Configuring Underfloor Cooling Or A Convection Fan; Selecting The Conditions For Activating Cooling Mode; Configuring The Backup - Baxi MK SYSTEM Installation, User And Service Manual

8.5.3

Configuring underfloor cooling or a convection fan

Tab.9
Access path
> Heat Pump
23.5
Heat Pump >
23.5
Parameters, counters,
signals > Settings
> CIRCA >
24.5
Parameters, counters,
signals > Settings
8.5.4

Selecting the conditions for activating Cooling mode

8.6

Configuring the backup

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On
Parameter Description
CH function on Enable central heating demand
AP016 processing
To allow cooling of the heating
zone, activate the heating function
Cooling mode Configuration of the cooling mode
AP028 Only enables cooling when the
summer mode is active, by default
when the outdoor temperature ex­
ceeds 22 °C: value can be modi­
fied via the parameter Summer
Winter (AP073).
Floor cool setpoint Cooling flow temperature setpoint
CP270 for the underfloor cooling
Fan cool setpoint Cooling set point for the flow tem­
CP280 perature on the convection fan cir­
cuit
RevContactOTH cool Reverse the on/off thermostat
CP690 contact
On
Cooling mode is used to lower the temperature in the selected zone to
below the outdoor temperature. Cooling of the zone is only possible if it is
equipped with underfloor heating (parameter Zone Function (CP020) set
to Mixing Circuit or convection fans (parameter Zone Function (CP020) set
to Fan Convector
This function is only available when the Zone Function parameter (CP020)
is set to Mixing Circuit or Fan Convector (Installation Setup > CIRCA >
Parameters, counters, signals > Parameters menu).
1. Configure the following parameters:
2. If necessary, force cooling or modify cooling temperatures for circuit
CIRCA.
In the Scheduling operating mode, the Cooling timer programme is
activated automatically when the average outdoor temperature is above
22 °C. To change this temperature, proceed as follows:
1. Select the icon.
2. Select Summer/Winter.
3. Set the outdoor temperature at which the system should switch to
Cooling mode.
To allow the backup to operate, the following parameter must be adjusted:
Backup type HP029.
Adjustment required
On
Active cooling on
18(default value).
Set the temperature according to the type
of floor and the level of humidity.
7 °C(default value).
Set the temperature according to the con­
vection fans used.
No
Yes
Check the setting according to the ther­
mostat or room sensor used.
8 Settings
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