Dantherm HCH 5 MKII Manual page 11

USER MANUAL
Operation: Temporary modes (override)
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Summer mode When summer mode is active, this will stop the supply air fan and only the extract air fan will
be in operation. In this case, a fresh air supply can be ensured by opening windows, doors,
etc.
NOTE: Summer mode will be deactivated automatically when the outdoor temperature
drops below 14 °C.
Fireplace mode
Activation of the fireplace mode can be used when you light up the stove. The unit will then
run with positive pressure for seven minutes to prevent smoke in the living room. If the fire-
place mode is not deactivated manually, it will automatically stop after seven minutes.
d: The fireplace mode is only activated as long as the supply air temperature is above 9 °C.
Short press – activates/deactivates manual bypass mode.
Active bypass mode (open damper) is indicated by constant light in the corre-
sponding LED.
NOTE: If bypass mode is activated, but the conditions for open bypass damper
are not present, the activated bypass mode will not be visible from the LED.
Mandatory conditions for allowing activation of manual bypass (all conditions
NOTE
must be present at the same time. The bypass will otherwise be deactivated):
• Outdoor air temperature is at least 2 °C lower than the exhaust air temperature
• AND outdoor temperature is higher than 9 °C
Long press (five seconds) - activate/deactivate summer mode
Active summer mode is indicated by a flashing light in the corresponding LED
Long press (five seconds) - activates/deactivates fireplace mode.
Active fireplace mode is indicated by flashing in the three fan speed LEDs
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