User Manual

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Building Technologies M-bus System CE1P5361en
HVAC Products 4 Interconnected systems with zone controllers 08.02.2007
4.4 Equipment combinations
4.4.1 Makeup of an interconnected system
Type S1
Type S2
Type S2
Type Z1
Type Z2
Type Z1
Type Z2
M-bus
M-bus
M-bus
LPB
LPB
5361Z20e
M-bus central unit
Situation A:
Individual controller
connected directly to
M-bus
Situation B:
Interconnected system
of controllers where
only the primary con-
troller is integrated in
the overriding man-
agement system
Situation C:
Interconnected system
of controllers where
both the primary con-
troller and the zone
controllers are inte-
grated in the overriding
management system
The following types of controllers are available:
Type Controller function Examples
S1 Individual district heating con-
troller with M-bus
 RVD23…
 RVD24…
 RVP97 via OCI97
S2 Primary controller for intercon-
nected systems (with own heat-
ing circuit and DHW heating)
 RVD23…
Z1 Zone controller in an intercon-
nected system with controller
type S2, no communication
with the control center via M-
bus
 RVL4… for mixing heating circuit, DHW
heating or local boiler control
 RVP3… for mixing heating circuit, DHW
heating or local boiler control
 RVD23… for one heating circuit and
DHW heating
 RVD24… for 2 heating circuits and DHW
heating
 RWI65… for ventilation circuit
Z2 Zone controller in an intercon-
nected system with controller
type S2, communication with
the control center via M-bus
 RVD23… for 1 heating circuit and DHW
heating
 RVD24… for 2 heating circuits and DHW
heating