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Multi-Unit System Connection Diagram
The water heaters with a multi-unit controller and a remote controller wiring:
•
The above connection diagram is an example of how to connect 4 water heaters together in
a Multi-Unit System. Up to 10 water heaters can be connected in this fashion.
•
Make sure the “7-seg LED” of computer board of each unit displays the unit #. The multi-unit
controller automatically allocates the unit # (1 to 10) to each water heater in a Multi-Unit
system.
•
The dark squares indicate the direction the dipswitches should be set to.
Please refer to the multi-unit controller’s manual for additional information and instruction.
.
Available multi-unit controllers with a remote controller
9007675005 ( TM-MC01)
(comes with 9007603005 ( TM-RE30 ))
9008300005 ( TM-MC02 )
(comes with 9008172005 ( TM-RE40 ))
The Comunication Cables are included with the 910 (T-M50). The
Cables use 18 gage wire and can be up to 250 ft. long all together.
Easy-Link / Multi-Unit
System connectors are
on each unit’s
computer board
7-Seg LED
Lower bank of
dipswitches
Upper bank of
dipswitches
This lamp will flash when the unit is allowed the operation.
Unit 1 Unit2 Unit3 Unit4
Remote
controller
Multi-unit
controller
Communication cable
P
A
R
E
N
T
P
A
R
E
N
T
P
A
R
E
N
T
P
A
R
E
N
T
OFF
ON
1 2 3 4 5 6 7 8
Lower bank of Dipswitch
OFF
ON
1 2 3 4 5 6 7 8
Lower bank of Dipswitch
OFF
ON
1 2 3 4 5 6 7 8
Lower bank of Dipswitch
OFF
ON
1 2 3 4 5 6 7 8
Lower bank of Dipswitch
11
22
11
22
11
22
11
22
Connectors
Connectors
Connectors
Connectors
