Ferroli RHV R134a Instruction Manual page 29

Alarms shown on display
High temperature water condenser
Low temperature water condenser
Condenser water flow
Condenser pump A thermal protections Condenser Pump A
Condenser pump B thermal protections Condenser Pump B
Condenser pump A unavailable
Condenser pump B unavailable
High temperature plant return
Low temperature plant return
MONITORING SYSTEM - Alarms
Components involved
Water outlet probe condenser 1
Water outlet probe condenser 2
Condenser water differential pressure
switch and/or flowswitch.
Condenser Pump A
Condenser Pump B
Evaporator water inlet probe
Alarm effect
Stop the unit - value outside limit
-no water circulation or insufficent water
Stop the unit flow rate
-defective sensors switch not correct
Condenser Pump A stop
-current value outside limit
Condenser Pump B stop
Condenser Pump A stop
-Pump not available from the controller
Condenser Pump B stop
Stop compressor and fans
of all circuits
- value outside limit
Evaporator pumps remain
active
Cause of alarm
29