Viessmann VITOCAL 300-A Installation And Service Instructions Manual page 39

System version 1
Pos. Description
DHW heating with DHW cylinder
eP
DHW cylinder
eQ
Cylinder temperature sensor
eW
DHW circulation pump ("Wtimer DHW Circ.")
DHW heating with cylinder primary system
eP
Cylinder
eQ
Cylinder temperature sensor
eW
DHW circulation pump ("Wtimer DHW Circ.")
eE
Motorised two-way valve
eR
Flow rate limiter
eT
Plate-type heat exchanger
eZ
Cylinder primary pump
Heating circuit without mixer (A1)
zP
Underfloor heating circuit
zQ
Vitotrol 200 remote control
zW
Overflow valve
zR
Temperature limiter for limiting the maximum temperature of underfloor
heating systems
(cont.)
Preparing for installation
39