Dantherm HCV 300, Руководство по обслуживанию

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29
093683
• Versio
n
1.4• 19.
04.20
17
Use of control panel.,
continued
Manual bypass
mode
If one of the preconditions for automatic bypass
mode
is not present, you can still se-
lect bypass manually: Press on the bypass button once. This will override the setpoints
and enable bypass for 6 hours. This only applies however if the outside temperature is
2°C lower than the indoor temperature and if there is no risk of icing in the heat ex-
changer.
The bypass LED will light constantly when the bypass damper is open.
Manual fan speed Press on this button once and the fan speed will increase one step.
This can be repeated until step 4 is achieved, after which the fan will start
back on step 0 and so on.
Fireplace mode A wood-burning fireplace requires overpressure so that smoke is not brought into the
house when lit. Fireplace
mode
:

Set the supply fan speed to 3
 Reduce the exhaust fan to 50% of the supply fan to generate overpressure.

If the supply air temperature (T2) is under 9°C, fireplace mode will
be disabled.
Fireplace mode can be enabled by pressing on Manual fan speed for
5 seconds. Fireplace mode is discontinued after 7 minutes but can be can-
celled again manually by pressing on Manual fan speed for 5 seconds.
The 3 LEDs for fan speed flash for the 7 minutes that fireplace mode is enabled.
Week program
Press once to select the weekly program function. The LED will light con-
tinously when the weekly program is enabled. The HRC3 remote control and
Dantherm PC-Tool will allow you to select the appropriate week program
according to wishes and needs.
Week program 11 can be adapted with a mixture of fan speeds and timers. Week pro-
gram 11 can be adapted with Dantherm PC-Tool.
Press and hold for 5 seconds to enable demand controlled operation.
This is only possible if the unit is equipped with VOC/RH% sensor.
 The LED flashes to indicate Auto-
mode
(demand controlled operation) via the
VOC/CO
2
sensors.
Filter or
error display This button is an alarm
reset
. If the LED lights orange this is a
warning that the filter needs changing. See page 32 for information on
changing filters.

Press once to reset the filter alarm.

Press and hold for 10 seconds to reset the filter timer without the timer having
expired.
If the LED is red, the unit is in a alarm state, that needs to be corrected, in order to
bring the unit into operation again.
Error codes can be read on the remote control if connected, or in the Dantherm PC tool.
Demand mode