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Installation Manual

NORITZ AMERICA

CORPORATION

Potential dangers from accidents during installation and use are divided into the following three categories.

Closely observe these warnings, they are critical to your safety.

DANGER indicates an imminently hazardous situation which, if not avoided,

will result in death or serious injury.
WARNING indicates a potentially hazardous situation which, if not avoided,

could result in death or serious injury.
CAUTION indicates a potentially hazardous situation which, if not avoided,

may result in minor or moderate injury.

Installation must conform with local codes, or in the absence of local codes, the National Fuel Gas Code, ANSI Z223.1

/NFPA54-latest edition.

Noritz America reserves the right to discontinue, or change at any time, the designs and/or specifications of its

products without notice.

DANGER

：

・

Never use this Vent Kit other than for the Applicable Model (including the model manufactured by others)

designated in this manual.

WARNING

：

・

If the information in this manual is not followed exactly, a fire or explosion may result causing property

damage, personal injury or death.

・

Do not install only with the EZTR Start-up Guide. Read this manual also before installation.

Requests to Installers

・

This manual is for the vent components for the designated tankless water heater. For the installation

of the Tankless Water Heater itself, read the installation manual packed with it.

・

In order to install this vent kit correctly, read this installation manual carefully, and follow the installation instructions.

・

Failures and damage caused by erroneous work or work not as instructed in this manual are not covered by the warranty.

・

Check that the installation was done properly in accordance with this installation manual upon completion.

・

After completing installation, place this installation manual in a plastic pouch and attach it to the side of the

water heater, or hand it to the customer to retain for future reference.

Vent Kit for Condensing Tankless Gas Water Heater

EZ2FVK-1-LT
Rev. 01/17

SBB80TX

[Applicable Model]

• [EZTR40] NRC663-FSV

• [EZTR50] EZ98DV (GQ-C2859WX-FF US)

• [EZTR75] EZ111DV (GQ-C3259WX-FF US)

Model: EZ2FVK-1 (Flex Vent 2" Kit 25 feet)

DANGER

WARNING

CAUTION

Prohibited

Be sure to do

11/19

[Applicable Model]

• [EZTR40] NRC663-FSV

• NRCR92DV

• [EZTR50] EZ98DV

• NRCR111DV

• [EZTR75] EZ111DV

Содержание EZ2FVK-1

Страница 1: ...n may result causing property damage personal injury or death Do not install only with the EZTR Start up Guide Read this manual also before installation Requests to Installers This manual is for the v...

Страница 2: ...model manufactured by others Flex Vent 2 Kit can be installed at zero clearance to combustible materials Appliances can be started up immediately after Flex Vent 2 Kit is installed and inspected Flex...

Страница 3: ...support 1 Universal Rain Cap 1 Bag Step 3 Rigid 45 Elbow SET 1 Flex 2 Vent Gasket 1 Fastening Screws 2 Aluminum tape 1 Part Shape Q ty Installation Manual This document 1 EZTR 25 Feet Start Up Guide 1...

Страница 4: ...pt under these following conditions Clean and dry place Above 40 F 5 Keep out of direct sunlight Minimum bend radius should be more than 7 inch Handle the flexible vent carefully Dropping Crushing and...

Страница 5: ...ollowing items are OK Can be installed before installation If all items are OK Can be installed proceed to the next step 6 Installation Check point Can be installed OK Cannot be installed NG Mark if e...

Страница 6: ...ent diameter 3 or 4 5 or larger 5 Horizontal distance between B Vent connection from the ceiling and the unit is no more than 5ft 5ft or less More than 5 ft 6 Vent length from the top of unit to the r...

Страница 7: ...ot be installed NG Mark if each condition is matched 7 Ambient temperature where unit is installed More than 40 5 40 5 or less Refer to page 4 8 Accessibility to Rain Cap Can access Rain Cap Cannot ac...

Страница 8: ...rectly and safely The numbers before the names of the components are corresponding to the same component names as in step 6 Installation Flex Sleeve Base Junction Support Flex Pipe 2 Top Flex Support...

Страница 9: ...ou need more than 25 feet of Flex pipe contact Noritz America 1 866 766 7489 Max allowable 45 degree elbows B Vent are 2 elbows Not including Rigid 45 Elbow Set No 90 elbows B Vent Only when the all c...

Страница 10: ...er heater 3 Use a measuring tape to measure from the bottom of the B Vent to the roof termination to get the total length of the vent run The Measured vent run length will be used in procedure No 23 l...

Страница 11: ...of B Vent 5 Insert Base Junction Support to the bottom of B Vent that is sticking out from the ceiling or A Base Junction Adapter Firmly tighten Base Junction Support with A B Vent Clamp be careful no...

Страница 12: ...straight B Vent runs Flex Feeder prevents debris from falling into the Flex Pipe 2 Be sure to do When pushing Flex Pipe 2 through the B Vent if there is unusual feeling touching the bump of screw etc...

Страница 13: ...below Step 2 Procedure 9 14 Use this Image to check for correct assembly of the components 9 Grab Bag Labeled Step 2 and necessary tools for this step of the installation Climb up on the roof and acc...

Страница 14: ...r to mark the original position of the Flex Pipe 2 at B Vent s upper tip Marker 12 Slide in the Top Flex Support to the Flex Pipe 2 Top Flex support Mark is very important for the function Do not skip...

Страница 15: ...p All cuts must be made at right angle to the pipe All field cuts must be deburred Take precaution not to drop debris into Flex Pipe 2 In case debris is dropped remove from the lower end of the Flex P...

Страница 16: ...L shown below Follow the below chart and install accordingly Equipment installation upper limit height chart by horizontal distance Horizontal distance L 0 1 2 3 4 5 More than height H 2 2 2 2 6 3 3 P...

Страница 17: ...ppropriate length Marker Point If it interferes with water and hot water piping adjust Rigid 45 Elbow Set s angle so that it does not interfere If the contact is unavoidable take measures such as inse...

Страница 18: ...he below figure Point When determining the cut length take note on the 2 points listed below Point Determine the proper length not giving too much tension to both Base Junction Support and Rigid 45 El...

Страница 19: ...eeds to be cut it should be cut while in its compressed state 19 Firmly tighten B Flex Sleeve Clamp of Base Junction Support but be careful not to tighten too much as it may distort the Flex Sleeve an...

Страница 20: ...vely locked to the equipment s vent connector pipe Insert the Flex Pipe 2 from the previous procedure into the Rigid 45 Elbow Set Rigid 45 Elbow Set Step 3 Work where equipment is installed Make sure...

Страница 21: ...edure No 3 in addition to the distance from the water heater Calculate the total vent length to determine the dip switch setting Vent length X total length of B Vent measured in procedure No 3 Y the d...

Страница 22: ...crews Aluminum tape Step 3 Work where equipment is installed Pay attention not to get injured from the sharp edge of Flex Sleeve WARNING Point Check and see if Flex Sleeve is firmly fixed 7 Maintenanc...

Страница 23: ...URC 1 Top Flex Support for EZ2FVK EZ2FVK TFS 25 Feet Flex Pipe 2 LE EZ2FVP25 1 Base Junction Adapter Set EZ2FVBJADS 1 Base Junction Support w o hole EZ2FVBJS 1 Flex Vent 2 Sleeve EZ2FVS Flex Vent 2 Ri...

Страница 24: ...Flex Feeder LE EZ2FVF 1 Flex Vent 2 Kit 25 Feet Installation Manual This document EZ2FVK 1 LT EZTR 25 Feet Start Up Guide EZ2FVK 1 SUG Packing Box for Flex Vent 2 Kit 25 Feet EZ2FVK 1 BOX No indicate...

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