9
6.Installation
In the installation, some work will be done above the roof, extra care and fall protection may be required.
Take extra care and responsibility to do the installation as safely as possible.
2.Tools necessary for the installation
3.Installation Procedure
Follow the below motioned procedure and install correctly. Specially, be sure to check each
【
Point
】
carefully.
If not installed correctly, the water heater will not function properly.
WARNING
：
・
For your safety, do not attempt to work on a rooftop until safety precautions have been identified and taken including
without limitation fall protection measures, ladders or stairways, and personal protective equipment (PPE).
・
Installation in windy or wet conditions require additional precautions. Follow local safety regulations.
【
Maximum Vent lengths
】
・
Max. Straight Vent Length: 35'(10.5m). Note that the kit comes with approximately 25' of
venting. If you 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
"
⑧
Rigid 45 Elbow Set"
*
No 90
̊
elbows(B-Vent)
・
Only when the all conditions of "4. Before Installation (Check the condition of installation)" are
satisfied, proceed with the installation, following the below mentioned installation procedure.
①
Screwdriver
②
Cutting tool
③
Tape Measure
④
Marker
・
Phillips head
・
Flat head
・
Box wrench(5/16")
・
For cutting the flexible vent.
・
PVC Cutter
・
Box Cutter
etc.
※
Hand saws are not approved
for cutting.
For [EZTR50] EZ98DV(GQ-C2859WX-FF US)
[EZTR75] EZ111DV(GQ-C3259WX-FF US)
Follow the instruction in the Flex Vent 2" Conversion Kit
Installation Manual to install the Flex Vent 2" Conversion Kit.
Note : This manual illustrates installation for the NRC663-FSV.
Installation for other models may vary slightly.
・
Only use the parts provided in the package for construction.
Using parts other than the ones provided may cause the product to be assembled incorrectly.
Be sure to do
Be sure to do
Be sure to do
or
8
5.Sample of the Venting system
■
The pictured image of the system consisted of this Vent Kit and the explanation of the name of the
components
The image of the Flex Vent 2" Kit system is as listed below.
Only when the venting components and the water heater are installed correctly, the customer can use the
hot water correctly and safely.
The numbers before the names of the components are corresponding to the same component names as in
step "6. Installation".
䐥
Flex Sleeve
䐤
Base Junction Support
䐡
Flex Pipe 2”
䐠
Top Flex Support
Step-2
Step-1
Step-3
䐤
A B-Vent
Clamp
䐤
B Flex Sleeve
Clamp
䐤
C Flex Pipe
Clamp
䐦
Rigid 45
Elbow Set
Flex Feeder
Installation tool
Conversion Kit for
EZTR50, EZTR75
䐨
Fastening Screws
䐟
Universal Rain Cap
䐢
B-Vent
Flex Vent 2" Gasket
䐣
A Base Junction Adapter
䐣
B Screws
䐣
Base Junction Adapter Set
䐪
Flex Vent 2" Conversion Kit
䐫
䐩
Aluminum tape
䐧
For • [EZTR50]EZ98DV
• NRCR92DV
• [EZTR75]EZ111DV
• NRCR111DV
