50
R1K 34 /B - RAD - ING - Manuale - 1512.2_CSA_TTS
2. MAINTENANCE
SUPPOR
T CENTER
2.2.10. INTERNAL PIPING
SCHEMATIC
KEY
R. CENTRAL HEATING RETURN
C. DOMESTIC HOT WATER OUTLET
G. GAS INLET
SC. CONDENSATE DRAIN
F. COLD WATER INLET
A. CENTRAL HEATING SUPPLY
1. EXHAUST SAFETY THERMOFUSE
2. HEAT EXCHANGER
3. BURNER UNIT
4. COMBUSTION BLOWER
5. GAS VALVE
6. AIR ELIMINATOR
7. CIRCULATOR
8. PRESSURE RELEIF VALVE 30 psi (2 bar)
9. SYSTEM DRAINING TAP
10. PRESSURE RELEIF VALVE 150 psi (10.3 bar)
11. DOMESTIC TEMPERATURE PROBE
12. INDIRECT TANK
13. CENTRAL HEATING TEMPERATURE PROBE
14. WATER TEMPERATURE HIGH LIMIT SWITCH
15. THERMAL EXPANSION TANK
16. AIR SUCTION TUBE
17. PROPORTIONAL VENTURI
18. WATER PRESSURE TRANSDUCER
19. CONDENSATE COLLECTION SIPHON
20. BY-PASS
21. DIVERTER VALVE
22. SYSTEM FILLING TAP
23. THERMAL EXPANSION TANK D.H.W.
24. CHECK VALVE
R
F
RB
A
10
11
12
AB
C
F
23
G
1
2
3
4
6
7
9
8
6
13
14
15
16
17
18
20
21
22
sc
5
19
24
MAINTENANCE
fig. 35
Summary of Contents for R1K 34
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