Potterton Gas condensing boiler, Инструкция по установке, эксплуатации и обслуживанию, Страница: 99 / 136

Min start temp diff Q33
(5148) This parameter determines switch on delay of the intermediate circuit pump de-
pending on the boiler temperature. The intermediate circuit pump is switched on
as soon as the boiler temperature has reached the boiler setpoint plus the value
set here. The setting -5 °C has the effect that the intermediate circuit pump will
be switched on as soon as the boiler temperature has reached the boiler setpoint
up to 5 °C.
Excess interm circ temp del
(5151) Control of the burner output on the charging temperature is activated if the time
set here has elapsed since switching on the intermediate circuit pump.
8.21 Configuration
Heating circuit 1,2
(5710, 5715) The heating circuits can be switched on or off by this setting. The parameters for
the heating circuits are hidden in the switched off state.
This adjustment directly affects the heating circuits and has no influence on the
operating unit!
DHW sensor
(5730) - None : No DHW sensor available.
- Sensor B3 : It exists a DHW storage tank sensor. The controller calculates the
switching points with the corresponding switching difference from the DHW
setpoint and the measured DHW storage tank temperature.
- Thermostat : Control of domestic hot water temperature as a function of the
switching status of a thermostat connected to DHW sensor B3.
Note: When using a DHW thermostat no reduced mode is possible. This means if
reduced mode is active, the DHW preparation is blocked with the thermostat.
Caution! No frost protection for DHW !
The domestic water frost protection cannot be guaranteed.
Basic pos DHW div valve
(5734) The base position of the diverting valve is the position in which the diverting
valve (DV) is in if no request is active.
-
Last request : The diverting valve (DV) remains after the last request has ended
in this last position.
- Heating circuit : The diverting valve (DV) goes into the heating circuit position
after the last request has ended.
- DHW : The diverting valve (DV) goes into the DHW position after the last re-
quest has ended.
Separate circuit
(5736) The DHW separate circuit can only be used in a boiler cascade.
-
Off : The DHW separate circuit is switched off. Each available boiler can feed the
DHW storage tank.
- On : The DHW separate circuit is switched on. The DHW charging is only done
from the boiler defined for this.
For a DHW separate circuit, under prog. no. 5731, the DHW control element Q3 is
set on "diverting valve“.
Programming
396532 05.11 Paramount three 30-115 kW 99