System schemes
6 720 645 817
(2010/09)
8
1.3
System scheme 3: mixed heating circuit, DHW circuit, low loss header
Hydraulic scheme with controller (schematic diagram)
Fig. 3
AF
Outside temperature sensor
CUx
Boiler control unit
FW 100
Weather-compensated controller
HP
Heating circuit pump (primary circuit)
IPM 2
Load switching module for two heating circuits
LP
Cylinder primary pump
M
3-way mixer
MF
Mixer circuit temperature sensor
P
Heating circuit pump (secondary circuit)
SF
Cylinder temperature sensor
ST
DHW cylinder
TB
Temperature limiter
VF
Common flow temperature sensor
ZP
DHW circulation pump
1
Module position: on the heat source
3
Module position: on the wall
Heating system components
•
Suprapur gas condensing boiler for balanced flue
operation
•
One mixed heating circuit
•
DHW cylinder
•
Weather-compensated controller
Features
•
Generally, we would recommend the installation of a
low loss header on site to ensure reliable transfer of
the required heating output.
•
The FW ... weather-compensated controller is
preferred for its higher utilisation of condensing
technology.
•
Determine the system water content and select a
corresponding expansion vessel (
Æ
page 39).
•
Install a mechanical safety limiter (TB 1) in
accordance with the underfloor heating system
manufacturer's instructions.
•
Install safety assembly to DIN 1988.
Function description
The mixed heating circuit with low loss header and
DHW heating are regulated by an FW 100 weather-
compensated controller. This always requires the IPM 2
load switching module. A 2-wire BUS system enables
communication between the boiler control unit, the
controller and the load switching module.
6 720 643 417-03.1O
3
AF
3
CUx
2
M
P
I
0
0
1
W
F
T
T
M
M
P
MF
TB
VF
LP
1
ZP
SF
ST ...
Suprapur
KBR 120-280
HP
Содержание SUPRAPUR KBR 120-3 A
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Страница 115: ...6 720 645 817 2010 09 115 Notes ...
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