Viessmann Vitocal 300-G Installation And Service Instructions Manual page 46

Preparing for installation
System version 3 (type BW/WW)
Pos. Description
iE Heating circuit pump A1 (max. 100 W)
Heating circuit with mixer (M3)
oP Radiator heating circuit M3
oQ Vitotrol 200 remote control for heating circuit M3; for connection of se-
parate room temperature sensor, see Vitotrol installation instructions;
observe DIP switch
oW Overflow valve, heating circuit M3
oE Temperature limiter as maximum limiter for underfloor heating systems
oR Flow temperature sensor heating circuit M3
oT Extension set for heating circuit with mixer (heating circuit M3); observe
separate installation instructions
oZ Heating circuit pump M3
oU Three-way mixer, heating circuit M3
Swimming pool
q¢P Swimming pool
q¢Q Swimming pool thermostat (zero volt N/O, accessory)
q¢W Circulation pump for swimming pool water heating (don't connect a fil-
ter pump)
q¢E Plate-type heat exchanger
q¢R Three-way diverter valve "swimming pool"
q¢T External extension H1 (see separate installation instructions).
46
(cont.)