PACKAGE A/C CONTROLLER SZ-7576
SZ-7576
3
3
No. of switches:
1. OFF - To switch off blower
2. FAN - To start the system in fan mode where only blower will be on.
3. COOL - To start the system in cool mode where actually controller will work depending on
set point setting.
4. ALARM ACK- To mute the buzzer.
5. Up/Dn – These allows to adjust the set point to desired value.
At power on, the controller will start in the last mode it was set in before being powered off. There
are 3 states in which the controller can be at power on.
State 1
Controller is in the OFF mode. In this state, all devices are OFF and the system is in Stand By
mode and controller will display the temperature.
State 2
Controller is in FAN mode. In this state, only Blower will activate and controller will display the
temperature.
State 3
Controller is in COOL mode. In this state, system will start activating all devices as required.
