20 | EN STOUCH v2019.1
18. ALARMS
A – Alarm.
– Warning.
18.1. ECO AUTOMATION ALARMS
INDICATION VALUE (FOR ALARM DESCRIPTION PLEASE REFER TO THE UNIT
TECHNICAL MANUAL)
.01 Activated heat exchanger antifreeze protection
A.02
External protection activated for example, re emergency exit, lter contamination
(pressure rely activated), fans
A.03 Return water critical temperature
A.04 “P-mA” of water heater
.05 Low unit’s power voltage
A.06 Extracted air temperature sensor fault
A.0 Supply air temperature sensor fault
A.08 Return water temperature sensor fault of water heater
A.09 Ambient air temperature sensor fault
18.2. PRV AUTOMATION ALARMS
INDICATION VALUE (FOR ALARM DESCRIPTION PLEASE REFER TO THE UNIT
TECHNICAL MANUAL)
.01 Heat exchanger antifreeze protection activated
A.02 Fire protection activated
A.03 Clogged lters
A.04 Fan fault
.05 Low voltage
A.06 DTJ (100) temperature sensor alarm fault
A.0 Exhaust air temperature sensor fault
A.08 Supply air temperature sensor fault
.09 DTJ (100) humidity sensor fault
A.10 Return water temperature sensor fault
A.11 Ambient air temperature sensor fault of water heater
A.12 Overheat
A.13 Rotor failure
A.14 Low air humidity
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