Precision Air Conditioners

MP-99 Microprocessor Features

Simultaneous PID Control of Critical Parameters

MP-99 has built in proprietary software for PID Control of Cooling/Heating/Humidification/ Dehumidification & Comprressor High/Low pressures simultaneously.

Software Features

Real Time Clock & Calendar.
Password Protection .
39 Different Alarms.
53 Status Indications.
Last 10 Alarms with Date & Time of occurrence.
SET facility for Temp/ RH setpoints .
Graphical Symbols for critical parts ON/OFF status to know unit status at-a -glance.
RS232C /RS 485 Outputs for Communication to external devices
32 Character Alfanumaric LCD Display.
8 Keys Data Entry .
Self Diagnosis with Failure Guided Search.
Battery Backed RAM for 10 Years data storage & retention.
Analog/Digital Inputs & Outputs.

32 Character Alfa-numeric LCD Display

MP-99 Microprocessor is designed with 32character Alfa numeric LCD display which can display easily readable Temp/RH values, Alarms & Status Messages.

8 key easy to operate keyboard

MP-99 has a 9 key keyboard consisting of dedicated keys for SET / RESET / ALARM SILENCE /INFORMATION for ease of operator use .

Guided Failure Search

MP-99 offers guided failure search using the INFORMATION key for various possible failures of the Unit and its sensors for immediate attention.

Serial Output for remote Monitoring & BMS.

MP-99 offers serial output using RS 232 C /RS 485 ports which can be used to monitor & Control the Precision AC Units remotely using REMOTE MONITORING SYSTEMS or Building Management Systems .

MP-99 Microprocessor Features

MP-99 Construction

Graphical Symbols for at - a -glance unit status

MP-99 Construction

MP-99 is designed as a set of individual PCBs for :

Temp/RH sesor.
Display & Keyboard.
A/D & D/A Converter PCBs.
Relay Output PCB.
Microprocessor Mother PCB

Password Control

Graphical Symbols for at - a -glance unit status

MP-99 Construction

MP-99 is PASSWORD protected for avoiding use & changes by an unauthorised person.

Graphical Symbols for at - a -glance unit status

SET key to set Temp/RH set points & Hi/Low Limits

MP-99 Display shows Graphical Symbols for AUto/Manual mode of working of Compressors, Fan, Humidifier, Heaters , Dehumidifier & Water Inlet/Outlet Valves to understand unit status at -a -glance.

SET key to set Temp/RH set points & Hi/Low Limits

SET key allows programming of 53 nos of factory set set-points of the unit :

Temp/RH set Points.
Clock & Calender.
Hi/Low Temp. & RH Limits.
Hi/Low AC Line Voltage Set Points.
Comp 1/2 start Delays

MANUAL Mode of Operation

SET key to set Temp/RH set points & Hi/Low Limits

MANUAL Mode of Operation

MP-99 can be put in MANUAL mode with this key to run following components manually :

Compressors 1 & 2
Heaters 1 & 2.
Humidifier.

Remote Monitoring System

SET key to set Temp/RH set points & Hi/Low Limits

MANUAL Mode of Operation

Mp-99 can be connected to the Remote Monitoring System or a Building Management System through RS 232 C Serial data output of MP-99

MP-99 Status Indications

On/Off & Manual On/Off Status of Critical Parts

Display of Set Points & HP/Voltage/Current Values

MP-99 STATUS displays ON/OFF or MANUAL ON / OFF status indications of :

Compressors- 1 & 2
Heaters 1 & 2 .
Humidifier .
Cooling & Heating Valves.
Condenser Fans 1 & 2 ,

Display of Set Points & HP/Voltage/Current Values

MP-99 STATUS displays :

Temp. & RH Set Points,
Humidifier Current,
Date & TIme,
Comp. 1 & 2 High Pressure in kpA,
AC Line Voltage & Current,
Outlet & Ambient Temperature.

Hours in use & No. of Starts Counters

Display of Set Points & HP/Voltage/Current Values

Hours in use & No. of Starts Counters

MP-99 STATUS displays Hours of use Counter for :

Compressor 1 & 2.
Heaters 1 & 2
Humidifier & Dehumidifier.
Fan.

No. of Starts Counter for Compressor 1 & 2 .

Last 10 Alarms with Date & Time

Hours in use & No. of Starts Counters

MP-99 STATUS Indications display last 10 alarms logged in the Precision AC for ease of mtce & daily chedcks stamped with Date & Time of occurance.

Maintenance Status

Last 10 Alarms with Date & Time

Communication & Chrono

MP-99 STATUS shows MAINTENANCE level status of parts such as Compressors, Heaters etc on level of 1 to 5 depending on their hours of the use to take maintenance actions.