
25
Page
5. Between the
“PARENT”
and the
“CHILD-1”
units:
Connect the
“PARENT”
connector of the
“PARENT”
unit to the
“1”
connector of the
“CHILD-1”
unit
using the supplied linking cable.
6. Between the
“CHILD-1”
and the
“CHILD-2”
units:
Connect the
“2”
connector of the
“CHILD-1”
unit to the
“1”
connector of the
“CHILD-2”
unit.
7. Between the
“CHILD-2”
and the
“CHILD-3”
units:
Connect the
“2”
connector of the
“CHILD-2”
unit to the
“1”
connector of the
“CHILD-3”
unit.
8. Verify that all cables are connected like the diagram below (B).
9. Turn on power to the
“PARENT”
unit. The 7-seg LED will display
“1”.
Turn on
“CHILD-1”
. When the 7-seg LED displays a number, turn on
“CHILD-2”
.
When the 7-seg LED displays a number, turn on
“CHILD-3”
.
Make sure the 7-seg LED of all the units' computer boards display the unit #. The numbering system
automatically allocates the unit # to each water heater in the Easy-Link System, in accordance with the
table below.
(A) 510 (T-D2) model Computer board
(B) Basic diagram of connections between the Easy-Link System units
NOTE:
The dark squares indicate the direction the DIPswitches should be set to.
Type of unit
Unit # of easy-link
Parent
1
Child
2, 3 or 4
Installation
Installation Manual
Communication
cable
Connectors
Right bank of
Dipswitches
OFF
ON
1 2 3 4 5 6
PARENT
1
2
Connectors
Right bank of
Dipswitches
OFF
ON
1 2 3 4 5 6
PARENT
1
2
Connectors
Right bank of
Dipswitches
OFF
ON
1 2 3 4 5 6
PARENT
1
2
Connectors
Right bank of
Dipswitches
OFF
ON
1 2 3 4 5 6
PARENT
1
2
PARENT
unit
CHILD-1
unit
CHILD-2
unit
CHILD-3
unit
Easy-Link System
“Online” LED
Left bank of
DIPswitches
7-Seg. LED
Right bank of
DIPswitche
s
Easy-Link
connectors are next
to the computer
board.
To change the DIPswitch
settings for the Easy-Link
System, locate the bank of
DIPswitches to the right of
the 7-seg LED.
Do not adjust the left bank
of DIPswitches.