Viessmann VITOCAL 300-A Installation And Service Instructions Manual page 44

Type awc-i-m, aw-o-m compact heat pump with electric drive, 230 v~
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Preparing for installation
System version 2
Pos.
Description
uE
Flow temperature sensor
uR
Temperature limiter for limiting the maximum temperature of underfloor
heating systems
uT
Heating circuit pump
uZ
Mixer motor
44
(cont.)

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