CMI 1 CMI 2 CD
35
48
6
CASCADE AND ZONE REGULATOR
6.1 CASCADE INSTALLATION DIAGRAM
Key:
1 - Generator
2 - Flue circuit ue adjusting appliance
3 - Stub pipe drain trap
4 - ree-way draining valve
5 - Non return valve
6 - System interception cock
7 - Manifold/mixer
8 - Common ow probe
9 - Slurry collection system lter
10 - Zone 1 mixing valve (CMI-1)
11 - Zone 2 mixing valve (CMI-2)
12 - Zone 1 temperature probe (CMI-1)
13 - Zone 2 temperature probe (CMI-2)
14 - Zone 3 direct circuit pump (CD)
15 - Zone 1 central heating circuit pump (CMI-1)
16 - Zone 2 central heating circuit pump (CMI-2)
17 - Zone 1 safety thermostat (CMI-1)
18 - Zone 2 safety thermostat (CMI-2)
19 - Room thermostat
20 - Cascade and zone regulator
21 - External probe
22 - Storage tank unit feeding pump
23 - External storage tank unit
24 - Storage tank unit temperature probe
CM1 - Mixed circuit zone 1
CM2 - Mixed circuit zone 2
CM - Direct circuit 3
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