3
x
Operation
Daikin RoCon HP
Daikin Control
008.1420844 – 05/2014
Operating instructions
23
7: When the outdoor temperature < parameter value [Equilib-
rium Temp] + there is a heating or hot water demand.
Heat pump does not continue to operate = alternative
bivalence operation.
8: When there is a hot water demand.
9: When outside temperature < parameter [Equilibrium Temp]
+ heat demand "Room heating" (not for hot water demand).
Heat pump no longer operates in room heating mode below
the value set in parameter [Equilibrium Temp] - only in hot
water mode.
The potential-free
AUX switching contact
(switching output
B
)
always closes if the heat pump is in "Cooling" mode.
More detailed explanations and possible setting values for this function can be seen
in chapter 5.2.2.
3.6.10 Air Purge
By activating the Air Purge the RoCon HP Control starts a de-
fined sequence program with Start-Stop operation of the inte-
grated heat circulation pump and various settings for the 3-way
diverter valve integrated into the Daikin Altherma EHS(X/H).
Existing air can leak from the automatic venting valve during the
Air Purge and the heating circuit connected to the Daikin Al-
therma EHS(X/H) is evacuated.
The activation of this function does not replace the
correct venting of the heating circuit.
Prior to activating this function, the heating circuit must
be completely filled.
1. Enter the expert code (see section 3.6.1).
The
"Setup"
level is displayed after entering.
2. Select the [
Air Purge
] parameter using the rotary switch.
3. Confirm the changes with a brief push of the rotary switch.
The setting for the parameter is displayed.
4. Using the rotary switch, set the parameter for the function to
"On"
and confirm by pressing it quickly.
"Air Purge"
starts (3-way diverter valves into middle posi-
tion, heating circulation pump modulated - see fig. 3-17).
After the programme is completed (approx. 10 min), the
Daikin Altherma EHS(X/H) switches to "Standby" operat-
ing mode.
Fig. 3-17
Air Purge
procedure
5. Place the rotary switch in the
"Operating Mode"
position and set the desired operating mode
(see section 3.4).
More detailed explanations and possible setting values for this function can be seen
in chapter 5.2.1.
3.6.11 Legionella protection
WARNING!
There is a danger of scalding at target hot water tem-
peratures over 60 °C. This is possible when solar
energy is used and when legionella protection or
SMART GRID is activated or when the domestic hot
water target temperature is set higher than 60 °C.
●
Fit a scald-protection in the hot water distributor
line (e.g. VTA32 + Screw connection set 1" ).
This function serves to prevent bacterial contamination in the hot
water storage tank. For accurate controllers for drinking water hy-
giene, refer to the national provisions.
The legionella protection function in the Daikin Al-
therma EHS(X/H) is deactivated when leaving the
factory as the possibility of bacterial contamination is
very low:
– Low volume of heat exchanger (stainless steel)
used for heating drinking water.
– Frequent complete water replacement "first-in-first-
out".
– No stagnant water areas in drinking water storage.
