SATURNO
42
20 ELECTRONIC BOARD
Fig. 30 - Electrical board
LEGEND
Fig. 30
1
FUSE
14
EXTERNAL THERMOSTAT CONNECTION (TERMINAL BOARD)
2
BOARD PHASE
15
INTERNAL ROOM PROBE
3
BOARD NEUTRAL
16
PUFFER/BOILER PROBE CONNECTION (TERMINAL BOARD)
4
SMOKE EXTRACTION FAN
17
BOILER WATER TEMPERATURE PROBE
5
ROOM FAN
18
SMOKE EXTRACTION FAN RPM CONTROL
6
PELLET SAFETY THERMOSTAT
19
FLOW SWITCH (ONLY VERSIONS WITH EXCHANGER)
7
WATER THERMAL PROTECTOR
20
3-WAY VALVE PHASE (HEATING)
8
SPARK PLUG
21
3-WAY VALVE PHASE (DHW)
9
HYDRAULIC KIT WATER MANOSTAT
22
PUMP PHASE
10
AIR MANOSTAT
23
PUMP NEUTRAL
11
ADDITIONAL BOILER CONNECTION (TERMINAL BOARD)
24
3-WAY VALVE NEUTRAL
12
FEED SCREW
25
CONTROL BOARD
13
SMOKE PROBE
N.B. The wiring of the individual components is fitted with pre-wired connectors of different sizes.