Hamworthy MILBORNE 381 Series, Design Installation, Commissioning And Operating Instructions, Page: 36 / 72

HAMWORTHY HEATING LTD
32
MILBORNE 500001130/J
Figure 8.4.3 Example installation consisting of 7 boiler modules in same cascade sequence.
Block 1
1 2
ON
OFF
1 2 3 4
ON
OFF
Boiler module 1
1 2
ON
Block 1
1 2 3 4
ON
OFF
Boiler module 2
Block 1
1 2
ON
OFF
1 2 3 4
ON
OFF
Boiler module 3
1 2
ON
OFF
Boiler module 4
1 2 3 4
ON
OFF
Block 1
Block 2
1 2 3 4
OFF
2
ON
OFF
ON
Boiler module 1
1
Block 2
1 2 3 4
OFF
1 2
ON
OFF
ON
Boiler module 2
Block 2
1 2 3 4
OFF
1 2
ON
ON
Boiler module 3