Giant Factories InnoFlue Centrotherm, Owner'S Manual Installation And Operating Instructions, Page: 13 / 24

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INSTALLATION INSTRUCTIONS
Make sure that the inlet pressure to the water heater does not
exceed 0.5 PSI (3.5 kPa) for both natural and propane gases.
Pressures in excess of 0.5 PSI (3.5 kPa) can damage the gas
control valve, resulting in a fire or explosion from leaking gas.
For purposes of adjustment, the minimum inlet pressure is indi-
cated on the water heater rating plate.
If any pressure testing of the gas line is undertaken at test
pressures in excess of 0.5 PSI (3.5 kPa), the water heater and
its gas supply manual shut-off valve must be disconnected
from the gas supply piping system, and the end of the pipe
sealed with a female cap. If the testing is to be undertaken
at a test pressure less than 0.5 PSI (3.5 kPa), the gas sup-
ply manual shut-off valve must be closed. All testing must
be done according to CAN/CGA B149 in Canada and/or the
National Fuel Gas Code, ANSI Z223.1 in the United States
and local codes.
DANGER
WARNING
CAUTION
AVERTISSEMENT
ATTENTION
U.L. and CSA recognized fuel gas and Carbon Monoxide
(Co) detectors are recommended in all applications and
should be installed using the manufacturer’s instructions
and local codes, rules, or regulations.
DANGER
WARNING
CAUTION
AVERTISSEMENT
ATTENTION
A high altitude orifice MUST BE installed for water heat-
ers operating above 2,000 feet (610 m). Failure to follow
this instruction can result in property damage, personal
injury, or death.
Wiring
DANGER
WARNING
CAUTION
AVERTISSEMENT
ATTENTION
This water heater uses an external electrical source for
power. It must be electrically grounded in accordance with
all local codes or, in the absence of local codes, the latest
edition of CSA C22.1 Canadian Electrical Code, in Canada,
and/or the latest edition of the National Electrical Code,
ANSI/NFPA 70, in the United States. Failure to properly
ground this water heater can result in property damage,
personal injury, or death.
Before lighting your water heater, check that all of the wires
have been installed correctly (see Figure 9) . Make sure that
none of the wires are grounded, have split, or are broken.
Verify that all wiring connections are properly secured, as
there is a possibility that they have become loose during
transport. If any of the original wiring needs replacing, use
only 18AWG-type or greater wire that is approved for 221
o
F
(105
o
C).
Installation Instructions for Water Heaters
Approved for Combination Space Heating and
Potable Water Heating (see Figure 10)
A water heater cannot be used for space heating only. When
using a water heater for combination space and potable
water heating, the instructions provided in this manual and
with the air-handling unit must be respected and,
in par-
ticular , the following:
1) All piping and components that are used in the
system must be of a nonferrous type suitable for potable
water. This also applies to any sealant used.
2) When used as a dual purpose water heater, it must not be
connected to any system that has been previously used
for non-potable water heating. This includes any piping
because, in all probability, existing piping would have
been, in the past, treated with chemicals for cleaning or
sealing the system.
3) If this water heater is to be used for space heating, make
sure that all safety codes are respected. Pay special atten-
tion to safety valve pressure and expansion tanks.
4) Do not use toxic chemicals to clean the potable water
heating system.
5) Where water temperature in excess of 140
o
F (60
o
C) is
required for a space heating application, a mixing valve
must be installed in the potable side of the system. This
will temper the water and reduce the risk of scalding.
6) If the incoming water line to the heater is equipped with
a check valve, water meter, or pressure-reducing valve, an
expansion tank must be installed in the system. This will
prevent weeping from the water heater relief valve and
premature failure of the heater due to expansion of the
water during the heating cycle.
7) Before acquisition of a water heater for space heating appli-
cation, it is necessary to have the area of intended use
sized by an EnerCare qualified technician. This will ensure
that an adequate water heating capacity will be available
for both heating and potable water supply, and that the
application will meet all local codes and public utility
requirements.
Note: It is good practice to oversize the water heater to
ensure that all of the potential hot water requirements
are available.