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MiniMaster
7. Electrical installation
The electrical installation must always be carried out by a qualified electrician.
The pipe installation must be complete before the electrical installation begins.
It is recommended that a power switch is fitted before the unit in permanent installations. Interlocked supply voltage from
circulation pump. Connect the power supply cable and any dosing module in accordance with the diagram below.
The multi-pole contacts connected to the circuited board can be removed to allow access to screw terminals for each cable
connection.
Display panel
Red
Black
GND
Red
Black
Connection of flow
signal between circuit
boards (416620 only).
The control unit cover can easily be hooked permanently in the open position in order to facilitate installation work.
Undo the cover's four screws. NB Make sure that the ribbon cable from the circuit board to the cover does not become crushed.
Hook the cover securely as shown in the diagram below.
Fig. 5.
BNC
AC IN
Main connection of power to unit.
Relay connection
Connection of dosing module, 230VAC,
NOT potential-free.
R+: Phase (for dosing of chlorine and pH
augmenting agent)
Dosing pump
R-: Phase (for dosing of pH reducing agent)
1~230V AC
RN: Zero/Neutral (Common for dosing)
OC+/OC-:
Transistor "open collector" output for dosing
module, 5V.
pH/Chlorine:
Salt chorinator
Contact for connection of electrode.
GND:
Connection of earthing sleeve
(Chlorine measurement only).
13
ENGLISH
Carefully hook the cover
securely to the edge of the
circuit board.
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