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Grundfos PHT A-F225 User Manual

Grundfos PHT A-F225
40 pages
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GRUNDFOS INSTRUCTIONS
PHT A Pressurisation unit
Installation and Operating Instructions
Models: PHT A N/D/F/T/V
Residential and Commercial
ORIGINAL INSTRUCTIONS
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Grundfos PHT A-F225 Specifications

General IconGeneral
BrandGrundfos
ModelPHT A-F225
CategoryIndustrial Equipment
LanguageEnglish

Summary

Product Identification and Operating Principles

Operating Principles

Explains the core function of the PHT A pressurisation equipment in maintaining system pressure.

Standard Pressurisation Unit Operation

Twin System Pressurisation Unit Operation

Glycol Pressurisation Unit Operation

Installation Requirements and General

Equipment Earthing

Emphasizes the critical safety requirement for earthing the equipment.

System Controller Overview

Controller Front Screen Components

Explains the ON/OFF switch, display panel, keypad, and status LED indicators.

Programming the PHT A Controller

Overview of the controller's design, ease of use, and programmable outputs.

Controller Operation and Display

Main Operating Screen

Details how the screen displays status, pressure, date, and time during operation.

Controller Menu Navigation

Controller Function Tree

Fault Indication and Logging

Fault Indication

Explains how fault conditions are displayed on the operating screen and navigated.

Fault Log

Describes the storage, access, and clearing of historic fault conditions.

Controller Outputs and Data Management

Programmable Outputs and Alarm Configuration

General Installation and Commissioning

Installation Procedures: Float Valves

Float Valve Adjustment (N/D/V Models)

Details fitting filter, restrictor, and adjusting water shut-off level for N/D/V units.

Pump and Glycol System Setup

Float Valve Adjustment (F/T Models)

Explains optimizing float position for F/T unit float valve adjustment.

Pump Priming

Instructions on how to prime the pumps to prevent dry running damage.

Glycol Settings

Details factory settings and adjustment table for glycol concentration.

Installation Checklist

Commissioning Checklist

Commissioning Record

Connection Diagrams

Wiring Diagram

Fault Finding Guide

CIM Module Installation

Quick Guides: Operational Tasks

Quick Guides: System Checks and Manual Operation

Quick Guides: Log Management and Settings

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