Bosch ZBR16-3A Series - 5 Common Applications of ZBR Boilers; Multiple Zones Using Zone Valves with DHW

28 | Common Applications of ZBR boilers
Greenstar6 720 806 992 (2015/03)
5 Common Applications of ZBR boilers
5.1 Multiple zones using zone valves with DHW
Fig. 9 Piping
[1] To heating zone 2
[2] Motorized valve heating zone 2
[3] To heating zone 1
[4] Motorized valve heating zone 1
[5] System pump
[6] DHW pump
[7] To indirect tank
[8] External system supply temperature sensor for system supply
pipe (to be installed in closest vicinity with boiler supply Tee)
[9] Boiler primary line - supply pipe 1"
[10] Heating boiler ZBR..-3A... with FW 200 installed on front
[11] Boiler primary line - return pipe 1"
[12] From indirect tank
[13] From heating zone 1
[14] From heating zone 2
[15] Expansion vessel
X 4 × pipe diameters on boiler primery side (here 4 × 1")
MM
ϑ
1
3
7
5
6
X
8
9
1312 14
6 720 806 992-03.1O
11
2
4
10
15