8. Electronic System
2004-10
Technical Manual for sunrise RC, TW, TS, TC, BC, 6F No. T 137 302 Rev No. 1.1
8-13
8.11 12 Volt Board
The board convert the 24 Volt input voltage to 24/12 Volt output voltage. The 12
Volt voltage is for controlling the Peltier module.
The 12 Volt board is replaced using the following procedure:
1. Switch the instrument OFF.
2. Remove the main power cable from the socket.
3. Remove the instrument top cover.
4. Remove the Epack top cover.
5. Remove the power connection socket.
6. Remove Epack right side cover.
7. Remove the Power supply.
8. Disconnect the two cable connections on the 12 Volt board.
9. Replace the 12 Volt board.
10. Replace all Parts in reverse order.
24 Volt power
connection from the
power supply.
12 /24volt power
connector to the
thermo board.
