113
17 - MAINTENANCE
Legend to electrical schemes:
6 - High limit supply temperature switch
7 - Supply temperature sensor
9 - Flue gas temperature sensor
10 - High limit flue gas temperature fuse
11 - Control board
Fuse - F1 5x20 3A
13 - Ignition electrodes
14 - Spark generator
15 - Return temperature sensor
16 - Modulating PWM fan
17 - Back flue preventer switch (Flapper valve switch)
19 - Water pressure sensor
20 - Gas valve
22 - Detection electrode
28 - Blocked flue pressure switch
29 - Condensate blocked drain switch
32 - Main electrical switch
34 - Display
35 - IF 885 board (Optional)
Fuse - F1 5x20 3A
41 - CH pump relay
42 - DHW pump relay
47 - Water Flow meter
48 - Motorized valve (N/A)
49 - Local pump relay
50 - Primary heat exchanger temperature fuse
51 - Connection board
Fuse - F1 5x20 10A
Fuse - F2 5x20 10A
Fuse - F3 5x20 3A
Fuse - F4 5x20 3A
Fuse - F6 5x20 3A
53 - Electronic anode
RGPR - CH pump relay (N/A)
RGPS - DHW pump relay (N/A)
RPP1 - Local pump relay of Burner 1 (Master)
RPP2 - Local pump relay of Burner 2
RPP3 - Local pump relay of Burner 3 (N/A)
RPP4 - Local pump relay of Burner 4 (N/A)
N/A = Not Applicable
Содержание Esteem 399
Страница 3: ...3 SAFETY INSTRUCTIONS ...
Страница 5: ...5 SAFETY INSTRUCTIONS ...
Страница 112: ...112 17 MAINTENANCE ...
Страница 116: ...116 19 SPARE PARTS Spare parts ...
Страница 135: ......