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Further details regarding the individual steps
System version 4
One heating circuit without mixer A1, one heating circuit with mixer M2
and system separation
!
Outside temperature sensor
? M2 Flow temperature sensor
sÖ M2 Heating circuit pump
A
High limit thermostat (under-
floor heating)
Required coding
Operation with LPG
Commissioning, inspection, maintenance
(cont.)
B
Extension kit for a heating cir-
cuit with mixer
C
Heat exchanger for system
separation
1E:1
31
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