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R1K 50 - RAD - ING - Manuale - 1801.1_SK.3
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2. MAINTENANCE
SUPPOR
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2.2.6. HYDRAULIC BOARD
KEY
R. HEATING RETURN
G. GAS INLET
SC. CONDENSATE DRAIN
A. HEATING FORWARD
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. HEATING PROBE
11. SAFETY
THERMOSTAT
12. AIR SUCTION TUBE
13. PROPORTIONAL VENTURI
14. CONDENSATE COLLECTION SIPHON
15. WATER PRESSURE SWITCH
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