Installation
14
STARTING HYDRAULIC CIRCUIT
23
25
33
18
20
26
28
32
1
4
3
2 19
19
26
27
31
30
7
29
5
5
17
17
10
9
13
14
8
24
11
12
6 16
22
A
A
15
19
NOTE
If only one return is required, always use the low temperature one.
1
Hydraulic backflow preventer
2
Y-shaped filter
3
Flow switch
4
Filling unit
5
Drain funnel with articulated elbow
pipe
6
Pressure gauge
7
Condensate neutraliser (see ICI
catalogue)
8
Control pocket
9
Pressure transducer
10
Pressure gauge tap
11
Thermometer probe
12
Safety thermostat probe
13
Setting thermostat probe no.1
14
Setting thermostat probe no.2
15
Fuel shut-off valve probe
16
Shock-absorbing pipe
17
Safety valve no.1 (no. 2 with thermal
power above 580 kW)
18
Fuel shut-off valve
19
Manual shut-off valve
20
Gas manual shut-off valve
21
Expansion vessel
22
Level probe glow plug (optional)
23
System flow
24
Probe holding sheaths inside the
boiler
25
Natural gas inlet
26
Low-temperature return
27
Water inlet for system refill or top up
28
Medium-temperature return
29
Boiler drain
30
Acid condensate outlet
31
Neutralised condensate outlet
32
Chimney fitting combustion flue gas
outlet
33
Air bleed valve
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz
