Installation, Operation, and Maintenance

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Installation, Operation, and Maintenance C-Series Cassette Indoor Units Models: 4MUC4518A10N0A, 4MUC4524A10NA, 4MUC4530A10N0A, 4MUC4536A10N0A, 4MUC4542A10N0A, 4MUC4548A10N0A. SAFETY WARNING. Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury.

9. Adjust the level of the unit with a leveler. Purging the Unit. The unit is shipped from the factory with a holdin g charge of nitrogen. All of this gas must be purged from the unit. To purge the unit, unscrew the pinch pipes from the ends of both gas and liquid refrigerant pipes. Make sure all gas has escaped before connecting the piping.

  Maintenance, Levels