Pentair FLECK 3150 NXT Installer Manual page 140

Installer manual Fleck 3150 NXT/NXT2 - Maintenance
9.4.3 NXT to NXT2 controller upgrade
Mandatory
As NXT2 controller functions only with DC motors, in case of NXT to NXT2 controller
upgrade, the AC motor must be changed for a DC motor.
a) Using a flat screwdriver, unscrew (1) and open the cover (2).
b) Using a flat screwdriver, unscrew (5) and open the NXT controller (8).
c) Disconnect the AC motor (9).
d) Remove the pin (16), the O-ring (18) ant the NXT controller (8).
e) Remove the micro-switches (11), see Micro-switches replacement [}Page 145].
f) Using pliers, remove the retaining clip (3) and the circlip (6).
g) Remove the pin (4) and the plate (7).
h) Using pliers, remove the circlip (15) and the wheel (14).
i) Using a flat screwdriver unscrew (12).
j) Using a wrench, unscrew (13) and remove the AC motor (9).
k) Fit the DC motor (10) in place and using a screwdriver screw (12).
l) Using a wrench, screw (13).
m) Fit the wheel (14) in place and fix the circlip (15) using pliers.
n) Fit the plate (7) with the pin (4) in place.
o) Using pliers, fix the retaining clip (3) and the circlip (6).
p) Fit the micro-switches (11) in place, see Micro-switches replacement [}Page 145].
q) Using the pin (16) and the O-ring (18) fit the NXT2 controller holder (17) in place.
r) Connect the NXT2 controller (19), see NXT2 controller connections [}Page 54].
s) Clip the NXT2 controller (19) in the controller holder (17).
t) Close the NXT2 controller (19).
u) Close the cover (2) and using a flat screwdriver screw (1).
140 / 182 Ref. MKT-IM-010 / C - 18.10.2019