Pentair NT Series User Manual
Rev. E 4-15-05
P/N 472235
3
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 STD & TSI 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 - 28
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 STD& TSI w/DDTC .......................................................................................................................... 33 - 37
Chauffe-eau pour piscine et spa MiniMax
®
NT
/Guide d'Installation et de Fonctionnement ..........................
36-72