3.2.2 Control of multiple heating circuits
Up to 7 additional heating circuits can be controlled via separate extension modules.
In the following system example the WCM-FS controls the respective heating circuit.
Only the WCM-FS with address
EM-HC#2
is time master and in the system example
it controls:
▪
DHW loading
▪
Optional circulation pump.
Water heater
WAS/WAT
Mains
B3
M3
WTC GW
vers. H
B1
T
FS#2
B11
M7
T
M22
M42
B62
EM#2
T
T
M28
M48
B68
T
M
M
Mains
Mains
up to 7 mixer circuits
Heating circuit 8
Heating circuit 2
T
modul hydraulic
EM#8
modul hydraulic
WCM-CPU#1
FS#8
Legend:
FS#2 … 8: Remote control station WCM-FS#2 … 8
EM#2 … 8: Extension module WCM-EM#2 … 8
B1:
External sensor
B3:
DHW sensor
B11:
De-couple sensor
B62:
Supply sensor heating circuit 2
B68:
Supply sensor heating circuit 8
M3:
Storage tank charge pump on MFA
M7:
Circulation pump on VA
M22:
Pump heating circuit 2
M28:
Pump heating circuit 8
M42:
Mixer valve heating circuit 2
M48:
Mixer valve heating circuit 8
Note:
1. WTC settings: P13=4, P14=6
Installation and operating instruction
Remote control station WCM-FS 2.0 and extension module WCM-EM 2.1
3 Product description
83277502 • 3/2012-10 • La
9-106
Summary of Contents for WCM-EM 2.1
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