P/N 472089
Rev. B 4-5-02
2
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 ............................................................................................
6
Specifications ............................................................................................................................................................................
6
Installation — Electrical .............................................................................................................................................................
7
Installation — Remote Hook-Ups (2 and 3 Wire) .......................................................................................................................
8
Installation — Operating Controls .............................................................................................................................................. 9 - 10
Installation — Troubleshooting (Controls) .................................................................................................................................. 10 - 11
Installation — Wiring Diagram ...................................................................................................................................................
12
Installation — Water Connections ..............................................................................................................................................
13
Installation — Plumbing .............................................................................................................................................................
13
Installation — Gas Line .............................................................................................................................................................
14
Pipe Sizing Chart/Gas Pressure Requirements .........................................................................................................................
14
Regulated Manifold Pressure Test .............................................................................................................................................
14
Venting — Indoor Installations ................................................................................................................................................... 15 - 18
Venting — Outdoor Installations ................................................................................................................................................
19
Basic Operation — General Description ....................................................................................................................................
20
Basic Operation — Safety Controls ...........................................................................................................................................
21
Basic Operation — HSI Ignition Module ....................................................................................................................................
22
Maintenance ............................................................................................................................ 23
Maintenance Instructions ...........................................................................................................................................................
23
Pressure Relief Valve ................................................................................................................................................................
23
Maintenance (Water Treatment) ................................................................................................................................................
24
Trouble Shooting ....................................................................................................... 25
Troubleshooting (General) .........................................................................................................................................................
25
Troubleshooting (Service Checks - Ignition Module) .................................................................................................................
25
MiniMax NT Low NOx
Parts List & Exploded View (Dual Voltage) ............................................
26-27
Warranty Information .................................................................................................
Back Cover
