37
7 - CONTROL
CIRCUIT 1 STATA - TAB1
code description description
AI-94U SuctionTemp_X2 Suction temperature
AI-94U SuctionPressureX1 Suction pressure
AI-985 DischargeTC1_B1 Compressor 1 discharge temperature
AI-985 DischargeTC2_B2 Compressor 2 discharge temperature
AI-985 DischargeTC3_X2 Compressor 3 discharge temperature
AI-985 SourceTemp1_B3 Source temperature (air source unit = Probe on source coil. Water source unit = Probe on source inlet)
AI-985 SourceTemp2_X1 Source temperature 2 (air source unit = Probe 2 on source coil. Water source unit = Probe 2 on source inlet)
AI-985 DischargePressure_X3 High pressure probe
AO-985 %Cmd Cmp_X5 Compressor modulating signal control
AO-985 %Cmd Source_X6 Source modulating signal control
DI-985 Source WaterFlow_X4 Source water flow (water source unit only) : 0=Fault 1=OK
DI-985 LP Pressure switch_X7 Low pressure switch : 0=Fault 1=OK
DI-985 Ovl Inverter_DL1 Inverter compressor overload : 0=Fault 1=OK
DI-985 HP Pressure switch_X8 High pressure switch : 0=Fault 1=OK
DI-985 Ovl Source_DL2 Source thermal protection : 0=Fault 1=OK
DI-985 Ovl Cmp1_D1 Thermal protection compressor 1: 0=Fault 1=OK
DI-985 Ovl Cmp2_D2 Thermal protection compressor 2: 0=Fault 1=OK
DI-985 Ovl Cmp3_D3 Thermal protection compressor 3: 0=Fault 1=OK
DI-985 Diff.PressureOilScrew_D2 Differential oil pressure (screw compressor only): 0=Fault 1=OK
DI-985 EnCircScrew_D3 Enabling circuit input (screw compressor only): 0=Fault 1=OK
DO-985 Cmd Cmp1_Q2 Compressor 1 command : 0=Off 1=On
DO-985 Cmd Cmp2_Q3 Compressor 2 command : 0=Off 1=On
DO-985 Cmd Cmp3_Q4 Compressor 3 command : 0=Off 1=On
DO-985 Cmd Source_Q1 Source command: 0=Off 1=On
DO-985 Cmd Inj.Cmp1_Q5 Compressor 1 liquid injection valve : 0=Off 1=On
DO-985 Cmd Inj.Cmp2_Q7 Compressor 2 liquid injection valve : 0=Off 1=On : 0=Off 1=On
DO-985 Cmd Inj.Cmp3_Q8 Compressor 3 liquid injection valve : 0=Off 1=On : 0=Off 1=On
DO-985 Cmd YV4
reversingValve_Q6
Reversing valve : 0=Off 1=On
DO-985 Cmd Digital_DO2 Pulsating valve PWM compressors : 0=Off 1=On
DO-985 Cmd KMLine_Q2 Line contactor (screw compressor only): 0=Off 1=On
DO-985 Cmd KMPW1_Q3 1st winding / Star contactor Q3:DO-985 (screw compressor only): 0=Off 1=On
DO-985 Cmd KMPW2_Q4 2nd winding / triangle contactor (screw compressor only) : 0=Off 1=On
DO-985 Cmd YV25%_Q7 Start stop valve YV25% (screw compressor only): 0=Off 1=On
DO-985 Cmd YV75%_Q8 Valve YV75%(CR3_Bitzer) (14_Refcomp) (screw compressor only): 0=Off 1=On
DO-985 Cmd YVUP_DO1 Increase power valve (CR4_Bitzer) (16_RefComp) (screw compressor only): 0=Off 1=On
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