OUMAN EH-203, Руководство пользователя

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OUMAN EH-203 ALARMS! OUMAN EH-203 OUMAN EH-203 OUMAN EH-203
In case of sensor fault, the regulator gives an alarm and a message appears on the
display: Alarm! Measurement number and name and err. The alarm relay contact
closes (strip connectors 31 and 32).
Measurements 6, 9, 10 and 11
as alarms:
EH-203 gives as alarm when a situation deviates from the norm. In the event of an alarm, the regulator gives an alarm and a
message appears on the display. In addition, the alarm relay contact closes. Note! Although the reason of the alarm is
no more valid, the last alarm will remain into display intil it is acknowledged. If a GSM modem has been connected to the
regulator, the alarm will appear in the desired GSM phone as a text message.
The regulator's three digital inputs can be used for receiving alarms. The alarms
can be labeled according to topics, e.g., "water damage” (installation p. 32-33).
When the contact which is connected to the digital input closes, an alarm goes off
and "err” appears on the display. If the alarm is not labeled, "Alarm!, Dig 1(2)(3) will
appear on the display. In the event of an alarm, the alarm relay contact closes (strip
connectors 31 and 32)
Sensor fault alarms:
HW overheating alarm:
Digital inputs as alarms
If the HW supply water temperature exceeds the HW alarm limit (factory setting 70
C), the alarm goes off. The present supply water temperature appears on the
display. The alarm relay contact closes (strip connectors 31 and 32). See
"Settings", page 23.
o
Network pressure alarm:
The regulator gives a risk of freezing alarm if the supply water temperature goes
below the lower limit set for a free drop in the supply water or the lower limit set for
the room temperature. The present supply water temperature appears on the
display. The alarm relay contact closes (strip connectors 31 and 32). See special
maintenance settings page 29.
EXTERNAL ALARMS:
Measurements 6, 9, 10, and 11 can also be used to indicate external alarms
(potential free switch). In that case a 30k9 resistor must be connected to the strip
connector of the measurement in question.
When the contact is open "1"
appears on the display.
When the switch closes, an
alarm goes off and the alarm
in question appears on the
display.
CONNECTING THE ALARM RELAY:
Alarm
center
31
32
2 x 0.8 24 VAC/ 1A
ALARM ACKNOWLEDGEMENT:
Turn the alarm off by pressing any button. The display will return to the mode it was
in before the fault appeared or if there are additional sensor faults their alarm
information will appear on the display. If you don't press the keyboard in 20 seconds
the alarm will return to the display if the fault has not been corrected.
Note! If a MODBUS 200 is connected, the alarm is acknowledged automatically
locally (the alarm will stop sounding, the alarm relay will open and the alarm display
will disappear)!
Deviation alarm:
The regulator gives a deviation alarm if the supply water temp permanently deviates
(factory setting 60 min) from the temp set for it by the regulator. (The maximum
allowed deviation is listed in special maintenance under "H1 Dev. alarm" settings
and the duration of the deviation that causes the alarm to go off is under settings
"DevAlaDela", page 29.) Note! H1/H2 deviation alarms do not go off when the pump
is on summer stop, the valve is shut for the summer, the controller is in a stand by
state or the supply water temperature is just slightly (max.10°C) above the outdoor
temperature and the supply water temperature is higher than the set value.
30k9
30k9
Closing alarm Opening alarm
When the contact is closed
"1" appears on the display.
When the switch open, an
alarm goes off and the alarm
in question appears on the
display.
"Risk
of
moisture”
"W
astewater
tank”
"W
ater
pressure”
Alarm!
Measurement 1
Outdoor temp err
The GSM modem (optional equipment) offers an economical "miniature monitor
solution”. Alarm information is directed to the desired GSM numbers (1 and 2). See
p. 37, 38). In the event of an alarm, the regulator first sends a text to GSM1 that
indicates the cause of the alarm. The alarm is acknowledged when the same
message is sent back to the regulator via the GSM. If the GSM1 does not
acknowledge the alarm in 5 minutes, the regulator will send the text message again
to both GSM numbers.
"Thermal
relay”
19
Consumption alarm:
Risk of freezing alarm:
Alarm!
13/10 11:03
Measurement 1
Outdoor temp err
Deviation alarm!
15/5 08:54
Measurement 2
H1 supply 25
Overheating!
07/03 13:17
Measurement 7
HW supply 78
Fill alarm!
23/06 13:24
Measurement 6
Netw.press. 0.6
Risk of Freez!
13/11 13:24
Measurement 6
H1 supply
11
If measurement 6 is reserved for measurement of water pressure in the network,
the controller gives an alarm if the pressure is too high or too low (fill alarm) and if
there is no pressure (lower limit alarm, see p. 31). External alarms can also be
connected to EH-203, e.g., a pressure alarm can taken as contact information from
the pressure meter giving the alarm. (Alarm labelling is done using the text editor).
If pulse information from the facility's water meter is connected to digital inputs, it is
possible to monitor possible leaks in the hot water network (see p.32).
Consumpt.alarm!
06/1 03:08
Dig 1