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Dimensions <br /> 18.3" <br /> • 17.6" <br /> 0.4' 9.4' <br /> FLUE COLLAR 04" <br /> m <br /> 3.7' <br /> 1.1" <br /> 164' <br /> [� J4" r4. I <br /> LED AIR INLET 1 1Et0EC%LAR <br /> AIR INLET <br /> " O <br /> LED <br /> °°o°P°P'o°o°o'a°°°oe°a <br /> e°n°o°°coo <br /> ............. <br /> eeaoo0a0P <br /> oo0°POeo¢o0000O0 <br /> 04. AIR INLET DV Model <br /> WIRINGTHROUGHWAYS GAS INLET <br /> HEIGHT OF EACH HITTING <br /> FROM BOTTOM OF CASE <br /> WATER DRAIN VALVF Nriso� <br /> (WATER FILTER) ZHATER'-MLT ;�IAHOT WATER OUTLET COLD WATER€NLETWATERDRAINVALVE WIRINGTHROUGHWAY <br /> (I20VAQ <br /> Flow Rates Pressure Loss <br /> 55 <br /> Temperature Rise(°F) 70 100 0 <br /> es -- -- -- -- --- - ----------------- - - --- too <br /> 1-unit 6.0 4.2 <br /> 2-unit 12.0 8.4 <br /> set temperature:120'F cr lase <br /> 35 <br /> - -' {Storage Tank Settirsystem <br /> 3-unit 18.0 12.6 C°no- less) <br /> 25.2 <br /> Flow Rate(GPM) 6-unit 36.0 30 --- - --------- --- ---- i- - ° <br /> v <br /> J 25 Set temperalr,re:125-F System -. ,- .-t--. _____ <br /> M <br /> 9-unit 54.0 37. to <br /> 8 ForMgher-- <br /> (Storage Tank SetN1g ; p <br /> Con6nller.170-180'FI ' so LL <br /> 12-unit 72.0 50.4 n I '---------- -----'-----'r- <br /> 24-unit 144.0 100.8 ao <br /> m <br /> a` s .. --- <br /> 30 <br /> 1-unit 360 252 10 <br /> 2-unit 720 504 s .---; l- _- 0 <br /> 3-unit 1080 756 0 <br /> 0 <br /> Flow Rate(GPH) 6-unit 2160 1512 0.0 1n 2.0 3.o 4.0 so ao 7.0 ao 9.0 10.0 n.o }zo 13.0 <br /> Flow Rate(gpm) <br /> 9-unit 3240 2268 <br /> 12-unit 4320 3024 NOTE:For Quick-Connect and Multi-System installations,pressure loss remainsconstant <br /> throughout the system regardless ofthe number of units installed.Multiply the total <br /> 24-unit 8640 6048 number of units in the system by the required Bow rate from each unit to determine <br /> the total pressure loss from the chart above. <br /> Power Supply and Consumption Temperature Settings and Options <br /> Model Name Supply Consumption Temperature Settings 100-150'F (in 5°F intervals),160,170, <br /> NG:64W Freeze *180eF(14Options) <br /> NC250-SV-ASME 120VAC(60 Hz), LP:77W Prevention:145W Default Temperature Options 120,130,140,*180°F(Default is 120'F) <br /> NC250DVASME lessthan3amps NG:85W Freeze *181.4`Factualoutput temperature <br /> LP:t00W Preventiom 161W <br /> Specification <br /> Commercial,gas-fired,wall-mounted water heater(s)shall bed lrect/power vent Model NC250 Series as manufactured by Noritz America Corporation.The water <br /> heater(s)shall have a 5-year limited Heat Exchanger warranty and a 5-year limited Pans warranty per Noritz Limited Warranty.Unit(s)shall be designed to burn <br /> natufal/propane gas and certified by CSA International to the latest edition of ANSI standard Z21.10.3/CSA 4.3.Water heater(s)shall have a nominal Flow rate <br /> capacity of GPH @ 100°F rise with rated input of BTU/hr.Water heater(s)shall be vented with 4"Category III stainless steel vent pipe at a distance <br /> not to exceed 15'(or equivalent)with 3 elbows for SV models and 45'(or equivalent)with 3 elbows for DV models terminating vertically or horizontally.Water <br /> heater(s)is rated for 150 PSI working water pressure and 300 PSI test pressure.Gas supply pressure shatl be 4.0"to 1 Q5"WC for natural gas and 8.0"to 14.0"WC for <br /> propane.Unit(s)shall have a stainless steel case,copper heat exchanger,stainless steel dual-flame burner,aluminum gas control valves,3/4"inlet gas connection, <br /> 3/4"brass inletioutlet water connections,and water holding capacity of 0.3 gallons.The power vent(-SV)and direct vent(-0V)models each weight 62 lbs.Unit(s) <br /> shall include features such as an adjustment for high elevation installations,temperature lockout,and 14 temperature options from 100-150 in 5°F intervals and <br /> 160-1 BO'F in 10°F intervals.The heater(s)shall be controlled by an internal circuit board that monitors the inlet and outlet temperatures with installed thermistors, <br /> sensing and controlling flow rate to set point temperature with air-fuel ratio controls in order to maintain thermal combustion efficiency.Unit(s)shall include safety <br /> features such as flame sensor system,thermal cut-off fuses,lightning protection device,overheat prevention device,freeze protection device,and fan rotator detector. <br /> Multi-system applications that require 2 units shall be installed by connecting the units using a single cable-only connection(Quick-Connect).Applications that require <br /> 3 to 24 units shall use a multi-unit central controller(System Controller).The water heater(s)exceeds the energy efficiency requirements of ASHRAE 90.1 b-1992 and <br /> listed by SCAQMD rule 1146.2 Low NOx. <br /> Noritz America reserves the right to discontinue,or change at any time,the designs and/or specifications of its products without notice. <br /> Rev.3/11 <br />