Alarm; Control Unit And Room Sensor Alarm Lamp; Alarm Buzzer At Alarm; Acknowledgement Of Alarms - IVT Greenline HE C6-C11 User Manual

Alarm

11 Alarm
11.1 Control unit and room sensor alarm
lamp
The status lamp on the control unit is used to show ON/
OFF status for the heat pump but also to show possible
alarms. The status lamp is therefore also called alarm
lamp. If there are room sensors, it/they provides the
same information as the lamp on the heat pump.
In the event of an alarm the alarm lamp flashes red
(control unit) until the warning cause has disappeared.
The alarm lamp is not used for warning alarms.
The room sensor alarm lamp can be blocked.
Behaviour Function
The lamp lights The heat pump is running.
green
continuously.
The lamp There is an alarm which has not
flashes red been acknowledged
The lamp lights The alarm has been
red acknowledged but the alarm
continuously. cause remains
Lamp flashes The heat pump is in stand-by
green slowly mode
Tab. 47 Alarm lamp control unit
1) Stand-by means that the heat pump is running but no
heating or hot water demand exists.
The alarm lamp of the CANbus sensor shows the same
information as the alarm lamp of the control unit.
Other room sensors flash with low-frequency red light in
the event of alarms; the lamp is otherwise off.

11.2 Alarm buzzer at alarm

When there is an alarm, the alarm buzzer on the heat
pump and the CANbus-connected room sensor sounds
for a second per set alarm interval. The alarm buzzer can
be blocked for a certain part of the day or completely.
In the event of a warning alarm, the alarm buzzer does
not sound.

11.3 Acknowledgement of alarms

Acknowledgement means that you have to press
make the alarm window disappear. What happens after
acknowledgement is described in the respective alarm
description.
In most cases, warnings do not have to be
acknowledged. The alarm window disappears by itself
24
1)
once the warning cause has disappeared. It is, however,
possible to acknowledge the warning.

11.4 Alarm timer, alarm mode

In the event of an alarm that stops the compressor the
control unit starts a timer at 1h. If the fault does not
recur additional heat may start when the timer has
counted down.
to
6 720 643 415 (2010/03)