103(108)
Picture 6-9:Cooling Pipes 1
2) Screw off the screws of cooling pipe to take it out. (Refer to pictures below)
Picture 6-10:Cooling Pipes 2
3) Re-fix the cooling pipe in a reverse order.
Because the heat transfer oil may become carbonized agglutination after
a long time heating, which will shorten the lifespan of the pump, so it is
suggested to replace every three monthes.
Oil used parameters recommended:
Use kerosene up to 200 degrees model:
Model: Nanhai MCH32. For using other brands, fire point should be
higher than 240 degrees.
Use kerosene up to 300 degrees model:
Model: Goddess HT-3 heat trsnfer oil. For useing other brands, fire point
should be higher than 340 degrees.
6.6 Printed Circuit Board
MAIN terminal board drawing (refer to next page for terminal position and
number).
① SENSOR TERMINAL1 (sensor terminal)
2, 3 : control temp. sensor termnal
5, 6 : retuen water temp. sensor terminal