Bpt TH 400 - Wiring Diagrams and Key; Setting the Clock; Accessing Clock Setting Mode

10
GB
T3
T2
T1
ON
048121620
R
T
12
3
4
56
7
Fig. 17
T3
T2
T1
ON
048121620
R
T
12
3
4
56
7
Fig. 16
NC NA C
NC
NA
C
TH/400
L
N
U1
Fig. 15A
LOAD
NC NA C
NC
NA
C
TH/400
U2
L
N
M
Fig. 15B
OPEN
CLOSED
being controlled by the thermostat;
refer, therefore, to the diagram in
figure 15A or 15B.
KEY
Mains power supply conductors
N = neutral
L = live
Relay conductors
C = common
NA = normally-open contact
NC = normally-closed contact
Loads
U1 = burner, water-circulating
pump, solenoid valve, etc.
LOAD
U2 = motor-driven valve
3 - SETTING
THE CLOCK
3.1 - Open the front panel on the
thermostat.
3.2 - Press button , figure 16.
The minute digits flash.
ON
T3
T2
T1
ON
048121620
12
3
4
567
Fig. 14
TH/400.01 ITF 2407-9122 04.06 3-05-2006 15:56 Pagina 10