American Standard TRACER CH532 - Manual (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 27