5 • dap4 User Manual
dap
TM
4
The dap4 continues the tradition of advanced electronic devices from Data Aire for monitoring and control of computer
room air conditioning units which began in 1977. Each generation has provided more accurate monitoring information
and flexibility in controlling the unit.
The dap4 offers the definite answer for precision environmental control. The dap4 control system not only controls
and monitors temperature, humidity, airflow and cleanliness, it provides component run times, alarm history and an
automatic self-test of the microprocessor. All messages are sequentially displayed on a backlit LCD (liquid crystal
display). The dap4 can interface with a variety of building management systems (BMS).
STANDARD FEATURES
Stand Alone Panel:
Service terminals or additional devices are not required for programming or monitoring functions
Microprocessor Based:
32 bit, 44 MHz Micro controller. State-of-the-Art technology and reliability in a program-
mable solid-state control module
LED Illuminated Keys
: Six highly reliable keys allow movement through the menus
Backlit Liquid Crystal Display (LCD):
Information is displayed and presented in a format that is easily viewed and
understood
All Settings are Programmable from the Face of the Panel:
Expedient and user friendly
USB Port:
Allows upload of software
Multi-Level Password Access:
Controls any unauthorized changes to settings and system functions
Database of Unit and Room Conditions:
Historical data that facilitates service, apparatus set-up and fine tuning of
setpoints
Rechargeable Battery Backup for Historical Data:
Extensive historical data is preserved by integral battery backup
in case of power failure
Factory Programmed Menus:
Menus that pertain to the type and method of cooling, reheat and humidification
based on the unit’s components and options
Programmed Settings Saved in Flash Memory:
Non-volatile memory stored so all control settings and operational
parameters are secured indefinitely even during a power outage
Factory Calibrated Temperature and Humidity Sensors:
Accurate and consistent regulation especially in multiple
unit applications
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