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Specifications

• Specifications may be changed without prior notice.

• The capacity may differ slightly, depending on the water pressure,

water supply, piping conditions, and water temperature.

Specification

NRC98DV (GQ-C2857WS-FF US)

Indoor Wall Mounted Outdoor Wall Mounted

Direct Ignition

15-150 psi

0.5 GPM (2 L/min.)

24.2" (615mm) x 18.3" (464mm) x 9.4" (240mm)

58 lbs. 57 lbs.

0.5 Gallon (1.8L)

3/4"
3/4”
3/4”

1/2” Threaded

120 VAC (60Hz)

NG : 73W LP : 78W

Freeze Prevention 213W

Zincified Steel Plate/Polyester Coating

PVC Stainless Steel

Copper Sheeting, Copper Tubing

Stainless Steel Sheeting, Stainless Steel Tubing

Flame Rod, Thermal Fuse, Lightning Protection

Device (ZNR), Overheat Prevention Device, Freezing

Prevention Device, Fan Rotation Detector

Remote Controller, 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 Capacity

Accessories

Installation

Air Supply/Exhaust

Connection Sizes

Power Supply

Materials

Water Inlet
Hot Water Outlet
Gas Inlet
Condensate Drain

Safety Devices

Item
Gas

Consumption
Maximum Hot Water Capacity
Capacity Range
Temperature Settings

Default Temperature Options

NG
LP
45°F (25°C) Rise

Maximum Performance

180,000 btuh
180,000 btuh

Minimum Performance

16,000 btuh
16,000 btuh

7.5 GPM (28.2 L/min.)

0.5-9.8 GPM (2-37.0 L/min.)

115-140°F (In 5°F intervals) (6 Options)

Casing
Flue Collar
Primary Heat Exchanger
Secondary Heat Exchanger

Supply
Consumption

120°F (50°C), 125°F (52°C), 130°F (54°C), 140°F (60°C)

(Original is 120°F (50°C))

°F Mode:
°C Mode:

46,47,48,50,55,60°C (6 Options)

Power Vented

NG : 64W LP : 68W

Freeze Prevention 203W

NRC98OD (GQ-C2857WS US)

Содержание ecoTOUGH GQ-C2857WS

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 32: ......

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