Honeywell SDC Service Manual page 225

SDC / DHC
7.3.11.2.6
7.3.11.2.7
7.3.11.2.8
Example 1
EN2H-0221GE51 R0812
Room temperature transmission
The wall devices send their current room temperature to the
assigned heating circuit at regular intervals.
Fault messages/Status indications
Fault messages and status indications are sent from the central
device to the associated wall units and displayed there.
Examples with multiple control devices
Heating system with a two-stage heat generator, industrial water
production and four mixed heating circuits. The following diagram
shows the hydraulics of this system.
a Boiler
Hydraulic Components
b Hot-water tank
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