McQuay ALZ “B” User Manual

304 C – 02/06 D – pag. 13/16
Summary of the meaning of each button:
Button Status of the unit Effect after pressing the button
SEL
Normal operating condition (display
shows the temperature of sensor B1)
List of codes
Displays values
after 5” DIRECT parameters appear
displays value
displays list of codes
PRG
Normal operating condition
List of codes
Displays values
Buzzer sound
after 5” password for USER parameters
stores parameters in eeprom
stores parameters in eeprom
silences the buzzer
PRG+SEL Normal operating condition
after 5" password for FACTORY
parameters
SEL+t Normal operating condition after 5" forces a manual defrosting cycle
t+u
Normal operating condition
Hour counter is shown
after 5" manual alarm reset
hour counter zeroes down immediately
PRG At start up default parameters
PRG+t At start up copies key on the unit's eeprom
PRG+u At start up copies unit's eeprom on the key

McQuay ALZ “B” Specifications

General

Brand	McQuay
Model	ALZ “B”
Category	Chiller
Language	English