Installing the Chilled Water System Optimizer
Chilled Water System Optimizer v2
CARRIER CORPORATION ©2019
Installation and Start-up Guide
8
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To wire for power
1
Make sure the controller’s power switch is in the
OFF
position to prevent it from powering up before you can
verify the correct voltage.
2
Remove power from the power supply.
3
Pull the screw terminal connector from the router's power terminals labeled
24 Vac/Vdc
and
Ground
.
4
Connect the transformer wires to the screw terminal connector.
5
Apply power to the power supply.
6
Measure the voltage at the controller’s power input terminals to verify that the voltage is within the operating
range of 21.6 – 26.4 Vac or 23.4 - 28.6 Vdc.
7
Insert the screw terminal connector into the controller's power terminals.
8
Turn
on
the controller's power.
9
Verify that the Run LED (a dot in the lower right corner of the
Module Status
LED) begins blinking. The
Module
Status
LED will display
8
for about 5 seconds and then reverts to
0,
until controllers have been found and
downloaded. There is a chase pattern when the router is running with no errors.