Carrier AquaEdge 19DV series Controls Operation And Troubleshooting Download

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APPENDIX A — PIC6 SCREEN AND TABLE STRUCTURE (CONT)

Quick Calibration Menu

Navigation: MAIN MENU



QUICK Calibration

Quick Calibration

LEGEND

*Default value is shown only if configurable in this table.

CCN TABLE NAME: QCK_CALI
PIC6 PATH: Main Menu



Quick calibration

LINE

PIC6 DESCRIPTION

CCN NAME

RANGE

DEFAULT

VALUE*

UNIT

READ/WRITE

Quick Test Enable

QCK_TEST

DISABLE/ENABLE

DISABLE

GV1 Calibration Enable

GV1_CAL

DISABLE/ENABLE

DISABLE

GV1 Calibration Status

0 = no calibration/Failure, 1= in progress,
2= completed

GV1_STAT

Guide Vane 1 Actual Ohms

GV1_OHM

0 to 12000

Ohms

Guide Vane 1 Ohms 100

GV1_MAXO

0 to 12000

Ohms

Guide Vane 1 Ohms 0

GV1_MINO

0 to 12000

Ohms

Guide Vane 1 Actual mA

GV1_MAF

0 to 20.80

Guide Vane 1 mA 100

GV1_MAXA

0 to 20.80

Guide Vane 1 mA 0

GV1_MINA

0 to 20.80

GV2 Calibration Enable

GV2_CAL

DISABLE/ENABLE

DISABLE

GV2 Calibration Status

0 = no calibration/Failure, 1= in progress,
2= completed

GV2_STAT

Guide Vane 2 Actual mA

GV2_MAF

0 to 20.80

Guide Vane 2 mA 100

GV2_MAXA

0 to 20.80

Guide Vane 2 mA 0

GV2_MINA

0 to 20.80

EC Valve Calib Enable

HGBP_CAL

DISABLE/ENABLE

DISABLE

EC Valve Calib Status

0 = no calibration/Failure, 1= in progress,
2= completed

HGBP_ST

EC Valve Actual mA

HGBP_AMA

0 to 20.80

EC Valve mA 100

HBP_MAXA

0 to 20.80

EC Valve mA 0

HBP_MINA

0 to 20.80

Ref Lub 1st Test, Disable

RL1TEST

Ref Lub 1st Test Time

RL1TIME

min

Ref Lub 1st Test Status

RL1STAT

RO —

Read Only

RW —

Read/Write

Summary of Contents for AquaEdge 19DV series

Page 1: ...ELECTRICAL SHOCK HAZARD Failure to follow this warning will result in personal injury or death Before performing service or maintenance operations on unit turn off main power switch to unit and instal...

Page 2: ...rrupt the unit restarts automatically without the need for an external command However any faults active when the supply is inter rupted are saved and may in certain cases prevent a circuit or unit fr...

Page 3: ...or Pressure AI8 J15 3 9 5 VDC Chiller Status Output ON 20mA OFF 4mA TRIPOUT 8mA Not Off and Compressor not running 12mA AO1 J14 1 4 4 to 20 mA Yes Evaporator Flow Switch DI1 J13 5 5TB 9 10 24 VAC Yes...

Page 4: ...Board NO Normally Open DESCRIPTION CHANNEL TERMINAL TYPE OPTIONAL Entering Evaporator Water Temperature Chilled Water Delta P AI3 J16 7 5TB51 52 5 VDC Yes Leaving Evaporator Water Pressure Condenser...

Page 5: ...itable 24 VAC relay is Carrier part number 19XV05005503 Carrier recommends using a relay with a contact rating of 10 amp sealed RMS or greater LEGEND FOR FIG 2 6 PART NO NO OF PIN 19XF04003501 2 PIN 1...

Page 6: ...6 Fig 3 IOB2 and IOB3 AVAILABLE FOR OLDER SOFTWARE...

Page 7: ...7 Fig 4 IOB 4...

Page 8: ...8 Fig 5 19DV Control Panel Abbreviations...

Page 9: ...9 Fig 6 19DV Control Wiring...

Page 10: ...ER COMMUNICATION CCN CONNECTION A C G B REFRIG PUMP POWER CTL POWER ECONOMIZER VENT POWER GUIDE VANE 1 HMI GROUND HMI COMMUNICATION HMI POWER INTERLOCK VFD CONTROL PANEL COMMUNICATION VFD CONTROL PANE...

Page 11: ...he refrigerant to bypass the compressor and go straight from the evaporator to the condenser This control mode can only be used when the chiller is OFF and the external air temperature is low enough t...

Page 12: ...ess a compo nent image to see current status For details see Status Display Screens on page 15 Messages The Set Point screen On Off screen User Login screen and Main Menu screens described in the next...

Page 13: ...Back icon to cancel the stop and return to the previous screen See Fig 14 Fig 14 Confirm Stop User Login Screen Use this screen to login or log off and to set interface language and measurement system...

Page 14: ...e or Factory ac cess level The Configuration menu opens Then press the Gen eral Configuration icon on the Configuration menu Press the arrows at the bottom right corner to navigate through pages See F...

Page 15: ...that component Press the arrows at the bottom right corner to navi gate through the component status displays Figures 23 29 show the component status displays Fig 22 System Overview Home Screen Fig 23...

Page 16: ...pump relays are energized Five seconds later the control monitors the chilled water and condenser water flow devices and waits until the WATER FLOW VERIFY TIME service configured default 5 minutes exp...

Page 17: ...nser Water Temperature or the Refrigerant Lubrication Pressure Difference is at least 12 psi the refrigerant pump remains on the compressor is turned ON The refrigerant pump relay is always ON when th...

Page 18: ...vane 1 and VFD speed for variable speed compressors For 19DV when increased capacity is needed the control will first try to increase IGV TARGET POSITION if it has not reached the travel limit if the...

Page 19: ...eel can perform varies with the gas flow across the impeller and the size of the wheel If Actual Lift is higher than reference lift a capacity inhibit signal will be sent If Actual Lift is higher than...

Page 20: ...orted High compressor discharge temperature override If the COMP DISCHARGE TEMP is greater than the COMP DISCHARGE ALERT threshold then high discharge tem perature override will be displayed in the ma...

Page 21: ...stem Overview Home and GENERAL PARAMETERS screen reads TIMEOUT WATER PUMPS CONTROL FREEZE PREVENTION NOTE In order to energize the chilled and condenser pump to prevent evaporator and condenser tube f...

Page 22: ...ONTROL For chiller cooling tower fan control a 4th optional hydraulic control I O board is required with outputs for Tower Fan Low and Tower Fan High cooling tower fans The cooling tower fans are cont...

Page 23: ...en for the selected option is displayed Figure 34 shows the Evap Pressure Sensor screen PRSCAL01 as an example Fig 34 Evap Pressure Sensor Screen 3 Set Calibration Enable to Enable Calibration for thi...

Page 24: ...il messages to specified service personnel for remote maintenance purposes This function can be set up from the second page of Configu ration Menu E Mail Configuration EMAILCFG Subse quently if there...

Page 25: ...directly from the condenser to the evaporator When the liquid bypass is activated and operational the unit will therefore operate as a sin gle stage system This option increases the operational envel...

Page 26: ...requirements com pared with typical chillers NOTE These options are not intended to be used for comfort cooling applications Power Request If Factory Parameters Power Request Option is enabled when ch...

Page 27: ...have been corrected or reset Table 15 PIC6 Alert Codes ALERT CODE DESCRIPTION OF ALARM TEXT RESET TYPE ACTION TAKEN BY THE CONTROL POSSIBLE CAUSE ALT 100 Prestart Alert Starts Limit Exceeded Automatic...

Page 28: ...leads ALT 132 Sensor Alert Entering Chilled Water Press Automatic when the situation comes back to normal Alert Relay is ON Check Entering Chilled Water pressure sensor voltage drop Check for proper...

Page 29: ...ble in refrigerant charge Check for condenser water box division plate bypass Check CONDENSER PRESSURE transducer and LEAVING CONDENSER WATER sensor wiring to the CCM Check for air in the condenser wa...

Page 30: ...master and slave wiring etc ALT 179 Master Slave Alert Master CCN Write Rejection Manual Master slave work independent Check CCN communication hardware and software ALT 180 Master Slave Alert Slave a...

Page 31: ...matic if the temperature measured by the sensor returns to normal Unit shuts down Alarm relay turns on Check sensor resistance Check for proper wiring between Evap Refrig Liquid Temp Sensor and IOB co...

Page 32: ...itted by the sensor returns to normal Unit shuts down Alarm relay turns on Check sensor resistance Check for proper wiring between Bearing Refrig Supply Temp Sensor and IOB connector Check for disconn...

Page 33: ...ion screen Check guide vane actuator feedback potentiometer and wiring to IOB connector ALM 239 Envelope Control Valve Calibration Not Completed Manual Unit shuts down Alarm relay turns on Envelope co...

Page 34: ...by the High Condenser Pressure Switch ALM 258 Protective Limit Spare Safety Device Manual Unit shuts down Alarm relay turns on Spare safety input has been closed ALM 259 Protective Limit Excessive Com...

Page 35: ...ressure sensor and wirings ALM 271 Protective Limit Emergency Stop Automatic Unit shuts down Alarm relay turns on Check EMSTOP command form network and the remote stop dry contact from IOB ALM 272 Pro...

Page 36: ...09 Loss Communication With VFD Gateway LEN Automatic when communication comes back to normal Unit shuts down Alarm relay turns on Bus installation fault or defective slave board ALM 310 Loss Communica...

Page 37: ...ase to phase and phase to ground distribution bus voltage Check connections to ISM terminal block J3 Consult power company Medium voltage applications only Check voltage potential transformers and VOL...

Page 38: ...e starter has declared a Fault The dry contacts connected to ISM J2 7 and J2 8 are open See starter display for starter Fault Code For Benshaw Inc RediStart starters view RediStart MICRO display For V...

Page 39: ...435 ALM 435 VFD Fault Rectifier Power Fault Manual Unit shuts down Alarm relay turns on Check VFD Status Malfunction within VFD Power Module Call Carrier Service ALM 436 VFD Fault Inverter Power Fault...

Page 40: ...le shooting manual ALM 503 VFD Fault Ctrl Card Over Temperature Manual Unit shuts down Alarm relay turns on Refer to Danfoss VFD trouble shooting manual ALM 504 VFD Fault Control Word Timeout Manual U...

Page 41: ...FD Fault Brake IGBT Fault Manual Unit shuts down Alarm relay turns on Refer to Danfoss VFD trouble shooting manual ALM 528 VFD Fault Option Change Manual Unit shuts down Alarm relay turns on Refer to...

Page 42: ...ecycle in Progress 24 Startup in Progress 25 Swift Restart In Progress 30 Ramp Loading Temperature 31 Ramp Loading Motor Load 32 Ramp Loading Capacity Inhibit 35 Demand Limit by Local Signal 36 Demand...

Page 43: ...lt Replace the RS485 connector Communication problem when connect ing two buses primary bus and sec ondary bus Electrical problem between 0 v CCN of the primary bus and 0 v CCN of the secondary bus Ch...

Page 44: ...mmand window Start Execute type cmd and press Enter then type the com mand ping followed by the unit IP address In the example shown in Fig 51 the PC receives four positive responses replies Fig 51 Pi...

Page 45: ...ars on the icon The connection to the local network must be authorized and in the connected status If this is not the case check the connec tions and authorize repair the network connection JAVAAPPLIC...

Page 46: ...ntenance Others Pressure Sensor Calib BroadcastMenu SurgeCorrection Master Slave ISM or VFD History Maintenance IOB Temp Sensor Calib SystemStatus ControlIdentification FactoryParameters General VFD M...

Page 47: ...tatus All INPUTS 50 Outputs Status All OUTPUTS 51 19DV Outputs Status All DV_OUT 51 Hydraulic Status All HYDRLIC 52 Run Times All RUNTIME 52 Modes All MODES 53 Trending All TRENDING Setpoint User SETP...

Page 48: ...ters LINE PIC6 DESCRIPTION CCN NAME RANGE DEFAULT VALUE UNIT READ WRITE 1 Control Mode 0 Local 1 Network 2 Remote 3 Local Sched ctl_mode 0 to 3 RO 2 Compressor1 Run Status cm_stas1 0 to 16 RO 3 Deter...

Page 49: ...to 245 F RO 15 Common CHWR Temp CHWR_T 40 0 to 245 F RO 16 Heat Recl Entering Temp HR_EWT 40 0 to 245 F RO 17 Heat Recl Leaving Temp HR_LWT 40 0 to 245 F RO 18 Purge Comp Suction Temp PGC_SUCT 40 0 to...

Page 50: ...AFETY OPEN CLOSE RO 9 Starter Fault Feedback STARTFLT OPEN CLOSE RO 10 Fire Security Interlock FS_LOCK OPEN CLOSE RO 11 Guide Vane 1 Actual Pos GV1_ACT RO 12 Guide Vane 2 Actual Pos GV2_ACT RO 13 Actu...

Page 51: ...LOW OFF ON OFF ON RO 15 Free Cooling Mode FC_MODE NO YES RO RO Read Only CCN TABLE NAME OUTPUTS PIC6 PATH Main Menu Outputs Status LINE PIC6 DESCRIPTION CCN NAME RANGE DEFAULT VALUE UNIT READ WRITE 1...

Page 52: ...F RO 17 Chilled Water Flow Input CHWF_IN 4 to 20 mA RO 18 Cond Water Flow Input CDWF_IN 4 to 20 mA RO 19 Chilled Water Pres Drop CHW_PDMA 4 to 20 mA RO 20 Cond Water Pres Drop CDW_PDMA 4 to 20 mA RO 2...

Page 53: ...t dem_act NO YES RO 13 VFD Rampdown vfdrpact NO YES RO 14 Demand Limit Inhibit dem_inh NO YES RO 15 Evaporator Frozen evapfrze NO YES RO 16 Condenser Frozen condfrze NO YES RO 17 Recycle Shutdown Done...

Page 54: ...orced Service LABONLY Factory only Option Service CONF_OPT 57 UM VFD Service CFGUMVFD 58 Modbus Master Service CFGMBMST 58 General Configuration User GEN_CONF 58 Control Identification User CTRL_ID In...

Page 55: ...ion pr_opt DISABLE ENABLE DISABLE RW 14 Cont Power Request cpr_opt DISABLE ENABLE DISABLE RW CCN TABLE NAME SERVICE1 PIC6 PATH Main Menu Configuration Menu Service Parameters LINE PIC6 DESCRIPTION CCN...

Page 56: ...Step Surge hbpstsg 1 0 to 10 0 4 0 RW 21 Surge Profile Offset sgl_pro 0 0 to 5 0 0 0 F RW 22 High Efficiency Mode high_eff DISABLE ENABLE DISABLE RW 23 Surge Al Enable sal_enb DISABLE ENABLE DISABLE...

Page 57: ...5 75 RW 16 Refrigerant Leak Option leak_en DISABLE ENABLE DISABLE RW 17 Refrig Leakage Alarm mA exv_opt 4 to 20 20 RW 18 Gas Torque Factor gt_fact 0 25 to 3 0 1 F RW 19 Guide Vane SRD Factor gv_srd_f...

Page 58: ...sec RW 16 Line Current Imbalance lcim_th 5 to 40 40 RW 17 Line Current Imbal Time lcim_per 1 to 10 10 sec RW 18 Motor Current Imbalance mcim_th 5 to 40 40 RW 19 Motor Current Imbal Time mcim_per 1 to...

Page 59: ...Limit gv2_lim 0 to 100 96 RW 13 IGV2 Minimum Degree gv2_dmin 0 to 20 2 0 RW 14 IGV2 Full Load Open Deg gv2_dfw 10 to 100 90 0 RW 15 IGV2 Actuator Max Deg gv2_dmax 90 to 120 94 0 RW 16 IGV2 Deg IGV1 2...

Page 60: ...RW 17 Server Authentication 0 No Authentication 1 Username Only 2 Username domain name 0 to 2 0 RW RW Read Write CCN TABLE NAME CONF_MS PIC6 PATH Main Menu Configuration Menu Master Slave LINE PIC6 DE...

Page 61: ...No 1 4 to 20 mA 2 Remote Temp 3 Water DT delta tem perature res_sel 0 to 3 0 RW 2 Degrees Reset At 20 mA der_20ma 30 0 to 30 0 10 0 F RW 3 Maximum Deg Temp Reset deg_rset 30 0 to 30 0 10 0 F RW 4 Remo...

Page 62: ...t is possible to set 16 different holiday peri ods For more information about holiday periods see the Time Schedule section on page 22 Figure C below shows the Holi day Menu and a sample submenu Fig C...

Page 63: ...to 2 2 RW 8 Modbus RTU Baudrate 0 9600 1 19200 2 38400 baudrate 0 to 2 0 RW 9 Modbus Litte Endian swap_b No Yes No RW 10 Modbus Real Type real_typ No Yes No RW BACnet Configuration 11 BACnet IP Enable...

Page 64: ...POS 0 to 100 0 RW 8 Guide Vane 2 Tested Pos Q_GV2POS 0 to 100 0 RW 9 Guide Vane 1 Actual Pos Q_GV1ACT RO 10 EC Valve Tested Pos Q_HGBP_T 0 to 100 0 RW 11 Quick Test Alarm Output Q_ALM OFF ON OFF RW 12...

Page 65: ...CV Q_OPRLUB OFF ON OFF RW 9 QCK TST Cond Drain CV Q_PRELUB OFF ON OFF RW 10 Quick Test Purge Comp SV Q_CMPSV OFF ON OFF RW 11 Quick Test Pumpout SV Q_POPSV OFF ON OFF RW 12 QCK TST Drainage SV Q_DROPR...

Page 66: ...ms RO 8 Guide Vane 1 Actual mA GV1_MAF 0 to 20 80 mA RO 9 Guide Vane 1 mA 100 GV1_MAXA 0 to 20 80 mA RO 10 Guide Vane 1 mA 0 GV1_MINA 0 to 20 80 mA RO 11 GV2 Calibration Enable GV2_CAL DISABLE ENABLE...

Page 67: ...e VFD Config Service VFD_MCFG 69 Modbus Master Service MAIN_MM N A Swift Restart Service MAISWRST 70 Master Slave Service MAIN_MS 70 Power Line Parameters Service POWER_I 71 ISM or VFD History Service...

Page 68: ...lta RO 19 Damper Change Delta dmp_dlt 0 to 100 RO 20 EC Valve Target Percent hgbp_tp 0 to 100 RO 21 Capacity Inhibit Flag cap_inh NO YES RO 22 Capacity Decrease Flag cap_dec NO YES RO 23 Condenser Wat...

Page 69: ...YES RO RO Read Only CCN TABLE NAME VFD_MCFG PIC6 PATH Main Menu Maintenance Menu Maintenance VFD Config LINE PIC6 DESCRIPTION CCN NAME RANGE DEFAULT VALUE UNIT READ WRITE 1 VFD Config Conflict vfd_cf...

Page 70: ...1 Lead 2 Lag lead_lag 0 to 2 RO 2 Master Control Type 0 Local 1 Network 2 Remote 3 Local Sched ms_ctrl 0 to 3 RO 3 Slave Control Type 0 Local 1 Network 2 Remote 3 Local Sched sl_ctrl 0 to 3 RO 4 Lead...

Page 71: ...ours KWH kW RO 16 Line Frequency LN_FREQ Hz RO 17 Line Power Factor POW_FACT RO 18 Line Current Imbalance In_imb_i RO 19 Line Voltage Imbalance In_imb_v RO RO Read Only CCN TABLE NAME MAIISMH PIC6 PAT...

Page 72: ...amps3 amp RO 13 Motor Power Factor motor_pf RO 14 Motor Overload motor_ov RO 15 Motor Kilowatt Hours motorkwh RO 16 Motor Kilowatts motor_kw kW RO 17 Rectifier Overload rect_ov RO 18 Inverter Overload...

Page 73: ...rect_pu NO YES NO RO 13 Invert Power Fault inv_pu NO YES NO RO 14 Rectifier Overcurrent rect_oi NO YES NO RO 15 Inverter Overcurrent inv_oi NO YES NO RO 16 Condenser High Pressure prs_trip NO YES NO R...

Page 74: ...NO YES RO 25 Oil Pump Req Startup op_start NO YES RO 26 Oil Pump Req Shutdown op_shut NO YES RO 27 Oil Pump Req Swift Rst op_srst NO YES RO 28 Evap Pump Req Startup ep_start NO YES RO 29 Evap Pump Req...

Page 75: ...ply Volt vol_iob4 V RO 14 IOB4 Num Peak Prev Sec nm_peak4 RO 15 IOB4 Low Voltage Flag low_vol4 NO YES RO 16 IOB4 24VAC Fuse Status fusstat4 CLOSE OPEN RO 17 IOB5 Power Supply Volt vol_iob5 V RO 18 IOB...

Page 76: ...p Pressure Sensor Service PRSCAL01 77 Cond Pressure Sensor Service PRSCAL02 77 Evap Entering Water P Service PRSCAL07 77 Evap Leaving Water P Service PRSCAL08 78 Cond Entering Water P Service PRSCAL09...

Page 77: ...Sensor LINE PIC6 DESCRIPTION CCN NAME RANGE DEFAULT VALUE UNIT READ WRITE 1 Cond Pressure Sensor 2 Calibration Enable cal_en DISABLE ENABLE DISABLE RW 3 Calibration Completed cal_st NO YES NO RO 4 Cal...

Page 78: ...RO 6 Current Pressure cur_pres psig RO 7 Calib Press1 0 PSI cal_p1 9 digit numeric string 0 psig RW 8 Calib Press2 100 250PSI cal_p2 9 digit numeric string 0 psig RW RO Read Only RW Read Write CCN TA...

Page 79: ...s1 0 PSI cal_p1 9 digit numeric string 0 psig RW 8 Calib Press2 10 30PSI cal_p2 9 digit numeric string 0 psig RW RO Read Only RW Read Write CCN TABLE NAME PRSCAL14 PIC6 PATH Main Menu Maintenance Menu...

Page 80: ...s LINE PIC6 DESCRIPTION CCN NAME RANGE DEFAULT VALUE UNIT READ WRITE 1 System Control Mode sys_ctlm RO 2 System Status sys_stat RO 3 Master Run Status mas_stat RO 4 Slave Run Status sla_stat RO 5 Syst...

Page 81: ...Ethernet Configuration 13 Interface eth0 14 MAC address 15 IP address 16 Net mask 17 Gateway IP 18 Set IP RW 19 Set net mask RW 20 Not Applied Not Applied Apply 21 Interface eth1 22 MAC address 23 IP...

Page 82: ...T ACCESS ASSOCIATED TABLE PAGE NO Reset Alarms All ALARMRST 82 Current Alarms All CUR_ALM History Alarms All ALMHIST1 CCN TABLE NAME ALARMRST PIC6 PATH Main Menu Alarm Menu Alarm Reset LINE PIC6 DESCR...

Page 83: ...1000 0010000110 IOB 3 0100 0001010100 IOB 4 1100 0000000110 IOB ADDRESS SW1 20 mA SHUNT SW2 IOB 1 Dip Switch Settings a19 2135 IOB 2 Dip Switch Settings IOB ADDRESS SW1 20 mA SHUNT SW2 IOB 3 Dip Switc...

Page 84: ...icroprocessor operational but not communicating LED flashes 3 seconds on 3 seconds off Microprocessor operational and communicating with con trol system LED flashes at 0 5 Hz rate 1 second on 1 sec on...

Page 85: ...on CONNECT_bac_id AV 140 RO BACnet Identifier CONNECT_bacena BV 63 RO BACnet IP Enable CONNECT_bacunit BV 64 RO BACnet Metric Unit CONNECT_network AV 139 RO BACnet Network FACTORY_chil_typ 19XR6 7 0 1...

Page 86: ...tart Timer MAIN_MS_lagstat AV 120 RO Slave Run Status MAIN_MS_lagstop AV 122 RO Lag Stop Timer MAIN_MS_lead_lag Disable 0 Lead 1 Lag 2 AV 116 RO Unit is Lead or Lag MAIN_MS_ll_comm BV 59 RO Lead Lag C...

Page 87: ...VAP_DCV BV 36 RO Evaporator Drain Valve OUTPUTS_EXV_OUT AV 53 RO Oil EXV Output mA OUTPUTS_FC_VALVE BV 47 RO Free Cooling Valve OUTPUTS_GV1_DEC BV 27 RO Guide Vane 1 Decrease OUTPUTS_GV1_INC BV 28 RO...

Page 88: ..._ecdw_sp AV 143 RW Heating ECDW Setpoint SETPOINT_ecw_sp AV 141 RW Cooling ECW Setpoint SETPOINT_EWT_OPT BV 65 RW EWT Control Option SETPOINT_ice_sp AV 145 RW Ice Build Setpoint SETPOINT_lcdw_sp AV 14...

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Carrier AquaEdge 19DV series, Controls Operation And Troubleshooting

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