Potterton Paramount three 30 Installation Manual page 107

Separate circuit
(5736)
Ctrl boiler pump/DHW valve
(5774)
Solar controlling element
(5840)
External solar exchanger
(5841)
Combined storage
(5870)
Relay outputs QX1/QX2
(5890/5891)
7308272-03 03.14
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".
With this parameter it can be defined for special hydraulic systems that the boiler
pump Q1 and the diverting valve Q3 only are responsible for DHW and heating
circuit 1, however not for heating circuits 2 and 3 or for the external consumer
circuit.
- All requests: the diverting valve is connected hydraulically for all requests and
switches between DHW mode and the remaining requests. The boiler pump
runs for all requests.
- Request HC1/DHW only: The diverting valve is connected hydraulically only for
heating circuit 1 and DHW and switches between DHW mode and heat circuit 1
mode. All other requests are not connected hydraulically via the diverting valve
(DV) and the boiler pump, but rather directly connected to the boiler.
The solar heating system can also be operated with charging pumps instead of
with a collector pump and diverting valves for the storage tank connection.
- Charge pump: When using with the charging pump all exchangers can be flow-
ed through simultaneously. The parallel or alternative mode is possible.
- Deflecting valve: When using with a diverting valve always only one exchanger
can be flowed through. Only the alternative mode is possible.
For solar schemes with two storage connections it must be set whether the exter-
nal heat exchanger is present and is used together for DHW and buffer storage or
only for one of the two.
Combined storage-specific functions will be activated with this setting. For in-
stance, the buffer storage electric heater insert can be used for heating as well as
for DHW.
- No: No combined storage exists.
- Yes: A combined storage exists.
- None: Relay outputs deactivated.
- Cons circuit pump VK1: Connection of a pump at the input Q15/18 for an addi-
tional consumer, which is requested via an Hx-input.
- Boiler pump Q1: the connected pump is used for recirculating boiler water.
- System pump Q14: connection of a feed pump.
- Heat gen shut-off valve Y4: Connection of a changeover valve for hydraulic de-
coupling the heat generator from the rest of the heating system.
- Time program 5 K13: the relay will be controlled according to the settings of
time program 5.
- Cascade pump Q25: common boiler pump for all boilers in a cascade.
- DHW mixing pump Q35: separate pump for cylinder content circulation whilst
pasteurisation is active.
- Heat request K27: output K27 will be activated as soon as a heat demand exists
in the system.
Paramount three 30-115 kW
Programming
107