2.1.1 ZWE 24/28-5 MFA/MFAE
2. Appliance layout and hydralic diagrams
2.1 Appliance layout
Fig. 1
3
Testing point (injector pressure)
4
Heatronic 3
6
Temperature limiter for heat exchanger
6.3
Temperature sensor for hot water
7
Testing point for gas supply pressure
8.1
Pressure gauge
15
Safety valve (CH system)
18
Central heating pump
18.1
Pump speed selector switch
20
Expansion vessel
27
Automatic air vent
29
Burner with injector manifold
32
Flame sensing electrode
33
Igniter electrodes
36
Temperature sensor in CH flow
38
System filling loop
43
CH flow
56
Gas valve
63
Adjusting nut for max. gas inlet flow volume
64
Adjusting screw for min. gas inlet flow volume
102
Inspection window
120
Fixing points
221.1
Flue duct
221.2
Combustion air intake
226
Fan
228
Differential pressure switch
295
Appliance type sticker
361.1
Drain tap
413
DHW flow meter (turbine)
418
Data plate
6 720 613 076-02.1O
221.2
18
18.1
27
32
29
228
120
8.1
361.1
418
7
226
64
63
33
221.1
102
43
38
4
20
3
56
6.3
36
6
15
413
295
6 720 660 238 (2008/07)
4
4
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Appliance Layout and Hydralic Diagrams
Содержание ZWC 18-3 MFK
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