Rinnai REP199i User manual

INTERNAL INDOOR MODELS:
VEiREUVEFFDUS
VEiREUVEFFDUS
VEiREUVEFFDUS
VEiREUVEFFDUS
EXTERNAL OUTDOOR MODELS:
VEeREUVEWDUS
VEeREUVEWDUS
VEeREUVEWDUS
VEe (REU-VE1720WD-US)
Tankless Water Heater (With Pump)
Installation and Operation Manual
ANSI Z21.10.3 • CSA 4.3
INDOOR MODELS:
REPiREUVEPFFDUS
REPiREUVEPFFDUS
OUTDOOR MODELS:
REPeREUVEPWDUS
REPeREUVEPWDUS
C US
10000072600001

2 Rinnai Tankless Water Heater Installation and Operation Manual
WARNING


• 

• WHAT TO DO IF YOU SMELL GAS
– 
– 
– -

– 
• 

Full-length Spanish version available online at rinnai.us




Rinnai Tankless Water Heater Installation and Operation Manual 3
Contents
  5
  6
  6
  6
  8
  8
  9
  10
  11
  13
  15
  
  16
  17
  22
  
  32
  33
  
  37
  38
  
  42
 
 
 
 
 

     
 
 
  58
  
  61
  62
  63
  63
  
  
  66
  68
  69

    
 
Institute
BTU 
 
LPG 
NG 
PRV 
 
 
NPT 
 
V AC 
To The Consumer
• 

• 


• 
• 



• 

• 



Acronyms and Abbreviations







To The Installer
• 

-


• 

– 
– 

– 

– 
– 



• 
-


• 

• 



1.1. WelcomeWelcome


WARNING
WARNING

WARNING
6 Rinnai Tankless Water Heater Installation and Operation Manual
• 

-

• -


• 
– 
– 

– 


– 

• 



• 


2.2. SafetySafety
2.1 Safety Symbols







DANGER


















• 



• 
-

• 






• 

• 

– 󰀨-
󰀨



– 󰀨

2.2 Safety Precautions

Rinnai Tankless Water Heater Installation and Operation Manual 7
• 

-


• 




• 

• -

• 

• 


• 


• 
-



• 





– 󰀨


󰀨

– 
󰀨
󰀨




• 




󰀨

• 

• -
󰀨󰀨
󰀨
• -



• 

• -


• 

• -





-




8 Rinnai Tankless Water Heater Installation and Operation Manual
3.3. About the Water HeaterAbout the Water Heater
3.1 Front and Bottom View
Indoor Outdoor
Figure 1: Front view
Hot Water
Outlet Cold Water
Inlet
Gas Inlet
Cold Water
Inlet
Gas Inlet
Hot Water
Outlet
Figure 2: Bottom view

• 
• 
• 
• 
• 
Controller


 


Rinnai Tankless Water Heater Installation and Operation Manual 9
3.2 Main Components
Ignition Unit

Controller



Figure 3: Main Components
Fan Motor

Condensate Drain





Gas Control





10 Rinnai Tankless Water Heater Installation and Operation Manual
3.3 Specifications
Indoor Units 
REP199i REP160i REP199e REP160e

 
    
Flow Rate1









Weight    
  
Electrical Data
Normal 96 91  60
 1
Freeze Protection 86 122
 
Fuse 
 162 160  129
  
 

Pressure2
Natural Gas 
 
 󰀩

 
Electric Connections 

 
 



Yes
1

2 





Rinnai Tankless Water Heater Installation and Operation Manual 11
3.4 Dimensions

Figure 4: Indoor Dimensions
Figure 5: Outdoor Dimensions
Indoor Models

Outdoor Models

Front View 
Front View 




 







 


12 Rinnai Tankless Water Heater Installation and Operation Manual
Cold Inlet
Hot Outlet



 Outdoor
G Gas    
C Cold Inlet    
H Hot Outlet    
     
3.4.1 Supply Connections

Figure 7: Outdoor Model Supply Connections

H
C
G

 
Gas
Cold Inlet
Hot Outlet
H
C
G

 
Gas
Figure 6: Indoor Model Supply Connections
Indoor Models

Outdoor Models




Rinnai Tankless Water Heater Installation and Operation Manual 13
Product Product Description Image


-



Cartridge

-






Additional Controller

MC-601-W

-














-









3.5 Accessories






  Rinnai Tankless Water Heater Installation and Operation Manual
Product Product Description Image









-

Cold Weather Kit

-










󰀩











-

Motion Sensor







    
4.4. Install the Water HeaterInstall the Water Heater















4.1 Installation
Guidelines


• 


• 










• 





• 󰀨




• 

󰀨




• 



• 

-

-


• -
󰀨󰀨
󰀨
• 

-


• Installation Guidelines
• 
• 
• Mount the Water Heater to the Wall
• 
• 
• 
• 
• 
• 
• 


16 Rinnai Tankless Water Heater Installation and Operation Manual

• 

• 

• 
-


-




• 

• -




• 

• 

4.2 What You Will
Need
4.2.1 Items Included





• Rinnai Tankless Water Heater
• 
• 
• Installation and Operation Manual
4.2.2 Items Needed
(Field-Supplied)
• 
• 
• 
• 
• 
• Wire Cutters
• 
• 
• 
• 
• 
• 

• 
• 
• 
• 
• 
• 
• 
• 
• Heat tape
• 
• 
• 
• Wire nuts
• 
• 
• 

Rinnai Tankless Water Heater Installation and Operation Manual 17
4.3 Choose an
Installation
Location








4.3.1 Water Quality
Guidelines











󰀨










󰀨



SS
SS




4.3.2 Environment





















Water Regulation
Contaminant Maximum Level
Total Hardness 
 
Chlorides * 
Copper * 

 
Iron * 
Manganese * 
pH * 

Solids) * 
 

󰀨
󰀨



 
103000038 Southeastern Filtration

103000039 


18 Rinnai Tankless Water Heater Installation and Operation Manual
4.3.3 Indoor Water Heaters
• 


• 







-


• 



4.3.4 Outdoor Water Heaters
and Vent Terminations
• 


• 


• 







-



Rinnai Tankless Water Heater Installation and Operation Manual 19
4.3.5 Freeze Protection




󰀨








󰀨



Figure 8: Freeze Protection Piping Diagram
Route Drain Per Local Code
Cold Water
Supply Line
1/2 in. Normally Open Solenoid Valve
Hot Water
Supply Line
3/4 in. Normally Closed Solenoid Valve
Legend
Vacuum Breaker
Pressure Relief Valve
Union
Check Valve
Ball Valve
Solenoid Valve
Drain Valve
* Position vacuum breaker
above water heater.
Gas Supply
Freeze Protection Piping Diagram
Vacuum Breaker *



Union




Open Solenoid
 


Line

Closed Solenoid






20 Rinnai Tankless Water Heater Installation and Operation Manual
4.3.6 Clearances
Top
Side
Bottom
Bottom
FrontFront
Figure 9: Clearances

 
Top
Side

 

Top 
 
 
The clearance for servicing is
24 inches in front of the water
heater.
Do not block the combustion air
openings.
 
Sides


0.125 in. (3.18 mm) for recess
box.
 
 

Top 
0 in. from vent components
 
 
The clearance for servicing is 24
inches (610 mm) in front of the
water heater.
For closet installation, clearance is
6 inches (152 mm) from the front
of the water heater.
 
Sides


 



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