ECKELMANN WRG 3010 E, Инструкция по эксплуатации, Страница: 108 / 113

Firmware V1.4 20.05.2021 108/113
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LT valve fault Hot gas valve fault. The hot gas valve reads both end positions
"open" and "closed". These must match for the actuation. If this is
not the case, the alarm is issued after 300 seconds. (valve
running time) Check both end position feedback signals of
the hot gas valve.
OPEN: Hot gas goes into the heat
exchanger.
CLOSED: Hot gas bypasses the heat
exchanger.
Air conditioning operation
22 Air conditioning
FB H2O outlet Sensor break temperature sensor water outlet (flow) from cold
water plate. Check temperature sensor and replace if
necessary.
Air conditioning
FB H2O inlet Sensor break temperature sensor water inlet (return) in cold
water plate. Check temperature sensor and replace if
necessary.
Air conditioning
frost alarm
Frost protection thermostat cold water circuit has triggered.
Causes the refrigerant valve to close immediately. Here "closed"
means bypassing the heat exchanger and "open" means feeding
the refrigerant into the heat exchanger. The pump continues to
run.
Check the frost protection thermostat and, if
necessary, set it to a different value or
replace it.
Air conditioning
no water
The value of the pressure transmitter in the cold water circuit is
lower than the parameter "minimum water pressure".
Results in immediate closing of the refrigerant valve. The pump
continues to run.
Refill water.
Check pressure transmitter and
replace if necessary.
If no pressure transmitter is
connected in the HT water circuit,
activate the "pressure transmitter"
button. Then it must show "NO".
Air conditioning
no flow
No flow in the cold water circuit. The pump is activated, the flow
monitor is interrogated 3 times at intervals of 30 seconds. If the
flow monitor then still reports no flow, the alarm is triggered.
Results in immediate closing of the refrigerant valve. The pump
continues to run.
Check the flow monitor.
Air conditioning
malfunction
Pump
Collective fault of the pump in the cold water circuit.
Results in immediate closing of the refrigerant valve.
Check the collective fault signal of the pump.
Air conditioning
malfunction
Switching valve Fault switching valve LT / air conditioning. The switching valve
reads both "LT" and "air conditioning" end positions. These must
match for the actuation. If this is not the case, the alarm is issued
after 300 seconds. (valve running time) Check both end position feedback signals of
the switching valve.
OPEN: Hot gas goes into the heat
exchanger.
CLOSED: Hot gas bypasses the heat
exchanger.
Air conditioning
malfunction
Valve Malfunction valve refrigerant air conditioning. The refrigerant
valve reads both end positions "OPEN" and "CLOSED". These
must match for the actuation. If this is not the case, the alarm is
issued after 300 seconds. (valve running time) Check both end position feedback signals of
the refrigerant valve.
OPEN: Refrigerant goes into the heat
exchanger.
CLOSED: Refrigerant bypasses the heat
exchanger.
Emergency stop
air conditioning
Emergency stop air conditioning (message comes when digital
input is de-energised).
Results in shutdown of the air conditioning operation.
Check whether 230 V is applied to the
terminals 94/95.
Gas cooler bypass (GCBP)
20 GCBP disabled The gas cooler bypass has been blocked due to a parameter
violation. Wait for time and check the parameters
under "GCBP" if necessary.