Assortment / System Description

42
Boiler temperature control with maintained return temperature and DHW circuit, heating circuit
H4-0 Boiler temperature control with maintained return temperature
H4-1 … and DHW circuit
H4-2 … and 1 heating circuit
H4-3 … and DHW circuit and 1 heating circuit
H4-4 … and 2 heating circuits
H4-5 … and DHW circuit and 2 heating circuits
Plant type Description Plant diagram
H4-0 N1: Boiler temperature control with 1-stage
burner and boiler pump, maintained return
temperature controlled via mixing valve.
H4-0
N1
3133S30
N.X1
N.Q3
N.X3
N.Q5
N.Q1/Q2
H4-5 N1: Boiler temperature control.
A3: DHW circuit (BW 2). With storage tank
flow controlled via mixing valve and
charging pump.
A2(1): Heating circuit, weather-compensated.
A2(2): Heating circuit, weather-compensated.
H4-5
A3N1
3133S35
A3.X2
A3.Q1/Q2
A3.Q5
A3.X1
N.X2
N.X1
N.Q3
N.X3
N.Q5
N.Q1/Q2
A2(2)A2(1)
A2.X1
A2.Q3
A2.Q1/Q2
A2.X1
A2.Q3
A2.Q1/Q2
Weather-compensated heating circuit control via heat exchanger and DHW circuit, heating circuit
H5-2 Weather-compensated heating circuit control via heat exchanger ...
H5-3 … and DHW circuit
H5-4 … and 2 heating circuits
H5-5 … and DHW circuit and 2 heating circuits
H5-6 … and 3 heating circuits
H5-7 … and DHW circuit and 3 heating circuits
Plant type Description Plant diagram
H5-2 N1: Weather-compensated heating circuit
control via heat exchanger connected to
uncontrolled header, with 2-port valve in
the primary return.
3133S37
N1
N.X1
N.Q3
N.Q1/Q2
N.X3
H5-2
N.X2
H5-7 A3: DHW circuit (BW 3). With storage tank
charging via heat exchanger connected
to uncontrolled header.
N1: Heating circuit, weather-compensated.
A2(1): Heating circuit, weather-compensated.
A2(2): Heating circuit, weather-compensated.
A2(1)N1 A2(2)
3133S42
A3
N.X1
N.Q3
N.Q1/Q2
N.X3
A2.X1
A2.Q3
A2.Q1/Q2
A2.X3
A2.X1
A2.Q3
A2.Q1/Q2
A2.X3
A3.X2
A3.X4
H5-7
N.X2
A3.Q1/Q2
A3.Q3
Plant types H4-x
Plant types H5-x