38
* These can be viewed under Run Status→OAU or Operating Modes→OAU on the scrolling marquee or Navigator™ display.
† These can be viewed under the CCN tables OAUDISP or OAU_DIAG with a CCN device.
Table 13 — Status Points — ERV Writes These Points to ComfortLink Controller
CCN POINT*
SCROLLING
MARQUEE POINT†
EXPANDED TEXT RANGE UNITS FUNCTION
OAU_RUN OA.RN OAU System Run State
1=AUTO
2=OFF
3=TEST
High level ERV state
OAU_MODE OA.OP OAU Operating Mode
0=Off
1=ERV (DCV)
2=Free Cooling
3=OA Tempering
4=Defrost
5=Test
6=Ext. Mode 1
7=Ext. Mode 2
8=Ext. Mode 3
ERV’s current operating mode
UPC_VER UPC UPC Software Version 0 to 9999 Active UPC software version
OAU_VER OAU OA Unit Software Version 0 to 9999 Active EXCB software version
ACTOACFM A.OA Actual Outside Air CFM 0 to 32000 CFM Real Time CFM being brought in
ACTEXCFM A.EX Actual Exhaust Air CFM 0 to 32000 CFM Real Time CFM being exhausted
CMDOACFM C.OA Command Outside Air CFM 0 to 32000 CFM Commanded CFM to bring in
CMDEXCFM C.EX Command Exhaust Air CFM 0 to 32000 CFM Commanded CFM to exhaust
OAU_LAT LAT OAU Leaving Air Temp xxx.x °F Air temperature leaving the ERV (RTU intake)
OAU_EXAT EXAT OAU Exhaust Air Temp xxx.x °F Air Temperature leaving the ERV (exhaust)
OAU_BP BP Building Pressure –0.25 to 0.25 in H
2
O Current building pressure
OAUDMPR 2P.DM OAU 2 --- position Damper Close/Open Exhaust damper position status
OAUWHEEL WHL OAU Wheel Speed 0 to100 % Current ERV wheel speed
OAFANSPD OA.FS OAU OA Fan Speed 0 to100 % Current ERV’s intake fan(s) speed
OAUPESPD EX.FS OAU Exhaust Fan Speed 0 to100 % Current ERV’s exhaust fan(s) speed
OAHEATER OA.HT OAU Tempering Heater 0 to 100 % ERV’s SCR heater commanded capacity
OAUALRM1 ALM.1 OAU Motor Failure Alarm Off/On ERV’s motor failure alarm status
OAUALRM2 ALM.2 OAU Dirty Filter Alarm Off/On ERV’s dirty filter alarm status
OAUALRM3 ALM.3 OA Low CFM Alarm Off/On ERV’s low CFM alarm status
OAUALRM4 ALM.4 OAU Alarm Off/On ERV’s General Alarm status
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