FrontAIRE II Controller
| 1. | ON /OFF Button | Press the button to turn the unit ON. Press again to turn it OFF. | |
| 2. | Red Alarm Icon |
The Red Alarm Symbol (LED) will be ON in the case of:
In both cases, the unit will not work in Cool Mode. |
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| Yellow Alarm Icon |
The Yellow Alarm Symbol (LED) will be ON in case of temperature sensors failure. In this case the unit will work with the wrong data from the sensor. To restart the unit, press twice the button ON/ OFF (1) to switch OFF and ON the unit. If the alarm comes up again, don’t restart and see your nearest dealer for service. |
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| 3. | SPEED knob | The stepless control of the blower speed. | |
| To decrease the blower speed, turn the knob to the LEFT. | |||
| 4. |
Lower Value button |
Lower Value button: Press the button to decrease the desired setpoint. The minimum is 18 °C (64 °F). For permanent cooling set LO on the display and press A/C (9), LED A/C is ON. For permanent ventilation set LO on the display, LED A/C is OFF. Higher Value button: Press the button to increase the desired setpoint. The maximum is 27 °C (80 °F). For permanent heating set HI on the display. Manual Mode: Press UP (5) and DOWN (4) simultaneously. Use UP (5) or DOWN (4) to set opening of the water valve (Hxxx%). |
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| 5. |
Higher Value button |
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| 6. | AUTO button |
Auto Mode: The unit will heat or ventilate the driver compartment automatically (according to the desired setpoint and compartment conditions), LED A/C is OFF. Reheat/Auto Mode: The unit will cool or heat the driver compartment automatically (according to the desired setpoint and compartment conditions), LED A/C is ON. The speed of the blower will set automatically (according to the desired setpoint and compartment conditions). |
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| 7. | DISPLAY |
The display shows the real time when the system is OFF. The display shows the required setpoint when the system is ON. The brightness of the display and LED’s is controlled automatically according to the external light condition. |
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| 8. | SMOG button | Recirculated Air: The fresh air damper is closed for 10 minutes (according to the parameter), LED is ON. | |
| 9. | A/C button | Air Condition Mode: The unit will operate in the cool or in the reheat mode, LED is ON. | |
| 10. | AIR DISTRIBUTION knob |
The stepless control of the air distribution damper. |
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Turn the knob to the LEFT to distribute air to the driver. |
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Turn the knob to the MIDDLE to distribute air to the driver and to the windshield. |
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Turn the knob to the RIGHT to distribute air to the windshield. |
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| 11. | DEFROST button | Defrost / Demist Mode: The unit will defrost or demist the windshield, LED is ON. |
Operating Instructions
Turn the system ON by pressing key ON/OFF (1) - the display shows temperature. The system is in Auto Mode - the LED AUTO is ON.
Use keys UP (5) or DOWN (4) to set the required setpoint.
Adjust the system by using keys AUTO (6), SMOG (8), A/C (9) and DEFROST (11), knobs SPEED (3) and AIR DISTRIBUTION (10).
To keep the constant temperature in the driver compartment press keys AUTO (6) and A/C (9) to ON state - both LED’s are ON, and use keys UP (5) and DOWN (4) to set the required setpoint.
Turn the system OFF by pressing key ON/OFF (1) - the display shows the real time.
GENERAL SETTINGS
In the working mode press and hold AUTO (6) for 5 sec. The display shows “TEST”. Press UP (5) or DOWN (4) to show “TIME” on the display. Press ENTER (11) to show the real time. Press ENTER (11) again to show a blinking number. For the setting use UP (5) and DOWN (4), for the confirmation use ENTER (11). To go back to the working mode press ESC (6) three times.
TIME AND DATE SETTING
Real time / hours - left blinking numbers w/o dots (set hours).
Real time / minutes - right blinking numbers w/o dots (set minutes).
Real date / day (set day).
Real date / month (set month).
Real date / year (set year).
PREHEATER TIME SETTING
Preheater start time / hours - left blinking numbers w/ dots.
Preheater start time / minutes - right blinking numbers w/ dots.
SPECIFICATIONS
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APPLICATION |
Control of HVAC front box unit |
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SETUP TEMPERATURE RANGE |
18°C (64°F) to 27°C (80°F) |
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OPERATING VOLTAGE RANGE |
22 - 30 VDC |
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CURRENT CONSUMPTION |
Max. 60 mA |
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OPERATING TEMPERATURE RANGE |
-30°C (-22°F) to 80°C (176°F) |
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CONNECTION |
Molex 39-01-2140 and 39-01-2180 |
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DIMENSION (WxHxD) |
187 mm x 57 mm x 60 mm |
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INPUTS |
Return Air Temperature Sensor |
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Coil Temperature Sensor |
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Ambient Temperature Sensor |
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Floor Temperature Sensor |
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Duct Temperature Sensor |
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3 Analog Inputs (0 - 24 VDC) |
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2 Digital Inputs (0 / 24 VDC) |
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OUTPUTS |
6 Hi/Lo Side Universal Outputs (max. 0.5 A each) |
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4 Servomotors Outputs:
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Compressor Clutch Output (24 VDC / 2 A) |
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PWM Blower Output (24 VDC, 20 kHz, 0 - 100%) |
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SOFTWARE FEATURES |
Real-time clock |
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Timer for Preheater |
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DIAGNOSTIC / PROGRAMMING |
RS-232 |