Navien NPE-32AWE, Installation Manual

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2 Contents
1. S afety Information 3
2 . A bout the W ater Heater 7
2. 1 Items In cl uded 7
2.2 A cc essories 7
2.3 S pe c ifi c ations 8
2.4 T he Front Pane l 1 0
2.5 Components 11
2.6 Dimensions 1 3
3 . Installing the W ater Heater 15
3. 1 Choosing an Insta ll ation Lo c ation 1 5
3.2 Mounting the Water Heater to the Wa ll 17
3.3 Conne c ting the Gas S upp l y 1 8
3.4 Conne c ting the Water S upp l y 2 1
3.5 Conne c ting the Condensate Drain Line 2 7
3.6 F l ue S ystem 28
3. 7 E l e c tri c a l Conne c tions 35
3.8 S etting the DIP S wit c hes 36
4 . Installing a Cascading S ystem 3 8
4. 1 Conne c ting Water S upp l ies 38
4.2 Conne c ting the Communi c ation Cab l es 39
5. Installation Checklist 4 1
6. Maintaining the W ater Heater 42
6. 1 C l eaning the Water Heater 42
6.2 Draining the Water Heater 42
6.3 C l eaning the Heat Ex c hanger 43
6.4 C l eaning the In l et Water Fi l ter and R e c ir c u l ation In l et
Fi l ter 45
6.5 Prote c ting the Water Heater from Free z ing 46
7. A ppendixes 4 7
7 . 1 Gas Conversion 4 7
7 .2 T e c hni c a l Data 52
7 .3 Wiring Diagram 55
7 .4 Ladder Diagram 56
7 .5 Component Assemb l y Diagrams and Parts Lists 58
Contents