User Guide

2
Introduction
IncludedParts
ThefollowingpartsaresuppliedintheCommercial
Multi‐RackSystem.Checkforanymissingitems
beforestartingtheinstallation.




ThismanualcoverstheinstallationoftheNoritzCommercialMulti‐RackSystem(#MR‐2)forcommercial
tanklesswaterheatermodels.ThemodeltypecanbeverifiedfromtheRatingPlatelocatedonthewater
heaterinordertocheckforcompatibility(seebelow).Pleasereadthefollowinginstructionscompletely
beforestarting
theinstallation.

CompatibleNoritzCommercialModels: 
 NC199Series*
 NCC199Series
 NC250Series
 NC380‐SV‐ASME

Parts/ToolsRequired:
 PhilipsScrewdriver
 SocketWrench
 Level
 Pencil/Marker
*NC199seriesmodelswillrequireadditionalpre‐drilled
holesontheRackTopand/ortheAdjustableMounting
Plateforadirectfittothemountingbracketsonthe
waterheater.SeeNoteonPage4.