System manager operating instructions
21
12
13
12
13
11
11
6.6 - DUAL-STAGE CASCADE PANEL BOARD code 37901 (with boilers in cascade)
Main switch
This switch connects and disconnects power to the boiler
n°2:
- With the switch at
0
, the boiler n°2 is not powered
electrically (green indicator light off).
- With the switch at
I
, the boiler n°2 is powered
electrically (green indicator light on) and is set up for
the production of hot water for heating.
Burner switch
This switch connects and disconnects power to the burner
of the boiler n°2:
- With the switch at
0
, the burner of the boiler n°2 is not
powered electrically.
- With the switch at
I
, the burner of the boiler n°2 is
powered electrically and is set up to run at request of
the heating controller.
°C
OK
1
2
1
2
>1s
+
°C
°C
°C
BUS ID
1/2/11/Mod
Run
2
1
31
42
11
41
12
13
32
11 Main switch with indicator light
12 Burner switch
13 System pump switch P1 (boiler n°2 in cascade primary ring)
31 Safety thermostat
32 Working thermostat
41 General fuse
V
I
V
I
V
I
O
V I
O
Summary of Contents for PANEL BOARD DUAL-STAGE CASCADE
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