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Table of Contents

 

Section I. Heater Identification Information

4

Section II. Introduction

5

Important Notices

5

Warranty Information

5

Code Requirements

6

Consumer Information and Safety

6

Section III. Installation

7

Specifications

7

Plumbing Connections

8

Valves

8

Manual By-Pass

8

Below Pool Installation

8

Water Connections

9 - 10

Gas Connections

11

Sediment Traps

11

Gas Pipe Sizing

12

Testing Gas Pressure/Gas Pressure Requirements

13

Indoor Venting—General Requirements

14

Indoor (USA) / Outdoor (Canada) Installations

15

Combustion Air Supply

16

Vent Adaptors

16

Indoor Installations —Venting Guidelines

17

Outdoor Installations —Venting Guidelines

18

Outdoor Vent Kit

18

Electrical Connections

19

Wiring Diagram—NT LN with DDTC

20

Section IV. Operation

21

Basic System Operation

21

HSI (Hot-Surface Ignition) Lighting/Operation

21

Safety Controls

22 - 23

Digital Display Temperature Controller (DDTC)

24 - 27

Section V. Troubleshooting

28

Troubleshooting (DDTC)

28

Troubleshooting (General)

29

Service Checks - Ignition Module

29

Section VI. Maintenance

30

Maintenance Instructions

30

Pressure Relief Valve

30

Energy Saving Tips

30

Spring, Fall and Winter Operation

31

Chemical Balance

32

Replacement Parts — NT LNw/DDTC

33 - 34

Rev. E 4-19-05

P/N 472089

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Pentair MiniMax NT LN installation manual Table of Contents