Pool Anatomy & Systems
现场里是这样的

基准表、运行示例和过滤器线索

只有在知道干净基准、实际泵速和设备平台型号后,过滤器才真正可诊断。

干净基准表

记下真实配对,这样以后压力上升才对你的设备有意义,而不是只凭传闻。

状态       读数
干净过滤器    12 PSI,1,800 RPM
服务触发  比基准高 8 到 10 PSI
过滤器类型提示

砂缸、滤芯和 DE 过滤器在反冲洗、清洁和拆装上的逻辑各不相同,所以手册必须和罐体匹配。

砂缸       反冲洗
滤芯       清洗并重新密封
DE         按手册补充
运行示例

花粉周或落叶期可能需要更长的白天运行时间;如果撇渣和清澈度仍然稳定,平静的一周可以缩短运行。

平静周   如果撇渣保持正常,可缩短运行
花粉周   白天运行更长
负荷高   先清理或吸污,再重设基准
故障线索

高压配合弱流量通常指向堵塞;正常压力但水发浑通常指向循环不良或负荷过高。

高压 + 低流量   怀疑堵塞或介质脏了
正常压力 + 发浑   怀疑循环、负荷或回水覆盖不足

登录即可将设备信息保存到你的泳池

Visual Guide

Filter Pressure Gauge Zones

Clean
Backwash
Danger
Clean

Normal operating range. Record your clean baseline at a known pump speed.

Needs Backwash

Pressure is 8-10 PSI above clean baseline. Time to backwash or clean the filter media.

Danger / Blocked

Pressure is well above normal. Stop the pump and inspect the filter, plumbing, and return path.

Current reading
0 PSI30 PSI
Visual Guide

Multiport Valve Positions

Filter

Normal filtration. Water flows through filter media.

Backwash

Reverse flow through filter. Flushes debris to waste.

Rinse

Used after backwash to settle media before filtering.

Waste

Bypasses filter. Used for draining or vacuuming debris.

Recirculate

Water bypasses filter. Used for chemical circulation.

Closed

Blocks all flow. Do not run pump in this position.

Visual Guide

Identify Your Filter Type

Sand
  • Large round or dome tank
  • Side or top-mount valve
  • Sand media inside
Cartridge
  • Cylindrical tank with clamp band
  • Pleated cartridge elements inside
  • No backwash port
D.E.
  • Manifold with internal grids
  • Bump handle or backwash port
  • D.E. powder added after backwash

Filtration and Circulation

Cloudy water often starts with flow, filter condition, or dirty media long before it becomes a chemistry emergency.

Use this when
  • Cloudy water often starts with flow, filter condition, or dirty media long before it becomes a chemistry emergency.
You'll need
  • Clean filter pressure and pump RPM
  • Current filter pressure
  • Filter type and model family
Stop and escalate if
  • Do not open a filter tank, crack a clamp band, or break into a pressure vessel unless the exact manual supports it.
  • Do not treat DE-to-sand as universal manufacturer guidance.
先做这一步

Clean or backwash the filter completely, then record the clean pressure and pump speed. A filter is only diagnosable when you know its clean baseline.

不要做
  • Do not open a filter tank until trapped pressure is fully relieved
  • Do not treat sand, cartridge, and DE filters as interchangeable service procedures
  • Do not chase chemistry while the valve path is bypassing or starving the filter
  • Do not use generic PSI targets instead of your system's clean baseline
准备好

Clean filter pressure and pump RPM / Current filter pressure / Filter type and model family

0%0/28 done
1

Document your clean baseline

A filter only becomes diagnosable once you know what normal looks like.

2

Match maintenance to filter type

Sand, cartridge, and DE filters behave differently and should not be treated as interchangeable.

Warnings
  • Do not open a filter tank, crack a clamp band, or break into a pressure vessel unless the exact manual supports it.
3

Separate pressure rise, low flow, air, and bypass

The pressure gauge is useful only when you know which side of the system is misbehaving.

4

When cloudy water is mechanical

The filter can only catch what the circulation system presents to it.

5

Stop when the problem is not the filter

If pressure, flow, or clarity points elsewhere, branch before cleaning the same part repeatedly.

6

Using DE carefully

DE can sharpen filtration performance, but it is not a casual powder to throw around.

Warnings
  • Do not treat DE-to-sand as universal manufacturer guidance.
7

Circulation tuning

The goal is even circulation and enough filtration time for the conditions, not a fixed daily runtime myth.

资源(20)

Manufacturer manuals and model-family index

Use the family index before you assume backwash, cartridge-cleaning, or clamp procedures are interchangeable.

Owner vs pro boundaries

Use the boundary guide when the filter work crosses into pressure-vessel teardown, clamp bands, live electrical, or anything the manual says is service-only.

Manual library

Browse the manual library when you want the source documents rather than chasing vendor links.

Filter service deep dive

Use the deeper filter-service workflow when cartridge sealing, D.E. recharging, sand channeling, or tank teardown is the actual problem.

Vacuuming and waste workflows

Use the cleanup workflow when heavy debris needs to go through the waste line instead of the filter.

Emergency troubleshooting

Use the fault guide when the circulation problem is really a power, pump, or startup failure.

Clean & Clear Plus owner manual, cast clamp models

Source-hosted owner manual for cartridge-filter cleaning, seal inspection, and reassembly. Official source: pentair.com.

Quad D.E. owner manual, cast clamp models

Source-hosted owner manual for D.E. teardown, backwash, and recharge service. Official source: pentair.com.

Sand Dollar installation and user guide

Source-hosted owner manual for sand-filter backwash, valve operation, and media care. Official source: pentair.com.

Tagelus owner manual

Source-hosted owner manual for sand-filter backwash, valve operation, and media care. Official source: pentair.com.

SwimClear owner manual

Hayward owner manual for the SwimClear C2030/C3030/C4030/C5030/C7030 family. Official source: commerce.hayward-pool-assets.com.

ProGrid owner manual

Hayward owner manual for the current ProGrid vertical-grid D.E. family. Official source: commerce.hayward-pool-assets.com.

ProSeries owner manual

Hayward owner manual for the ProSeries high-rate sand family. Official source: commerce.hayward-pool-assets.com.

XStream cartridge filter manual

Hayward XStream current cartridge-filter manual. Official source: commerce.hayward-pool-assets.com.

Jandy CS manual

Jandy CS cartridge filter installation and operation manual. Official source: cdn.fluidrausa.com.

Jandy CV/CL manual

Jandy CV/CL cartridge filter installation and operation manual. Official source: cdn.fluidrausa.com.

Jandy DEV manual

Jandy DEV diatomaceous earth filter I/O manual. Official source: cdn.fluidrausa.com.

Jandy JS manual

Jandy JS fiberglass side-mount sand filter manual. Official source: cdn.fluidrausa.com.

Jandy SFTM manual

Jandy SFTM top-mount sand filter installation and operation manual. Official source: cdn.fluidrausa.com.

Jandy SFSM manual

Jandy SFSM side-mount sand filter installation and operation manual. Official source: cdn.fluidrausa.com.

Educational guidance only. Verify labels, manuals, local code, and site conditions before acting. Stop for electrical, gas, structural, drain, drowning, injury, emergency, or chemical-mixing risk.

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