Installation Manual
Installation
29│Page
Thedarksquaresindicatethedirection
thedipswitchesshouldbesetto.
4.Betweenthe“MASTER”andthe“SLAVE‐1”units
Connectthe“MASTERconnector”ofthe“MASTER”unittothe“[1]connector”ofthe“SLAVE‐1”
unit.
5.Betweenthe“SLAVE‐1”andthe“SLAVE‐2”units
Connectthe“[2]connector”ofthe“SLAVE‐1”unittothe“[1]connector”ofthe“SLAVE‐2”unit.
6.Betweenthe“SLAVE‐2”andthe“SLAVE‐3”units
Connectthe“[2]connector”ofthe“SLAVE‐2”unittothe“[1]connector”ofthe“SLAVE‐3”unit.
7.Makesurethe“3‐digit7‐seg.LED”ofalltheunits’computerboardsdisplaytheunit#.The
numberingsystemoftheT‐H2‐DV/T‐H2‐OSautomaticallyallocatesthe
unit#toeachwaterheater
intheEasy‐Linksystem,inaccordancewiththetablebelow.
Masterunit Unit#:1
Slaveunits Unit#:2,3and4
SLAVE‐3unit
(A)T‐H2‐DV/T‐H2‐OSComputerboard
(B)BasicdiagramofconnectionsamongtheT‐H2s.
Rightbankof
dipswitches
Leftbankof
dipswitches
Whensettingaunittoa
“MASTER”unit,adjust
dipswitchNo.10onthe
rightbankof
dipswitchesonly
(
seedia
g
ram
)
.
Easy‐Linkconnectors
arenexttothe
com
p
uterboard.
MASTERunit
SLAVE‐1unit
SLAVE‐2unit
3digit7‐Seg.LED
Connectors
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
Right bank of
Dipswitches
O
F
F
O
N
F
R
E
E
Z
E
M
O
D
E
R
E
-
C
I
R
S
T
O
R
A
G
E
1
2
3
4
5
6
7
8
D
-
P
R
T
M
A
S
T
E
R
9
1
0
Communication cable
Connectors
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
Right bank of
Dipswitches
O
F
F
O
N
F
R
E
E
Z
E
M
O
D
E
R
E
-
C
I
R
S
T
O
R
A
G
E
1
2
3
4
5
6
7
8
D
-
P
R
T
M
A
S
T
E
R
9
1
0
Connectors
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
Right bank of
Dipswitches
O
F
F
O
N
F
R
E
E
Z
E
M
O
D
E
R
E
-
C
I
R
S
T
O
R
A
G
E
1
2
3
4
5
6
7
8
D
-
P
R
T
M
A
S
T
E
R
9
1
0
Connectors
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
Right bank of
Dipswitches
O
F
F
O
N
F
R
E
E
Z
E
M
O
D
E
R
E
-
C
I
R
S
T
O
R
A
G
E
1
2
3
4
5
6
7
8
D
-
P
R
T
M
A
S
T
E
R
9
1
0
C
E
L
S
I
U
S
C
E
L
S
I
U
S
C
E
L
S
I
U
S
C
E
L
S
I
U
S