Troubleshooting
6-48 Manual # 42-02-1P21
Table 6.9 HC-DVR Board Terminals
Connector Terminal Description
J1 Used to program the U15 microcontroller
J2 Internal CAN signal and power
J3 2L 2L bus output
2L 2l bus output
TO1 Connects to input of thermal overload (Also monitors 2L bus)
TO2 Connects to output of thermal overload
UNTD Up normal limit (input)
US Up slow (Provides power to valve, output)
UF Up fast (Provides power to valve, output)
USL1 Up slow terminal #1 (input)
USL2 Up slow terminal #2 (input)
DF Down fast (Provides power to valve, output)
DSL1 Down slow terminal #1 (input)
DSL2 Down slow terminal #2 (input)
DNTD Down normal limit (input)
DS Down slow (Provides power to valve)
USE Up Slow Enable (Pulls to ground when valve is activated, output)
UFE Up Fast Enable (Pulls to ground when valve is activated, output)
DFE Down Fast Enable (Pulls to ground when valve is activated, output)
DSE Down Slow Enable (Pulls to ground when valve is activated, output)
J10 YD1 Wye contactor coil or solid state start (Pulls to ground when activated, output)
DD1 Delta or A contactor coil (Pulls to ground when activated, output)
M1 Main contactor coil (Pulls to ground when activated, output)
OL2 Connects to overload monitor output
OL1 Connects to overload monitor input
J11 MR1 Main contactor monitor input (Connects to 2 bus and normally closed auxiliary
contacts)
YR1 Wye contactor monitor input (Connects to 2 bus and normally closed auxiliary
contacts)
DR1 Delta contactor monitor input (Connects to 2 bus and normally closed auxiliary
contacts)
RP1 Reverse phase sensor input
SSD SSD monitor input
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