D20, MP5F Free Chlorine (formerly MP5A) and MP-TOTAL manuals.
Match the sensor model, controller and firmware to the manual before installation or service. The updated free chlorine guide is labeled MP5F (formerly MP5A). Earlier editions remain available below for existing equipment.
D20 + MP5F Free Chlorine (formerly MP5A) Product Guide
October 15, 2026 · 66 pages · English · 4.3 MB PDF.
MP5F (also written MP-5F) is the current free chlorine product name. If your sensor or older guide says MP5A, start here and confirm the model, serial number and firmware before service.
This updated guide remains a draft for review, not an approved installation or service manual. Follow the approved instructions and drawings for your installed equipment.
Earlier MP5A manuals
These earlier editions retain their original names. Match the document to your installed equipment.
D20 specifications and communications · Wet-tap, side-stream and immersion installation
MP-TOTAL and monochloramine
The earlier D20 MP-Mono R1.04 link now opens the current published MP-TOTAL guide. Check compatibility with your installed configuration; contact support if you need the earlier edition.
한국어 구형 설명서 — OM-MAN R4.2.5KR
기존 한국어 설명서를 찾고 계신가요? 현재 이 사이트에는 해당 원본 파일이 없습니다. 센서 모델, 일련번호 및 펌웨어 버전을 알려 주시면 지원팀에서 적합한 설명서를 안내해 드립니다.
The original Korean OM-MAN R4.2.5KR file is not available in this site's archive. The manuals above are English editions, not a replacement Korean translation.
Firmware 4.80 and earlier
The original archived manual for firmware 4.80 and earlier is not available here. Request the matching edition from support; do not assume a newer manual applies to older firmware.
Request an earlier manual