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Cont ...
SECTION 4 - REED SWITCH REPLACEMENT
The parts required to replace the reed switch are:
ITEM
QTY
ITEM
QTY
13
Reed Switch Tie Wrap
1
21
Reed Switch
1
18
Strain Relief Bush
1
22
Screws
(K40 x 16 mm)
4
•
WIRING DIAGRAMS
Fig. Pump
UK Eire
19
Flomate, MBF 12
ü
ü
•
DISASSEMBLY
•
Isolate electrical supply before fitting replacement part.
•
Replacing the reed switch components should only be carried out by a
competent person.
•
The supply cord and internal wiring within the terminal box are routed
and secured to ensure compliance with the electrical standard
EN 60335-1. It is essential that prior to any disturbance of this internal
wiring, all cable routing and securing details are carefully noted to
ensure reassembly to the same factory pattern is always maintained.
•
Remove four screws and carefully remove terminal box lid (item 22).
•
Note the cable routing within the terminal box (Fig. 19).
•
Slacken the two screws retaining the reed switch wires on the PCB.
•
Remove the strain relief bush and reed switch cable by gripping with pliers (Fig. 20) and
pulling downwards from the terminal box.
•
Remove the existing reed switch by cutting the securing tie wrap and pulling away from
the flow switch body (Fig. 20)
Fig. 19
MAIN WINDING
THERMOTRIP
CAPACITOR
START WINDING
FLOWSWITCH
REED (S3)
(BLUE
)
BROWN
BLA
CK
GREEN/YELLOW
BLUE
BROWN
L
M
N
N
S3 S3
L
E
N
BLUE
LIN
K WI
RE
MAIN WINDING
THERMOTRIP
CAPACITOR
START WINDING
BLU
E
BROWN
BL
ACK
RE
D
GREEN/YELLOW
BLUE
BROWN
L
E
N
FLOWSWITCH
REED (S3)
230 VAC/1PH/50Hz
SUPPLY
230 VAC/1PH/50Hz
SUPPLY
M
N
N
S3 S3
L
Wiring Diagram Pre-June 2016
Wiring Diagram After June 2016
S3
N
Reed Switch
S3
18