Rinnai V53DeN Guide d'installation

Marque: Rinnai

Modèle: V53DeN

Catégorie: Chauffe-eau

Taper: Guide d'installation

Ce manuel convient également à

— Ne pas entreposer ni uliser d’essence ou ni d’autres vapeurs ou liquides inammables à proximité de

cet appareil ou de tout autre appareil.

— QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ :

• Ne pas tenter d’allumer d’appareil.

• Ne touchez à aucun interrupteur ; ne pas vous servir des téléphones se trouvant dans le bâment.

• Appelez immédiatement votre fournisseur de gaz depuis un voisin. Suivez les instrucons du fournisseur.

• Si vous ne pouvez rejoindre le fournisseur, appelez le service des incendies.

— L’installaon et l’entreen doivent être assurés par un installateur ou un service d’entreen qualié ou

par le fournisseur de gaz.

— 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.

This manual provides informaon on the installaon, operaon, and maintenance of the water heater. For proper

operaon and safety, it is important to follow the instrucons and adhere to the safety precauons.

A licensed professional must install the water heater according to the exact instrucons on pages 4-20.

The consumer must read the enre manual to properly operate the water heater and to have regular maintenance

performed.

Outdoor Tankless Water Heater

Installaon and Operaon Manual

FOR OUTDOOR APPLICATIONS ONLY

V53De ................... REU-AM1620WD-US

Full-length French and Spanish versions

available online at rinnai.us

Place

Model/Serial #

Label Here

Located in Manual Bag

Assurez-vous de bien suivre les instrucons données dans cee noce pour

réduire au minimum le risque d’incendie ou d’explosion ou pour éviter tout

dommage matériel, toute blessure ou la mort.

AVERTISSEMENT

ANSI Z21.10.3 ● CSA 4.3

Low Lead Content

NSF/ANSI 372

2 V53De Manual

Table of Contents

This is the safety alert symbol. This symbol alerts you to potenal hazards that can kill or hurt you

and others.

Indicates an imminently hazardous situaon which, if not avoided, will result in death or

serious injury.

Indicates a potenally hazardous situaon which, if not avoided, could result in death or

serious injury.

Indicates a potenally hazardous situaon which, if not avoided, could result in minor or

moderate injury. It may also be used to alert against unsafe pracces.

DANGER

CAUTION

WARNING

Table of Contents ..................................................... 2

Safety Behaviors and Pracces for the

Consumer and Installer ............................................ 3

Installaon Instrucons

(for the licensed professional) .............................. 4

Prepare for Installaon ...................................... 5

Determine Installaon Locaon ........................ 5

Water Quality .................................................... 5

Checklist to Determine Installaon Locaon .... 8

Freeze Protecon .............................................. 8

Mount to Wall ................................................... 8

Remove the Front Panel .................................... 9

Installaon of Plumbing ..................................... 9

Checklist for Plumbing ..................................... 11

Installaon of Gas Supply ................................ 11

Connect Electricity ........................................... 13

Adjust for High Altude ................................... 13

Checklist for Gas and Electricity ...................... 13

Installaon of Temperature Controller ........... 14

Mounng the Controller ........................................ 15

Final Checklist ......................................................... 16

Technical Data ........................................................ 17

Specicaons ................................................... 17

Dimensions ....................................................... 18

Pressure Drop and Water Flow Curves ............ 19

Ladder Diagram ................................................ 20

Operaon Instrucons ....................................... 21

Consumer Operaon Guidelines for the

Safe Operaon of your Water Heater .............. 22

How to Use the Temperature Controller ......... 23

How to Set the Temperature ........................... 24

Diagnosc Codes .............................................. 27

Required Maintenance..................................... 29

Freeze Protecon and Winterizing ........... 30

Flushing the Heat Exchanger ..................... 31

Manual Draining of the Water Heater ...... 32

Limited Warranty .................................................... 33

Important Safety Informaon

Safety Denions

NOTICE: Rinnai somemes shares customer contact informaon with businesses that we believe provide

products or services that may be useful to you. By providing this informaon, you agree that we can

share your contact informaon for this purpose. If you prefer not to have your informaon shared with

these businesses, please contact customer service and ask not to have your informaon shared. We

will however, connue to contact you with informaon relevant to the product(s) you registered and/

or you account with us.

If you have any quesons or feel that the manual is incomplete contact Rinnai at 1-800-621-9419.

V53De Manual 3

CAUTION

• BURN HAZARD. Hot exhaust and exhaust outlet

may cause serious burns. Keep away from water

heater unit. Keep small children and animals away

from unit.

• Hot water outlet pipes leaving the unit can be hot

to touch. In residenal applicaons, insulaon

must be used for hot water pipes 36” or less

(height) from the oors due to burn risk to children.

Safety Behaviors and Pracces for the Consumer and Installer

• Before operang, smell all around the appliance

area for gas. Be sure to smell next to the oor

because some gas is heavier than air and will sele

on the oor.

• Keep the area around the appliance clear and free

from combusble materials, gasoline, and other

ammable vapors and liquids.

• Combusble construcon refers to adjacent walls

and ceiling and should not be confused with

combusble or ammable products and materials.

Combusble and/or ammable products and

materials should never be stored in the vicinity of

this or any gas appliance.

• Always check the water temperature before

entering a shower or bath.

• To protect yourself from harm, before performing

maintenance:

 Turn o the electrical power supply by

unplugging the power cord or by turning o the

electricity at the circuit breaker. (The

temperature controller does not control the

electrical power).

 Turn o the gas at the manual gas valve, usually

located immediately below the water heater.

 Turn o the incoming water supply. This can be

done at the isolaon valve immediately below

the water heater or by turning o the water

supply to the building.

WARNING / AVERTISSEMENT

• Use only your hand to push in or turn the gas

control knob. Never use tools. If the knob will not

push in or turn by hand, do not try to repair it; call a

licensed professional. Force or aempted repair

may result in a re or explosion.

• Do not use this appliance if any part has been under

water. Immediately call a licensed professional to

inspect the appliance and to replace any part of the

control system and any gas control which has been

under water.

(N’ulisez pas cet appareil s’il a été plongé dans

l’eau, même parellement. Faites inspecter

l’appareil par un technicien qualié et remplacez

toute pare du système de contrôle et toute

commande qui ont été plongés dans l’eau).

• Do not use substute materials. Use only parts

cered with the appliance.

• Should overheang occur or the gas supply fail to

shut o, turn o the manual gas control valve to the

appliance.

(En cas de surchaue ou si l’alimentaon en gaz ne

s’arrête pas, fermez manuellement le robinet d’arrêt

de l’admission de gaz).

• Do not adjust the Dip switch unless specically

instructed to do so.

• Do not use an extension cord or an adapter plug

with this appliance.

• Any alteraon to the appliance or its controls can be

dangerous and will void the warranty.

WARNING / AVERTISSEMENT

California law requires the following Proposion 65 warning to be provided:

This product can expose you to chemicals including lead, lead compounds and carbon bisulde which are known

to the State of California to cause cancer, birth defects or other reproducve harm. For more informaon, visit

www.P65Warnings.ca.gov.

4 V53De Manual

It is recommended that a licensed professional install

the appliance, inspect it, and leak test it before use.

The warranty may be voided due to any improper

installaon.

The installer should have skills such as:

• gas sizing

• connecng gas lines, water lines, valves,

electricity,

• knowledge of applicable naonal, state, and

local codes.

If you lack these skills contact a licensed professional.

Installaon Instrucons

Installaon Steps

General Instrucons

Prepare for Installaon ...................................... 5

Determine Installaon Locaon ......................... 5

Checklist to Determine Installaon Locaon ..... 8

Mount to Wall .................................................... 8

Remove the Front Panel .................................... 9

Installaon of Plumbing ..................................... 9

Checklist for Plumbing ..................................... 11

Installaon of Gas Supply ................................. 11

Connect Electricity ........................................... 13

Adjust for High Altude ................................... 13

Checklist for Gas and Electricity ....................... 13

Installaon of Temperature Controller ............ 14

Mounng the Controller .................................. 15

Final Checklist................................................... 16

Installer Qualicaons

DO NOT

• Do not install the V53De indoors.

• Do not install the appliance in an area where water

leakage of the unit or connecons will result in

damage to the area adjacent to the appliance or to

lower oors of the structure. When such locaons

cannot be avoided, it is recommended that a

suitable drain pan, adequately drained, be installed

under the appliance. The pan must not restrict

combuson air ow.

• Do not obstruct the ow of combuson and

venlaon air. Combuson air shall not be

supplied from occupied spaces.

• Do not use this appliance in an applicaon such as

a pool or spa heater that uses chemically treated

water . (This appliance is suitable for lling large or

whirlpool spa tubs with potable water.)

• Do not use substute parts that are not authorized

for this appliance.

MUST DO

• The installaon must conform with local codes or,

in the absence of local codes, with the Naonal

Fuel Gas Code, ANSI Z223.1/NFPA 54, or the

Natural Gas and Propane Installaon Code, CSA

B149.1. If installed in a manufactured home, the

installaon must conform with the Manufactured

Home Construcon and Safety Standard, Title 24

CFR, Part 3280 and/or CAN/SCA Z240 MH Series,

Mobile Homes.

• The appliance, when installed, must be electrically

grounded in accordance with local codes or, in the

absence of local codes, with the Naonal Electrical

Code, ANSI/NFPA 70, or the Canadian Electrical

Code, CSA C22.1.

• The appliance and its appliance main gas valve

must be disconnected from the gas supply piping

system during any pressure tesng of that system

at test pressures in excess of 1/2 psi (3.5 kPa)

(13.84 in W.C.).

• The appliance must be isolated from the gas supply

piping system by closing its individual manual

shuto valve during any pressure tesng of the gas

supply piping system at test pressures equal to or

less than 1/2 psi (3.5 kPa) (13.84 in W.C.).

• You must follow the installaon instrucons for

adequate combuson air intake and exhaust.

INFORMATION

• If a water heater is installed in a closed water

supply system, such as one having a backow

preventer in the cold water supply line, means

shall be provided to control thermal expansion.

Contact the water supplier or local plumbing

inspector on how to control thermal expansion.

Type of installaon

• For installaon in residenal applicaons.

• Cered for installaon in manufactured (mobile)

homes.

V53De Manual 5

Prepare for installaon

Parts included

Tools needed

Materials needed

• Tankless water heater

• Pipe wrenches (2)

• Adjustable pliers

• Screwdrivers (2)

• Wire cuers

• Gloves

• Safety glasses

• Level

Tools that might be needed

• Hammer drill with

concrete bits

• Saw

• Threading machine with

heads and oiler

• Core drill with diamond

head

• Torch set

• Copper tubing cuer

• Steel pipe cuer

Materials that may be needed

• Soap soluon

• Pressure relief valve

• Teon tape

(recommended) or pipe

compound

• Heat tape

• Pipe insulaon

• Electrical wire and

conduit per local code

• Concrete wall anchors

• Oponal pipe cover

• Oponal temperature

controller

• 5/8” ID PVC exible

tubing

• 2 conductor 22 AWG

wire for controller

• Single gang electrical

box

• Wire nuts

• Unions, drain valves,

isolaon valves

Consideraon of care for your water heater should

include evaluaon of water quality.

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.

Determine Installaon Locaon

Water Quality

* Source: Part 143 Naonal Secondary Drinking Water

Regulaons

You must ensure that clearances will be met.

Consider the installaon environment, water quality,

and need for freeze protecon. Requirements for the

gas line, water lines, electrical connecon, and

• Should overheang occur or the gas supply fail to

shut o, turn o the manual gas control valve to

the appliance.

(En cas de surchaue ou si l’alimentaon en gaz ne

s’arrête pas, fermez manuellement le robinet

d’arrêt de l’admission de gaz).

• Keep the air intake locaon free of chemicals such

as chlorine or bleach that produce fumes. These

fumes can damage components and reduce the

life of your appliance.

Maximum Level

Total Hardness Up to 200 mg / L

Aluminum * Up to 0.2 mg / L

Chlorides * Up to 250 mg / L

Copper * Up to 1.0 mg / L

Dissolved Carbon Dioxide (CO2) Up to 15.0 mg / L or PPM

Iron * Up to 0.3 mg / L

Manganese * Up to 0.05 mg / L

pH * 6.5 to 8.5

TDS (Total Dissolved Solids) * Up to 500 mg / L

Zinc * Up to 5 mg / L

If you install this water heater in an area that is

known to have hard water or that causes scale build-

up the water must be treated and/or the heat

exchanger ushed regularly.

When scale build-up in the heat exchanger begins to

aect the performance of the water heater, a

diagnosc code “LC#” will display. Flush the heat

exchanger to prevent damage to it. Scale build up is

caused by hard water set at a high temperature.

Rinnai oers Southeastern Filtraon’s “ScaleCuer

Water Condioning System” that oers superior lime

scale prevenon and corrosion control by feeding a

blend of control compounds into the cold water

supply.

Part Number Descripon

103000038

Southeastern Filtratrion

ScaleCuer System 3/4” Feed

103000039 ScaleCuer Rell

condensate disposal can be found in their respecve

installaon secons of this manual.

6 V53De Manual

Ref

Descripon

Canadian Installaons

(CSA B149.1)

US Installaons

(ANSI Z223.1 / NFPA 54)

A Clearance above grade, veranda, porch, deck, or balcony 12 inches (30 cm) 12 inches (30 cm)

B Clearance to window or door that may be opened

6 in (15 cm) for appliances ≤ 10,000 Btuh (3

kW), 12 in (30 cm) for appliances > 10,000

Btuh (3 kW) and ≤ 100,000 Btuh (30 kW), 36 in

(91 cm) for appliances >100,000 Btuh (30 kW)

4  (1.2 m) below or to side of opening;

1  (300 mm) above opening

C Clearance to permanently closed window * *

Vercal clearance to venlated sot, located above the terminal within a

horizontal distance of 2 feet (61 cm) from the center line of the terminal

* *

E Clearance to unvenlated sot * *

F Clearance to outside corner * *

G Clearance to inside corner * *

Clearance to each side of center line extended above meter/regulator

assembly

* *

I Clearance to service regulator vent outlet

Above a regulator within 3  (91 cm)

horizontally of the vercal center line of the

regulator vent outlet to a maximum vercal

distance of 15  (4.5 m)

Clearance to non-mechanical air supply inlet to building or the combuson

air inlet to any other appliance

6 in (15 cm) for appliances ≤ 10,000 Btuh (3

kW), 12 in (30 cm) for appliances > 10,000

Btuh (3 kW) and ≤ 100,000 Btuh (30 kW), 36 in

(91 cm) for appliances >100,000 Btuh (30 kW)

4  (1.2 m) below or to side of opening;

1  (300 mm) above opening

K Clearance to a mechanical air supply inlet 6  (1.83 m)

3  (91 cm) above if within 10  (3 m)

horizontally

Clearance above paved sidewalk or paved driveway located on public

property

7  (2.13 m)  7  (2.13 m)

M Clearance under veranda, porch, deck, or balcony

12 inches (30 cm) ‡

* For clearances not specied in ANSI Z223.1/NFPA 54 or CSA B149.1, one of the following shall be indicated:

A) a minimum clearance value determined by tesng in accordance with Clause 5.21, Dra hoods; or

B) a reference to the following footnote: “Clearance in accordance with local installaon codes and the requirements of the gas supplier.”

† A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings.

‡ Permied only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the oor.

Notes: 1) In accordance with the current CSA B149.1, Natural Gas and Propane Installaon Code.

2) In accordance with the current ANSI Z223.1/NFPA 54, Naonal Fuel Gas Code.

Exhaust Outlet Clearances

AIR SUPPLY INLET

VENT TERMINAL

AREA WHERE TERMINAL

IS NOT PERMITTTED

SNOW

TERMINATION

Clearance in

Ref. A also

applies to

anticipated

snow line

V53De Manual 7

12"

60"

36"

Unit clearances

Local codes supersede these clearances.

• Avoid terminaon locaons near a dryer vent.

• Avoid terminaon locaons near commercial

cooking exhaust.

Addional clearances

The clearance for servicing is

24 inches in front of the water

heater.

(0.30 m) to an

inside corner

(50 mm) between

terminals at same

level

(1.52 m)

vercally

between

terminals

(0.91 m) to venlated or unvenlated

sot or eve vent; or to a deck or porch

Combusbles

inches (mm)

to Non-

Combusbles

inches (mm)

Top of Heater

12 (305) 2 (51)

Back of Heater

0 (zero) 0 (zero)

Front (Panel)

24 (610) 0 (zero)

Front (Exhaust)

24 (610) 24 (610)

Sides of Heater

6 (152) 1/8 (3.2)

Ground/Boom

12 (305) 2 (51)

Environment

Air surrounding the water heater is used for

combuson and must be free of any compounds that

cause corrosion of internal components. These

include corrosive compounds that are found in

aerosol sprays, detergents, bleaches, cleaning

solvents, oil based paints/ varnishes, and refrigerants.

The air in beauty shops, dry cleaning stores, photo

processing labs, and storage areas for pool supplies

oen contains these compounds. Therefore it is

recommended that outdoor models be used for these

locaons where possible.

The water heater should not be installed in any areas

where the air may contain these corrosive

compounds. If it is necessary for a water heater to be

located in areas which may contain corrosive

compounds, the following instrucons are strongly

recommended.

IMPORTANT CONSIDERATIONS:

• Install the water heater as far away as possible

from exhaust vent hoods.

• Install as far away as possible from air inlet

vents. Corrosive fumes may be released through

these vents when air is not being brought in

through them.

• Chemicals that are corrosive in nature should not

be stored or used near the water heater.

Damage and repair due to corrosive compounds in

the air is not covered by warranty.

to top

to front

to ground/boom

to side

8 V53De Manual

In addion, the solenoid valves should be connected

electrically to a surge protector with terminals. This

allows the solenoid valves to operate if the water

heater is disabled due to a diagnosc code.

The freeze protecon features will not prevent the

external piping from freezing. It is recommended that

hot and cold water pipes are insulated. Pipe cover

enclosures may be packed with insulaon for added

freeze protecon.

In the event of a power failure at temperatures below

freezing the water heater should be drained of all

water to prevent freezing damage. In addion, drain

the condensate trap and drain line.

Checklist to Determine Installaon

Locaon

□ The water heater is not exposed to corrosive

compounds in the air.

□ The water heater locaon complies with the

clearances.

□ The planned exhaust outlet/air intake locaon

meets the clearances.

□ The water supply does not contain chemicals or

exceed total hardness that will damage the heat

exchanger.

□ A 120 VAC, 60 Hz source is available.

□ The installaon must conform with local codes or,

in the absence of local codes, with the Naonal

Fuel Gas Code, ANSI Z223.1/NFPA 54, or the

Natural Gas and Propane Installaon Code, CSA

B149.1. If installed in a manufactured home, the

installaon must conform with the Manufactured

Home Construcon and Safety Standard, Title 24

CFR, Part 3280 and/or CAN/SCA Z240 MH Series,

Mobile Homes.

□ Leave the enre manual taped to the

temperature controller (if installed), or give the

enre manual directly to the consumer.

Mount to Wall

1. Idenfy the installaon locaon and conrm that

the installaon will meet all required clearances.

2. Securely aach the water heater to the wall using

any of the holes in the wall installaon brackets

which are at the top and boom of the water

heater. Ensure that the aachment strength is

sucient to support the weight. Refer to the

weight of the water heater in the Specicaons

secon.

Use a leveling tool to ensure that the water

heater is level. Proper operaon requires that

the water heater be level.

NOTE: The water heater should be installed in an

upright posion. Do not install upside down or on its

side.

Make sure that in case of freezing weather that the

water heater and its water lines are protected to

prevent freezing. Damage due to freezing is not cov-

ered by the warranty.

Loss of freeze protecon may result in water damage

from a burst heat exchanger or water lines.

With electrical power supplied, the water heater will

not freeze when the outside air temperature is as

cold as –4°F (-20°C) for outdoor models, when pro-

tected from direct wind exposure. Because of the

“wind-chill” eect, any wind or circulaon of the air

on the unit will reduce its ability to freeze protect.

The unit may be drained manually. However, it is

highly recommended that:

• drain down solenoid valves are installed that will

automacally drain the unit if power is lost.

These are available in a kit, 104000059.

Freeze Protecon

V53De Manual 9

Installaon of Plumbing

A manual water control valve must be placed in the

water inlet connecon to the water heater before it is

connected to the water line. Unions may be used on

both the hot and cold water lines for future servicing

and disconnecon of the unit.

DO NOT

• Do not introduce toxic chemicals such as those

used for boiler water treatment to the potable

water used for space heang.

MUST DO

• The piping (including soldering materials) and

components connected to this appliance must be

approved for use in potable water systems.

• Purge the water line to remove all debris and air.

Debris will damage the water heater.

• If the appliance will be used as a potable water

source, it must not be connected to a system that

was previously used with a non-potable water

heang appliance.

• Ensure that the water lter on the water heater is

clean and installed.

Piping Requirements

Pressure Relief Valve Requirements

Install the pressure relief valve according to local

plumbing codes and these instrucons.

An approved pressure relief valve is required by the

American Naonal Standard (ANSI Z21.10.3) for all

water heang systems, and shall be accessible for

servicing.

DO NOT

• Do not plug the relief valve and do not install any

reducing ngs or other restricons in the relief

line. The relief line should allow for complete

drainage of the valve and the line.

• Do not place any other type valve or shut o

device between the relief valve and the water

heater.

MUST DO

• The relief valve must comply with the standard for

Relief Valves and Automac Gas Shuto Devices for

Hot Water Supply Systems ANSI Z21.22 and /or the

standard Temperature, Pressure, Temperature and

Pressure Relief Valves and Vacuum Relief Valves,

CAN1-4.4.

• The relief valve must be rated up to 150 psi and to

at least the maximum BTU/hr of the appliance.

• The discharge from the pressure relief valve should

be piped to the ground or into a drain system to

prevent exposure or possible burn hazards to

humans or other plant or animal life. Follow local

codes. Water discharged from the relief valve

could cause severe burns instantly, scalds, or

death.

• The pressure relief valve must be manually

operated once a year to check for correct

operaon.

• The relief valve should be added to the hot water

outlet line and near the hot water outlet according

to the manufacturer’s instrucons. DO NOT place

any other type valve or shut o device between

the relief valve and the water heater.

INFORMATION

• If a relief valve discharges periodically, this may be

due to thermal expansion in a closed water supply

system. Contact the water supplier or local

plumbing inspector on how to correct this

situaon. Do not plug the relief valve.

• The American Naonal Standard (ANSI Z21.10.3)

does not require a combinaon temperature and

pressure relief valve for this appliance. However,

local codes may require a combinaon

temperature and pressure relief valve.

Isolaon Valves

Rinnai strongly recommends the installaon of

isolaon valves on the cold and hot water lines

because they provide the ability to isolate the water

heater from the structure’s plumbing and allow quick

access to ush the heat exchanger. Flushing the heat

exchanger regularly is required as part of the proper

maintenance for this water heater.

Remove the Front Panel

• Slide the plasc trim pieces on each side of the

water heater to expose the screws.

• Remove the 4 screws and pull o the front panel.

10 V53De Manual

Piping Diagram for Basic Installaon

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

For Building Fixtures

Pressure Relief Valve

3/4" Ball Valve

3/4" Union

Check Valve

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.

V53De Manual 11

Connect Water Heater to Water Supply

Water connecons to the tankless water heater

should follow all state and local plumbing codes.

If this is a standard installaon, refer to the Piping

Diagram for Basic Installaon.

1. Plumb the cold water supply to the tankless water

heater on the 3/4” MNPT connecon at the

boom of the unit marked “COLD.

2. Plumb the building hot water supply to the 3/4”

MSPT connecon marked “HOT.”

If a pipe cover will be installed, make sure water lines

to the water heater t.

Checklist for Plumbing

□ Purge the water line of all debris and air by

closing the hot isolaon valve and opening the

cold isolaon valve and its drain. Debris will

damage the water heater. Use a bucket or hose

if necessary.

□ Ensure that hot and cold water lines are not

crossed to the unit and are leak free.

□ Ensure that a pressure relief valve is installed with

a rang that exceeds the BTU input of the water

heater model. Refer to the rang plate on the

side of the water heater for BTU input.

□ Clean the inlet water lter by closing the cold and

hot water inlet isolaon (shut-o) valves. Put a

bucket under the lter at the boom of the water

heater to catch any water that is contained inside

the unit. Unscrew the water lter. Rinse the

lter to remove any debris. Install the lter and

open the isolaon valves.

□ Check for proper water pressure to the water

heater. Minimum water pressure is 20 psi. Rinnai

recommends 60-80 psi for maximum

performance.

Installaon of Gas Supply

MUST DO

• A manual gas control valve must be placed in the

gas supply line to the water heater. A union can be

used on the connecon above the shut o valve

for the future servicing or disconnecon of the

unit.

• Check the type of gas and the gas inlet pressure

before connecng the water heater. If the water

heater is not of the gas type that the building is

supplied with, DO NOT connect the water heater.

Contact the dealer for the proper unit to match the

gas type.

• Check the gas supply pressure immediately

upstream at a locaon provided by the gas

company. Supplied gas pressure must be within

the limits shown in the Specicaons secon with

all gas appliances operang.

• Before placing the appliance in operaon all joints

including the heater must be checked for gas

ghtness by means of leak detector soluon, soap

and water, or an equivalent nonammable

soluon, as applicable. (Since some leak test

soluons, including soap and water, may cause

corrosion or stress cracking, the piping shall be

rinsed with water aer tesng, unless it has been

determined that the leak test soluon is non-

corrosive.)

• Use approved connectors to connect the unit to

the gas line. Purge the gas line of any debris

before connecon to the water heater.

General Instrucons

WARNING / AVERTISSEMENT

1. If you are not knowledgeable or qualied to

install gas lines or connecons, then contact a

licensed professional to install the gas supply.

2. Turn o 120v power supply.

3. Turn o the gas.

4. Gas is ammable. Do not smoke or provide other

ignion sources while working with gas.

5. Do not turn on the water heater or gas unl all

fumes are gone.

12 V53De Manual

Size the gas pipe

The gas supply must be capable of handling the enre

gas load at the locaon. Gas line sizing is based on

gas type, the pressure drop in the system, the gas

pressure supplied, and gas line type. For gas pipe

sizing in the United States, refer to the Naonal Fuel

Gas Code, NFPA 54. The below informaon is

provided as an example. The appropriate table from

the applicable code must be used.

1. For some tables, you will need to determine the

cubic feet per hour of gas required by dividing the

gas input by the heang value of the gas

(available from the local gas company). The gas

input needs to include all gas products at the

locaon and the maximum BTU usage at full load

when all gas products are in use.

2. Use the table for your gas type and pipe type to

nd the pipe size required. The pipe size must be

able to provide the required cubic feet per hour

of gas or the required BTU/hour.

Example:

The heang value of natural gas for your locaon is

1000 BTU/FT

. The gas input of the V53De is 120,000

BTU/HR. Addional appliances at the locaon require

65,000 BTU/hr. Therefore the cubic feet per hour =

(120,000 + 65,000) / 1000 = 185 FT

/HR. If the pipe

length is 20 feet then the 3/4 inch pipe size is capable

of supplying 188 FT

/HR of natural gas.

Gas Input of all gas products (BTU / HR)

Heang Value of Gas (BTU / FT

)

Cubic Feet

per Hour =

(CFH)

• Any compound used on the threaded joint of the

gas piping shall be a type which resists the acon

of liqueed petroleum gas (propane / LPG).

• The gas supply line shall be gas ght, sized, and so

installed as to provide a supply of gas sucient to

meet the maximum demand of the heater and all

other gas consuming appliances at the locaon

without loss of pressure.

INFORMATION

• Refer to an approved pipe sizing chart if in doubt

about the size of the gas line.

Length

Pipe Size (inches)

3/4 1 1 1/4 1 1/2

10 273 514 1060 1580

20 188 353 726 1090

30 151 284 583 873

40 129 243 499 747

50 114 215 442 662

60 104 195 400 600

70 95 179 368 552

80 89 167 343 514

90 83 157 322 482

100 79 148 304 455

Pipe Sizing Table - Natural Gas

Inlet Pressure: less than 2 psi (55 inches W.C.)

Pressure Drop: 0.3 inches W.C.

Specic Gravity: 0.60

Schedule 40 Metallic Pipe

cubic feet per hour

Length

Pipe Size (inches)

1/2 3/4 1 1 1/4

10 291 608 1150 2350

20 200 418 787 1620

30 160 336 632 1300

40 137 287 541 1110

50 122 255 480 985

60 110 231 434 892

80 101 212 400 821

100 94 197 372 763

Pipe Sizing Table - Propane Gas

Inlet Pressure: 11.0 inches W.C.

Pressure Drop: 0.5 inches W.C.

Specic Gravity: 1.50

Schedule 40 Metallic Pipe

Capacity in Thousands of BTU per Hour

V53De Manual 13

Connect Electricity

Do not rely on the gas or water piping to ground the

water heater. A screw is provided in the juncon box

for the grounding connecon.

The water heater requires 120 VAC, 60 Hz power from

a properly grounded circuit.

A disconnect switch must be provided and installed

for the incoming 120 VAC power. It should be a type

that is suitable for outdoor use. Check the Naonal

Electrical Code, ANSI/NFPA 70, or the Canadian

Electrical Code, CSA C22.1, and your local codes for a

proper switch type to use in your area.

The wiring diagram is located on the Technical Sheet

aached to the inside of the front cover.

WARNING / AVERTISSEMENT

Do not use an extension cord or an adapter plug with

this appliance.

The water heater must be electrically grounded in

accordance with local codes and ordinances or, in the

absence of local codes, in accordance with the

Naonal Electrical Code, ANSI/NFPA No. 70.

Checklist for Gas and Electricity

□ A manual gas control valve is placed in the gas

line to the water heater.

□ Check the gas lines and connecons for leaks.

□ Conrm that the gas inlet pressure is within

limits.

□ Conrm that the water heater is rated for the gas

type supplied.

□ Conrm that the electricity is supplied from 120

VAC, 60 Hz power source and is in a properly

grounded circuit.

□ An extension cord or an adapter plug has not

been used with the water heater.

Adjust for High Altude

On the Dip switches, set switches No. 2 and No. 3 to

the values shown in table below for your altude.

The default seng for the appliance is 0-2000 

(0-610 m) with switches No. 2 and No. 3 in the OFF

posion.

When the Dip switch is adjusted, it is not necessary to

adjust the gas pressure seng for high altude.

Altude

Switch

No. 2

Switch

No. 3

0-2000  (0-610 m) OFF OFF

2001-5200  (610-1585 m) OFF ON

5201-7700  (1585-2347 m) ON OFF

7701-10200  (2347-3109 m) ON ON

Dip Switch

Locaon

Switch Funcons

SW1 No Funcon

SW2 High Alt.

SW3 High Alt.

SW4 Gas ON/OFF

From Disconnect

Inside the appliance

To PCB

Field

Applicaon

Factory

Connected

14 V53De Manual

Installaon of Temperature Controller

Controller Locaon

Cable Lengths and Sizes

• The controller should be out of reach of small

children.

• Avoid locaons where the controller may become

hot (near the oven or radiant heater).

• Avoid locaons in direct sunlight. The digital

display may be dicult to read in direct sunlight.

• Avoid locaons where the temperature controller

could be splashed with liquids.

• Do not install in locaons where it can be

adjusted by the public.

The cable for the temperature controller should be a

non-polarized two-core cable with a minimum gauge

of 22 AWG. The maximum cable length from each

controller to the water heater depends on the total

number of wired controllers connected to the water

heater.

Number of Wired

Controllers

Maximum Cable Length for each

Controller to Water Heater

1 328  (100 m)

2 164  (50 m)

3 or 4 65  (20 m)

Turn the power o. Do not aempt to connect the

temperature controllers with the power on. Although

the controller is a low voltage device, there is 120 volt

potenal next to the temperature controller

connecons inside the unit.

Do not connect the temperature controller to the

120VAC terminals provided for the oponal solenoid

drain valves.

WARNING / AVERTISSEMENT

Conguraons

A maximum of 4 temperature controllers can be

installed for a water heater or bank of water heaters.

This includes the controller built into an indoor water

heater. Controllers can only be wired in parallel.

Controllers cannot be wired in series.

If 4 MC-601-US controllers are installed,

simultaneously press the Priority and ON/OFF buons

on the fourth controller unl a beep sounds.

Residenal Applicaons: MC-601-US-BK,

MC-601-US-W

Wire controllers in parallel

V53De Manual 15

Mounng the Controller

Follow the procedure below to install an MC-601-US

temperature controller.

1. Determine a suitable locaon for the controller.

2. Make three holes in the wall as shown.

3. Run the wiring between the controller and the

Rinnai water heater or the controller and another

controller as shown in the illustraon on P.14.

4. Remove the face plate from temperature

controller using a screwdriver.

5. Connect the cable to the temperature controller

(refer to remote controller installaon instrucons

for details).

6. Mount the controller to the wall using the holes

drilled in step 2.

7. Disconnect power from the water heater.

8. Remove the screw on the Quick Cable Connector.

(Fig. 1)

9. Rotate the Quick Cable Connector. (Fig. 2)

10. Route the wires through the Cable Access Hole

(Fig. 2)

11. Loosen the clamp screw and secure the wires with

the clamp. The clamp is in the box with the

temperature controller. Make sure the wire

lengths are of sucient length. There should be

no tension in the wires. (Fig. 3)

12. Loosen 2 screws on the terminals for controls and

connect the cable (polarity is unimportant, either

color can be connected to either terminal). When

connecng more than 2 cables, connect them in

parallel. (Fig. 4)

13. Reinstall the Quick Cable Connecon. (Fig. 5)

Outline of Remote

securing screw

1-21/32"

3-5/16"

securing screw

wiring hole

16 V53De Manual

Final Checklist

□ The water heater is not subject to corrosive

compounds in the air.

□ The water supply does not contain chemicals or

exceeds total hardness that will damage the heat

exchanger.

□ Clearances from the water heater unit are met.

□ Clearances from the exhaust outlet / air intake

are met.

□ Purge the water line of all debris and air by

closing the hot isolaon valve and opening the

cold isolaon valve and its drain. Debris will

damage the water heater. Use a bucket or hose

if necessary.

□ Ensure that hot and cold water lines are not

crossed to the unit and are leak free.

□ Clean the inlet water lter by closing the cold and

hot water inlet isolaon (shut-o) valves. Put a

bucket under the lter at the boom of the water

heater to catch any water that is contained inside

the unit. Unscrew the water lter. Rinse the

lter to remove any debris. Install the lter and

open the isolaon valves.

□ Ensure that a pressure relief valve is installed with

a rang that exceeds the BTU input of the water

heater model. Refer to the rang plate on the

side of the water heater for BTU input.

□ A manual gas control valve has been placed in the

gas line to the water heater.

□ Check the gas lines and connecons for leaks.

□ Conrm that the gas inlet pressure is within

limits.

□ Conrm that the water heater is rated for the gas

type supplied.

□ Conrm that the electricity is supplied from a 120

VAC, 60 Hz power source, is in a properly

grounded circuit, and turned on.

□ Verify the temperature controller is funconing

properly.

□ Verify that Dip switches No. 2 and No. 3 are set

correctly for your altude.

□ Verify the system is funconing correctly by

connecng your manometer to the gas pressure

test port on the water heater. Operate all gas

appliances in the home or facility at high re. The

inlet gas pressure at the water heater must not

drop below that listed on the rang plate.

□ If the water heater is not needed for immediate

use, then drain the water from the heat

exchanger.

□ Install the front panel.

□ Explain to the customer the importance of not

blocking the exhaust outlet or air intake.

□ Explain to the customer the operaon of the

water heater, safety guidelines, maintenance, and

warranty.

□ The installaon must conform with local codes or,

in the absence of local codes, with the Naonal

Fuel Gas Code, ANSI Z223.1/NFPA 54, or the

Natural Gas and Propane Installaon Code, CSA

B149.1. If installed in a manufactured home, the

installaon must conform with the Manufactured

Home Construcon and Safety Standard, Title 24

CFR, Part 3280 and/or CAN/SCA Z240 MH Series,

Mobile Homes.

□ Leave the enre manual taped to the

temperature controller (if installed), or give the

enre manual directly to the consumer.

V53De Manual 17

Technical Data

Specicaons

* Minimum ow may vary slightly depending on the temperature seng and the inlet water temperature.

Minimum acvaon ow is 0.6 GPM (1.5 L/min).

Our products are connually being updated and improved; therefore, specicaons are subject to change without prior noce.

The maximum inlet gas pressure must not exceed the value specied by the manufacturer. The minimum value listed is for the purpose of input

adjustment.

V53De

Minimum Gas Consumpon Btu/h 15,500 (LP & NG Both)

Maximum Gas Consumpon Btu/h 120,000

Hot water capacity (Min - Max) * 0.4 - 5.3 GPM (1.5 - 20.0 L/min)

Temperature Sengs (without temperature controller) 120° F (49° C), default or 140° F (60° C)

Temperature Controller Default Seng 115° F (46° C)

Maximum Temp Seng (residenal)

see Temperature Ranges for more informaon

140° F (60° C)

Minimum Temperature Seng 115° F (46° C)

Weight 29.7 lb. (13.5 kg)

Noise level 54 dB

Electrical Consumpon

Normal 50W

Standby 2 W

An-frost Protecon 64W

Max Current 1.2A

Fuse 5A

By-Pass Control Fixed

Gas Supply Pressure

Natural Gas 4.5 - 10.5 inch W.C.

Propane 8.0 - 13.5 inch W.C.

Type of Appliance Temperature controlled connuous ow gas hot water system.

Connecons

Gas Supply: 3/4" MNPT, Cold Water Inlet: 3/4" MNPT, Hot Water Outlet: 3/4"

MNPT

Ignion System Direct Electronic Ignion

Electric Connecons Appliance: AC 120 Volts, 60Hz. Remote Control: DC 12 Volts (Digital)

Water Temperature Control Simulaon Feedforward and Feedback.

Water Supply Pressure

Minimum Water Pressure: 20 PSI (Recommended 30-80 PSI for maximum

performance)

Maximum Water Supply Pressure 150 PSI

Remote Control Cable Non-Polarized Two Core Cable (Minimum 22 AWG)

Cered for installaon in manufactured (mobile) homes Yes

NOx

Complies with South Coast Air Quality Management District 40 ng/J

NOx emission levels

18 V53De Manual

Dimensions

DIM DESCRIPTION V53De

in (mm)

A Width 14.0 (356)

B Depth * 7.9 (202)

C Height - Unit 19.8 (503)

Height - with

brackets

22.5 (571)

Hot Water Outlet -

from wall *

3.4 (87)

Hot Water Outlet -

from center

4.1 (105)

Cold Water Inlet -

from wall *

2.7 (68)

Cold Water Inlet -

from center

0.4 (10)

Gas Connecon -

from wall *

3.0 (77)

Gas Connecon -

from center

3.3 (83)

From base to gas

connecon

1.6 (40)

From base to cold

connecon

2.0 (50)

From base to hot

connecon

1.5 (39)

V53De Manual 19

Pressure Drop Curve

Water Flow Curve

0.0

1.0

2.0

3.0

4.0

5.0

6.0

0 25 50 75 100 125 150

delta T - Temperature Rise (°F)

Pressure Loss ( head)

Water Flow (gpm)

Pressure Loss (psi)

20 V53De Manual

Ladder Diagram

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Rinnai V53DeN Guide d'installation

Marque: Rinnai

Modèle: V53DeN

Catégorie: Chauffe-eau

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