Page 7 of 14
Selection of parameters by pressing button:
•
TEMP
(7) : Nozzle temperature in °C/°F
(See Switching Temperature Conversation page 12)
•
AIR
(6) : Air flow rate in l/min
•
TIME/
PREHEAT
(5) : Switch
ON-OFF
the nozzle preheating (standby) at 200°C (392°F)
with 5 l/min airflow.
After selection, the setting can be changed using the
UP
(2) or
DOWN
(3) Control Keys. Keeping the
Control Key depressed, rapidly changes the values.
The hot air and the nozzle vacuum can activated:
Directly on the Control Panel:
Hot air button
START/STOP
Control Key (10),
Vacuum
VAC
Control Key (11)
2-Position Foot Switch (21):
Hot air-Position 1, Vacuum- Position 2
(hot air and vacuum are only active in the Manual Mode, when
the Foot Switch is depressed)
Manual Control Console (21):
Hot air
"AIR"
Control Key, Vacuum
"VAC"
Control Key
When the hand-piece is placed in the AKT30 Safety Stand (20), the hot air is switched off by a Mirco
Switch. If the nozzle pre-heating is active (PREHEAT ON), the device switches to the standby mode
with reduced temperature and air flow rate (200°C/392°F-5l/min).
Note: Hot air is automatically disabled after 999 sec for safety reasons.
2.2 Automatic operating mode
The Automatic operating mode has a 3-step temperature-time profile.
The temperature-time profile can be expanded by connecting an optional WHP3000 bottom heater.
When the WHP3000 is connected via the RS232 interface (14) the bottom heater is integrated into
the time profile.
The temperature profile is comprised of the following 3-steps:
Pre-heat phase, system
Step 1
(ends with an audible tone)
Pre-heat phase, component Step 2
Reflow process (soldering) Step 3
The soldering process is normally started with the hot gas nozzle raised. At the end of step 1 there
is an audible tone, after this tone the nozzle should be placed over the component in the soldering
position. At the end of Step 3, raise or remove the nozzle from the application.
The following pre-settings must be made on the WHA 3000V controller to define a customer-specific
temperature-time profile.
Settings step 1 – step 3
Nozzle temperature
50°C – 550°C (150°F / 999°F)
Temperature, bottom heat
50°C – 400°C (150°F / 750°F) (optional with WHP3000)
Air flow rate
5 l/min – 50 l/min
Time for the program step 0 sec. – 999 sec.
