Install Instructions

Table Of Contents

30 | Common Applications of ZBR boilers

Greenstar6 720 806 992 (2013/09)

5.2 Multiple zones using circulators with DHW

Fig. 11 Piping

[1] To heating zone 2

[2] Pump heating zone 2

[3] To heating zone 1

[4] Pump heating zone 1

[5] To indirect tank

[6] DHW pump

[7] External system supply temperature sensor for system

supplypipe (to be installed in closest vicinity with boiler supply

Tee)

[8] Boiler primary line - supply pipe 1"

[9] Heating boiler ZBR..-3A... with FW 200 installed on front

[10] Boiler primary line - return pipe 1"

[11] From indirect tank

[12] From heating zone 1

[13] From heating zone 2

[14] Expansion vessel

X 4 × pipe diameters on boiler primery side (here 4 × 1")

1211 13

6 720 806 992-05.1O

4 6