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Grundfos PHT A N User Manual

Grundfos PHT A N
40 pages
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www.grundfos.co.uk
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 N Specifications

General IconGeneral
SeriesPHT
MaterialCast Iron
CategoryIndustrial
Pressure RatingPN10
Connection TypeFlanged

Summary

Manual Overview and Scope

About This Manual

Provides information on the manual's content and scope for PHT A products.

Document Symbols and Warnings

Explains the meaning of symbols and warnings used in the document.

Scope of Instructions

Defines the applicability of these installation and operating instructions to PHT A products.

Product Identification and Operating Principles

Product Identification

Details the information found on the PHT A unit's silver label.

Operating Principles Overview

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

Standard Pressurisation Unit

Describes the schematic and components of the standard PHT A unit.

Twin System Pressurisation Unit

Explains the design for providing top-up to two systems independently.

Glycol Pressurisation Unit

Details the unit designed to deliver a mix of water and glycol into a single system.

General Information and Requirements

Delivery, Inspection, Warranty and Storage

Guidelines for unit delivery, inspection, warranty, and site storage.

Operating Environment and Location

Details on environmental conditions, installation location, and general requirements.

Operating Conditions and Wall Fixings

Lists operating conditions, electrical loads, and wall fixing dimensions.

Product Weights

Lists gross and net weights for various PHT A models.

System Controller Operation

Controller Overview and Programming

Describes controller components, basic programming, and start-up sequence.

Operating Screens and Menu Navigation

Explains main operating screens, fault indication, and menu system navigation.

Menu Entry and System Navigation

Explains accessing menus, navigating, editing values, and exiting the system.

Function Tree and Fault Logging

Details the function tree, fault indication, logging, and uploading procedures.

Fault Indication and Logging

Explains how faults are displayed, navigated, logged, and acknowledged.

Digital and Programmable Outputs

Explains digital outputs, interlock, general fault, and programmable outputs.

Installation and Commissioning

General Installation Guidelines

General safety precautions and requirements for installation.

Pump Priming and Float Valve Adjustment

Procedures for pump priming and float valve adjustment for different models.

Glycol Settings and Priming

Covers glycol settings for the V model and pump priming procedures.

Installation Checklist

A step-by-step checklist for performing the installation of the PHT A unit.

Commissioning Checklist

A checklist to ensure all commissioning steps are completed correctly before operation.

Commissioning Record

A form for recording all parameters and settings during unit commissioning.

User Maintenance

Preventative and Annual Servicing

Recommends planned preventative maintenance and annual servicing by qualified personnel.

Connection Diagrams

Connection Drawing Overview

Provides a diagram showing the connections for all PHT models.

Detailed Wiring Diagram

Illustrates the detailed wiring connections for the PHT models.

Spare Parts and De-commissioning

Spare Parts List

Lists available spare parts with their part numbers and included items.

De-commissioning Procedures

Covers procedures for taking the unit out of service.

Dismantling and Disposal Guidelines

Details safe dismantling and proper disposal procedures for the unit.

Fault Finding Guide

Troubleshooting Common Faults

Lists common fault messages, their conditions, and recommended remedies.

CIM Modules and Installation

CIM Module Overview

Describes optional CIM modules for BACnet or Modbus communication.

CIM Card Fitting Procedure

Outlines the step-by-step procedure for fitting the CIM card to the main board.

Quick Guides for Operations

Clearing Warnings and Faults

Guides on clearing excess consumption warnings and flood protection faults.

System Settings and Pump Operation

Guides on checking system settings and manually operating pumps.

Log Management and Service Reminders

Guides for clearing fault/settings logs and resetting service reminders.

History Log and Notes

Recording History and Notes

A section for recording history log entries and general notes.

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