DIGISYSTEM DSB-500 User manual

INSTRUCTION MANUAL FOR DSB-500 & DSB-1000
Names of parts:
(1) Controller
(3) Thermometer
(5) Power Switch
(7) Temperature Control
(9) Fine Adjuster
(2) Tank
(4) Opening for Thermometer
(6) Pump Circulator
(8) Heater Lamp
(10) Heater
1. Take “Controller” (1) out and set it into “Tank” (2) as Figure 1.
2. Pour water into “Tank” until water level covers half height of “Tank”.
3. Insert “Thermometer” (3) into the “ Opening for Thermometer” (4), and to be sure that the end of
“Thermometer” is under the water level. (In order to insert “Thermometer” into the “Opening for
Thermometer” easily, you can wet “ Thermometer”.)
4. Before connecting the power supply, please check if “Power Switch” (5) is placed at “OFF” position.
5. Place “ Power Switch” at “ON” position, then switch lamp lights up and “Pump Circulator” (6) starts
running.
6. Adjust “ Temperature Control” (7) to the required Temperature scale, and then “ Heater Lamp” (8)
lights up. When water temperature reaches the required temperature scale, “ Heater Lamp” becomes
off.
7. Check the “ Thermometer” if the temperature is the same as the required temperature. If the
thermometer temperature is under the required temperature, turn “ Fine Adjuster” (9) clockwise slightly;
if the thermometer temperature is over the required temperature, turn “ Fine Adjuster” (9)
counterclockwise slightly. Check and adjust until the thermometer temperature is the same as the
required temperature.
Warning:
If water level is under the bottom of “Heater” (10), you must pour water into “Tank” to cover the heater.
Figure 1
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
Figure 2

SERVICE MANUAL
Caution: Always disconnect the power cord before troubleshooting.
Trouble
Cause
Remedy
Instrument inoperative
Power cord not connected to outlet.
Plug instrumentin..
Dead power output.
Changetodifferentoutput.
Controller can’t control the
water temperature
Sensor is broken
Replacinga sensor
Temperature control knob
Replacingacontrol knob
Heater is broken
Replacingaheater
Pump Circulator doesn’t work
well
Pump Circulator is broken
ReplacingaPump Circulator
Foreign bodies blockaged the pump Circulator
Sweep away the foreign bodies
CIRCUIT DIAGRAM