
4
D 215 - RTR 684 C2 Eng. 14.06.00
We reserve the right to make changes without notice
COSTER
10. EXAMPLES OF INSTALLATIONS
10.1 Production of DHW by rapid heat exchanger :
– Control of distribution temperature by modulating
control of primary zone valve Y1.
– Timed control of primary pump M1 and distribution
pump M2.
B1 – Detector t° distribution DHW (0...99 °C)
M1 – Primary zone pump
M2 – Distribution circuit pump
Y1 – Primary zone regulating valve
B1 – Detector t° distribution DHW (0 ... 99 °C)
M1 – Distribution circuit pump
M2 – Primary zone pump
Y1 – Distribution circuit regulating valve
10.2 Production of DHW by rapid heat exchanger :
– Control of distribution temperature by modulating
control of primary zone valve Y1.
– Timed control of distribution pump M1 and primary
pump M2.
10.
3 Production of DHW with storage calorifier :
– Control of distribution temperature by modulating
control of primary zone valve Y1.
– Control stored water temp. by On-Off control of primary
pump M2
– Timed control of distribution pump M1
10.4 Production of DHW with storage calorifier :
– Control of distribution & storage temp. by modulating
control of primary zone valve Y1.
– Timed control of primary pump M1 and distribution
pump M2
B1 – Detector t° distribution DHW (0 ... 99 °C)
B5 – Detector t° stored water
M1 – Distribution circuit pump
M2 – Primary zone pump
Y1 – Distribution circuit regulating valve
B1 – Detector t° distribution DHW (0 ... 99 °C)
M1 – Primary zone pump
M2 – Distribution circuit pump
Y1 – Primary zone regulating valve
Y1
1
Co
3
Cl
2
Op
B1
N
230 V ~
L
D UE
M
B5
B4
MB3
B2
MB1
11 12 13
14
RTR 684
B6
5 6 7 L L N N 8 9 10
M2
NL
M1
NL
T
12
3
4
E1 E2 E3
B7
C
0C
Y1
1
Co
3
Cl
2
Op
B1
N
230 V ~
L
D UE
M
B5
B4
MB3
B2
MB1
11 12 13
14
RTR 684
B6
5 6 7 L L N N 8 9 10
M2
NL
M1
NL
T
12
3
4
E1 E2 E3
B7
C
0C
RTR 684
M1
M2
Y1
B1
T
REGOLATORE
TEMPERATURA
RTF 618
COSTER
REGOLAZIONE POMPA PRIM.
+
–
▼
▼
1
2
POMPA SEC.
RTR 684
B1
T
M1
M2
Y1
REGOLATORE
TEMPERATURA
RTF 618
COSTER
REGOLAZIONE POMPA PRIM.
+
–
▼
▼
1
2
POMPA SEC.
Y1
1
Co
3
Cl
2
Op
B1
T
B5
N
230 V ~
L
D UE
M
B5
B4
MB3
B2
MB1
11 12 13
14
RTR 684
B6
5 6 7 L L N N 8 9 10
M2
NL
M1
NL
T
12
3
4
E1 E2 E3
B7
C
0C
Y1
1
Co
3
Cl
2
Op
B1
N
230 V ~
L
D UE
M
B5
B4
MB3
B2
MB1
11 12 13
14
RTR 684
B6
5 6 7 L L N N 8 9 10
M2
NL
M1
NL
T
12
3
4
E1 E2 E3
B7
C
0C
RTR 684
B5
T
M1
M2
Y1
B1
T
REGOLATORE
TEMPERATURA
RTF 618
COSTER
REGOLAZIONE POMPA PRIM.
+
–
▼
▼
1
2
POMPA SEC.
RTR 684
B1
T
M1
M2
Y1
REGOLATORE
TEMPERATURA
RTF 618
COSTER
REGOLAZIONE POMPA PRIM.
+
–
▼
▼
1
2
POMPA SEC.
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