14
Pos.
Description
External heat source
qR
High limit safety cut-out for switching off the secondary pump
tP
External heat source, e.g. oil/gas boiler
tQ
Demand of external heat source (connection to heat pump control unit)
tW
Circulation pump for cylinder heating UPSB
tE
Boiler water temperature sensor KTS (for connection to the heat pump
control unit):
■ As contact temperature sensor
or
■ As immersion temperature sensor
tR
Mixer motor, directly controlled
tT
High limit safety cut-out STB 70 °C (to switch off the external heat
source)
zP
Heating water buffer cylinder
zQ
Buffer temperature sensor PTS
zW
System flow temperature sensor
Heating circuit with mixer M2 (KM BUS)
uP
Underfloor heating circuit
uQ
Vitotrol 200A remote control
uE
Flow temperature sensor
uR
Temperature limiter to limit the maximum temperature of underfloor heating
systems
■ As immersion thermostat
or
■ As contact thermostat
uZ
Heating circuit pump
uU
3-way mixer, heating circuit
Mixer motor in 3-way mixer
q-T
Mixer extension kit
Heating circuit without mixer A1
oP
Radiator heating circuit
oQ
Vitotrol 200A remote control
oZ
Heating circuit pump
Electrical installation scheme
For an overview of the electrical connec-
tions and more information on the PCBs,
see from page 39 and the separate
service instructions for the heat pump
control unit.
For information regarding the power sup-
ply, see page 54.
Preparing for installation
System example 1, ID: 4605169_1103_04
(cont.)
5601 429 GB
Содержание 7424689
Страница 83: ...83 Opening the programming unit 1 3 2 2x Troubleshooting Repairs 5601 429 GB Service ...
Страница 84: ...84 Removing cover from programming unit if necessary 5 4 4x Troubleshooting Repairs cont 5601 429 GB ...
Страница 85: ...85 Placing the control panel in its service position 4x 2 3 1 Troubleshooting Repairs cont 5601 429 GB Service ...
Страница 86: ...86 Removing the separating plate 1 2 Troubleshooting Repairs cont 5601 429 GB ...