Carrier AquaForce 30XV140 - Troubleshooting; Black Box Function

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Troubleshooting — The Touch Pilot™ software offers
several tools to assist with troubleshooting unit issues.
BLACK BOX FUNCTION — The control system is
equipped with a “black box” function that continuously stores
operating parameters in the onboard memory every 5 seconds.
For each alarm event that is triggered, the system collects up
to 180 records (15 minutes) of data, with approximately
14 minutes of data recorded before the alarm is triggered and
1 minute of data after. The black box function is capable of
storing 20 events of data on a rotating basis (first in first out).
After all records for an event are stored, a .csv file is gener-
ated. This file can be accessed by using Carrier’s Service soft-
ware and opened in software such as Microsoft Excel for
analysis. Table 78 shows the operating parameters that are
recorded by the black box function. Table 79 shows a list of
alarms that can be collected by the black box function.
Table 78 — Black Box Function Recorded Parameters
LEGEND
DESCRIPTION POINT NAME
Capacity Running Circuit A cap_pc_a
Capacity Running Circuit B cap_pc_b
Capacity Control State A capmoda
Capacity Control State B capmodb
Compressor Temperature A CP_TMP_A
Compressor Temperature B CP_TMP_B
Control Point CTRL_PNT
Evaporator Entering Temperature COOL_EWT
Evaporator Leaving Temperature COOL_LWT
Evaporator Flow switch #1 FLOW_SW
Evaporator Flow switch #2 FLOW_SWB
Demand limit dem_lim
Discharge Gas Temperature A DGT_A
Discharge Gas Temperature B DGT_B
Discharge Superheat Temperature A DSH_A
Discharge Superheat Temperature B DSH_B
Drive Frequency A drv_F_a
Drive Frequency B drv_F_b
Drive Frequency A drv_I_a
Drive Frequency B drv_I_b
EXV Override A ov_exv_a
EXV Override B ov_exv_b
EXV Position A EXV_A
EXV Position B EXV_B
EXV State A exv_sta
EXV State B exv_stb
Fan Drive Frequency A1 fd_Fa1
Fan Drive Frequency A2 fd_Fa2
Fan Drive Frequency B1 fd_Fb1
Fan Drive Frequency B2 fd_Fb2
Fan Freq Cir A wfan_f_a
Fan Freq Cir B wfan_f_b
Fan State A fan_sta
Fan State B fan_stb
Liquid Gas Temperature A LIQ_T_A
Liquid Gas Temperature B LIQ_T_B
Oil Pressure Circuit A OP_A
Oil Pressure Circuit B OP_B
Outdoor Air Temperature OAT
Override Capacity A overrida
Override Capacity B overridb
Saturated Condensing Temperature A SCT_A
Saturated Condensing Temperature B SCT_B
Saturated Suction Temperature A SST_A
Saturated Suction Temperature B SST_B
Saturated Liquid Temperature A SLT_A
Saturated Liquid Temperature B SLT_B
Suction Temperature A SUCT_A
Suction Temperature B SUCT_B
A—Circuit A
B—Circuit B
EXV — Electronic Expansion Valve