Noritz NC380-SV-ASME Owner'S Manual Download Page 8 | Manualshive

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8

Indoor/Outdoor Wall Mounted, Power Vented Model

* The above illustration shows an example of installation.

The exact installation configuration may be slightly different.

Main Unit

Flue Collar

Front Cover

Air Inlet

Water Supply Valve

Gas Supply Valve

Water Filter

(Inside Water Inlet)

(

p.19)

Pressure Relief Valve

General Parts

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Summary of Contents for NC380-SV-ASME

Page 1: ...followed exactly a fire or explosion may result causing property damage personal injury or death WARNING Thank you for purchasing this Noritz Tankless Gas Water Heater Before using please Read this manual completely for operation instructions Completely fill out the warranty registration card included separately and mail the detachable portion to Noritz America Corporation Keep this manual and the...

Page 2: ...rdous situation which if not avoided may result in property damage CAUTION Be sure to do Ground Electric Shock DANGER Icons warning of risk level Important Safety Information 1 This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death Vapors from flammable liquids will explode and ...

Page 3: ...ot plug or remove the valve Failure to follow these instructions can result in fire or explosion and personal injury or death Prohibited Continued A This water heater does not have a pilot It is equipped with an ignition device that automatically lights the burner Do not try to light the burner by hand B BEFORE OPERATING smell all around the water heater area for evidence of leaking gas Be sure to...

Page 4: ... an indoor environment by means of adding walls and ceiling Do not en close using corrugated sheets etc Carbon monoxide poisoning or fire may occur as a result Exhaust vent terminal Prohibited Do not place combustibles such as laundry newspapers oils etc near the heater or the exhaust vent terminal Exhaust vent terminal indoor installation Prohibited Carbon Monoxide Poisoning Hazard Do not install...

Page 5: ...ure to do Do not allow small children to play unsupervised in the bathroom Do not allow small children to bathe unsupervised Do not touch the power cord with wet hands Electric Shock Don t touch with a wet hand Prohibited Contact Noritz before using with a solar pre heater Contact a qualified service technician for any necessary repairs service or maintenance Consult the nearest Noritz agent if th...

Page 6: ...on up to 4500 ft above sea level For installations at higher elevations contact Noritz America for Instructions Check ignition during use and extinction after use Take necessary measures to prevent freezing of water and leakage of gas when leaving the unit unused for long periods of time p 17 Do not use parts other than those specified for this equipment If it is snowing check the air inlet exhaus...

Page 7: ... 8 Remote Controller 9 Initial Operation 10 How to Use Muting the Remote Controller 11 Setting and Using the Water Heater 12 Flow Meter Alarm 14 Preventing Damage from Freezing 16 Regular Maintenance 18 Troubleshooting 20 Follow up Service 25 Specifications 26 Contents ...

Page 8: ...illustration shows an example of installation The exact installation configuration may be slightly different Main Unit Flue Collar Front Cover Air Inlet Water Supply Valve Gas Supply Valve Water Filter Inside Water Inlet p 19 Pressure Relief Valve General Parts ...

Page 9: ...Buttons Before use remove the protective sheet from the remote controller surface Temperature Setting Ex 110 F Flow Meter Setting The display will flash after hitting the flow meter alarm set button p 15 Error Code When this indicator is lit the hot water temperature can be set p 12 What is actually displayed depends on how the water heater is set A number will flash if a failure occurs p 23 Prior...

Page 10: ...llowing preparations Follow steps 1 through 4 1 Open the water supply valve Open a hot water fixture to confirm that water is available and then close the fixture again 3 Open the gas supply valve Hot water fixture 2 Turn on the power CLOSED 4 OPEN Do not touch with wet hands ...

Page 11: ...hed This sound can be muted if it is desired 1 How to Use Muting the Remote Controller Initial factory setting is with sound Sound Muted No sound after 5 sec 1 Hold the Power On Off Button for five seconds Tone sounds after 5 sec The flow meter alarm cannot be muted ...

Page 12: ...cause severe burns instantly or death from scalding Children disabled and elderly are at the highest risk of being scalded Feel water temperature before bathing or showering Temperature limiting valves are available ask professional person When setting the unit to 125 F or higher the temperature display will flash for 10 seconds as a high temperature warning Take caution when using the unit again ...

Page 13: ...ime of year Initial factory setting is 110 F If fixtures incorporate mixing valves set the temperature higher than usual For most residential applications the recommended setting temperature is 120 F or less For applications that occasionally require a higher temperature setting locate the remote controller in a convenient location Consult local codes for minimum operating temperatures 100 105 110...

Page 14: ...f Button Plug the bath drain Preparation Starting with the power off Always check temperature setting before use Hot Cold On The temperature will be displayed on the remote control thermostat Previous set temperature example 110 F On Check the indicator lights Water temperature 1 ...

Page 15: ...ons 10 60 In 5 gallon intervals 70 100 In 10 gallon intervals or 990 gallons Note The alarm will not sound if it is set for 990 gal Note The alarm will not sound if it is set for 990 gal On Flow meter setting will be flashing ex 45 gal The level can only be adjusted while the indicator is flashing After ten seconds the remote will again display the temperature Off If the flow meter alarm is being ...

Page 16: ...prox 1 minutes and then check that the number 11 is flashing on the remote controller display If multiple units are being used drain one minutes for each unit It is possible that a different number may be displayed on the remote controller but as long as it is flashing you may continue 4 Partially close the hot water fixture but keep a small amount of hot water running 0 1 gal minute or about 0 2 ...

Page 17: ...n the water out of the unit 6 When the water is completely drained replace all drain plugs and close the hot water fixtures If the water heater will not be used for a long period of time Drain the water Drain the water as follows To avoid burns wait until the equipment cools down before draining the water The appliance will remain hot after it is turned off High Temperature Drain water into a buck...

Page 18: ...tant but not water proof Keep it as dry as possible Regular Maintenance Periodic Inspection Check For laundry newspaper timber oil spray cans and other combustible materials Equipment Remote Controller Wipe the surface with a wet cloth For abnormal sounds during operation For abnormalities in external appearance discoloration or flaws For water leaks from the equipment and piping For dust or debri...

Page 19: ...a pressure relief valve for the hot side Contact Noritz for more information 1 Close the water supply valve 2 Open all hot water fixtures 3 With a bucket ready remove the inlet and outlet drain plugs about 0 6 gal will drain out 4 Take the water filter out of the inlet See illustration to right 5 Clean the filter with a brush under running water 6 Replace the water filter and close the drain plugs...

Page 20: ...emanded it is possible for the temperature to be higher than the temperature set on the remote controller If the supply water goes through a solar pre heating system it is possible for the temperature to be higher than the temperature set on the remote controller The water is too hot Have you allowed enough time for the cold water in the pipes to drain out Water takes time to become hot when turni...

Page 21: ...n the set amount When hot water is used for other fixtures while filling the bath tub the tub will not fill as much If there is water in the tub already or when filling is stopped and restarted the tub will fill more The flow meter alarm does not sound even when filled to the set amount The flow meter alarm is set to sound when hot water is continuously discharged for the set volume of water If mi...

Page 22: ...pply cut off Is the hot water fixture sufficiently open Is the gas being cut off by the gas meter Can other gas devices such as stoves be used For LP Is there enough gas in the tank Can other gas devices such as stoves be used This is normal The white smoke is actually steam White smoke comes out of the exhaust vent on a cold day Other Sounds The plastic on the surface or buttons of the remote con...

Page 23: ...rom the drain plugs as a safety so that the unit is not damaged by the high pressure åÃè ï é Ç Ç í Ç Ç ÇæÇ Ç åÃè ï é Ç Ç í Ç Ç ÇæÇ Ç Water Quality Damage to the water heater as a result of poor water quality is not covered by the Limited Warranty To ensure full warranty coverage treat or condition water that exceeds the target levels provided in this table Source EPA National Secondary Drinking Wa...

Page 24: ...ly pressure Contact the nearest Noritz agent Abnormal combustion low gas supply pressure Error Code Cause Action If the alarm doesn t sound Open a door or window to let air in Close the hot water fixtures Press the power button to turn the unit off If the error code does not return when the unit is turned back on the unit was not getting enough air If there is a range hood or kitchen fan in the ro...

Page 25: ...it is deemed repairable Period of Time for Stocking Repair Parts Noritz will stock repair and maintenance parts for this unit within twelve 12 years of the date of original installation Reinstallation Warranty If you want to reinstall the appliance at a different location confirm that the gas and power supply indicated on the rating plate are available at the new location If you are not sure consu...

Page 26: ...r notice The capacity may differ slightly depending on the water pressure water supply piping conditions and water temperature Performance Item Model Name Type Ignition Operating Pressure Minimum Flow Rate Dimensions Weight Water Holding Capacity Accessories Installation Air Supply Exhaust Connection Sizes Power Supply Materials Water Inlet Hot Water Outlet Gas Inlet Supply Consumption Casing Flue...

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