7 Servicing
RCIM-(0.4-2.5)FSRE - 4-way cassette (compact)
SMGB0137 rev.0 - 05/2021
197
7
7.2.8  Removal of the drain mechanism
1  Remove the drain pan as indicated in chapter “7.2.7 Removal of the drain pan”.
2  Remove the lead wires of the drain pan mechanism, oat switch and outlet air thermistor gathered with vinyl tube and 
a clamping band.
3  Cut the plastic band and disconnect the drain hose from the drain mechanism.
4  Hold the drain mechanism and remove the 3 screws from the mechanism securing plate.
5  Remove the mechanism with the securing plate.
? NOTE
•  When installing, t the drain hose as far as possible in the pump.
•  After attaching  the  drain mechanism,  check  that  the  drain hose  does  not contact  the  xing  base  of the  drain  mechanism.  If  it 
contacts, adjust the position of the drain hose.
•  When reassembling, wrap up the lead wires for the drain mechanism, the oat switch, and the outlet air thermistor together with 
the vinyl tube, seal with lament tape and then tighten with the clamping. Fix the gathered wires with the plastic band attached to 
the xing base of the drain mechanism.
Plastic band
Drain Hose
Float switch
Float switch 
xing screw
Drain Mechanism 
xing screws (x3)
Drain Hose
Drain mechanism xing base
Plastic band
Drain Mechanism
Disconnect the drain 
hose from the drain 
mechanism
7.2.9  Removal of the oat switch
1  Remove the drain pan as indicated in chapter “7.2.7 
Removal of the drain pan”.
2  Remove the lead wires for the drain mechanism, the 
oat switch and the outlet air thermistor, as described in 
section “7.2.8 Removal of the drain mechanism”
? NOTE
The oat switch is attached to the drain pan.
3  Remove the 3 screws securing the drain mechanism to 
remove the mechanism.
4  Remove the xing plate for the oat switch by removing 
the xing screws.
5  Loosen the resin nut securing the oat switch and 
remove it.
? NOTE
•  When retting, make sure the hook is tted into the groove in 
the drain pan and screw into place.
•  The torque value of the resin nut is 0.3 - 0.4 Nm. If the torque 
value is higher, the nut will be damaged.
Drain Mechanism
Drain Mechanism 
xing screws (x3)
Float switch 
xing plate
Float 
switch
Float switch 
xing screw