Pentair FLECK PROFLOSXT DOWNFLOW, Руководство по обслуживанию

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FLECK
Model ProFloSXT Downflow Service Manual
• 27
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 valving 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. Disconnect the meter
cable from the meter assembly.
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 valving 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. Disconnect the meter
cable from the meter assembly.
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 valving 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.