Installation and Commissioning Guide
ICUNO-MOD
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Installation and Commissioning Guide ICUNO-MOD
Doc. No. 9590-3013
Ver. 5 200722
ActronAir is constantly seeking ways to improve the design of its products, therefore specifications are subject to change without notice.
Copyright © 2019 Actron Engineering Pty. Ltd.
05.02.01. Operating unit in Advanced BMS Control
The unit can be operated following the steps below
Step
Operation
1.
Set the Supply Fan Speed Demand
(Modbus Analog 203)*
350 = 35.0%
2.
Set the Compressor Capacity Demand
(Modbus Analog 201)*
800 = 80.0%
3.
Set the Heat Request (Modbus Analog 202)
0 – Cool Mode
1 – Heat Mode
4.
For zoned systems, set each zone to Off/On
0 - Off 1 - On
5.
Turn the AC unit OFF/ON (Modbus Analog 1)**
0 – Off 1 - On
* ActronAir software ensures that system operational safety is retained by maintaining minimum
and maximum safe compressor demand and fan speed demand. Consult the Air Conditioner
units installation guide for safe operating limits.
** The AC unit must be turned ON to operate the Supply Fan and Compressor.
NOTE
: Ensure that at least one zone is turned On whenever the system is On.
05.02.02. Return Air Filter Notification
The Return Air filter can be monitored following the steps below
Step
Operation
1.
Set the Indoor Filter Timer to the required time* (Modbus Analog 7).
See installation and commissioning guide for more details.
2.
Read the Indoor Filter Run Hours (Modbus Analog 509) for the number of hours
the indoor fan has run since the last time the filter was cleaned.
3.
The Air Filter Alarm (Modbus Analog 506) will be set when the run hours equal the
filter timer.
4.
To reset the alarm, access the unit and clear the air filter, then reset the Filter
Notification
(Modbus Analog 6)
0 = Off
1 = Reset
5.
Once the Filter Notification has been reset, then the Indoor Filter Run Hours will
reset to 0, and the Air Filter Alarm will clear.
6.
To disable the Air Filter Notification function, set the Indoor Filter Timer to
-1
(Modbus Analog 7)
* Setting the Indoor Filter timer will reset the Indoor Filter run hours and clear and Air Filter Alarm
on the system.
