Troubleshooting guide

MAGNUM VERSION 8 MANUAL REVISION 3.1
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4. Magnum Display Summary
The following is an examination of all the information screens that can be accessed through both the Magnum keypad
and MCS-Connect program.
4.1. Magnum keypad and display
Menu Screen 4.1.1.
The main menu is accessed by pressing the “Menu” key.
ACTUAL DISPLAY DESCRIPTION
Introduction to Status Screens 4.1.2.
The current status of the unit and compressors is displayed by selecting the “Status” option from the “Menu”
screen. This following screen will be displayed. By pressing the PG
 or PG  function keys you will get
additional information on each compressor.
Unit status 4.1.3.
ACTUAL DISPLAY DESCRIPTION
Unit Tonnage and KW Information 4.1.4.
If tonnage/KW information is available the following screen is added to the status screens:
ACTUAL DISPLAY DESCRIPTION
The above screen is based upon flow of 230 GPM and power factor (PF) of 1. All other values in the
calculation are displayed on the screen.
09:55Unit45/54
UNITISUNLOADED
025:42:33
WTDACTWTD%DLY ROC
0040%1800.0
TARGET=45.0(ADJ+0.0)
PG  PG 
HH:MMCHILLERUNITLEV/ENT
CURRENTCONTROLSTATE
TIMEINCURRENTSTATE
WANTEDACTUALWANTED%DELAYSLOPE
#STEPS#STEPSACTUAL%NEXTCHGDIRECTION
TARGETSETPOINT+TARGETRESET
PAGEUP PAGEDO
W
N
09:55Unit60/65
UNITISUNLOADED
025:42:33
AMP&VLTKW&TO NKW/TON
110.0A73.8K0.15
388.0V479T
PG  PG 
HH:MMCHILLERUNITLEV/ENTTMP
CURRENTCONTROLSTATE
TIMEINCURRENTSTATE
AMPandVLTKWandTONKW/TON
AmpsKWKW/TONwith2decimals
VoltageTons
PAGEUP PAGEDO
W
N
09:55MainMenu
‐Status‐ Setpoints
‐Outputs‐ServTools
‐Inputs‐ LckoutRST
‐Alarms‐ LckoutALM
‐Graphs‐ Passwords
Help  LARGE 
HH:MMMainMenu 
-Control Status Display -Setpoint Display
-Relay and Analog Output Display -Service Tools Display
-Sensor Input Display -Lockout Reset Display
-Alarm Display -Lockout Alarms Display
-Graph Display -Password Display
Menu Navigation Help Screen Enlarged Control On Display