Technical data

Vitorond 200, VD2A Technical Data

5354 787 - 01

Single-Boiler System: Vitorond 200, VD2A with Therm-Control (continued)

Boiler Control

Legend

A Heating circuit with mixing valves

B DHW tank

Plug

! Outdoor temperature sensor

(only for Vitotronic 200 HK1M/HK1B and

Vitotronic 300 GW2/GW2B)

?M2 Flow temperature sensor, mixing valve

(only for the Vitotronic 300 GW2/GW2B)

?M3 Flow temperature sensor, mixing valve

§ Boiler water temperature sensor

% DHW tank temperature sensor

(accessory for the Vitotronic 100 GC1/GC1B)

aJA Therm-Control temperature sensor

sÖM2 Heating circuit pump, mixing valve

(only for Vitotronic 300 GW2/GW2B)

Installation Example

sÖM3 Heating circuit pump, mixing valve

(only for Vitotronic 300 GW2/GW2B)

sÖA1 Closing the mixing valves with external heating

circuit control units

sA DHW primary pump

sK DHW circulation pump

(only for the Vitotronic 200 HK1M/HK1B and

Vitotronic 300 GW2/GW2B)

fA Burner (stage 1)

gSM2 Mixing valve motor (only for Vitotronic 300

GW2/GW2B)

gSM3 Mixing valve motor (only for Vitotronic 300

GW2/GW2B)

lÖ Burner (burner stage 2 / mod.)

Please refer to the control manuals Vitotronic

100 GC1/Vitocontrol-S or Vitotronic 100 GC1B/

Vitotronic 300-K