Carrier GR-60 - Logic Board; Figure 1-10 Logic Board

1-12
T--295
1.11 LOGIC BOARD
J1 Logic board power in.
J2 Display interface.
J3 Manual control inputs.
J4 Interlock Inputs
(WTS, low side pressure switch etc.)
J5 Relay board interface.
J6 Sensor inputs (Thermistors, etc.).
J7 Diagnostics interface (RS232, DB9).
D2 Blinks once per second in normal operation.
On steady to indicate alarms detected.
D3 Off In normal operation, blinks out alarm
codes (2 digits each) when alarms detected.
A-P Configuration Jumpers
Figure 1-10 Logic Board