Carrier CCU - 15.4 Controller Register and Object Mapping

15.4 - Precision air conditioning controller
Registers accessible to customer
Register No. Description Mnemonic
BACnet
object
Read/Write Format
Unit/
Enumeration
AHU no.1 – AHU_1.mnemonique
3 and 4 Outdoor temperature (P258) OutdoorTemp AV0002 R Float °C
5 and 6 Controlled temperature (P255) TempRegulee AV0001 R Float °C
7 and 8 Controlled humidity (P256) HygroRegulee AV0015 R Float % RH
13 and 14 Outdoor humidity (P265) OutdoorHygro AV0003 R Float % RH
257 and 258 Cooling temperature setpoint (P103) CoolSetpt AV0007 R/W Float °C
259 and 260 Heating temperature setpoint (P106) HeatSetpt AV0004 R/W Float °C
5382 and 5383 Filter differential pressure (P257) PresDifFiltre AV0010 R Float Pa
5384 and 5385 Supply air temperature (P259) TempSouff AV0011 R Float °C
5428 and 5427 Raised floor differential pressure (P266) PresPlancher AV0009 R Float Pa
48 Heating coil percentage (P291) PourBatChaud AV0022 R Word %
49 Cooling coil percentage (P292) PourBatFroid AV0021 R Word %
50 Humidifier percentage (P294) PourHumidif AV0024 R Word %
51 Air flow rate percentage (P295) PourDebitAir AV0020 R Word %
52 Fresh air percentage (P296) PourAirNeuf AV0025 R Word %
53 Electric heater percentage (P297) PourBatElec AV0023 R Word %
261 Humidity setpoint during dehumidification (P109) DeshuSetpt AV0005 R/W Word % RH
262 Humidity setpoint during humidification (P115) HumidSetpt AV0006 R/W Word % RH
4638 Rotation speed percentage (P155) FanSpeedCmd AV0008 R/W Word %
AHU no.2 – AHU_2.mnemonique
3 and 4 Outdoor temperature (P258) OutdoorTemp AV0052 R Float °C
5 and 6 Controlled temperature (P255) TempRegulee AV0050 R Float °C
7 and 8 Controlled humidity (P256) HygroRegulee AV0051 R Float % RH
13 and 14 Outdoor humidity (P265) OutdoorHygro AV0053 R Float % RH
257 and 258 Cooling temperature setpoint (P103) CoolSetpt AV0057 R/W Float °C
259 and 260 Heating temperature setpoint (P106) HeatSetpt AV0054 R/W Float °C
5382 and 5383 Filter differential pressure (P257) PresDifFiltre AV0060 R Float Pa
5384 and 5385 Supply air temperature (P259) TempSouff AV0061 R Float °C
5428 and 5427 Raised floor differential pressure (P266) PresPlancher AV0059 R Float Pa
48 Heating coil percentage (P291) PourBatChaud AV0071 R Word %
49 Cooling coil percentage (P292) PourBatFroid AV0070 R Word %
50 Humidifier percentage (P294) PourHumidif AV0073 R Word %
51 Air flow rate percentage (P295) PourDebitAir AV0069 R Word %
52 Fresh air percentage (P296) PourAirNeuf AV0074 R Word %
53 Electric heater percentage (P297) PourBatElec AV0072 R Word %
261 Humidity setpoint during dehumidification (P109) DeshuSetpt AV0055 R/W Word % RH
262 Humidity setpoint during humidification (P115) HumidSetpt AV0056 R/W Word % RH
4638 Rotation speed percentage (P155) FanSpeedCmd AV0058 R/W Word %
15 - INFORMATION FOR THE INTEGRATOR
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