2
Giant
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
serious
injury
or
death.
Indicates
a
poten ally
hazardous
situa on
which,
if
not
avoided,
could
result
in
serious
injury
or
death.
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
Safety
De
fi
ni ons
NOTICE:
Giant
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
Giant
at
1
‐
800
‐
363
‐
9354
.
Safety
De
fi
ni ons
..............................................
2
Safety
Behaviors
and
Prac ces
for
the
Consumer
and
Installer
.......................
3
‐
5
Installa on
Instruc ons
Installer
Quali
fi
ca ons
.....................................
6
General
Instruc ons
.........................................
6
Determine
Installa on
Loca on
......................
8
Typical
Installa on
Illustra on
.........................
9
Installa on
Loca on
.......................................
11
Checklist
to
Determine
Installa on
Loca on
.
12
Combus on
Air
Requirements
.................
13
‐
15
Ven ng
Requirements
.............................
16
‐
19
Checklist
for
Combus on
Air
and
Ven ng
Requirements
............................
20
Installa on
of
Plumbing
.................................
21
Checklist
for
Plumbing
...................................
22
Massachuse s
‐
Required
Plumbing
...............
23
Installa on
of
Gas
Supply
.........................
24
‐
25
Connect
Electricity
.........................................
26
Adjust
for
High
Al tude
.................................
26
Checklist
for
Gas
and
Electricity
.....................
26
Final
Checklist
................................................
27
Technical
Data
Speci
fi
ca ons
.................................................
28
Dimensions
....................................................
29
Wire
Diagram
.................................................
30
Parts
Breakdown
............................................
31
Opera on
Consumer
Opera on
Guidelines
for
the
Safe
Opera on
of
your
Water
Heater
.........................................
32
How
to
use
the
Temperature
Controller
.......
33
Diagnos c
Codes
and
Remedies
...............
35
‐
36
System
Maintenance
Air
Screen
.......................................................
37
Water
Filter
....................................................
38
Required
Maintenance
...............................
39
‐
40
Consumer
Support
Warranty
Registra on
Informa on
...............
41
Limited
Warranty
......................................
41
‐
43