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Cascade via communication
Systems in which more than one heat pump is controlled via the communications port
require both additional HPM(2) controllers as well as the proper adapter cable for the
additional second and third heat pumps. The HPM controllers must be connected via
an Ethernet/LAN switch (see figure, below). When loading the appropriate system
diagrams, the functions will be automatically adapted in each controller and fixed IP-
addresses will be issued.
Fig. 2.20: cascade system with communication via BUS
HPM1 master controller HP1
HPM2 slave controller HP2
HPM2 slave controller HP3
Table 2.1: Diagram / IP address in cascade system
As the IP-address will be changed in the slave controllers, loading of the system
diagram should take place before the controller is connected to the LAN switch.
System diagram
IP after loading the diagram
6xxxx = 2WP
192.168.178.11 (as default setting)
7xxxx = 3WP
80000
192.168.178.12
90000
192.168.178.13
25
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