Start-up and Commissioning
Chilled Water System Optimizer v2
CARRIER CORPORATION ©2019
Installation and Start-up Guide
34
All rights reserved
NOTE
We highly recommended that you set
Pause algorithm when staging up or down
to
On
when the plant
has multiple chillers. We recommend you initially set the
Hold algorithm
delay time to between 15 and 20
minutes. Adjust as required. Delay time should allow enough time for the plant to stabilize after a chiller is
started or stopped.
CAUTION
Even though the plant is now ready to be enabled, do
not
enable it yet.
Section 2 - Chiller System Power, Efficiency, and Thermal Load Input and Status
(page 63)
Verify all the power inputs are displaying proper values for all available devices - chiller(s), pump(s) and AHU
fan(s).
Verify all running chiller(s) are showing the appropriate statuses (Off/On).
Section 3 - Stagger Reset – Enable Conditions
(page 65)
Verify
Lead / Lag -
Stagger routine for optimization is: Off
.
NOTE
Stagger reset should only be
On
after both the
Chilled Water Optimizer Reset
and the
Condenser Water
Optimizer Reset
are commissioned and enabled.
Section 4 – Optimizer Setpoint Change Mode
(page 66)
Select
Optimizer is in: AUTOMATIC mode
to enable automatic setpoint change.
Select
Optimizer is in: MANUAL mode
to enable only manual setpoint change.
NOTE
Use
MANUAL
mode with caution and only if you thoroughly understand its operation.
Chilled water temperature optimizer reset
After you have completed the sequence specified in the General Conditions and Status section, then commission
the
Chilled Water Temperature Optimizer Reset
(page 68).
1
Before commissioning the
Chilled Water Temperature Optimizer Reset
, verify that
Condenser Water
Temperature Optimizer Reset
>
Section 1 - Condenser Water System Optimizer - Enable
Conditions
>
CWS
Optimizer ON Switch
(page 60) is set to
DISABLED
.
2
Verify the condenser water temperature setpoint is held constant.