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R2KA 34 /20 - 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. INTEGRATED HEAT EXCHANGER
3. BURNER UNIT
4. IONIZATION ELECTRODE
5. COMBUSTION BLOWER
6. CONDENSATE COLLECTION SIPHON
7. PRESSURE RELIEF VALVE
8. CIRCULATOR
9. ANODE
10. AIR ELIMINATOR
11. WATER TEMPERATURE HIGH LIMIT SWITCH
12. CENTRAL HEATING TEMPERATURE PROBE
13. SPARK ELECTRODE
14. AIR SUCTION TUBE
15. INDIRECT TANK
16. IGNITION TRANSFORMER
17. AIR PRESSURE SWITCH
18. PROPORTIONAL VENTURI
19. GAS VALVE
20. BY-PASS
21. TANK DRAINING TAP
22. WATER PRESSURE SWITCH
23. DIVERTER VALVE
24. FLOW SWITCH
25. CHECK VALVE
26. FLOW LIMITER
27. THERMAL EXPANSION TANK
1
2
3
4
5
7
8
10
11
12
15
19
18
22
26
9
10
7
14
21
23
24
6
16
17
20
25
27
17
13
MAINTENANCE
fig. 32