follow.Injectors/Screen.Replacement,.steps.9–12.
Piston Assembly Replacement
To.replace.piston.assembly.refer.to.Replacing.Brine.Valve,.
Injectors.and.Screen,.steps.1–3.
1.. Remove.the.control.valve.back.cover..Remove.the.control.
valve.front.cover..Disconnect.the.meter.dome.signal.wire.
from.the.front.cover.and.feed.it.back.through.the.control.
2.. Remove.screw.and.washer.at.drive.yoke..Remove.timer.
mounting.screws..The.entire.timer.assembly.will.now.lift.off.
easily..Remove.end.plug.retainer.plate.
3.. Pull.upward.on.end.of.piston.yoke.until.assembly.is.out.of.
valve.
4.. Inspect.the.inside.of.the.valve.to.make.sure.that.all.spacers.
and.seals.are.in.place,.and.that.there.is.no.foreign.matter.that.
would.interfere.with.the.valve.operation.
5.. Take.new.piston.assembly.as.furnished.and.push.piston.
into.valve.by.means.of.the.end.plug..Twist.yoke.carefully.
in.a.clockwise.direction.to.properly.align.it.with.drive.gear..
Replace.end.plug.retainer.plate.
6.. Place.timer.on.top.of.valve..Be.sure.drive.pin.on.main.gear.
engages.slot.in.drive.yoke.
7.. Replace.timer.mounting.screws..Replace.screw.and.washer.
at.drive.yoke.
8.. Return.bypass.or.inlet.valve.to.normal.In.Service.position..
Water.pressure.automatically.builds.in.the.conditioner
NOTE:.Be.sure.to.shut.off.any.bypass.line.
9.. Replace.the.control.valve.back.cover.
10.. Follow.Injectors/Screen.Replacement,.steps.9–12.
Pentair.5600SXT.Softener.System..•..25