Table Of Contents - Navien NR-180 Installation Manual

Navien Gas Water Heater Operation
█ Installation Manual - Contents
Accessories
Specifications
Components & Dimensions
Warnings
Rating Plate
Location Selection
Plumbing
Pressure Relief Valve
Condensate Disposal
Gas Piping
Gas Pressure Testing
Venting
Electrical Connections
Remote Cotroller Installation -------------------------------------------------------------------- 37
PCB Board Settings
Cascade Connection and Set-up Procedures ----------------------------------------------- 39
DIP Switch Settings
Installation Checklist
Factory Setting of DIP Switch ------------------------------------------------------------------
Completing the Install
Wiring Diagram
Ladder Diagram
Components Diagram & Parts List ------------------------------------------------------------- 65
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Included with the Water Heater -------------------------- 3
Optional Accessories --------------------------------------- 4
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Key Components : NR-A ----------------------------------- 6
Key Components : NP-A ----------------------------------- 7
Dimensions : NR-A,NP-A ---------------------------------- 8
Key Components : NR -------------------------------------- 9
Key Components : NP -------------------------------------- 10
Dimensions : NR, NP --------------------------------------- 11
Installation Warnings ---------------------------------------- 12
Getting Started ------------------------------------------------ 13
Check Rating Plate ------------------------------------------ 14
Locating the Water Heater -------------------------------- 15
Mounting the Unit to the Wall ----------------------------- 16
Plumbing and Water Connection Guidelines --------- 17
Water Piping Guidelines ----------------------------------- 18
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Disposal of Condensate ----------------------------------- 20
Condensate Drain & Cleaning --------------------------- 21
Gas Piping Guidelines ------------------------------------- 22
Gas Supply Line Pressures ------------------------------- 22
Gas Piping Sizing Chart ----------------------------------- 23
Measuring Inlet Gas Pressure ---------------------------- 24
Warning -------------------------------------------------------- 25
Venting Guidelines ------------------------------------------- 25
Contaminated Make-up Air Will Damage the Unit ---- 28
Exhaust Vent Pipe Materials ------------------------------- 28
Venting Clearances ------------------------------------------ 29
Allowable Vent Lengths ------------------------------------- 30
Vent Configuration Options -------------------------------- 31
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