Potterton Paramount three 30 Installation Manual page 101

Min st tank temp heat mode
(4724)
Charging temp max
(4750)
Recooling temp
(4755)
Recooling DHW/HCs
(4756)
Recooling collector
(4757)
With solar integration
(4783)
Return diversion
(4790 - 4795)
Optg action return diversion
(4796)
7308272-03 03.14
If the storage tank temperature of the buffer storage tank drops below this value,
the heating circuit is switched of if no generator is available.
The buffer storage tank is charged from solar energy up to the set charging tem-
perature maximum.
The collector overheating protection function can put the collector pump back in
operation until the maximum storage tank temperature is reached.
The collector overheating protection function can put the collector pump back in
operation until the maximum storage tank temperature is reached.
For the recooling of the buffer storage tank to the recooling temperature there
are two functions available.The energy can be discharged via a heat draw of the
room heating or the DHW storage tank. This can be separately set for each heat-
ing circuit.
Recooling with a too high buffer storage tank temperature by transmission of en-
ergy to the environment via the collector area.
- Off: recooling is switched off.
- Summer: the recooling is only active in the summer.
- Always: recooling is always active.
Setting of whether the buffer storage tank can be charged by solar energy.
At the appropriate temperature difference between the return sensor B73 and
the selectable comparative temperature the return is re-routed to the lower buf-
fer storage tank part. The function can either be used as return temperature in-
crease or as return temperature decrease. The way this works is defined in prog.
no.4796.
Using the definition of the temperature differences in prog. no. 4790 and 4791
the switch on and switch off point of the return redirection is established.
In prog.no. 4795 the buffer storage tank sensor is selected that delivers the value
for the comparison with the return temperature, to switch on the return redirec-
tion with the aid of the set temperature differences.
Note: To activate the return redirection the relay outlet QX1, QX2, QX3 (prog. no.
5890-5892) for the buffer deflector valve and the sensor inlet BX1, BX2, BX3 (prog.
no. 5930-5932) for the rail return sensor B73 must also be configured.
The function can either be used as return temperature increase or as return tem-
perature decrease.
Temp decrease: If the return temperature of the consumer is higher than the tem-
perature on the selected sensor (prog. no. 4795), the lower part of the storage
tank can be preheated with the return. The return temperature drops even lower
with this, which, for example with a condensing boiler leads to a higher efficien-
cy.
Temp increase: If the return temperature of the consumer is lower than the tem-
perature on the selected sensor (prog. no. 4795), the return can be preheated by
redirecting over the lower part of the storage tank. In this way, for example, a re-
turn reheating can be implemented.
Paramount three 30-115 kW
Programming
101