Noritz ecoTOUGH GQ-C2857WS Owner'S Manual Download Page 3

No flame.

(Continued)

WARNING

Be sure 

to do.

When a gas leak is noticed:

1.  Stop use immediately

2.  Close the gas valve

[NRC98DV]

3.  Open windows and doors

If you detect abnormal combustion 

or abnormal odors, or during an 

earthquake, tornado or fire:

1.  Turn off the hot water supply

2.  Turn off the power to the water 

heater

3.  Turn off gas and water supply 

valve.

4.  Call the nearest Noritz agent

Be sure 

to do.

Do not allow anyone to change the water 

temperature while hot water is being used.

To prevent scalding, do not change the  

water temperature to a higher setting.

Prohibited

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 smell next to the floor because 

some gas is heavier than air and 

will settle on the floor.

 

WHAT TO DO IF YOU SMELL GAS.

  • Do not try to light any 

appliance.

  • Do not touch any electrical 

switch; do not use any phone 

in your building.

  • 

Immediately call your gas 

supplier from a neighbor’s 

phone. Follow the gas supplier’s 

instructions.

  • 

If you cannot reach your gas 

supplier, call the fire department.

C. Use only your hand to turn 

the gas valve knob. Never use 

tools. If the knob will not turn by 

hand, don’t try to repair it. Call 

a qualified service technician. 

Force or attempted repair may 

result in a fire or explosion.

D. Do not use this water heater if 

any part has been under water. 

lmmediately call a qualified 

service technician to inspect the 

water heater and to replace any 

damaged parts.

(Continued)

Prohibited

Check the temperature 

of the running hot water 

before entering the 

shower.

Check the temperature  

before stepping into  

the bath tub.

High  

Temperature.

Explosion Hazard ;
If the temperature and pressure relief 

valve is dripping or leaking, have a 

qualified service technician replace it. 

Do not plug or remove the valve.

Failure to follow these instructions can re

-

sult in fire or explosion, and personal injury 

or death

Prohibited

[NRC98DV]

Do not use the water heater 

if the intake/exhaust pipe is

 

displaced, has holes, is 

clogged or is corroded.

After the water heater has been out of 

use for a long time make sure that you 

fill the condensate trap with water.

This is to prevent dangerous exhaust 

gases from entering the building.

Failure to fill the condensate trap could 

result in severe personal injury or death.

(Refer to page 20 for further instructions.)

Be sure 

to do.

Prohibited

[NRC98OD]

Do Not Install Indoors.

This will cause carbon 

monoxide poisoning and 

a potential fire hazard.

Indoor

Be sure 

to do.

[When supplying combustion air 

from the indoors]
Check whether or not the air 

supply vent is blocked with

 

dust, trash, a towel, or the like.

Blocking the opening may result 

in incomplete combustion.

Towel

Air supply vent

Summary of Contents for ecoTOUGH GQ-C2857WS

Page 1: ...MANUFACTURED HOME APPLICATIONS SBB80JP Thank you for purchasing this Noritz Tankless Gas Water Heater Before using please Read this manual completely for operation instructions Completely fill out the...

Page 2: ...s 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 sy...

Page 3: ...ry to repair it Call a qualified service technician Force or attempted repair may result in a fire or explosion D Do not use this water heater if any part has been under water lmmediately call a quali...

Page 4: ...blown by the wind causing malfunction or fire as a result Prohibited Outdoor Leave the proper clearance between the water heater and nearby objects trees timber boxes with flammable materials etc Be...

Page 5: ...unit Do not turn off the water heater while someone is bathing Prohibited Do not use a broken or modified power cord Do not bind bend or stretch power cords Do not scratch modify or subject them to i...

Page 6: ...zen water within the device and pipes even in warm environments Be sure to read below for appropriate measures Repairs for damage caused by freezing are not covered by the warranty Take necessary meas...

Page 7: ...t 9 Remote Controller 10 Initial Operation 11 How to Use Setting and Using the Water Heater 12 Flow Meter Alarm 14 Muting the Remote Controller 16 Adjusting the Maximum Output Temperature 17 Preventin...

Page 8: ...e drain line as it must always be allowed to freely flow Note The condensate discharged is acidic with a pH level of approximately 2 3 A condensate neutralizer may be required by local code prior to d...

Page 9: ...allation configuration may be slightly different Main Unit Front Cover Water Supply Valve General Parts 1 Intake Pipe Flue Collar Drain Pipe Discharges the condensate NRC98OD GQ C2857WS US Outdoor Wal...

Page 10: ...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 displaye...

Page 11: ...tions 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...

Page 12: ...urns 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 availabl...

Page 13: ...temperature 46 47 48 50 55 60 115 117 118 122 131 140 The maximum output temperature can be set using the remote controller page 17 When using F mode When using C mode Initial factory setting is 115...

Page 14: ...used to indicate when a tub is full If any hot water is being used besides what is going into the tub the alarm will sound before the tub is full If there was water in the tub before the fill began o...

Page 15: ...sound if it is set for 990 gallon Note The alarm will not sound if it is set for 990 gallon On Flow meter setting will be flashing ex 45 gallon Off The alarm will sound when the set level has been rea...

Page 16: ...ting 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...

Page 17: ...il a sound is heard 2 sec Up Down The upper limit of the hot water supply temperature can be changed to For Fahrenheit F 115 F 120 F 125 F 130 F 135 F or 140 F For Celsius C 46 C 47 C 48 C 50 C 55 C o...

Page 18: ...not advisable to run water through the unit when it is OFF p 6 but in this case freeze prevention is more important Remember to set mixing valves and fixtures to their original levels before using the...

Page 19: ...r fixtures after 10 minutes or more pass from operation of 6 Drain water into a bucket to prevent water damage Fixture Do not touch with wet hands Drain Plugs Each drain plug mignt not be visible if i...

Page 20: ...egin to discharge from the drain pipe within 15 minutes of use However depending on the season and or installation site conditions it may take longer If water does not appear at the end of the drain l...

Page 21: ...lding turn off the power button and wait until the equipment cools before performing maintenance CAUTION Be sure to do Check For laundry newspaper timber oil spray cans and other combustible materials...

Page 22: ...cket ready remove the inlet and outlet drain plugs about 0 4 gallon 1 4L will drain out 4 Take the water drain valve with water filter out of the inlet See illustration to right 5 Clean the water drai...

Page 23: ...ent damage from Scale Build up Please contact Noritz America for more information about flushing the Heat Exchanger http support noritz com or 866 766 7489 1 2 3 4 F 0 1 2 3 4 5 6 7 8 9 Total Hardness...

Page 24: ...than the temperature set on the remote controller If only a small amount of hot water is demanded it is possible for the temperature to be higher than the temperature set on the remote controller The...

Page 25: ...ther 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 no...

Page 26: ...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 come...

Page 27: ...of copper ion contained in the water and fat furring However there are not problems concerning health Coloration of the bath tub wash basin can be prevented by cleaning frequently Continued Frequent...

Page 28: ...it off open a hot water fixture and turn the unit back on If the flashing number doesn t return the problem is solved Flashing Remote Controller Check to see if the condensate drain pipe is clogged or...

Page 29: ...y be rejected if the water heater is installed in a location where working on the unit may be dangerous Contact a plumber We will need to know The Model check the rating plate See p 4 for the location...

Page 30: ...he manufacturer s instructions and all applicable codes and requirements of the authority having jurisdiction The information in the instructions must be followed to minimize the risk of fire or explo...

Page 31: ...oller Remote Controller Cord Anchoring Screws Specifications Performance Item Model Name Type Ignition Operating Pressure Minimum Flow Rate Dimensions Height x Width x Depth Weight Water Holding Capac...

Page 32: ......

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