Figure 21 Position Of Fixing Screws Of Connection Box, Thermostat Sensor And Heating Cartridge Carrier Plate; Figure 22 Dismounted Electrical Connection Box With Heating Cartridge And Thermostat Sensor - M&C SP Series Instruction Manual

 Unscrew the two hexagon head cap screws A (figure 21) in the back board of the connection box with which
this one is mounted to the retaining plate.
Hexagon screws B
Cable gland C
Figure 21 Position of fixing screws of connection box, thermostat sensor and heating cartridge carrier plate
 Unscrew the hexagon head cap screws B (figure 21) for the fastening of the heating cartridge retaining plate
and the thermostat sensor retaining plate.
 Remove the connection box including the heater cartridge and the thermostat sensor.
Figure 22 Dismounted electrical connection box with heating cartridge and thermostat sensor
 Loosen the cable gland C (figure 21) for the heating cartridge and the capillary tubes of the thermostat.
 Disconnect the electrical connection lines of the heating cartridge and the termostat from the terminal block
(figure 9).
 Take off the turning knob from the thermostat. Remove the 2 locking screws D (figure 23) beneath. Take off the
locking screws E (figure 23) of the thermostat retaining plate.
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Hexagon screws A
SP2000, SP2300, SP2400 | 1.00.03 43