Emerson PFH020A-L, User Manual

Page: 52 / 117

Microprocessor Control
45 Liebert
®
Mini-Mate2
™
6.1.13 Custom Alarms
The custom alarm messages can be selected from a list of standard alarm messages, allowing the
operator to write his/her own message. A MAXIMUM OF TWO (2) ALARM MESSAGES CAN BE
CUSTOMIZED. The two custom alarm messages will initially display the previously programmed
message but can be changed.
The text for custom alarms can be changed at any time by selecting “CUSTOM ALARMS”. To change
the text for a custom alarm, select the alarm you would like to change, 1 or 2. Using the Up/Down
Arrows, step through the list of five standard alarm messages (listed below) and two custom alarms.
Select the alarm message desired and store it by pressing Enter.
• STANDARD CUSTOM ALARM MESSAGES •
• WATER FLOW LOSS
• SMOKE DETECTED
• LOSS OF AIR FLOW
• HUMIDIFIER PROBLEM
• FILTER CLOG
6.1.14 Custom Text
To modify the two custom alarm messages select “CUSTOM TXT”. Then select “CUS TXT #1” or “CUS
TXT #2”. Text can be up to 20 characters in length and can be either a blank space or any of the
following alphanumeric characters and symbols:
• A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z
• #,%,*,-
• 0,1,2,3,4,5,6,7,8 or 9
Use the Up/Down Arrows to select a character, then press Enter. The cursor will move to the next
space where you may once use the Up/Down Arrows to select another character, etc.
LCD Contrast
The level of contrast due to the viewing angle of the Liquid Crystal Display (LCD) can be adjusted
using a potentiometer screw, inside the wall box next to the display.
Nonvolatile Memory
All critical information is stored in nonvolatile memory. Setpoints, setup parameters and component
run hours are kept inside the microcontroller in EEPROM.