Pentair 250 User Manuals

Table of Contents

• Introduction

  3
• Important Notices

  3
• Code Requirements

  3
• Warranty Information

  4
• Operation

  4
• Safety Rules

  4
• HSI (Hot-Surface Ignition) Lighting/Operation - Natural Gas

  5
• Installation Instructions—Specifications

  6
• Installation — Electrical

  7
• Installation — Water Connections

  13
• Installation — Plumbing

  13
• Installation — Gas Line

  14
• Pipe Sizing Chart/Gas Pressure Requirements

  14
• Regulated Manifold Pressure Test

  14
• Venting — Outdoor Installations

  19
• Basic Operation — General Description

  20
• Basic Operation — HSI Ignition Module

  22
• Thermostat (Programming & Layout)

  23
• Maintenance

  26
• Maintenance Instructions

  26
• Pressure Relief Valve

  26
• Maintenance (Water Treatment)

  27
• Trouble Shooting

  28
• Troubleshooting (General)

  32
• MiniMax NT Low NOx Parts List & Exploded View (Single Voltage)

  33
• MiniMax NT Low NOx Parts List & Exploded View (Dual Voltage)

  35