Installation
29
│
Page
The
dark
squares
indicate
the
direction
the
dipswitches
should
be
set
to.
4.
Between
the
“
MASTER
”
and
the
“
SLAVE
‐
1
”
units
Connect
the
“MASTER
connector”
of
the
“MASTER”
unit
to
the
“[1]
connector”
of
the
“SLAVE
‐
1”
unit
.
5.
Between
the
“
SLAVE
‐
1
”
and
the
“
SLAVE
‐
2
”
units
Connect
the
“[2]
connector”
of
the
“SLAVE
‐
1”
unit
to
the
“[1]
connector”
of
the
“SLAVE
‐
2”
unit
.
6.
Between
the
“
SLAVE
‐
2
”
and
the
“
SLAVE
‐
3
”
units
Connect
the
“[2]
connector”
of
the
“SLAVE
‐
2”
unit
to
the
“[1]
connector”
of
the
“SLAVE
‐
3”
unit
.
7.
Make
sure
the
“3
‐
digit
7
‐
seg.
LED”
of
all
the
units’
computer
boards
display
the
unit
#.
The
numbering
system
of
the
T
‐
H2
‐
DV/T
‐
H2
‐
OS
automatically
allocates
the
unit
#
to
each
water
heater
in
the
Easy
‐
Link
system,
in
accordance
with
the
table
below.
Master
unit
Unit
#
:
1
Slave
units
Unit
#
:
2,
3
and
4
SLAVE
‐
3
unit
(A)
T
‐
H2
‐
DV/T
‐
H2
‐
OS
Computer
board
(B)
Basic
diagram
of
connections
among
the
T
‐
H2s.
Right
bank
of
dipswitches
Left
bank
of
dipswitches
When
setting
a
unit
to
a
“MASTER”
unit,
adjust
dipswitch
No.10
on
the
right
bank
of
dipswitches
only
(see
diagram).
Easy
‐
Link
connectors
are
next
to
the
computer
board.
MASTER
unit
SLAVE
‐
1
unit
SLAVE
‐
2
unit
3
digit
7
‐
Seg.
LED
C o n n e c t o r s
M
A
S
T
E
R
2
1
M
A
S
T
E
R
2
1
O
F
F
O
N
1
2
3
4
5
6
7
8
R i g h t b a n k o f
D i p s w i t c h e s
O
F
F
O
N
FREEZE
MODE
RE-CIR
STORAGE
1
2
3
4
5
6
7
8
D-PRT
MASTER
9
1
0
C o m m u n i c a t i o n c a b l e
C o n n e c t o r s
M
A
S
T
E
R
2
1
M
A
S
T
E
R
2
1
O
F
F
O
N
1
2
3
4
5
6
7
8
R i g h t b a n k o f
D i p s w i t c h e s
O
F
F
O
N
FREEZE
MODE
RE-CIR
STORAGE
1
2
3
4
5
6
7
8
D-PRT
MASTER
9
1
0
C o n n e c t o r s
M
A
S
T
E
R
2
1
M
A
S
T
E
R
2
1
O
F
F
O
N
1
2
3
4
5
6
7
8
R i g h t b a n k o f
D i p s w i t c h e s
O
F
F
O
N
FREEZE
MODE
RE-CIR
STORAGE
1
2
3
4
5
6
7
8
D-PRT
MASTER
9
1
0
C o n n e c t o r s
M
A
S
T
E
R
2
1
M
A
S
T
E
R
2
1
O
F
F
O
N
1
2
3
4
5
6
7
8
R i g h t b a n k o f
D i p s w i t c h e s
O
F
F
O
N
FREEZE
MODE
RE-CIR
STORAGE
1
2
3
4
5
6
7
8
D-PRT
MASTER
9
1
0
CELSIUS
CELSIUS
CELSIUS
CELSIUS