RESIDENTIAL GAS-FIRED ATMOSPHERIC VENT WATER HEATERS
ISO 9001
ENREGISTRÉ
R
(EQUIPPED WITH FVIR TECHNOLOGY)
OWNER’S MANUAL
INSTALLATION AND OPERATING INSTRUCTIONS
This water heater IS NOT design certified for
installation in a manufactured (mobile) home or for
installation outdoors.
If the information in these instructions is not
followed exactly, a fire or explosion may result
causing property damage, personal injury, or
death.
DO NOT store or use gasoline or other flammable
vapours 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.
• From a neighbour’s phone, immediately
call your gas supplier. 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.
IMPORTANT
READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING THE INSTALLATION. PROPER
INSTALLATION WILL PROVIDE SAFE & EFFICIENT SERVICE, AND AVOID NEEDLESS EXPENSE NOT
COVERED BY THE WARRANTY. READ THE PRODUCT WARRANTY CONTAINED IN THIS MANUAL AND
REMEMBER TO FILL OUT AND RETURN TO THE MANUFACTURER, ALL RELEVANT WARRANTY CARDS
AND CERTIFICATES. SHOULD YOU HAVE ANY QUESTIONS, PLEASE CONTACT YOUR LOCAL DEALER
OR REFER TO THE GETTING SERVICE FOR YOUR WATER HEATER SECTION OF THIS MANUAL.
SAVE THIS MANUAL FOR FUTURE REFERENCES.
For your records, write the model and serial number here:
Model # ________________________________
Serial # ________________________________
54000009
© 2019 Giant Factories Inc. Printed in Canada
R
ISO 9001
REGISTRED
GI-IM016En-1119
TABLE OF CONTENTS
Safety Information .................................................................................................................... 3
Installation Instructions ........................................................................................................... 4
Altitude .................................................................................................................................. 4
Location ............................................................................................................................... 4
Minimum Clearances ........................................................................................................... 4
Combustion and Ventilation Air Supply ............................................................................... 5
Requirements for Unconfined Spaces ................................................................................. 5
Requirements for Confined Spaces ..................................................................................... 5
Louvers and Grilles .............................................................................................................. 6
Corrosive Atmospheres ....................................................................................................... 6
Venting ................................................................................................................................. 7
Draft Hood installation ......................................................................................................... 7
Venting System .................................................................................................................... 7
Water Piping ........................................................................................................................ 7
Temperature & Pressure-Relief Valve ................................................................................. 8
Pressure Build-up in a Water System ................................................................................. 9
Filling the Water Heater ....................................................................................................... 9
Gas Connections ................................................................................................................. 9
Installation Instructions for Water Heaters Approved for
Space Heating & Potable Water Heating ..................................................................... 10
Installation Checklist ......................................................................................................... 11
Operating Instructions ........................................................................................................... 12
Lighting the Water Heater .................................................................................................. 12
Draft Hood Operation ......................................................................................................... 13
Water Temperature Regulation ......................................................................................... 13
Out of Fuel ......................................................................................................................... 13
General Maintenance ............................................................................................................. 14
Housekeeping .................................................................................................................... 14
Condensation ..................................................................................................................... 14
Main Burner & Pilot ............................................................................................................ 14
Temperature and Pressure-Relief Valve ........................................................................... 14
Venting System Inspection ................................................................................................ 14
Anode ................................................................................................................................. 14
Draining the Water Heater ................................................................................................. 15
Vacation ............................................................................................................................. 15
Service Procedure ............................................................................................................. 15
Replacement Parts ................................................................................................................. 16
Troubleshooting Guide .......................................................................................................... 17
Warranty .................................................................................................................................. 19
FVIR technology equipped with flame arrestor
This water heater is equipped with the new FVIR technology. In the event that gasoline or other flammable
vapours and liquids are improperly stored in the area where the water heater is located, the flame arrestor will
prevent these combustible vapours from igniting outside of the water heater.
Activation of the FVIR technology occurs when flammable vapours are drawn into the combustion chamber of
the water heater and ignite. If flammable vapours are detected:
• DO NOT try to light any appliance.
• DO NOT touch any electrical switch, DO NOT use any phone in your building.
• From a neighbour’s phone, immediately call your gas supplier. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
After the flammable vapours have been evacuated, contact a qualified service technician or the manufacturer
for further instructions. Replacement of a FVIR technology equipped water heater due to a flammable
vapour shutdown is not covered under the terms of the Standard Basic Limited Warranty.
2
SAFETY INFORMATION
Your safety and the safety of others is extremely important during the installation, operation,
and servicing of this water heater. Many safety related messages have been provided in
this manual and on your water heater. Always read and obey all safety messages. These
messages will point out the potential hazard, tell you how to reduce the risk of injury, and tell
you what will happen if the instructions are not followed.
This is the safety alert symbol. This symbol alerts you to potential hazards
that can kill or hurt you and others. All safety messages will follow the safety
alert symbol and either the word “DANGER” or “WARNING”.
Serious injury or death can occur if you do not follow
the instructions immediately.
Serious injury or death can occur if you do not follow
the instructions.
DO NOT use this water heater if any part has been under water. Immediately call a
qualified service technician to inspect the water heater and to replace any part of the
control system and any gas control which has been under water. Failure to follow this
instruction can result in property damage, personal injury, or death.
3
INSTALLATION INSTRUCTIONS
IMPORTANT
These instructions have been written as a guide for the proper installation and operation of your water heater,
and the manufacturer of this water heater will not accept any liability where these instructions have not been
followed. However, for your safety and to avoid damage caused by improper installation, this water heater
must be installed by a Certified Licensed Professional, and meet all local codes or, in the absence of local
codes, CSA B149.1 Natural Gas and Propane Installation Code, in Canada, and/or the National Fuel Gas
Code, ANSI Z223.1, in the United States.
Before proceeding with the installation instructions:
1) Inspect the water heater and its component parts for possible damage. DO NOT install or attempt to
repair any damaged component parts. If you detect any damage, contact the dealer where the water
heater was purchased or the manufacturer listed on the warranty card.
2) Verify that the type of gas being supplied corresponds to that which is marked on the rating plate and
gas control of the water heater.
Altitude
Input rating of this water heater is based on sea
level operation. At higher elevations, the actual input
rate will be lower than the value listed on the rating
plate due to the natural derating of natural gas and
propane. DO NOT attempt to adjust the input rate by
changing the manifold pressure. Refer to the rating
plate on the water heater for the certified elevation at
wich your specific model can be installed.
Failure to install a water heater suitable for the
altitude at the location it is intented to serve, can
result in improper operation of the appliance
resulting in property damage and/or producing
carbon monoxide gas, which could result in
personal injury or death.
Location
The water heater should be located as close as
possible to the chimney and to the main use of
hot water. This location must not be subject to
freezing temperatures. The water heater should be
positioned, so that there is easy access to the burner,
gas control, and drain valve. It must be located close
to a suitable free-flowing floor drain. Where a floor
drain is not adjacent to the water heater, a suitable
drain pan must be installed under the water heater
(see Figure 8). In Canada, according to the National
Plumbing Code, this drain pan should be at least two
(2) inches (5.1 cm) larger than the diameter of the
water heater and at least one (1) inch (2.5 cm) deep,
providing access to the drain valve. Local codes may
be more rigorous. This pan must not restrict the flow
of ventilation and combustion air. This pan must
be piped to a suitable drain to prevent damage to
property in the event of a water leak from the piping,
the relief valve, or the water heater.
Sooner or later, all water heaters leak. The
manufacturer, based on national building codes,
has given the necessary instructions to prevent
damage to the building. Under no circumstances
is the manufacturer to be held liable for any water
damage in connection with this water heater.
This water heater is approved for installation on either
a combustible or non-combustible floor. However,
should this water heater be installed directly on
carpeting, such carpeting must be protected by
a wood or metal panel beneath the water heater.
This panel must extend at least three (3) inches
(7.62 cm) beyond the width and depth of the water
heater. Should the water heater be installed in an
alcove or closet, the entire floor area must be covered
by the panel.
Minimum Clearances
The minimum clearances from combustible material
for this water heater are: Two (2) inches (5.1 cm)
from the sides and rear, four (4) inches (10.2 cm)
from the front, and eighteen (18) inches (45.7 cm)
from the top (see Figure 1).
Figure 1
18''
min.
2'' min.
2'' min.
4'' min.
2'' min.
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INSTALLATION INSTRUCTIONS
Confined Space
Permanent
Opening
-------------1 square inch /
1,000 Btuh
(min.: 100 sq. in)
Outlet air to attic
1 sq. in / 4,000 Btuh
Attic air inlet
Install above
insulation
Confined Space
Inlet air from the
crawl space
Confined Space
Alternate
air inlet
Gas vent to
outdoors
Gas vent to
outdoors
Espace confiné
Conduit
d’entrée d’air
18'' (45 cm)
24'’ (60 cm)
18'' (45 cm)
24'’ (60 cm)
Confined Space
Inlet air duct
Combustion and Ventilation Air Supply
In order for the water heater to operate properly, it
must be supplied with an uninterrupted flow of clean
combustion and ventilation air. The area around the
water heater must always be kept clear and the
combustion air intake holes at the bottom of the
water heater must never be blocked. An inadequate
supply of air to the water heater will produce a
bright yellow burner flame causing sooting in the
combustion chamber, on the burner, and in the flue
tube. This can result in damage to the water heater
and serious bodily injury, if not corrected.
Combustion and ventilation air requirements are
determined by where the water heater will be located.
Water heaters are installed in either open (unconfined)
spaces or smaller (confined) spaces, such as closets
or small rooms.
Figure 2
In Canada refer to CSA B149.1 and local codes for
detailed information.
1)
The enclosure in which the water heater is installed
shall be provided with two (2) permanent openings
of one (1) square inch per 1,000 Btuh (22.0 cm²/
kW) of the total input of all appliances and shall
communicate directly with one or more rooms of
sufficient volume, so that the combined volume of all
spaces meets the criteria for an unconfined space
for all the appliances installed in that enclosure.
One opening shall be located not more than
eighteen (18) inches (45.7 cm) or less than six (6)
inches (15.2 cm) above the floor level. The second
shall be located as near the ceiling as practical, but
in no case lower than the draft hood.
2) All Air from Outdoors (see Figure 3):
An air supply shall be provided with one opening
that communicates directly with the outdoors by
means of a duct. This duct shall be sized according
to CSA B149.1 and terminate within one (1) foot
(30.5 cm) above, and within two (2) feet (61 cm)
horizontally from the burner level of the appliance
having the largest input.
Requirements for Unconfined Spaces
An unconfined space is an area with at least fifty
(50) cubic feet for each 1,000 Btuh (4.8 m/kW) of
the total input rating for all gas appliances installed
in that space. Water heaters installed in unconfined
spaces do not usually require outdoor air to function
properly. However, in buildings with tight construction
(heavy insulation, vapour barriers, weather stripping,
etc.), and particularly in modern buildings, additional
fresh air may need to be provided. For instructions on
obtaining additional air supply, see the requirements
below for confined spaces.
Requirements for Confined Spaces
A confined space is an area where the volume is
less then fifty (50) cubic feet for each 1,000 Btuh
(4.8 m³/kW) of the total input rating for all gas
appliances installed in that space. Water heaters
installed in confined spaces require additional
combustion and ventilation air. This can be provided
in two ways:
5
Figure 3
In U.S.A. (refer to ANSI Z223.1/NFPA 54 and local
codes for detailed information.
1) All Air From Inside the Building (see Figure 2):
The confined space shall be provided with two
(2) permanent openings communicating directly with
one or more rooms of sufficient volume, so that the
combined volume of all spaces meets the criteria
for an unconfined space. The total input rating of
all gas appliances installed in the combined space
shall be considered in making this determination.
Each opening shall have a minimum free area of
one (1) square inch per 1,000 Btuh (22.0 cm/kW)
of the total input rating of all gas appliances in the
confined space, but not less than one hundred
Outlet air to attic
1 sq. in / 4,000 Btuh
Attic air inlet
Install above
insulation
Confined Space
Inlet air from the
crawl space
1 sq. in / 4,000 Btuh
Open foundation vent
Install above
insulation
Attic air inlet
Outlet air to attic
1 sq. in / 4,000 Btuh
Confined Space
Inlet air duct
1 sq. in / 4,000 Btuh
12'' max.
Confined Space
Alternate
air inlet
Gas vent to
outdoors
Gas vent to
outdoors
Install above
insulation
Attic air inlet
Outlet air to attic
1 sq. in / 4,000 Btuh
Confined Space
Inlet air duct
1 sq. in / 4,000 Btuh
12'' max.
Inlet
Outlet
Outdoor air duct
1 sq. in. / 2,000 Btuh
Confined Space
Gas vent to
outdoors
Gas vent to
outdoors
INSTALLATION INSTRUCTIONS
(100) square inches (645.16 cm²). The first opening
should be situated within six (6) inches (15.2 cm) of
the top and the second opening within six (6) inches
(15.2 cm) of the bottom of the confined space.
2) All Air From Outdoors:
The confined space shall be provided with two (2
permanent openings, the first opening within six (6)
inches (15.2 cm) of the top and the second within
six (6) inches (15.2 cm) from the bottom of the
confined space. The openings shall communicate
directly, or by ducts, with the outdoors or spaces
(crawl or attic) that freely communicates with the
outdoors.
A) When communicating directly with the outdoors,
each opening shall have a minimum free area of
one (1) square inch per 4,000 Btuh (
5.5 cm²/kW
the total input rating of all gas appliances in the
confined space (see Figure 4).
Figure 4
B) When communicating with the outdoors through
vertical ducts, each opening shall have a minimum
free area of one (1) square inch per 4,000 Btuh
(5.5 cm²/kW) of the total input rating of all gas
appliances in the confined space (see Figure 5).
Figure 5
) of
C)
When communicating with the outdoors through
horizontal ducts, each opening shall have a minimum
free area of one (1) square inch per 2,000 Btuh
(11.0 cm²/kW) of the total input rating of all gas
appliances in the confined space (see Figure 6).
Figure 6
Confined Space
Gas vent to
outdoors
1 sq. in. / 2,000 Btuh
Outlet
Outdoor air duct
Inlet
1 sq. in. / 2,000 Btuh
When ducts are used, they shall be of the same
cross-sectional area as the free area of the openings
to which they connect. The minimum short side
dimension of rectangular air ducts shall not be less
than three (3) inches (7.62 cm).
Louvers and Grilles
In calculating free area for ventilation and combustion
air supply openings, consideration must be given
to the blocking effect of louvers, grilles, or screens
protecting the openings. Screens must not be smaller
than 1/4 inch (6.4 mm) mesh. If the free area through
a particular design of louver or grille is known, it
should be used in calculating the size of opening
required to provide the free area specified. If the
design and free area is unknown, it may be assumed
that wood louvers and grilles will allow 20-25% free
area and metal louvers and grilles will allow 60-75%
free area. Louvers and grilles must be installed in the
open position or interconnected with the water heater
so that they are opened automatically during water
heater operation.
Corrosive Atmospheres
If this water heater will be installed in a beauty shop,
barber shop, photo processing lab, dry cleaning
establishment, a building with an indoor pool, or
near a chemical storage area, it is imperative that
the combustion and ventilation air be drawn from
outside these areas. These particular environments
contain products such as aerosol sprays, detergents,
bleaches, cleaning solvents, refrigerants, and other
volatile compounds that, in addition to being highly
flammable, become highly corrosive acid compounds
when burned. Exposure to such compounds can be
hazardous and lead to premature product failure.
Should the water heater fail due to exposure to
such a corrosive atmosphere, the warranty is void.
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