Mitsubishi Electric JT-S1AP-W-NA Handbook page 18

(5) Terminal block (with the thermal fuse)
1 Remove the front panel .→ See (2) 1 and 2.
2 Remove the circuit board cover .→ See (4) 1 and 2.
3 Disconnect the power leads (TAB1 and TAB2) from the power circuit
board. → See (4) 3.
4 Unscrew the terminal block clamping screws.
(Two PPT screws 4 x 20, indicated by )
Tightening torque:
1.2 ± 0.1 N . m
5 Remove the terminal block (with the thermal fuse).
Assembly precaution
When running the lead wire through the groove of the terminal
block (TB) holder, set the thermal fuse in the center of the groove.
(Indicated by )
(6) Heater (PTC) (with the thermal fuse)
1 Remove the front panel .→ See (2) 1 and 2.
2 Disconnect the white lead connector (CN202) from the control circuit
board. → See (2) 4.
3 Disconnect the heater lead connector (CN101) from the power circuit
board. → See (4) 2 and 3.
4 Unscrew the nozzle clamping screws.
(Four PTT screws 4 x 14, indicated by )
Precaution
When removing the screws, pay attention not to drop the sensor fix
plate.
Assembly precaution
Tighten the screws in a crisscross pattern.
Tightening torque:
1.0 ± 0.1 N . m
5 Remove the heater (PTC) with the heater fittings.
Assembly precautions
• Run the lead wires through the grooves of the blower cover.
(Indicated by )
• Take care not to pinch the lead wires.
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Terminal block
TB holder
Nozzle
Sensor fix plate
Heater fitting
Heater (PTC)