
55
R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA
2. MAINTENANCE
SUPPOR
T CENTER
2.2.9. TECHNICAL ASSEMBLYTECHNICAL ASSEMBLY
KEY
1. EXHAUST SAFETY HIGH LIMIT SWITCH
2. HEAT EXCHANGER
3. BURNER UNIT
4. IONIZATION ELECTRODE
5. COMBUSTION BLOWER
6. CONDENSATE COLLECTION SIPHON
7. CIRCULATOR
8. GAS VALVE
9. SYSTEM DRAINING TAP
10. AIR ELIMINATOR
11. WATER TEMPERATURE HIGH LIMIT SWITCH
12. CENTRAL HEATING TEMPERATURE PROBE
13. AIR PRESSURE SWITCHES
14. SPARK ELECTRODE
15. IGNITION TRANSFORMER
16. D.H.W. EXCHANGER
17. AIR SUCTION TUBE
18. PROPORTIONAL VENTURI
19. BY-PASS
20. WATER PRESSURE SWITCH
21. DIVERTER VALVE
22. CHECK VALVE
23. SYSTEM FILLING TAP
1
2
3
4
5
7
8
9
10
11
12
13
14
15
17
16
18
19
21
20
22
23
13
6
MAINTENANCE
fig. 34