Preheating Oven User Manual
Http://
www.tech168.cn
6
Operation instructions
：
1
. Starting and inspects before starting
:
①
Check the temperature sensor and the power line.
②
Turn on the power line. Don’t use until passing check. (The nixie
tube displays the indoor temperature.)
③
The black switch on the front panel use to control the infrared
preheating chassis; press
“▲”
up
，
“▼”
down
，
can be at 0-450
℃
,adjust
the infrared preheating chassis’s temperature. Press the button
“
WARM”
，
the infrared preheating chassis starts to work, press
“
COOL”
，
it stops
working.
2
.Operation of preheating PCB board
：
(1) PCB board’s placement and adjustment
：
①
According to the PCB board’s size, adjust the location of the
board support, put the PCB board on the support and fix the screw
tightly with hands. Make the temperature measurement head fixed on
the PCB board which needs to preheating, use aluminum-foil paper or
adhesive paper to stick tightly.
②
According to the size of PCB board and welding technological
requirement, press “▲”and “▼”button, between 0
℃
and 450
℃
, regulate
the output temperature of preheating chassis.
(2) Preheating opening and closure:
①
Press the “WARM” button
，
open the preheating chassis about 3-5
minutes, make the temperature be about the setting value then carry on
the step operation.