ATI-540P Installation Manual

41 Page
Installaon
Installaon Manual
(B) Basic diagram of connections between the Easy-Link System units
PARENT
Communicaon cable
Connectors
Middle bank of
DIP switches
OFF
ON
1
1
12
2
2
PARENT PARENT PARENT
1
2
3
4
5
6
Connectors Connectors Connectors
OFF
ON
1
2
3
4
5
6
OFF
ON
1
2
3
4
5
6
Lower bank of
DIP switches
Lower bank of
DIP switches
Lower bank of
DIP switches
1
2
3
4
5
6
OFF
ON
PARENT UNIT
540P
CHILD UNIT
540
CHILD UNIT
540
CHILD UNIT
540
Built-in
or
remote
controller
Easy-Link
connector is

a label.
Middle bank of DIP switches
Upper bank of DIP switches
Lower bank of DIP switches
(A) 540P model computer board
WARNING
 To change the DIP switch settings for the Easy-Link System, locate the
MIDDLE bank of DIP switches at the upper left of the 540P computer
board. (See diagrams below.)
 DO NOT adjust any other DIP switches .
 Turn off the power supply to the water heater before changing the DIP
switch settings.
 Failure to observe this warning could result in carbon monoxide poisoning
or death.
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 on the next page (B).
9. Turn on power to the “PARENT” unit.
Turn on “CHILD-1”. When the (remote and/or built-in) controller displays a number, turn on “CHILD-2”.
When the (remote and/or temperature) controller displays a number, turn on “CHILD-3”.
Make sure the (remote and/or temperature) controller display the unit #. The numbering system
automatically allocates the unit # to each water heater in the Easy-Link System, in accordance with the
table above.
 The dark squares indicate the correct position of the DIP switch.
 Either a built-in controller or a remote controller is required for the Easy-Link System
for ease of usage and maintenance.
NOTICE