18.2 Hydraulic diagrams
Basic module with weather-sensitive control system,
one buffer as long-term buffer
and a fresh-water module as long-term buffer
System description:
The hydraulic system consists of boiler circuit and a buffer switched as long-term buffer (VAR 2). The return flow
boost is executed via a motor valve (5) on at least 50 °C. The basic module for DHWC & buffer control is equipped
with a weather-sensitive control system for 2 heating circuits (option). One heating circuit is equipped with an
analogue room control unit (option), the second heating circuit is equipped with a digital room control unit (option)
for remote control.
Basic settings menu
Parameter Settings
Return flow boost Thermal valve
Network settings Boiler External 2 Heat to target 2
Power output Heating mode
Boiler dependence Yes
Heating circuit /
heating circuit 0 Room sensor Boiler / 0
Outdoor sensor Boiler
Function No
Group no. 0
Heating circuit /
heating circuit 1 Room sensor DRCU 1
Outdoor sensor Boiler
Function Yes
Group no. 0
Heating circuit /
heating circuit 2 Room sensor Boiler / 1
Outdoor sensor Boiler
Function Yes
Group no. 0
DHWC / DHWC 0 Function Yes
Group no. 0
Buffer / buffer 0 Function VAR 2
Buffer / buffer 1 Function No
Digital remote control / Outdoor sensor Boiler
Digital remote control 1 Heating circuit 1 - 2
DHWC 0 - 0
Buffer 0 - 0
Hardware Heating circuit modules 0
Digital remote control 1
Plug-in modules Off
Comments: None Subject to change!
Tech. data sheet HYD-USP-MBEH0011, sheet 2/2, date: 07-10-2008 MaSa
MA-Easyfire 10.2008_EN.indd 181MA-Easyfire 10.2008_EN.indd 181 30.03.2009 13:32:20 Uhr30.03.2009 13:32:20 Uhr
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