Viessmann AWB 201.B04, Инструкция по установке и обслуживанию

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Pos. Description
External heat source
q R High limit safety cut-out for switching off the secondary pump
t P External heat source, e.g. oil/gas boiler
t Q External heat source demand (connection to heat pump control unit)
t W Circulation pump for cylinder heating UPSB
t E Boiler water temperature sensor KTS (for connection to the heat pump
control unit):
■ As contact temperature sensor
or
■ As immersion temperature sensor
t R Mixer motor, directly controlled
t T High limit safety cut-out STB 70°C (for switching off the external heat
source)
z P Heating water buffer cylinder
z Q Buffer temperature sensor PTS
z W System flow temperature sensor
Heating circuit with mixer M2 (KM BUS)
u P Underfloor heating circuit
u Q Vitotrol 200A remote control
u E Flow temperature sensor
u R Temperature limiter to limit the maximum temperature of underfloor heating
systems
■ As immersion thermostat
or
■ As contact thermostat
u Z Heating circuit pump
u U 3-way mixer, heating circuit
Mixer motor of 3-way mixer
q - T Mixer extension kit
Heating circuit without mixer A1
o P Radiator heating circuit
o Q Vitotrol 200A remote control
o Z Heating circuit pump
Electrical installation scheme
For an overview of the electrical connec-
tions and more information on the PCBs,
see from page 45 and the separate
service instructions for the heat pump
control unit. For information regarding the power sup-
ply, see page 60.
Preparing for installation
System example 1, ID: 4605169_1103_04
(cont.)
5604 692 GB