Figure 53 - VSD data key .....................................................................................................................................127

Figure 54 - Operating hours/Start counter key .....................................................................................................129

Figure 55 - History key..........................................................................................................................................130

Figure 56 - Setpoints key ......................................................................................................................................137

Figure 57 - Program key .......................................................................................................................................139

Figure 58 - Options key ........................................................................................................................................149

Figure 59 - Date/time and schedule key ...............................................................................................................152

Figure 60 - Manual override key ...........................................................................................................................155

Figure 61 - Print key .............................................................................................................................................156

Figure 62 - System switches key ..........................................................................................................................159

Figure 63 - Service connections ...........................................................................................................................162

Figure 64 - Leak test hold times ...........................................................................................................................163

Figure 65 - Evacuation of the chiller operation .....................................................................................................165

Figure 66 - Saturation curve .................................................................................................................................167

Table 1 - Unit lifting point locations .........................................................................................................................25

Table 2 - Minimum evaporator tube removal clearance ..........................................................................................30

Table 3 - Evaporator connections dimensions ........................................................................................................35

Table 4 - Electrical lug data .....................................................................................................................................45

Table 5 - Physical data - Microchannel coil .............................................................................................................66

Table 6 - Standard two-pass, right side inlet/outlet evaporator connections ........................................................... 70

Table 7 - Optional two-pass left side inlet/outlet connections .................................................................................72

Table 8 - Standard two-pass left side inlet/outlet connections ................................................................................74

Table 9 - Optional three-pass inlet/outlet connections ............................................................................................75

Table 10 - Isolator selection and mounting locations .............................................................................................78

Table 11 - Elastomeric dimensions .........................................................................................................................89

Table 12 - Elastomeric weights ...............................................................................................................................89

Table 13 - One inch deflection isolator dimensions .................................................................................................91

Table 14 - One inch deflection isolator weights .......................................................................................................91

Table 15 - Two inch deflection isolator weights .......................................................................................................93

Table 16 - YVAA freeze damage protection requirements ......................................................................................98

Table 17 - YVAA SC-EQ BAS Points List .............................................................................................................106

Table 18 - Low differential oil pressure cutout ....................................................................................................... 116

Table 19 - Discharge pressure load limiting/unloading ......................................................................................... 117

Table 20 - Suction pressure load limiting/unloading .............................................................................................. 117

Table 21 - Start inhibit sensor thresholds .............................................................................................................. 118

Table 22 - Sensor minimum and maximum outputs ..............................................................................................126

Table 23 - Compressor overload settings .............................................................................................................128

Table 24 - Setpoint limits .......................................................................................................................................138

Table 25 - Programmable operating parameters ..................................................................................................141

Table 26 - Setup mode programmable values ......................................................................................................142

Table 27 - Printout types .......................................................................................................................................156

Table 28 - System pressures ................................................................................................................................166

Table 29 - R-134a pressure to saturated temperature conversion ........................................................................169

Table 30 - R-513A pressure to saturated temperature conversion .......................................................................170

Table 31 - Part numbers ........................................................................................................................................175

Table 32 - Troubleshooting guide ..........................................................................................................................178

Table 33 - R-134a pressure to saturated temperature conversion ........................................................................181

Table 34 - R-513A refrigerant pressure to saturated temperature ........................................................................182

Table 35 - R-513A refrigerant temperature to pressure ........................................................................................183

Table 36 - Temperature input voltage sensor (Measured signal to shield at the sensor) ...................................... 184

Table 37 - Outside air temperature sensor input voltage, measured signal to shield at the sensor ...................... 185

Table 38 - Pressure transducer output voltage, measured signal to return at the transducer .............................. 186

Table 39 - Motor temperature sensor resistance (Check at the motor) .................................................................187

Table 40 - SI metric conversion .............................................................................................................................190

List of Figures (cont'd)

List of tables

Form 201.47-ICOM1

Issue date: 17/11/2022

JOHNSON CONTROLS

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