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R1C 24 /B - RAD - ING - Manuale - 2007.1_SK.3_MIAB3013_R7_VK42_B3
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2. MAINTENANCE
SUPPOR
T
CENTRE
2.2.10. HYDRAULIC BOARD
KEY
R. HEATING RETURN
C. DOMESTIC HOT WATER OUTLET
G. GAS INLET
SC. CONDENSATE DRAIN
F. COLD WATER INLET
A. HEATING FORWARD
RB. REMOTE D.H.W. CYLINDER RETURN
AB. REMOTE D.H.W. CYLINDER FLOW
1. FUMES SAFETY THERMOFUSE
2. HEAT
EXCHANGER
3. BURNER
UNIT
4. ELECTRIC
FAN
5. GAS
VALVE
6. AIR RELIEF VALVE
7. CIRCULATOR
8. SAFETY VALVE 3 bar
9. SYSTEM DRAINING TAP
10. SAFETY VALVE 8 bar
11. DOMESTIC CIRCUIT PROBE
12. CYLINDER
13. SAFETY THERMOSTAT
14. HEATING PROBE
15. EXPANSION TANK
16. DOMESTIC CIRCUIT EXPANSION TANK
17. PROPORTIONAL VENTURI
18. WATER PRESSURE SWITCH
19. CONDENSATE COLLECTION SIPHON
20. BY-PASS
21. DIVERTER VALVE
22. SYSTEM FILLING TAP
R
F
RB
10
11
12
AB
C
F
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2
3
4
6
7
8
9
6
13
14
15
17
sc
5
A
19
18
21
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