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Premium Commercial Controls
ERV
104
SYSTEM MONITORING
12.5.2 Alarms
Individual alarms are mapped to Binary Inputs 500 and above. Two general alarms are available:
u
Serious Alarm: Located at Binary Input 17, “Alarm_Out.val” indicates whether there is a
serious alarm that stops the unit.
u
Any Alarm: Located at Binary Input 72, “Any_Alarm_Out.val” indicates whether there is any
alarm present.
To reset the User Reset type alarms, set Binary Value 12 “AlarmMng.AlrmResByBMS” to true.
The program will set it back to false. You can view the status change through Binary Input 14
“AlarmMng.AlrmRes.”
12.5.3 Temperature and Humidity Around the ERV
The following are available:
u
Analog Input 0 “OA_Temp.Val”
u
Analog Input 1 “OA_Hum.Val”
u
Analog Input 2 “RA_Temp.Val”
u
Analog Input 3 “RA_Hum.Val”
u
Analog Input 4 “EA_Temp.Val”
u
Analog Input 5 “SA_Temp.Val”
EA
OA
RA
SA
CA
UNITSTATUS_BN: MULTISTATE INPUT 7
VALUE
STATUS
MEANING
1
Unit on
The unit is on and running.
2
Unit switched off due to
alarm
The unit is off by a serious alarm.
3
Unit switched off by BMS
The unit is off by command from the BMS.
4
Unit switched off by time
band
The unit is off by the scheduler.
5
Unit switched off by digital
input
The unit is off due to contacts across 17 and 18 open.
6
Unit switched off from the
local keypad
The unit is off by the setting on the menu screen.
8
Exhaust Fan Only Mode
The unit is in single fan mode with exhaust fan
running.
9
Supply Fan Only Mode
The unit is in single fan mode with supply fan running.
11
Cool Locked Out by BMS
A BMS command has the cooling locked out.
12
Heat Locked Out by BMS
A BMS command has the heating locked out.
13
Device Test
The system is in device test mode for more than an
hour.
14
Sens Ovrd Active
The system has a sensor overwritten for more than
24 hours.
15
Off by CO2 Level
Off by CO2 Level.
16
Frost Control On
Frost Control Mode Active.