1-30
20 - IE
INSTALLERUSER
MAINTENANCE TECHNICIAN
1.25 INSTALLATION EXAMPLES OF BOILER IN CASCADE.
Key:
1 - Generator
2 - Cascade and zone regulator
3 - Zone manager
4 - Modulating room thermostat
5 - External probe
6 - Zone 1 temperature probe (CMI-1)
7 - Zone 2 temperature probe (CMI-2)
8 - Common ow probe
9 - Storage tank unit temperature probe
10 - Zone 1 mixing valve (CMI-1)
11 - Zone 2 mixing valve (CMI-2)
12 - Zone 1 central heating circuit pump (CMI-1)
13 - Zone 2 central heating circuit pump (CMI-2)
14 - Zone 3 direct circuit pump (CD)
15 - Storage tank unit feeding pump
16 - Zone 1 safety thermostat (CMI-1)
17 - Zone 2 safety thermostat (CMI-2)
19 - Fuel shut-o valve bulb
20 - Manometer-holder cock
21 - ermometer
22 - Manual rearm pressure switch
23 - Manual rearm thermostat
24 - Attachment for expansion vessel
25 - Expansion vessel
26 - Collector/mixer
27 - External storage tank unit
28 - Fuel shut-o valve
29 - Non return valve
30 - Slurry collection system lter
31 - ermometer pocket
32 - Flue circuit ue adjusting device
33 - Stub pipe drain trap
34 - System cut-o valve
35 - ree-way draining valve
36 - Damper coil
37 - Manometer
38 - Connection for minimum pressure switch
ZONE 1
ZONE 2
ZONE 3
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