Navien NP Condensing Tankless Gas Water Heater - Service Manual
Navien NP Condensing Tankless Gas Water Heater - Service Manual
Navien NP Condensing Tankless Gas Water Heater - Service Manual
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Contents<br />
REVISIONS 5<br />
NAVIEN WARRANTY 6<br />
HANDLING OF THIS MANUAL 9<br />
ABBREVIATION AND DEFINITION 10<br />
1. SAFETY CONSIDERATIONS 11<br />
1.1. SAFETY DEFINITIONS 11<br />
1.2. LIST OF SAFETY SYMBOLS IN THIS MANUAL 11<br />
1.3. SYMBOLS USED THE INSTRUCTIONS 11<br />
1.4. SAFETY PRECAUTIONS 12<br />
2. PRODUCT INFORMATION 17<br />
2.1. PRODUCT INFORMATION 17<br />
2.2. LAYOUT AND KEY COMPONENTS 18<br />
2.2.1. NR-A Model 18<br />
2.2.2. <strong>NP</strong>-A Model 19<br />
2.2.3. NR Model 20<br />
2.2.4. <strong>NP</strong> Model 21<br />
3. TECHNICAL DATA 22<br />
3.1. GENERAL SPECIFICATIONS 22<br />
3.2. DIMENSIONS 23<br />
3.2.1. NR-A, <strong>NP</strong>-A Model 23<br />
3.2.2. NR, <strong>NP</strong> Model 24<br />
4. SYSTEM DETAILS 25<br />
4.1. SCHEMATIC AND FLOW DIAGRAM 25<br />
4.1.1. NR-A Model 25<br />
4.1.2. <strong>NP</strong>-A Model 26<br />
4.1.3. NR Model 27<br />
4.1.4. <strong>NP</strong> Model 28<br />
4.2. OPERATION FLOW CHART 29<br />
4.3. DIP SWITCH SETTINGS 34<br />
4.4. WIRING DIAGRAM 36<br />
4.4.1. NR-A Model 36<br />
©<strong>Navien</strong> America Inc. 2010<br />
1<br />
NR/<strong>NP</strong> series service <strong>Manual</strong><br />
Version 2.0
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