2
Introduction
NOTE:
Please read and save this instructions for future reference.
Read Carefully before attempting to assemble, install, operate
or maintain the product described. Protect yourself and others
by observing all safety information. Failure to comply with
these instructions will result in voiding of the product warranty
and may result in personal injury and/or property damage
WARNING
Electrical shock hazard. Can cause personal injury or
equipment damage. Service must be performed only by
personnel that are knowledgeable in the operation of the
equipment being controlled.
This Manual for Split Rooftop and Compact DOAS, It
should be read considering that there are structural
differences.
Note:
RTD
: Rooftop DOAS (ARND***DB** Series)
CTD
: Compact DOAS (ARND***DC** Series)
Program Features
The microprocessor controller offers control through
easy monitoring and adjustment of unit parameters by
way of a lighted graphical display and an integral push-
button keypad.
Pre-Programmed Operating Sequences
The controller has been pre-programmed to offer
multiple control sequences to provide tempered air.
Factory default settings allow for easy setup and
commissioning. The sequence parameters are fully
adjustable. Refer to the Sequence of Operation for
details
BMS Communication
The user can remotely adjust set points, view unit status
points and alarms. The microprocessor controller is
capable of communicating over several protocols:
BACnet® IP
Modbus RTU
Reference Points List for a complete list of BMS points
Alarm Management
The microprocessor controller will monitor the unit’s
status for alarm conditions. Upon detecting an alarm, the
controller will record the alarm description, time, date.
Occupancy Modes
The microprocessor controller offers two modes of
determining occupancy: a digital input the BMS. If in the
unoccupied mode, the unit will either be shut down,
continue normal operation utilizing adjustable
unoccupied set points, recirculate with unoccupied set
points or will cycle on to maintain adjustable unoccupied
room temperature and humidity set points (room
temperature and humidity sensor is optional).
Display Panel
The Web UI and Display are two ways to gain access to
the unit controller allowing monitoring of the unit and
parameter adjustment without being at the unit.
The Web UI can be accessed via a building network and
is included with every unit controller. The Display is an
LCD to be panel mounted in a controller section in the
unit.
