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    Table of Contents 

 

 
Specification…………

Page

 2 

 
Package inventory…

Page

 3 

 

 
Safety talk ……..……

Page

 3  

 
Operation…………….

Page

 4 

 
Safety Systems……..

Page

 5 

  

Installation………… 

Page

 5 

   

Operation……………

Page 

 

Temperature increase  
Diagra

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Specification 

                       

 

Natural Gas Input           Minimum 28,000 Btu  

                                          Maximum 92.000Btu 

 

LPG Input                        Minimum 27.000 Btu  
                                         Maximum 92 000 Btu  

 

Gas Connection               ½” NPT 

 

Water Connection           3/4  NPT 
Water pipes location      On the top of the  

                                         unit. 

 

Water Pressure              Min                    19 psi 

                                         Max                 150 psi  

                                         Recommended 55 psi  
 

Natural Gas Pressure        

                            Inlet      Min     0.33 psi 

                                          Max     0.43 psi 

 

LP Gas Pressure Inlet      Min     0.43 psi 
                                           Max    0.47 psi 

 

Weight                              33 lbs 

 
Dimensions                     

32.5" X 15.5" X 9.5"

 

 

Electrical power used      2 D cell Batteries 
 

Ignition                            Electronic ignition 

 

Safeties:                           Ion flame detector 

                                          Max temp sensors 

                                          Water leak sensor 
                                          Flame inspection  

                                          window 

                                          Anti freezing device 

     

 

 

     Pressure sensor/device 

                                           

                                           

 

 

 

 

Summary of Contents for OME 412

Page 1: ...mation and instructions in this manual is not followed exactly a fire or explosion is possible causing property damage personal injury or death Warning Any Gas appliance creates flue gasses carbon mon...

Page 2: ...92 000 Btu Gas Connection NPT Water Connection 3 4 NPT Water pipes location On the top of the unit Water Pressure Min 19 psi Max 150 psi Recommended 55 psi Natural Gas Pressure Inlet Min 0 33 psi Max...

Page 3: ...sal The Discount tickets They are also 2 mounting brackets taped on the back of the unit Safety Talk 1 Always follow all local codes or in absence of local codes follow the actual edition of National...

Page 4: ...r heater 7 Operation OME 412 is a instantaneous thankless water heater designed to efficiently supply domestic hot water We combine the principle which is been around from the beginning of the 1900 wi...

Page 5: ...adiant temperature on any place on the unit is under 100 F so the possibility of Fire by contact is eliminated Freeze Prevention We see no reason to install your water heater outside OME 412 is been d...

Page 6: ...meter You can use your old flex hose if is sufficient long and at of list diameter Warning Your line has to have a pressure of minimum 0 33 PSI and the capacity to move a sufficient quantity of gas to...

Page 7: ...the water If the water is too cold your water volume is too big Need to reduce the overall water flow thru the unit to 12 liters per minute or until the temperature of the resulting water is acceptab...

Page 8: ...0 86 91 96 101 106 111 4 75 84 89 94 99 104 109 The result for Output temperature was reduced to 130 Degrees by the temperature safety devices anti scalding device included in the design of the unit T...

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