Information about the appliance
15
Greenstar FS/Combi FS – 6 720 810 590 (2020/04)
Key to figure 8 Heating boiler KBR..-3A:
[T] Top of control board
[1] Code plug
[2] System supply temperature sensor
[3] Diagnostic interface
[4] ON/OFF switch
[5] Fuse T 6.3 A (120 VAC)
[6] Ignition transformer
[7] Boiler high limit dial
[8] High voltage - Installer connection box
[9] External heating pump
[10] DHW tank primary pump or 3 way valve
[11] 120 VAC connection
[12] Empty (future connectivity)
[13] DHS Sen - Domestic Hot Water temperature sensor (NTC)
[14] LWCO - Low Water Cut Off
[15] Out Sen - Outdoor temperature sensor
[16] BUS - BUS connection to programmer
[17] Low voltage - Installer connection box
[18] Ignition electrode
[19] Boiler block temperature limiter
[20] Boiler circulator
[21] Flame rod electrode
[22] LLH/Supply temperature sensor
[23] Additional supply temperature limiter
[24] Fan
[25] Flue gas temperature limiter
[26] Gas valve
[27] DHW Set point Dial
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