Rinnai E75CN Mode d’emploi
8W.52.6001/08.10 Changes reserved
High efciency condensing gas boiler
E75CN / E110CN
E75CP / E110CP
Notice! This manual must be retained for future reference.
Address: 103 International Drive, Peachtree City, GA, 30269
Toll-free: 1-800-621-9419 • Fax: 678-829-1666 • www.rinnai.us
User information manual
WARNING!
Installation and service must be
performed by a qualied installer,
service agency or the gas supplier.
- 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
instructions.
- If you cannot reach your gas supplier, call the re
WARNING!
If you do not follow these instructions exactly, a re or
explosion may result causing property damage, personal
injury or loss of life.
Français: voir page 17
Operating instructions Rinnai E-Series
2
Contents of instructions
These instructions contain important information for the safe use of Rinnai
E-Series gas boilers.
These user instructions are intended for the owner or responsible tenant of
the premises where the boiler is installed.
Subject to technical changes
Changes may be made to the illustrations, process steps and technical data
as a result of our policy of continuous improvement without prior notice.
Updating of documentation
Please contact us if you have any suggestions for improvements or
corrections.
Find our contact details on the back of this manual.
Operating instructions Rinnai E-Series
3
Please observe these instructions in the interest
of your own safety.
Safety and general instructions
The boiler is designed to heat water for a central
heating system and, if applicable, generating
domestic hot water. The boiler is delivered with
a burner controller pre-installed.The boiler can
be tted with a modulating outdoor reset control
ARV12 (included), a room controller RS100
(optional), a zone controller (optional) or an
On/Off thermostat or relay panel end switch
(accessories).
Designated use
Hazard denitions
The following dened terms are used throughout
the documentation to bring attention to the
presence of hazards of various risk levels.
Notices give important information concerning the
operation of the product.
DANGER:
Indicates the presence of hazards that
will cause severe personal injury, death or
substantial property damage.
WARNING:
Indicates the presence of hazards that
can cause severe personal injury, death or
substantial property damage.
CAUTION:
Indicates presence of hazards that will or
can cause minor personal injury or property
damage.
NOTICE:
Indicates special instructions on installation,
operation or maintenance that are important
but not related to personal injury or property
damage.
!
CAUTION
!
WARNING
NOTICE
i
!
DANGER
Operating instructions Rinnai E-Series
4
These operating instructions describe the
operation of the Rinnai E-Series condensing
gas boilers. This manual is for the end user. For
installation and servicing there is a installation &
servicing instructions manual for the installer.
Read this manual fully before operating the boiler.
In case of doubt or errors contact your installer.
The manufacturer reserves the right to change
the specications and dimensions without prior
notice.
Work on the boiler must be carried out by a State
licenced contractor, (Ref: Gas Safety Installation
and Use ) using correctly calibrated instruments
with current test certication.
Operating instructions Rinnai E-Series
5
Safety
FOR YOUR SAFETY READ BEFORE OPERATING
WARNING: If you do not follow these instructions
exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
8U.34.01.00 / 05.09
A. This appliance does not have a pilot. It is equipped with an ignition device which automatically
lights the burner. Do NOT try to light the burner by hand.
B. BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor
because some gas is heavier than air and will settle on the floor.
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.
C. 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, don’t try to repair it, call a qualified service technician.
Force or attempted repair may result in a fire or explosion.
D. Do not use this appliance if any parts have 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.
OPERATING INSTRUCTIONS
1. STOP! Read the safety information above this label.
2. Turn off al electrical power of the appliance.
3. Set the thermostat or other operating control to the lowest setting.
4. This appliance is equipped with an ignition device
which automatically lights the burner.
Do NOT try to light the burner by hand.
5. Close main gas shut off valve.
6. Wait (5) minutes to clear out any gas. Then smell for
gas. Including near the floor.
If you smell gas, STOP! Follow “B” in the safety
information above on this label.
If you don’t smell gas, go to the next step.
7. Open main shut off valve.
8. Set the thermostat or other operation control to desired setting.
9. Turn on all electric power to the appliance.
10. If the appliance will not operate, follow the instructions “To Turn Off Gas To Appliance” and call your
service technician or gas supplier.
TO TURN OFF GAS TO APPLIANCE
1. Turn off all electric power to the appliance if service is to be performed.
2. Set the thermostat or other operating control to the lowest setting.
3. Close main gas shut off valve.
CLOSE
Manual Gas Valve (Main valve)
OPEN
Operating instructions Rinnai E-Series
6
Should overheating occur or the gas supply
fail to shut off, do not turn off or disconnect
the electrical supply to the pump. Instead, shut
off the gas supply at a location external to the
appliance.
Protection for corrosion
Do not use any sprays, chlorine containing agents,
solvents, paint etc. around the boiler or around
the air intake supply entrance of the boiler. These
substances have negative inuences on the boiler
and can lead to corrosion resulting in failure of
the boiler.
!WARNING
NOTICE
iChecking the water pressure
Check the water pressure in the central heating
installation regularly.
Use only potable water for lling.
Additives only after clearance by Rinnai.
Contact your installer in case of doubt.
Products to avoid present in boiler room
and/or around combustion air intake
Spray cans containing chloro-/fluorcarbons
Ammonium and/or ammonium solutions
Permanent wave solutions
Chlorinated waxes and/or cleaners
Swimming pool chemicals based on chlorine
Calcium chloride used for thawing
Sodium chloride used for water softening
Refrigerant leaks
Paint or varnish removers
Hydrochloric acid/muriatic acid
Cements and glues
Antistatic fabric softeners used in clothes dryers
Chlorine-type bleaches, detergents, and cleaning solvents
found in household laundry rooms
Adhesives used to fasten building products and
other similar products
Areas likel
y
to have contaminants
Dry cleaning/laundry areas and establishments
Swimming pools
Metal fabrication plants
Beauty shops
Refrigeration repair shops
Photo processing plants
Auto body shops
Plastic manufacturing plants
Furniture refinishing areas and establishments
New building construction
Remodeling areas
Garages with workshops
!
DANGER
Operating instructions Rinnai E-Series
7
The Rinnai E boiler is a room sealed, condensing
and modulating central heating boiler with an
integrated hot water facility.
The boiler is provided with a integrated control
system. Because an outdoor sensor is connected
to the boiler, the boiler works weather dependantly.
This means that the boiler control measures the
outside temperature and ow temperature. With
this data the boiler calculates the optimal ow
temperature for the installation.
When the boiler is connected to an RS100 room
thermostat information can be retrieved from the
boiler. For more information about the Rinnai
thermostats. Please refer to the user manuals.
On the bottom left side of the front panel there is a
small door. Through the transparent panel you can
see the boiler status on the display. After opening
this door you will nd the function buttons.
On the following pages you will nd the explanation
of the function buttons and display messages.
Description of the boiler
RS100
Operating instructions Rinnai E-Series
8
Explanation of the function buttons
Only qualied personel who are trained for
these boilers are permitted to make alterations
in the controller to chronolize the boiler to the
installation.
1. Display.
See following pages for further information.
2. ON-OFF Switch (Placed separately next to
the boiler). This switch turns the power supply
to the boiler on or off.
3. Central Heating program button.
Switching the Central Heating on or off (Led
on/off);
4. Hot Water program button.
Switching the Domestic Hot Water (DHW)
facility on or off (Led on/off);
5. Pump program button.
When the pump program LED is ON, the pump
is switched into a continuous circulation mode.
When the pump mode is switched OFF, LED is
off the pump is control by the boiler processor.
In most situations it is best to leave the pump
mode OFF and let the boiler control cycle the
pump as needed.
During freezing temperatures it is possible (when
there is no outside sensor connected), to manually
place the circulation pump in constant circulation
mode, thus reducing the chance of freezing pipes
(garage, attic or other cold spaces / rooms) which
are sensitive to frost.
When the pump is switched
on continuously it can lead to
undesired heating up of the
central heating system during
the summer.
NOTICE
i
NOTICE
i
NOTICE
i
1
3
4
5
6
2
7
8
Operating instructions Rinnai E-Series
9
6 Mode-button.
Only for Service personel
7 Step-button.
After briey pressing, the water pressure can
be retrieved.
After pressing for 5 seconds it switches from
the Good-state to technical read out and vice
versa (see following pages);
8 Reset-button.
When a fault occurs it will be shown by the
ashing E (Error) with a number code after
which the boiler is shut down. After pressing
the reset key you can try to start the boiler
again. If the error message keeps occurring
contact your installer.
DO NOT attempt to make repairs or remove
any of the boiler panels. Contact a qualied
service agency to make necessary repairs or
adjustments.
!WARNING
Operating instructions Rinnai E-Series
10
The boiler display
Two boiler displays, “Good or Technical” see below.
Good
or standard read out.
During this reading the display will only show what
is necessary. Under normal circumstances the
display will give a Good reading. In case of a
fault this will be shown with, alternate display of
Good, with an E or BL code. See further "Errors,
maintenance and warranty" .
Technical
The second way is a technical read out. In normal
situations the following will be shown:
• on the left the status in which the boiler is active
(see bottom of this page);
• on the right the supply temperature in °F;
• the water pressure in the installation in PSI.
When a message (E or BL code) is necessary this
will be shown instead of the technical read out.
To switch over from the Good-state to the
Technical read out (and vice versa):
- Press 5 sec. on the STEP-button.
Operation indication
(in the first display position by technical read out)
1
2
No heat demand
Fan pre/post purge
Ignition phase
Burner active on central heating
Burner active on DHW
Fan check
Burner off when room thermostat is demanding
Pump overrun phase for central heating
Pump overrun phase for hot water
Burner off because of to high ow temperature
Automatic de-aeration program (Press no button for 17 min.)
3
4
5
6
7
8
9
A
0
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