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The dark squares indicate the direction
the dipswitches should be set to.
Easy Link Connection Procedures
1. Choose one of your units as the “
MASTER
” unit.
2. “
The MASTER
”
Locate the
lower bank
of dipswitches to the right of the 7-seg. LED on the
central computer
board
of the T-M50 that you select to be the “
MASTER
” unit. Change dipswitch No. 8 to “ON”.
Do not change any of the dipswitches on the “
SLAVE
” units.
3. Between the “
MASTER
” and the “
SLAVE-1
”
Connect the “
MASTER
connector” of the “
MASTER
unit” to the “
SLAVE IN
connector” of the
“
SLAVE-1
” unit.
4. Between the “
SLAVE-1
” and the “
SLAVE-2
”
Connect the “
SLAVE OUT
connector” of the “
SLAVE-1
” unit to the “
SLAVE IN
connector” of the
“
SLAVE-2
” unit.
5. Between the “
SLAVE-2
” and the “
SLAVE-3
”
Connect the “
SLAVE OUT
connector” of the “
SLAVE-2
” unit to the “
SLAVE IN
connector” of the
“
SLAVE-3
” unit.
6. The numbering system of the T-M50 automatically allocates the unit # to each water heater
that is part of the Easy Link system.
CAUTION
•
Unless you change dipswitch No. 8 of the “MASTER” unit to “ON”, the system will not
work as an Easy Link system.
The units will work as individual units.
Master unit
Unit # : 1
Slave units
Unit# : 2, 3 and 4
Communication cable
Connectors
Dipswitch
M
A
S
T
E
R
S
L
A
V
E
I
N
S
L
A
V
E
O
U
T
Connectors
Dipswitch
M
A
S
T
E
R
S
L
A
V
E
I
N
S
L
A
V
E
O
U
T
MASTER unit
SLAVE-1 unit
Wrong dipswitch setting
on the “
MASTER
”
unit
MASTER unit SLAVE-1 unit
SLAVE-2 unit
SLAVE-3
unit
Communication cable
Connectors
Dipswitch
M
A
S
T
E
R
S
L
A
V
E
I
N
S
L
A
V
E
O
U
T
Connectors
Dipswitch
M
A
S
T
E
R
S
L
A
V
E
I
N
S
L
A
V
E
O
U
T
Connectors
Dipswitch
M
A
S
T
E
R
S
L
A
V
E
I
N
S
L
A
V
E
O
U
T
Connectors
Dipswitch
M
A
S
T
E
R
S
L
A
V
E
I
N
S
L
A
V
E
O
U
T