Appendix B - Ccn Tables - Carrier 48AJ Operating And Service Manual

All A series units with ComfortLink™ controls have a port
for interface with the Carrier Comfort Network
system. On TB3 there is a J11 jack which can be used for
temporary connection to the CCN network or to computers
equipped with CCN software like the Service Tool. Also on
TB3 there are screw connections that can be used for more
permanent CCN connections.
TABLE
COOLING
HVAC Mode..............:
Control Mode...........:
Current Running Capacity
Cooling Control Point
Evaporator Discharge Tmp
Mixed Air Temperature
COOL_A
Compressor A1 Relay
Compressor A1 Feedback
Compressor A1 Timeguard
Compressor A2 Relay
Compressor A2 Feedback
Compressor A2 Timeguard
Minimum Load Valve
Cir A Discharge Pressure
Cir A Suction Pressure
Cir A Sat.Condensing Tmp
Cir A Sat.Suction Temp.
COOL_B
Compressor B1 Relay
Compressor B1 Feedback
Compressor B1 Timeguard
Compressor B2 Relay
Compressor B2 Feedback
Compressor B2 Timeguard
Cir B Discharge Pressure
Cir B Suction Pressure
Cir B Sat.Condensing Tmp
Cir B Sat.Suction Temp.
ECONDIAG
Economizer Active ?
Conditions which prevent
economizer being active:
Econ Act. Unavailable?
Remote Econ. Disabled ?
DBC - OAT lockout?
DEW - OA Dewpt. lockout?
DDBC- OAT > RAT lockout?
OAEC- OA Enth Lockout?
DEC - Diff.Enth.Lockout?
EDT Sensor Bad ?
OAT Sensor Bad ?
Economizer forced ?
Supply Fan not on 30s ?
Cool Mode not in effect?
OAQ lockout in effect ?
Econ recovery hold off?
ECONOMZR
Economizer Act.Curr.Pos.
Economizer Act.Cmd.Pos.
Economizer Active ?
Economizer Control Point
Outside Air Temperature
Evaporator Discharge Tmp
Controlling Return Temp
APPENDIX B — CCN TABLES
(CCN)
®
STATUS DISPLAY TABLES
DISPLAY NAME
ascii text strings
ascii text strings
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
In the following tables the structure of the tables which are
used with the Service Tool as well as the names and data that
are included in each table are shown. As a reference the equiv-
alent Scrolling Marquee tables and names are included. There
are several CCN variables that are not displayed through the
Scrolling Marquee and are used for more extensive diagnostics
and system evaluations.
RANGE UNITS
% CAPTOTAL
dF COOLCPNT
dF EDT
dF MAT
CMPA1
CSB_A1
CMPA1_TG
CMPA2
CSB_A2
CMPA2_TG
MLV
PSIG DP_A
PSIG SP_A
dF SCTA
dF SSTA
CMPB1
CSB_B1
CMPB1_TG
CMPB2
CSB_B2
CMPB2_TG
PSIG DP_B
PSIG SP_B
dF SCTB
dF SSTB
ECACTIVE
ECONUNAV
ECONDISA
DBC_STAT
DEW_STAT
DDBCSTAT
OAECSTAT
DEC_STAT
EDT_STAT
OAT_STAT
ECONFORC
SFONSTAT
COOL_OFF
OAQLOCKD
ECONHELD
% ECONOPOS
% ECONOCMD
ECACTIVE
dF ECONCPNT
dF OAT
dF EDT
dF RETURN_T
131
POINT NAME WRITE STATUS
forcible
forcible
forcible