3.2.3 Control with 2 separate heating circuits in one room
A room with 2 heating circuits is controlled via address
WTC-HC#1+EM-HC#2
.
Only the pump circuit can be controlled via room sensor. The heating circuit with the
lowest temperature level, e.g. underfloor heating, must be controlled by the mixer
valve.
The WCM-FS #1+2 is time master and controls the storage tank charge pump.
Mains
WC GW
vers. H
T
M22
M42
B62
EM#2
M
M
F52
Heating circuit 2
M21
Heating circuit 1
B1
T
M3
B3
T
Water heater
WAS/WAT
modul hydraulic
T
B11
FS#1+2
WCM-CPU#1
Legend:
FS#1+2:
Remote control station WCM-FS
EM#2:
Extension module WCM-EM
B1:
External sensor
B3:
DHW sensor
B11:
De-couple sensor
B62:
Supply sensor heating circuit 2
M21:
Pump heating circuit 1 on MFA
M3:
Storage tank charge pump on VA
M22:
Pump heating circuit 2
M42:
Mixer valve heating circuit 2
M52:
Temperature sensor underfloor heating
Note:
1. WTC settings: P13=7, P14=4
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
10-106
Summary of Contents for WCM-EM 2.1
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