Omega OME 412 Manuel utilisateur

OME 412 Instantaneous Water Heater

Installation Manual and Owner’s Guide

FOR YOUR SAFETY

This product must be installed by a licensed

professional technician or gas fitter

qualified in water heater installation to

comply with the laws of the Commonwealth

of Massachusetts and/or any State.

Check your local codes and regulation.

This manual is correct as of the date of

publication, but regulations are in continual

change or update. Only your professional

installer will be updated in regard to all

local Codes pertaining to the installation of

this water heater.

Warning

If the information and instructions in this

manual is not followed exactly, a fire or

explosion is possible, causin

property

damage, personal injury or death.

Warning

Any Gas appliance creates flue gasses,

carbon monoxide gas, which can cause

serious injury or death. Improper

installation, and/or operation, or installation

by unqualified person, will void warranty.

Installation and service must be performed

by a qualified installer, service agency or

your gas supplier.

Suitable for

potable water heating

or space heating

Features

* Energy conservation,

* Endless hot water on demand,

* Compact, wall mount, space

saving,

* Computer controls for safety and

reliability,

* Electronic ignition, no pilot light,

* The only Tank to Tankless

replacement kit available in the

market witch do not require

plumbing modification

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 7

Temperature increase

Diagram Page 8

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

Congratulations on your purchase of an

OMEGA OME412 Gas Tankless Water

Heater.

You’re about to discover that not all water

heaters are created equal. The Omega

Comfort has made possible the design and

production of this efficient and incredibly

affordable Tankless water heater that will

provide you with many years of uninterrupted

service. It is the mission and goal of the

Omega Comfort to continue to combine

innovation, quality, affordability and

reliability in all of its Tankless water heaters.

Once again, thank you and congratulations.

Before going any further, check and make

sure that the following items accompany

your water heater. There are two plastic

pouches in the Styrofoam packaging that

contain necessary hardware.

Before we go any further let’s make a

inventory:

The first pouch will hold the two knobs for

the unit.

They are the same so no designation is

necessary.

* Mounting brackets and bolts available on

request only.

- four bolts for hanging the unit

The second will hold:

- The Energy consumer guide

-The lather from the president

-This installation and instruction manual

-Warranty statement

-The business opportunity proposal

-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 Fuel Gas

Code, ANSI Z223.1/NFPA 54 in USA or

Installation Codes for Gas Burning

Appliances in Canada, the CGA

standard, CAN/CGA B149.1 or

CAN/CGA B 149.2

2. Check the rating plate for the correct

gas type, gas pressure, water

pressure, and electrical rating. DO

NOT INSTALL the unit if any of those

characteristics can’t be met.

3. If during unpacking, you observe any

damages on the cabinet, flue parts or

electrical cable of the water heater,

STOP UNPACKING!

DO NOT INSTAL until you notified

the factory and the unit is properly

inspected. Always follow the factory

technician suggestions.

4. Properly ground the unit in accordance

with local codes and in absence of

those with the National Electrical

Codes, ANSI/ NFPA 70 in the USA

or Canada Electrical Code Part 1 in

Canada.

5. If any problem arrives turn of the gas

first from the valve and then the cold

water supply. Call a trained technician,

the Gas Company or our telephone

hotline at (888)866-2118 for

instructions.

6. Use caution in planning you

installation. For maximum efficiency it

should be installed at equal distance

from all consumers, easy to access,

shortest distance from the venting

exit. For best safety, always install

gas appliances out of the reach of

the children’s.

7WARNING: Do not use this

unit if ANY part was under water.

Immediately call a certified or

trained technician to inspect and

service the unit as necessary.

8Do not open the unit if gas,

water and electrical is not

disconnected. Severe burns,

scalding or even death can occur if

the unit is not cold to thatch before

opening.

9If any repairs where attempted by

an untrained personal, the warranty

is void.

10 Do not reverse gas with water

pipes. Severe damages to the unit,

other appliances on the house and

your Gas line system will occur.

11 Do not reverse cold and hot water

pipes. Severe damages to the unit

will occur and warranty will be void

12 Follow the diagram bellow when

you install your OME 412 water

heater.

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’

with today technical know how, and we ad

every safety we could think about to give

you the ultimate in domestic water

heating.

When you open the hot water faucet, the

computer sensors detect the

depressurization of the line and command

the gas valve and the ignition relay control

the commencing of the burning cycle.

A minimum of 0.6 Gallons per minute is

required to ignite, but only 0.4 gallons per

minute to maintain the burners on.

During the operation, the computer

monitor and adjust the temperature and

flow of the water and gas, to insure the

total burning of your fuel.

As long as your gas, water and unit is on,

just by opening of your faucet you will

have an endless supply of hot water.

-To turn your water heater on, just

open your faucet.

-To turn your water heater off, just

close your faucet.

Temperature

The output temperature of the

OME 412 is been preset by the factory

NOT TO EXCEED 120 F

This is controlled by the computer and

Temperature limiters sensors and can

not be adjusted higher by any

technician.

WARNING

Temperature over 120 F (50 C) can

cause severe burns or even death. The

Disabled, elderly and children’s are at a

high risk of being injured by high

temperature of water.

Always feel the temperature of the water

before you enter in to the shower.

Do not leave disabled, elderly and

children’s unsupervised.

SAFETY SISTEMS

OME 412 is equipped with the following

safety systems:

- Electronic Ignition-

Your unit will

never have a pilot light burning gas day

and night and wasting your gas and

presenting a fire danger

ION technologies –

This system

read the flame 20 times a minute, and

detects temperature of the flame. If the

temperature does not denote a fire, the

unit will attempt reigniting the flames.

After the second unsuccessfully attempt

the system will shut down your gas flow,

therefore eliminating discharging of

unburned gas and the danger of

explosion.

This unit passes the most stringent

emission tests in the industry.

-Space age insulation:

-The entire unit is “Cold to touch” The

radiant temperature on any place on the

unit is under 100 F so the possibility of

“Fire by contact” is eliminated.

- Freeze Prevention-

see no reason

to install your water heater outside. OME

412 is been design for inside installation so

therefore do not need expensive and

energy consuming resistors to keep the

unit from freezing.

- Over pressure valve-

to eliminate any

possibility of water overpressure due to a

malfunction.

Alloy coating

Heater Exchanger is not exposed cooper like

on most of the units on the market, but is

coated with a special alloy which is able to

sustain, with out damage, temperatures in

excess of 1500 F. ALL of those safeties are

incorporated in the unit with only one reason

in mind:

You, the customer!

INSTALATION

Location

This instantaneous water heater is a

complete, perfect replacement kit system to

replace your old tank unit with out any

plumbing modification.

The recommended distances from immediate

walls or other object is as follow:

-4 inch from the sides,

-8 inches from the top. (ceiling or roof)

-3 inches from the front.

-24 inches from the floor is required by the

fire codes but we recommend to have it

installed eyed site level for easy control,

supervision or maintenance.

- Use the 2 brackets provide for installation.

Find the studs and connect the 2 closest

studs together with the bracket. The water

heater

do not need to be in the center of

the bracket.

Hung the water heater as

needed on any treaded hole in the bracket

with the bolts provided.

Water connections

-Use the same flex pipes you had on your

old tank water heater or replace them with

new ones if the old ones are rusted or

damaged. On the hot side (left side of the

unit!) as closest possible to the unit install

a Pressure relief valve.

NOTE:

Temperature relief valve is not

necessary or required because the

unit has a integrated, redundant over

temperature protection system.

-The pipe in the discharge part of the valve

has to be of a minimum ½ inch galvanized

or cooper pipe

-The discharge valve has to vent to the

exterior of the building

-The discharge line is not be allowed to

have treads on the end.

-The discharge line can not be run in an

upward direction

-The discharge line must terminate

between 6” and 24 inch above ground

level.

Gas Installation

The gas line is from the bottom of the unit:

Connect the gas unit thru hard line or a

approved flex hose not less then ½

“diameter. You can use your old flex hose

if is sufficient long and at of list ½”

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

produce 95.000 Btu.

Lengthy gas pipe with out step-

downs will not be able to supply the

necessary gas volume for the unit

In order that the unit to work you need to

install 2 Dcell batteries. (Not provided!)

Warning:

Follow the polarity of

the batteries on installation. Incorrect

batteries installation will render the

unit inoperative.

The freezing device is not adjustable, do not

turn or disassemble. Only a authorized

technician can perform maintenance on the

anti-freezing device

Maintenance

The unit is virtual maintenance free with the

exception of the de-scaling every 1 to 3

years based of the PH of the local water

supply. The harder is the water, more often

the de-scaling has to be done. Ask a local

professional for advice in regard to the

composition of the water. Your local Water

Company or your local Gas Company can

help you with the necessary data.

De-scaling involve harsh chemicals and

specialized tools and can only be done by a

professional.

Warning!

-Do not attempt to do it

yourself.

-Severe burns can occur if no

specialize equipment are used

-Improper chemicals can harm

the water heater and/or the

plastic and rubber parts

rendering the warranty void.

Operation.

-Open the gas valve

-Open the water valve

-Install 2 fresh Dcell batteries

- Check for gas and water leaks

Warning:

Do not check the gas leak with open

flame. Severe burns and/ fire can be

produced in case of gas leaks.

- Adjust the gas knob to maximum

-Adjust the water Knob to maximum

volume

- Open a water faucet as close as possible

to the unit.

If the unit do not light up then shut up and

start again

Warning:

In order to evacuate the air from the

gas line it may be necessary to repeat

the operation 3 to 5 times based on

the length of the gas line.

- As soon as you see the unit light up leave it

to run for at list 5 minute.

- Check the temperature of 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 acceptable.

- If the water is too hot, reduce the gas flow

from the Gas Knob

-Repeat the procedure with at list 3 to 5

minute time in between to leave time for the

“new” water to reach the faucet and the

pipes to reach the temperature of the water.

Warning:

-Use only small increments by dividing

the scale on at list 6 segments. Small

increments make big differences.

Once you achieve the desired temperature

you do not need to thatch again the dials.

The fine tune adjustments are made by

mixing your hot water with cold water at the

faucet

Warning:

If after 5-10 minutes the unit suddenly

shuts-up a overheating problem exist:

The unit go over 140F and the unit shuts

up.

The unit will not start before you close

the faucet and reopen again.

Fix: Dial back the gas knob a 1/6 of the dial.

Also it can be problem of interaction

between the instantaneous water heaters

and “water savers”

We recommend the elimination of the water savers on the back of the shower

heads if a repeat interruption of the hot water occurs.

Any problem of the installation and maintenances can be asked at:

888-866-2118

Monday to Friday 9.00 Am to 5.00 PM

Other factors to be taken in consideration

OME 412 Outlet Temperature Chart

Flow Rate

GPM 45 F

Inlet Temp. 50 F

Inlet Temp. 55 F

Inlet Temp. 60 F

Inlet Temp. 65 F

Inlet Temp. 70 F

Inlet

Temp

2.25 130* 130* 130* 130* 130* 130*

2.50 124 129 130* 130* 130* 130*

2.75 116 121 126 130* 130* 130*

3.00 109 114 119 124 129 130*

3.25 104 109 114 119 124 130

3.50 101 104 109 114 119 125

3.75 95 101 105 110 115 120

4.00 92 97 102 107 112 117

4.25 89 94 99 104 109 114

4.50 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.

** The normal shower temperature

Warning :Exposure to water at 125*F can produce first degree burns in 15 seconds

Typical Flows and Temp for Household Fixtures

Fixture

Type

---->

Lavatory Shower

Low flow

Shower

High

flow Kitchen

Sink Bathtub

Jacuzzi Dish

Washer Washing

Machine

Flow Rates 0.8 - 1.5 1.0 -1.7 1.7- 3.0*1.0 -1.5 2.0-4.0 1.0-1.5 1.5-2.0

Prevailing

Temp.

Use 80°

105°

100°

110°

105°

115°

90°

110°

105°

115°**

80°

95 °

Flow Rates in Gals/ Minute

Temperature in degrees °F

* Energy Department website defines a “Legal” shower as a shower which use no more then

1.76 gallons/minute.

** All 9 years old or newer Dishwashers have their own heater element so incoming water

temperature is somehow irrelevant.

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