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R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E
2 Schema idraulico_R2K_EN
2. MAINTENANCE
SUPPORT 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
1. FUMES SAFETY THERMOFUSE
2. INTEGRATED HEAT EXCHANGER
3. BURNER UNIT
4. ELECTRIC FAN
5. BY-PASS
6. AIR RELIEF VALVE
7. CIRCUL ATOR
8. SAFETY VALVE 3 bar
9. SYSTEM DRAINING TAP
10. GAS VALVE
11. DOMESTIC CIRCUIT PROBE
12. SAFETY THERMOSTAT
13. HEATING PROBE
14. EXPANSION TANK
15. AIR SUCTION TUBE
16. PROPORTIONAL VENTURI
17. CONDENSATE COLLECTION SIPHON
18. DIVERTER VALVE
19. FLOW SWITCH
20. WATER PRESSURE SWITCH
21. SYSTEM FILLING TAP
1
6
11
12
13
17
20
2
3
4
7
6
8
9
16
15
19
21
10
R
G
F
C
A
SC
14
18
5
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