Heat Controller MSS-012B/A manual To remove the Grille from the Chassis, To remove the Control Box

(2) 18k, 24k Models(Cooling Only, Cooling & Heating)

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GrilleChassis

Hazardous voltage can cause ELECTRIC SHOCK or DEATH. Turn off circuit breaker before you start checking or servicing.

1.To remove the Grille from the Chassis

"Set the up-and-down air discharge lower to open position (horizontally) by finger pressure.

"Remove the securing screws at the bottom of grille.

"To remove the Grille, pull the lower left and right side of the grille toward you (Slightly tilted) and lift it straight upward.

Screw (3places)

2.To remove the Control Box

"Remove the thermisters. One from thermistor holder on evaporator, the other from pipe holder.

"Remove step motor connector from main P. C. B.

"If necessary, disconnect DC power supply cord from pillar terminal, and remove the clip screw. (Be careful not to lose the clip when reassem- bling)

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