MDI-CONTROLLER
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DISPLAY & INDICATIONS
Display & Wiring Diagram
WIRING DIAGRAM
R
Y
B
N
TO
LOAD
TRIP
AL2
AL1
From
Source
Inputs
Outputs
TRIP
AL2
AL1
N
Contactor
Shunt Release
N
N
Contactor
N
Hooter
N
Contactor
N
Hooter
Line
CONTROL
The voltage of contactor coil or Shunt release or Hooter / Siren not more than 240 Volt.
Protection fuse rating max. 2 Amp.
Alarm1 energizes when kW More than Set MD.
Alarm 2 energizes when target demand reached at 95%*
Trip energizes when target demand reached at 100%.
*( Percentage of target demand is selectable at any value 75% to 99%.)
MDI-CONTROLLER
98MDC
1. Bright Red, 0.56", 7 Segment, 4 digit Display.
2. Bright Red, 0.56", 7 Segment, 4 digit Display.
3. RD LED Indicate Display, Show Rising Demand
4. KW LED Indicate Display, Show Instantaneous
Killowatt (Active Power)
5. Date LED Indicate Display show Present DATE
(MM:DAY)
6. MD LED Indicate Display 2 show Target demand of
present Time Tarif (Maximum Demand) Indication
7. KVA LED Indicate display 2 shows Instantaneous KVA (Apparent
power)
8. Time LED indicate Display 2 shows Present time (24 Hour
Format).
9. Peak Time LED indicate Display show present Peak Load Start
Timer).
10. PROG. LED indicate the system is in programming mode.
11. PKL ON LED Indicate system in peak load time mode
12. Weekly Off LED indicate system in weekly off mode
13, 14 & 15 -LED’s indicate phase wise parameters
16. Peak Time trip Indication
17. Pre-Alarm Indication
18. Trip Indication
19. Key to display RD & MD (during program mode this key
increase parameters)
20. Key for display KW & KVA (during program mode this key
decrease parameters.
21. Key to display Time & Date ( To select CT Ratio keep press
this key) (during program mode this key shift digit left to right
or right to left to set parameters)
22. Key to display present Peak Time, Start & finish. (during
program mode this key Enter ( ) parameter)
23. Scroll key & Auto manual selection key
2
