Insufficient Water Flow Rate - Lennox CLIMATIC 50 User Manual

INSUFFICIENT WATER FLOW RATE

Description
The flow switch FSE is detecting a low water flow rate in the evaporator heat exchanger for more than 3
seconds
Action
Immediate shutdown of the whole unit.
A fault signal is shown on the display.
The remote fault signal is delayed by 6 minutes
Reset
The unit restarts automatically, 20 seconds after the flow switch detects a flow rate.
Possible causes
Problem with the pump control wiring.
Problem with the flow switch wiring
Dirty or clogged water filter.
Wrong setting of the flow switch.
CLIMATIC 50 user manual – Chillers ranges
Fault Code: 001
Check the pump connections
Check the flow switch connections
Clean the water filter.
Check the flow switch settings.
Solving the problem
CL50-CHILLERS/IOM/1105-E
FAULT CODES
29
29