Tech Controllers EU-27i, Руководство пользователя

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EU-27i User's manual
8
VI. Alarms
Each alarm controller is signaled with the sound, red "Alarm" diode lit on the panel, flashing
screen, and the appropriate message on the screen. Leaving alarm mode proceeds by pressing any
button, after the removal of the defect (or after cooling the circulation).
Below, the operated alarms are shown subsequently, according to priority:
1. No CH sensor
Text on a display:
The activation of CH pump takes place, also HCW pump is
activated, if the
2nd pump is HCW.
2. Shorted CH sensor
Text on a display:
The activation of CH pump takes place, also HCW pump is
activated, if the
2nd pump is HCW.
3. No CHW sensor
Text on a display:
The activation of CH pump takes place. Working mode switched
to "CH only". The second pump type is switched to "No pump".
4. Shorted sensor 2
Text on a display:
The activation of CH pump takes place. Working mode switched
to "CH only". The second pump type is switched to "No pump".
5. CH temperature above the alarm value
Text on a display:
The activation of CH pump takes place, and HCW pump is also
activated, if
pump 2 is HCW pump.
6.Temperature 2 above the alarm value
Text on a display:
The activation of CH pump takes place, also HCW pump is
activated, if the
2nd pump is HCW.
7. Temperature 2 below 7°C
Text on a display:
The alarm is active only when anti-freezing option is activated.
The activation of CH pump takes place, and if pump 2 is HCW,
HCW pump is also activated until reaching 9°C.
!NO!
!CH sensor!
!Shorted!
!CH sensor!
!NO!
!Sensor 2!
!Shorted!
!Sensor 2!
!Temperature!
!CH sensor!
!Temperature!
!Sensor 2!
!Below 7
⁰C
!
!Sensor 2!