American Standard TRACER CH532 manual HVACHEAT=1, HVACCOOL=3

Page 27

LonTalk® option

Nv1

0=off

 

 

 

1=on

 

 

nv2 range -12.2°C 48.8°C

 

nv3

0=chiller off

 

 

 

1=chiller on

 

 

nv4 range -40°C 93°C

 

nv7

1=heat mode

 

 

 

3=cooling mode

 

nv8

range 10°C 93°C

 

nv11 range -40°C 118°C

 

nv12 range -40°C 118°C

 

nv13 range -40°C 118°C

 

nv15

manual reset alarm

 

 

auto reset alarm

 

 

informational warning

 

 

circuit 1 fans fault

 

 

circuit 2 fans fault

 

 

compressor A1 fault

 

 

compressor B1 fault

 

 

compressor C1 fault

 

 

compressor A2 fault

 

 

compressor B2 fault

 

 

compressor C2 fault

 

 

pump 1 fault

 

 

 

pump 2 fault

 

 

nv16 chlr_off=0, chlr_run=2

 

 

HVAC_HEAT=1, HVAC_COOL=3

 

 

Chiller state

0=No alarm, 1=In alarm

 

 

Run _enable

0=Chiller not allowed to start,

1=Chiller can start

 

Local 0=Values can be changed remotely,

1=Values cannot be changed remotely

 

Limited (Not used)

 

 

CHW_flow 0=No water flow, 1=Water flow detected

 

CONDW_flow (Not used)

 

 

All other bits unused

 

Configuration properties

 

nc73

ChillerEnable (m)

 

nc52

inSendTime (m)

 

nc4

MaxSendTime (m)

 

nc7

CoolSetpt (m)

 

nc74

Mode (o)

 

 

nc78

HeatSetpt (o)

 

 

nc48

Heartbeat (o)

 

 

(m)= mandatory

(o)= optional

CG-SV01B-E4

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Image 27
Contents Tracer CH532 Chiller controller User guide About this manual General informationContents Tracer CH532 Presentation Tracer CH532 inputs and outputs Hardware architectureDescription Tracer CH532 General descriptionY3 0..10V + Convonoff Inputs and output summary listTracer CH532 Medium NO11, NO13Customer Inputs and output summary list Starting/stopping the unit Menus Accessing the menusStp Local 07.0C Display menu Data displayCustomer settings menu Settings Status output NO10 Operating modeMode Cooling Comp seq Auto Ckt1 Enable Customer Inputs and OutputsChiller control Mode Local Remote Remote ModeClock Setting menu Clock Start Mon Stop Fri Program Hourly zone DisableWeekly program WeeklyUnit configuration menu Configuration Pump Pump protection input Control dead bands Compressors timersHP Control Invert Inverter10V 0..1V 0..20mA Sensors and transducersPress probe 20mA Min Press 0bar Max Press 30.0bar PT100Operating limits cooling Low Amb Cooling Low Amb Limit CW High Limit 15.0C Low ambient temperature limitationCompressor alarm Default parameters? Set the default parametersAlarms Alarms display and ResettingAlarms history Status, warnings and alarm messages MessageUnit status Description No Message History events recordDescription LonTalk optionRed Service LED LED status Meaning/Function LED meaning and functionGreen Status LED LED status Meaning/Function HVACHEAT=1, HVACCOOL=3 Cable characteristics Characteristic impedance ohmsAttenuation dB/1000 feet at 20C maximum CG-SV01B-E4 CG-SV01B-E4 CG-SV01B-E4 Safety recommendations