Buderus Logamatic 4321, Руководство по эксплуатации

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Modules and their functions 9
Logamatic 4321/4322 - Technical specifications are subject to change without prior notice. 67
9.2 FM441 function module (accessory)
The FM441 module controls one heating zone and one
DHW consumer.
The manual switches on the module are only provided
for service and maintenance functions.
If the manual switches are not set to automatic, a
corresponding message appears on the MEC2 remote
control and the fault indicator
lights up.
Fig. 22 FM441 function module
1 Heating zone
2 DHW
1
2
Display General fault,
e.g. on-site fault, sensor fault,
external faults, wiring fault,
internal module fault,
manual mode.
The fault messages appear
as plain text on the
MEC2 remote control.
LEDs for the functions
Display "Mixing valve opening" (hotter)
Display "Mixing valve closing" (colder)
Display Heating zone in summer mode
Display DHW in night mode below the set
temperature
Display Heating pump in operation
Display - L Tank primary pump in operation
Display - Z Recirculation pump in operation
Display Thermal disinfection active
USER NOTE
Do not use the manual switches to shut off
the installation for temporary absence.
Use the vacation function for this purpose
(
Æ
Chapter 7.16).