Issue:
LLS only displaying dashed line
Resolution:
RTAC & RTHD Chillers with CH530 Controls:
Potential causes are the following:
- Old style External Electronics
- Faulty LLID: follow CH530 Controls troubleshooting procedures
- Faulty Float Assembly: follow CH530 Controls troubleshooting procedures
- Faulty Connection between LLID and Float Assembly: repair/replace defective component or components.
- New Style Integrated Electronics
- Contamination in Evaporator
- Faulty LLS LLID: follow CH530 Controls troubleshooting procedures for integrated electronics LLID
- Both Styles of LLID
- Poor connections on LLID bus
- Other device(s) pulling down the LLID bus signal causing specific LLS diagnostic: follow CH530 Control troubleshooting procedures
Notes:
RLC-SVD05A-EN can be found in e-Library along with a copy attached below.
Other Question/Problem/Cause Statements:
- LLS only displaying dashed lines?
- Liquid Level Sensor only displaying dashed lines?
- LLS not reading correctly?
- Liquid Level Sensor not reading correctly?
Facts:
- Air-Cooled Chiller (Pueblo) (RTAC)
- Water-Cooled Chiller (Pueblo) (RTHD)
Document Identifier: DOC-90074
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.