Rinnai RL75EN User manual

RL75EN
Rinnai
Brand
Rinnai
Model
RL75EN
Category
Water heaters & boilers
Type
User manual



— Do not store or use gasoline or other ammable vapors and liquids in the vicinity of this or any other
appliance.
— 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 instrucons.
If you cannot reach your gas supplier, call the re department.
— Installaon and service must be performed by a licensed professional.
This enre manual must be le for the consumer. The consumer must read and
refer to this manual for proper operaon and to maintain the water heater.
If the informaon in these instrucons is not followed exactly, a re or explosion
may result causing property damage, personal injury, or death.
WARNING
READ ALL OF THE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR OPERATING THIS WATER HEATER.

safety
-


ANS Z21.10.3 ● CSA 4.3
FOR INDOOR APPLICATIONS ONLY
RL75i ..................... REU-VC2528FFUD-US
REU-VC2528FFUD-US(A)
RLX94i ................... REU-VC2737FFUD-US
RL94i ..................... REU-VC2837FFUD-US
FOR OUTDOOR APPLICATIONS ONLY
RL75e .................... REU-VC2528WD-US
REU-VC2528FFUD-US(A)
RL94e .................... REU-VC2837WD-US
SANITATION
Low Lead Content
NSF/ANSI 372


Table of Contents








DANGER
CAUTION
WARNING
 .....................................................

 ............................................
Installaon Instrucons
(for the licensed professional) ............................. 4
 ......................................
 ........................
 ............................................. 
 ... 
 .................................................. 
 .................................. 
 ... 
.................... 

 ........................................ 
 ................................... 
 ..................................... 
 ................................ 
 ........................................... 
 ................................... 
 .. 
 ....................... 
 ............ 
 ................................................... 
 ........................................................ 
 ................................................... 
 ....................................................... 
 ............ 
 ................................................ 
 .......................................... 
Operaon Instrucons ....................................... 31

 .............. 
 ......... 
 ........................... 
 .............................................. 
..................................... 
 ........ 
..................... 
 ...... 
 .................................................... 
 ................................................. 
 ............................................... 
 ........................................................ 
Important Safety Informaon
Safety Denions
 





---

CAUTION








Safety Behaviors and Pracces for the Consumer and Installer




























WARNING






















California Proposion 65:


WARNING












-

Installaon Instrucons
Installaon Steps
 ......................................
 .........................
 ... 
 .................................................. 
 .................................. 
 ... 
 .................... 

 ........................................ 
 ................................... 
 ..................................... 
 ................................. 
 ........................................... 
 ................................... 
 .. 
 ....................... 
 ............ 
................................................... 
General Instrucons Installer Qualicaons
DO NOT




















MUST DO

Naonal
Fuel Gas Code, ANSI Z223.1/NFPA 54
Natural Gas and Propane Installaon Code, CSA
B149.1
Manufactured
Home Construcon and Safety Standard, Title 24
CFR, Part 3280CAN/SCA Z240 MH Series,
Mobile Homes


Naonal Electrical
Code, ANSI/NFPA 70Canadian Electrical
Code, CSA C22.1.





Type of installaon





Prepare for installaon









Care and Maintenance

INFORMATION









 
 






--










































General Instrucons (connued)



















IMPORTANT CONSIDERATIONS FOR:


























The water must be potable, free of corrosive chemicals,
sand, dirt, or other contaminates. It is up to the
installer to ensure the water does not contain corrosive
chemicals, or elements that can aect or damage the
heat exchanger. Water that contains chemicals
exceeding the levels below aect and damage the heat
exchanger. Replacement of the heat exchanger due to
water quality damage is not covered by the warranty.
Maximum Level
 
 
 
 
 
 
 
 
 
 
Determine Installaon Locaon




-


-
















 






 

 

ANSI Z223.1/NFPA 54



Direct Vent (Indoor Unit) Other than direct vent (Outdoor unit)
Ref
Descripon
Canadian Installaons
(CSA B149.1)
US Installaons
(ANSI Z223.1 / NFPA 54)
Canadian Installaons
(CSA B149.1)
US Installaons
(ANSI Z223.1 / NFPA 54)
    
  































 







 









 
  





X
V
SNOW
TERMINATION
Clearance in
Ref. A also
applies to
anticipated
snow line

24"
V







60"
V
V








12"
V V


V
60"
V
-
12"
12"
36"
INSIDE
CORNER
V V






Important consideraons 






 






2"
12"
60"
36"














 











to Combusbles
inches (mm)
to Non-
Combusbles
inches (mm)
Top of Heater  
Back of Heater  
Front (Panel)  
Front (Exhaust)  
Sides of Heater  
Ground/Boom  
to Combusbles
inches (mm)
to Non-
Combusbles
inches (mm)
Top of Heater  
Back of Heater  
Front of Heater  
Sides of Heater  
Ground/Boom  
Vent  
to side
to front
to top
to ground/bottom
 


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











NOTICE
 
Mount to Wall


 

 












Checklist to Determine Installaon
Locaon

















Naonal
Fuel Gas Code, ANSI Z223.1/NFPA 54
Natural Gas and Propane Installaon Code, CSA
B149.1
Manufactured
Home Construcon and Safety Standard, Title 24
CFR, Part 3280CAN/SCA Z240 MH Series,
Mobile Homes
Leave the enre manual taped to the water
heater (indoor models), temperature controller
(outdoor models), or give the enre manual
directly to the consumer.
Remove the Front Panel



 
Manufacturer
Listed and Tested Vent Products
for RL75i, RL94i, and RLX94i
Telephone Fax Contact
  -- -- 
- - -- --
-

-  -- --

-
Installaon of venng (indoor models only)




DO NOT









MUST DO

















-
INFORMATION








NOTICE





 

Vercal Terminaon





Horizontal Terminaon using Condensate Collector






 
 
 

 

 


-




Horizontal Terminaon without using the Condensate Collector


















WARNING





 
Condensate
(indoor models only)





DO NOT








MUST DO
























Checklist for Venng and
Condensate (indoor models only)








° 









INFORMATION






 
Installaon of Plumbing





DO NOT



MUST DO
















American Naonal Standard (ANSI Z21.10.3) 


DO NOT






MUST DO

Relief Valves and Automac Gas Shuto Devices for
Hot Water Supply Systems ANSI Z21.22
Temperature, Pressure, Temperature and
Pressure Relief Valves and Vacuum Relief Valves,
CAN1-4.4













INFORMATION





American Naonal Standard (ANSI Z21.10.3)













 
 


WARNING
 






American Naonal Standard (ANSI
Z21.10.3) / Canadian Standard (CSA 4.3)

Isolaon Valves Installaon Instrucons:
 




 




 





 

 
DO NOT 
 -


 

 

 

Pressure Relief Valve (PRV) Installaon Instrucons:




-



unthreaded




Pressure Relief Valve Maintenance:










A 
B 
C 
D 
E 
F 



NOTICE
A
B
C
D
F
E
 

G
a
s
S
u
p
p
l
y
3
/
4
"
C
o
l
d
W
a
t
e
r
S
u
p
p
l
y
L
i
n
e
3/4" Hot Water Supply Line
Rinnai
Water Heater
Rinnai
Equipment List
Rinnai
Water Heaters
RIK-KIT (Optional)
(3/4" Fittings Include:
2 Unions, 2 Ball Valves,
2 Drain Valves and
1 Pressure Relief Valve.)
QTY
1
1
3
/
4
"
G
a
s
C
o
n
n
e
c
t
i
o
n
For Building Fixtures
Pressure Relief Valve
3/4" Ball Valve
3/4" Union
Check Valve
S
Pressure Regulator
Circulating Pump
Solenoid Valve
Boiler Drain Valve
KEY
This is not an engineered drawing. It is intended only as a guide and not
as a replacement for professionally engineered project drawings. This
drawing is not intended to describe a complete system. It is up to the
contractor/engineer to determine the necessary components and
configuration of the particular system being installed. This drawing does
not imply compliance with local building code requirements. It is the
responsibility of the contractor/engineer to ensure installation is in
accordance with all local building codes. Confer with local building
officials before installation.
 





 



 




Checklist for Plumbing


 Debris will
damage the water heater. 








-







--

Installaon of Gas Supply
MUST DO
























-





WARNING
 

 
 
 

 

 





Naonal
Fuel Gas Code, NFPA 54


 






 




























INFORMATION


Length
Pipe Size (inches)
3/4 1 1 1/4 1 1/2
10    
20    
30    
40    
50    
60    
70    
80    
90    
100    
Pipe Sizing Table - Natural Gas
 
 
 


Length
Pipe Size (inches)
1/2 3/4 1 1 1/4
10    
20    
30    
40    
50    
60    
80    
100    
Pipe Sizing Table - Propane Gas
 
 
 


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Rinnai RL75EN User manual

RL75EN
Rinnai
Brand
Rinnai
Model
RL75EN
Category
Water heaters & boilers
Type
User manual
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