Specifications

automatically. If the problem cannot be resolved, the CSB must

be replaced.

T950 (Loss of Communication with Water System Man-

ager) — This alert will be generated if no communications

have been received by the Main Base Board for five (5) min-

utes. When this occurs the Water System Manager (WSM)

forces are removed. The chiller runs in stand-alone mode.

If this condition is encountered, check the following items:

• Check CCN wiring.

• Check for power at the water system manager.

• Check Main Base Board for a communication failure.

T951 (Loss of Communication with Chillervisor System

Manager) — This alarm will be generated if no communica-

tions have been received by the Main Base Board for five (5)

minutes. When this alert is generated the Chillervisor System

Manager (CSM) forces are removed, and chiller runs in stand-

alone mode.

If this condition is encountered, check the following items:

• Check CCN wiring.

• Check for power at the Chillervisor System Manager.

• Check Main Base Board for a communication failure.