4 A/C CONTROLLER ( Model:- AC_4TT-V1 )

SILENT FEATURES

Controls Four Air conditioners.
4 Digit Seven segment LED display to view Temperature
Accurate temperature sensing with good quality thermostat.
Separate set points for Room Temp. of A/C 1 , A/C 2 , A/C3 & AC 4
Room temperature high Alarm indication. (above HIGH TEMP set point )
High Temperature set point user settable.
Changeover Cycle time in tens of minutes. user settable.
Password protection for parameter set points.
Separate potential free contacts for ‘High temperature Alarm’
AC ON indication by LED on front panel.

TECHNICAL SPECIFICATIONS

SYSTEM SUPPLY :

230 VAC +/- 15%

OUTPUT CONTACT RATING:

Output contact rating for AC1, AC2 ,AC3 is 30 A at

250 VAC & for ALARM is 7 A at 250 V AC

POWER ON DELAY TIME :

A/C 1 30 SEC., A/C2 40 SEC, A/C3 50 SEC, AC4 60 Sec.

ROOM TEMP. SET POINTS :

A/C 1 cut in 22°C cut off 19°C user settable.

A/C 2 cut in 24°C cut off 21°C user settable. A/C 3 cut in 26°C cut off 23°C user settable. A/C 4 cut in 28°C cut off 26°C user settable

CYCLE TIME :

240 minutes Default, user settable by keys.

After cycle time over the set points are rotated in cyclic manner

i.e. AC1 set point goes to AC 2, AC2 set point goes to AC3 AC3 set point goes to AC42, AC4 set point goes to AC1

DIMENSIONS :

215 x 195 x 70 mm

DISPLAY :

Running Mode: Display show

A. Balance Cycle Time

B. Room Temperature.

C. Actual Voltage

D. Fault message if any

INDICATIONS :

AC 1 On / AC 2 On / AC 3 On / AC 4 On / Healthy / Fault Indication

AUTO / MANUAL Switch :

For AC 1 / AC 2 / AC 3 /AC 4

WORKING :

In normal working conditions when power is turned ON. Display will show Cycle Time, Room temperature. Now depending on the Room temperature & Room temp. set points of A/C1,A/C2,A/C3 AC4, they will be turned ON after their respective power on delay & this condition system makes ON/OFF of A/Cs depending on the set point of Temperature & Cycle time in tens of minutes. If room temperature exceeds the set point of HIGH TEMP, ALARM RELAY contacts get closed.

To view/change set points of A/C1 Cut In, A/C2 Cut In, A/C3 Cut In, A/C4 Cut In High temperature & Change over cycle time in tens of minutes press SET key.

PARAMETER SET POINTS :

Cycle
AC 1 ON set point
AC 2 ON set point
AC 3 ON set point
AC 4 ON set point
Hysteresis
Room High
Hysteresis
Room Low
Hysteresis
Under Voltage
Over Voltage

1. To change set points, press SET key once. Display will show PASSWORD Now enter correct password (15) by using INC/DEC keys & then press ENTER key. On display we can see existing Cycle time You can change it by using INC or DEC keys. Now by pressing Enter key you can go to next parameter i.e. AC 1 ON set point, You can change set point by Inc / Dec key. After changing set point again press Enter key to go to next parameter. This way we can Set AC 1/ AC2 /AC3/ AC4 ON Set points, Hysteresis, Room High/Room Low set points, Under Voltage, Over Voltage set points. At last again press Enter keys. All parameters are now set as per requirement. Unit will go to RUN Mode Automatically.

NOTE :- If require any help at time of setting please call 9822032986

Cell sites vitally need air conditioning systems. The heart of an Air conditioner is its compressor
To control A/Cs ‘Aircon Controls’ has developed a new innovative product “ 4 A/C CONTROLLER ” (with Temperature Control)
4 A/C Controller is a Microprocessor based system, which controls operation of four A/Cs. System also provides facility to indicate High temperature Alarm.
All the set points such as Compressor Cut In Temp. , High Temp & Cycle Time are site selectable & user can easily set them by using keys provided on the front panel.