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Installation
36 Instruction manual BFC
3
is
3.10.5 Connecting a program-controlled pump
Note
The maximum power capacity for a pump regulated by the controller
is 100W.
1. Connect neutral (N), live (L) and earth ( ) to terminals 13, 14 and 15 as
indicated in the table (3.10.2 "Preparation").
2. Fit the cable in the strain relief.
3. If you have no more connections to make:
- Fit the cover on the terminal block.
- Fit the covers onto the water heater.
3.10.6 Connecting an extra ON mode switch
External ON/OFF is an option for connecting an external ON/OFF switch. In
the OFF position, the programmed operating mode is active. In the ON
position, the programmed operating mode is overruled, and "ON mode" is
active.
1. Connect leads (X
3
and X
4
) to terminals 21 and 22 according to the
table (3.10.2 "Preparation").
2. Fit the cable in the strain relief.
3. If you have no more connections to make:
- Fit the cover on the terminal block.
- Fit the covers onto the water heater.
3.10.7 Connect additional error signal
The appliance has a relay terminal that is switched when an error is detected.
This can be used to signal errors, for example with a bulb. A 230V circuit can
be powered directly. Other voltages require a relay prescribed by the
manufacturer.
1. Connect the phase cables (X
1
and X
2
) to points 10 and 11 according to the
table (3.10.2 "Preparation"). If required, connect earth ( ) to terminal 12.
2. Fit the cable in the strain relief.
3. If you have no more connections to make:
- Fit the cover on the terminal block.
- Fit the covers onto the water heater.
3.11 Check the supply
pressure, gas
control valve
pressure, CO
2
value
and switching
pressure
Note
Before starting to use the appliance and/or checking the supply pressure
and/or the CO
2
value and/or the switching pressure, you should first
fill (5 "Filling") the appliance.
Caution
When starting up for the first time or after conversion, you must always
check the supply pressure, the gas control valve pressure, the CO
2
value and
the switching pressure.
Note
A CO
2
meter and a pressure gauge must be available for checking the
supply pressure, gas control valve pressure, CO
2
value and switching pressure.
36


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