Rinnai ES38 RHFE-1004RFA Kurzanleitung

— Do not store or use gasoline or other flammable 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 instructions.

• If you cannot reach your gas supplier, call the fire

department.

— Installation and service must be performed by a qualified

installer, service agency or the gas supplier.

WARNING: If the information in these instructions is not

followed exactly, a fire or explosion may result causing

property damage, personal injury or loss of life.

Owner’s Operation and Installation Manual for the

ES38 (RHFE-1004RFA)

Energysaver

Gas Direct Vent Wall Furnace

INSTALLER: Leave this manual with the appliance.

CONSUMER: Retain this manual for future reference.

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

Safety Information .......... 3

Operating Instructions .... 6

Care and Maintenance... 10

Fault Codes.................... 12

Installation Instructions... 14

Parts List ........................ 32

Consumer Support ......... 42

French Version............... 45

or call 1-866-RINNAI1 (746-6241)

2 Rinnai Corporation ES38 Manual

This appliance may be installed in an aftermarket, permanently located, manufactured home

(USA only) or mobile home, where not prohibited by local codes.

This appliance is only for use with the type of gas indicated on the rating plate. This appliance

is not convertible for use with other gases, unless a certified kit is used.

Table of Contents

This appliance may be installed as an OEM installation in a manufactured home (USA only) or

mobile home and must be installed in accordance with the manufacturer’s instructions and the

Manufactured Home construction and Safety Standard, Title 24 CFR, Part 3280, in the United

States, or the Mobile Home Standard, CAN/CSA Z240 MH Series, in Canada.

Consumer Safety Information

Safety Definitions ............................................. 3

Safety Behaviors and Practices....................... 3

Safety Features................................................ 4

Specifications

Appliance Specifications .............................. 4, 5

Features ........................................................... 5

Flue Manifolds.................................................. 5

Operating Instructions

Getting to Know your New Heating Appliance 6

Control Panel ................................................... 7

Operating the Heater .................................. 8, 9

Care and Maintenance................................... 10

Before Making a Service Call......................... 11

Fault Codes.................................................... 12

Restart Function............................................. 13

Troubleshooting ............................................. 13

Installation Instructions

General Instructions....................................... 14

Gas Connection ............................................. 15

Clearances to Combustibles.......................... 15

Flue Terminal Clearances ....................... 16, 17

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

Installation Parts ........................................... 19

Drilling Flue Hole ........................................... 20

Attach Wall Brackets...................................... 20

Attach Back Spacers ..................................... 20

Flue Manifold Installation......................... 21, 22

Extension Kit Installation .......................... 23-25

Connecting the Appliance.............................. 26

Operating Instructions ................................... 27

Cut-Away Diagram......................................... 28

Wiring Diagram .............................................. 29

Ladder Diagram ............................................. 30

Parts List................................................... 31-41

Consumer Support

Warranty Information ..................................... 42

Limited Warranty...................................... 42, 43

State Regulations.............................................. 44

Rinnai Corporation ES38 Manual 3

WARNING

CAUTION

Safety Behavior and Practices

• Do not block the warm air discharge. Do not allow

anyone to sleep directly in front of the appliance.

• Due to high temperatures, the appliance should be

located out of traffic and away from furniture and

draperies.

• Children and adults should be alerted to the

hazards of high surface temperature and should

stay away to avoid burns or clothing ignition.

• Young children should be carefully supervised

when they are in the same room as the appliance.

• Clothing or other flammable material should not be

placed on or near the appliance.

• Any safety screen or guard removed for servicing

must be replaced prior to operating the appliance.

• Do not insert items into the louvers.

• Do not spray aerosols near the appliance while it is

operating. Most aerosols contain butane gas which

is flammable.

• Do not unplug the appliance while it is operating or

while the fans are on.

• Do not use bare hands to touch the front louvers

due to high temperatures which may cause burns.

• Wear hand protection when touching the side back

covers, front louver, and rear intake for the

convection fan.

• Keep the area around the appliance clear and free

from combustible materials, gasoline, and other

flammable vapors and liquids.

• Never store liquid propane containers indoors.

• Do not use this appliance if any part has been

under water. Immediately call a qualified service

technician to inspect the appliance and to replace

any part of the control system and any gas control

which has been under water.

• This appliance is equipped with a three-prong plug

for your protection against shock hazard and

should be plugged directly into a properly grounded

three-prong receptacle. Do not cut or remove the

ground prong from this plug.

• Any alteration to the appliance or its controls can

be dangerous.

• Do not operate appliance with the panels removed,

cracked or broken. Replacement of the panels

should be done by a licensed or qualified service

person.

Consumer Safety Information

Safety Definitions

This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or hurt you and

others.

Indicates an imminently hazardous situation which, if not avoided, will result in death or

serious injury.

Indicates a potentially hazardous situation which, if not avoided, could result in death or

serious injury.

Indicates a potentially hazardous situation which, if not avoided, could result in minor or

moderate injury. It may also be used to alert against unsafe practices.

DANGER

CAUTION

WARNING

4 Rinnai Corporation ES38 Manual

Application For manufactured home (USA only) or mobile home or residential installation

convertible for use with natural gas and liquefied petroleum gases (propane /

LPG) when provision is made for the simple conversion from one gas to the

other.

For commercial setting.

For installation at altitudes up to 10,200 feet (3109 m).

General Description Forced combustion, forced convection, flued gas furnace

Operation Push button electronic

Gas Connection 1/2 in female NPT

Gas Control Electronic

Burners Stainless steel Bunsen burner

Temperature Control Electronic thermostat

Ignition System Electronic spark ignition

Flue System The flue must be terminated to atmosphere with only flue components listed

with the appliance’s certification. Warranty will be voided if non listed

components are installed.

Humidifier Tray Capacity - 7 pints (3000 cc)

Electrical Connection AC 120V, 60 Hz, 121 watts

Weight 90 lbs (41 kg)

Noise Level 37-47 dB

AFUE Rating Natural Gas: 80.6% Propane: 82.0%

Specifications

Rinnai is continually updating and improving products. Therefore, specifications are subject to change without

prior notice.

The efficiency rating of this appliance is a product thermal efficiency rating determined under continuous operating

conditions and was determined independently of any installed system.

Safety Features

• Overheat: The appliance will automatically shut

down when the appliance exceeds a predetermined

temperature.

• Flame Failure: The appliance will automatically

shut down if the burner flame is extinguished.

• Power Failure: The appliance will cut off the gas if

it loses electrical power.

• Power Surge Fuse: A glass fuse on the PC board

protects against overcurrent. If the fuse blows then

all indicator lamps will be off.

• Spark Detector: The appliance automatically shuts

down if there is an abnormal spark at ignition.

• Fusible Link: In case the overheat feature

prevents the temperature from rising then the fusible

link will break shutting off the appliance.

Appliance Specifications

Rinnai Corporation ES38 Manual 5

Features

• Restarts automatically when ignition or combustion

fails.

• Clean Heating Forced Flue Type

• Easy Operation One-Touch Ignition

• Sensible Temperature Control Feature

• Comfortable Room Temperature Control and

Display

• Warm Air Outlet at Floor Level (keeps your feet

warm)

• Function Lock

• Room Temperature Setting Memory

• Clean the Air Filter - Indicator Lamp

• Energy Saving Economy Setting

• Humidifier Tray

• Air Flow Directional Louvers

• Direct Vent Easily Installed

• Proportional Heating Variable Capacity

• Hush! Quiet Operation

• Modern Design Minimizes Floor Space

Requirements

• Fault Code Message Display

Appliance Specifications

The following flue manifold sizes are

available for different wall thicknesses: Name Kit No. fits walls

S Vent Kit FOT-150 3 - 4 1/2 in (75 - 115 mm)

A Vent Kit FOT-151 4 1/2 - 9 1/2 in (115 - 240 mm)

B Vent Kit FOT-152 9 1/2 - 15 3/4 in (240 - 400mm)

C Vent Kit FOT-153 15 3/4 - 23 5/8 in (400 - 600 mm)

D Vent Kit FOT-154 23 5/8 - 31 1/2 in (600 - 800 mm)

Natural Gas Propane Gas

Minimum supply gas pressure 5.0 in (127 mm) W.C. 11.0 in (280 mm) W.C.

Maximum supply gas pressure 10.5 in (267 mm) W.C. 13.0 in (330 mm) W.C.

BTU/hour input Low 10,500 High 38,400 Low 10,500 High 36,500

BTU/hour output Low 8,400 High 30,720 Low 8,400 High 29,200

Flue Manifolds

6 Rinnai Corporation ES38 Manual

Getting to know your new heating appliance

Operating Instructions

Rinnai Corporation ES38 Manual 7

Control Panel

All buttons beep when operated.

Set Temp

Room Temp

Economy

Temp

Control

Function Lock

Filter

ON/OFF

FUNCTION

LOCK

Lamp is "green"

when this feature

is on.

FILTER LAMP

Flashes when filter

is dirty.

OPERATION LAMP

This lamp turns

"green" when power

is on. Lamp will

change to "red"

when burner is on.

TEMPERATURE

BUTTONS

" " adjust temp. to

lower setting.

" " adjust temp. to

a higher setting.

ENERGY SAVING

BUTTON

Lamp is "green"

when this feature is

activated.

〈CONTROL PANEL 〉

〈INDICATOR DISPLAY 〉

TEMPERATURE

DISPLAY

SHOWS EITHER THE

TEMPERATURE OR

CODED ERROR

MESSAGES.

ON/OFF BUTTON

Easy operation

One touch ignition

8 Rinnai Corporation ES38 Manual

Operating the Heater

Turning the heater ON

When you press and release the

ON/OFF button, the Temperature

Level lamps will illuminate, the

combustion fan will begin to run,

and the spark will ignite the main

burner.

This heater has an automatic ignition system. When

the main burner has lit, the combustion lamp will glow

red, and the spark will stop.

If ignition does not occur after 15 seconds, the

appliance will automatically turn off and the

Temperature Level lamps will flash indicating a fault

code. This may occur when using the appliance for

the first time or if it has not been used for a while. Try

operating the appliance again.

There may be a smell of burning dust or oil the first

time the heater is lit or when the heater has been out

of operation for a long time.

The appliance may make noises after ignition or when

it is turned off. This is normal and is due to the

thermal expansion or contraction of its components.

Adjusting the Temperature

The first time that the appliance is turned on, the

preset temperature of 72° F will be shown on the

display. Every time the temperature setting is

changed, that temperature setting will be the latest

data appearing on the display the next time the

appliance is turned on.

To change the temperature setting, adjust the

temperature control buttons until the desired setting is

indicated.

When the desired temperature has been set, 10

seconds later, the display will show the current room

temperature.

The thermostat automatically modulates the burner

and the fan to maintain the temperature setting.

The temperature settings available are:

• LO - burner is on minimum combustion

• 60° F - 80° F in two degree increments

• HI - burner is on maximum combustion

Turning the heater OFF

Press the ON/OFF button. Do not

turn off by unplugging at the power

outlet.

The fan will continue to run for a

short time to prevent the internal

components from overheating.

ON/OFF

Economy Mode

Pressing the Economy button will cause

the appliance to go into Economy Mode

and the green lamp will glow. This

results in the temperature setting being

reduced by 2° F, 30 minutes after the

room temperature has reached the

temperature setting. After another 30

minutes the temperature setting is

reduced another 2° F. This could result

in the temperature setting being reduced by a

maximum of 4° F. The intent of this mode is to save

energy.

When the heater is running at the LO setting, the

Economy Mode does not function.

Economy

ON/OFF

Set Tem p

Ro o m Tem p

Temp

Control

Function Lock

Rinnai Corporation ES38 Manual 9

CAUTION

Adjusting Air Flow Direction

The vertical louvers may be adjusted to move the air

flow more to the right or to the left.

Use a screw driver or similar object to bend each

louver to the desired position.

Do not bend repeatedly (no more than 5 times) or else

the louver will break.

The horizontal louver (which determines the vertical air

flow direction) is fixed and cannot be adjusted.

Do not adjust the air flow

louvers while warm air is

flowing.

Operating the Heater

Adding Water to the Humidifier

To fill the tray, open the door as shown in the diagram

and pour water into the tray using the spout built into

the door. The air will be humidified as it passes over

the water in the tray.

During operation a small amount of condensation is

produced in the flue system and drains into the

humidifier tray.

If the water overflows from the water level hole, then

do not add any more water.

CAUTION

Do not fill the tray while the

appliance is in operation.

Close the door after filling.

The humidifier tray and

surrounding area are hot

when the appliance is on.

Lock

This feature locks the

buttons to prevent

unintended operation.

Press the up and

down buttons to

activate and the lamp

will glow. Pressing

and holding the up and down buttons for two seconds

will disengage the Lock.

If the Lock is engaged while the unit is operating, all

buttons will be disabled except for the ON/OFF button.

If the Lock is engaged while the unit is off, then all

buttons will be disabled. The Lock must be

disengaged in order to turn the unit on.

Filter Lamp

If the filter lamp flashes

during operation, check

the air filter for dust. If

dust is present, clean the

filter. See the Care and

Maintenance section. Turn the heater off before

cleaning the filter.

Sensible Temperature Control

The sensible temperature control feature allows

comfortable heating which matches the conditions in

the room.

Based on the information collected by the room

temperature thermistor when the heating starts, the

heating capacity is automatically adjusted to achieve

a comfortable heating effect and to reach the

temperature setting quickly.

Temp

Control

Function Lock

Fi l t er

Access Door

Max. Fill Line

Humidifier Tray

Filler Spout

Do not force door open too far.

Close door during operation.

Pull

10 Rinnai Corporation ES38 Manual

Care and Maintenance

Filters

Dirty filters reduce the air flow and the appliance’s

ability to produce heat. The filters should be cleaned

frequently during the heating season. If the filters

become blocked the filter indicator lamp will flash and

the appliance will beep. Eventually the appliance will

turn off and the Temperature Level lamp 14 will light,

indicating a fault code.

To clean the filters, the

appliance should be OFF

and cool. Remove the

filter and clean it using a

soft dry cloth or vacuum.

If the filter is greasy wash

with warm soapy water,

rinse, and dry

completely.

Maintenance

All maintenance and service are to be performed by a

qualified service technician, preferably one who has

attended Rinnai service training classes on the Direct

Vent products.

The appliance should be inspected annually by a

qualified service technician. More frequent cleaning

may be required due to excessive lint from carpeting,

bedding material, etc. It is imperative that control

compartments, burners, and circulating air passage

ways of the appliance be kept clean.

Any screen or guard removed for servicing the

appliance must be replaced prior to operating the

appliance. Clean as follows:

1. Turn heat off. Allow to cool for one hour.

2. Remove the front panel by removing two screws.

3. Use pressurized air to remove dust from the main

burner, heat exchanger, and fan blades.

4. Use soft dry cloth to wipe cabinet.

Do not use wet cloth or spray cleaners on the burner.

The flue should be inspected annually for blockages or

damage.

Motors are permanently lubricated and do not need

periodic lubrication. Keep fan and motor free of dust

and dirt by cleaning annually.

Verify proper operation after servicing.

Visual Inspection

of Flame

Check that the burner flames are operating normally.

The flame can be seen through the circular window

through the louvers.

When operating normally the burner flame should

appear as long, clear, blue, stable, streaks. Yellow

flames or an orange color is abnormal and

maintenance is required.

Care of Exterior

Dampen soft cloth with warm water. Wring water out

well and wipe the unit.

Do not use volatile substances such as benzene or

thinners. They cause fading of the paint and

deformation of the resin.

Snow Accumulation

Keep the area around flue terminal free of snow and

ice. The appliance will not function properly if the

intake air or exhaust is impeded by obstructions.

Refer to the Flue Terminal Clearances. The clearance

in Ref. A should be maintained from any snow

accumulation.

AIR FILTERS

CAUTION

Prevent dust from accumulating on the power cord,

side covers, and parts behind the appliance.

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