Installation
28
│
Page
•
The
T
‐
H2
‐
DV/T
‐
H2
‐
OS
Easy
‐
Link
system
is
limited
up
to
4
units
.
If
you
connect
more
than
4
units,
only
the
first
4
units
will
work
as
a
part
of
the
Easy
‐
Link
system.
The
other
additional
units
will
not
work.
•
The
T
‐
H2
‐
DV/T
‐
H2
‐
OS
cannot
be
linked
with
other
different
Takagi
models
in
an
Easy
‐
Link
system.
EASY
‐
LINK
SYSTEM
‐
General
‐
The
T
‐
H2
‐
DV/T
‐
H2
‐
OS
can
be
connected
with
other
heaters
of
the
same
model
with
communication
cables
to
work
as
a
multiple
‐
unit
manifold
system.
•
The
Easy
‐
Link
system
allows
up
to
4
units
to
manifold
together.
•
A
communication
cable
(gray
color)
comes
with
each
unit.
You
can
manifold
from
2
to
4
units
without
the
need
for
a
multi
‐
system
controller.
A
4
‐
unit
system
has
full
automatic
modulation
between
13,000
BTU/h
and
796,000
BTU/h.
‐
Easy
‐
Link
Connection
Procedures
‐
1.
Verify
the
set
temperatures
of
all
units
within
the
system.
Every
single
T
‐
H2
‐
DV/T
‐
H2
‐
OS
must
be
set
to
the
same
set
temperature.
2.
Select
one
unit
to
be
the
“
MASTER
”
unit.
3.
“
MASTER
”
unit
Locate
the
two
banks
of
dipswitches
to
the
left
of
the
3
‐
digit
7
‐
seg.
LED
on
the
computer
board
of
the
T
‐
H2
‐
DV/T
‐
H2
‐
OS
that
you
select
to
be
the
“
MASTER
”
unit.
Change
dipswitch
No.
10
on
the
right
bank
of
dipswitches
to
the
ON
position.
Do
not
change
any
dipswitches
on
any
of
the
“
SLAVE
”
units.
Hot
Out
Cold
In
Gas
In
CAUTION
