Baxi Fires Division 347 Manuel de service Page 101

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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“.
Ctrl boiler pump/DHW valve
(5774)
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.
Solar controlling element
(5840)
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.
External solar exchanger
(5841)
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
(5870)
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.
Relay outputs QX1 - QX3 (5890 to 5892)
Relay outputs QX1/QX2/QX3
(5890 bis 5892)
- None: Relay outputs deactivated.
- Circulation pump Q4: The connected pump serves as domestic hot water circu-
lation pump (see prog. no. 1660).
- El imm heater DHW K6: With the connected electrical immersion heater, the
DHW can be charged according to the operating side DHW storage operating
lines electrical immersion heater.
Note: The Operating mode is set under programme number 5060.
- Collector pump Q5: Connection of a circulating pump in case of solar collector
use.
- Cons circuit pump VK1/2: 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 recirculation of the boiler water.
Programming
396532 07.11 Paramount three 30-115 kW 101
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