Installation manual

Controls

• LED indicator for operating status (each indoor unit

or indoor unit group)

• Group selection button (1 or 2)

• Control a group of up to 16 indoor units or indoor

unit groups

• On/Off control (individually, by group, all)

• Temperature control (°F or °C)

• Instantaneous room temperature display

• Setpoint control (individually, by group, all)

• Cooling range 64-86 °F

• Heating range 60-86 °F

• Operation mode control (individually, by group, all)

• Ventilation mode control (individual, by group, all)

1: Availability depends on the indoor unit model being controlled.

AC Ez

(PQCSZ250S0)

• Fan speed control (individually, by group, all)

• Discharge vanes – Auto Swing/Fixed

• Clock

• 8 programmable schedules with mode and

setpoint control

• Holiday schedule override

• Remote controller lock (individually, by group, all)

• Error code display during unit or system

malfunction

• Power failure compensation (2 hours maximum)

• Up to 16 AC Ez controllers and 256 indoor units

The AC Ez controller provides a centralized point where up to 32 indoor units or

indoor unit groups can be controlled and monitored. The controller allows control

of the operating mode, fan speed, louver direction and temperature setpoints

of all indoor units (individually, by group or all). Eight individual programmable

schedules allow for automatic energizing and shutdown of indoor units

(individually or by group) with operation mode and setpoint control. Up to 16 AC

Ez controllers can be linked together on a single communication bus providing

control and monitoring of up to 256 indoor units.

Central Controllers