3.2 Variations
3.2.1 Control with one pump heating circuit
When controlling a pump heating circuit, the heating circuit pump is controlled by the
WCM-FS address
WTC-HC#1
. For the operation of the heating pump parameter P13
(MFA) or parameter P14 (VA) on the WTC must be set to parameter value 7.
In the following system example the WCM-FS is the time master and controls:
▪
Heating circuit #1
▪
DHW loading
WTC 45/60-A
vers. H-PEA
B1
Mains
M3
B3
M1
T
Water heater
WAS/WAT
T
Heating circuit 1
FS#1
B11
T
WCM-CPU#1
Legend:
FS#1
Remote control station WCM-FS#1
B1:
External sensor
B3:
DHW sensor
B11:
De-couple sensor
M1:
Pump heating circuit 1 on MFA
M3:
Storage tank charge pump on VA
Note:
1. The remote control station FS must not be replace with a DU timer.
2. DHW preparation always has priority.
3. Set address of the WCM-FS when commissioning: WTC-HK#1
4. 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
8-106
Summary of Contents for WCM-EM 2.1
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