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R1KR 28 - RAD - ING - Manual - 1807.1_SK.2_MIAB3013_R7_PDX
2 S
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CR 2
4
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2. MAINTENANCE
SUPPOR
T
C
ENTRE
2.2.10. HYDRAULIC BOARD
KEY
R. HEATING RETURN
C. DOMESTIC HOT WATER OUTLET
SC. CONDENSATE DRAIN
F. COLD WATER INLET
A. HEATING FORWARD
1. FUMES SAFETY THERMOFUSE
2. HEAT
EXCHANGER
3. BURNER
UNIT
4. ELECTRIC
FAN
5. DHW PLATES EXCHANGER
6. BY-PASS
7. DIVERTER
VALVE
8. DOMESTIC CIRCUIT PROBE
9. FLOW
SWITCH
10. AIR RELIEF VALVE
11. SAFETY
THERMOSTAT
12. HEATING PROBE
13. AIR SUCTION TUBE
14. PROPORTIONAL VENTURI
15. CONDENSATE COLLECTION SIPHON
16. CIRCULATOR
17. EXPANSION TANK
18. WATER PRESSURE SWITCH
19. WATER PRESSURE GAUGE
20. SAFETY VALVE 3 bar
21. SYSTEM DRAINING TAP
22. SYSTEM FILLING TAP
23. NO-RETURN VALVE
R
F
A
1
2
3
4
7
8
9
10
13
14
15
16
18
sc
C
6
17
19
20
21
22
23
11
12
5
10