Viessmann AWS 104, Installation And Service Instructions For Contractors

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18
Pos. Description
3 Outside temperature sensor
4 Instantaneous heating water heater with control module
5 3-way diverter valve "Heating/DHW"
6 Secondary pump
8 KM BUS distributor
Primary circuit
wO External unit of the heat pump
DHW heating
eP DHW cylinder
eQ Cylinder temperature sensor, top
eW Cylinder temperature sensor, bottom
eU DHW circulation pump
External heat source
qR High limit safety cut-out for switching off the secondary pump (on-site)
tP External heat source, e.g. oil boiler
tQ External heat source demand (connection to external heat source)
tW Circulation pump for cylinder reheating
tE Boiler water temperature sensor (connection to heat pump control unit)
tR Directly controlled mixer motor
tT
High limit safety cut-out 70 °C for shutting down the external heat source
(on site)
Heating water buffer cylinder
zP Heating water buffer cylinder
zQ Buffer cylinder temperature sensor
zW System flow temperature sensor
Heating circuit with mixer (M2)
uP Underfloor heating circuit with extension kit for one heating circuit with
mixer
uQ Vitotrol 200A remote control
uE Flow temperature sensor
uR Temperature limiter as maximum limiter for underfloor heating systems
uZ Heating circuit pump
uU Mixer motor - 3-way mixer
q¢T Extension kit for one heating circuit with mixer
Cooling on heating circuit M2 (on-site) with active cooling (AC) func-
tion
iE Contact humidistat
iO 3-way diverter valve "Heating/cooling"
Preparing for installation
System example 2, ID: 4605170_1005_01
(cont.)
5724 152 GB