Accurate Temperature sensing by precise temperature sensor.
5.
Time Sharing for Compressors to share load equally.
6.
Voltage & Current protections for each compressor.
7.
Separate alarm relay contacts forAC Fail.
8.
Fire protection by Digital Input
9.
Hour counters for Compressor ON Period to check its reliability.
10.
Display of all the A/C parameters & fault messages continuously in a scrolling manner
11.
Display Hold Feature by using ENTER Key. Press it again to release the hold.
12.
Various set points are settable through the following different Menu categories: a] VIEW b] SET c]RESET
13.
Password Protection for all the settings.
14.
Sensor Fail Mode to keep ON & OFF cycle of one of the A/C through sensor fail ON/FF time settings.
15.
Auto (with all protections)/Manual (without protection) Modes.
16.
Controller Bypass feature by provision of Switch on Front Panel.
17.
LED Indications to observe the status.
Technical Specifications
1]Supply Voltage :
230 VAC, 50 Hz +/- 15% separate for each A/C.
2] Contact Rating:
30 Aat 230 VACfor CompressorLive Outputs&
5 A at 250 VAC for AlarmPotential FreeOutputs(C,N/O)
3] Temperature Sensor:
Thermistor Sensor NTC 10K@25ºC Metal body with clamp.
Sensor Cable Length: 2.75 meters
4] Temperature Sensing Range:
0.0º º C to 55.C
5] Resolution :
1V for Voltage, 0.1 A for Current & 0.1ºC for temperature.
6] Auto/Controller Bypass Switch:
To bypass the controller i.e. A/C1 &A/C2 will remain ON
continuously if both the switches are in ON condition.
7] Indications:
1] SupplyON for A/C1 &A/C2. Colour: Yellow
2] Auto Mode for A/C1 &A/C2 Colour: Green
3] Manual Mode for A/C1 &A/C2 Colour: Red
4] AC ON for A/C1 &A/C2 Colour: Green
5] Fault for for A/C1 &A/C2 Colour: Red
6] Room High Colour: Red
7] Healthy Colour: Green
8] Keys: 4 key keypad for settings.
1] SET Key: To enter into SET Mode/To view the next set point
2] Up Arrow Key : To increment the set point/To view next menu/To view next set point inVEW menu.
3] Down Arrow Key: To decrement the set point/To view previous menu/To view previous set point in VEW menu.
4] ENTER Key: To come out of SET mode/To enter into menu/To accept the password
