Data Aire dap4 User Manual

1
dap4
User Manual
Data Aire, Inc.
230 W. BlueRidge Avenue
Orange, CA 92865
www.dataaire.com

Data Aire dap4 Specifications

General

Brand	Data Aire
Model	dap4
Category	Control Systems
Language	English

Summary

Introduction

Control Capabilities

Describes environmental control capabilities including temperature, humidity, and airflow.

Efficiency Features

Details energy-saving features like economizers and humidity anticipation.

Alarm Management System

Explains the extensive alarm management system and logging features.

Optional Equipment & Features

Zone Control Functionality

Feature for teamwork solution for multiple dap4 controls.

Idap Communication Card

Network card for web-based application software.

Rack Sensor Modules

Allows connecting up to 20 rack temperature sensors.

Getting Started

dap4 Controller Components

Describes the controller and display panel connection.

dap4 Color Touch Display Overview

Home Screen Interaction

Explains touch-sensitive areas on the home screen.

Status Loop Details

Rack Temperature Status

Displays status of optional rack sensors.

Zone Status Screen

Displays the status of the zone.

Variable Compressor Status

Displays status of variable compressor operation.

Airside Economizer Status

Displays economizer status.

Alarm Log Screen

Viewing Past Alarms

Accesses and views past alarms with readings.

Turning the Unit On

Service Menus Access

Accessing service menus via the 'Tools' key.

Menus and Access Levels

Menu Navigation

Accessing main menu and password levels.

MENU A – ON / OFF Configuration

Start-up Delay Settings

Sets time delay before unit starts.

Startup Mode Selection

Selects unit's mode upon power application.

MENU B – SETPOINTS Configuration

Temperature Setpoints

Configures temperature setpoints and deadbands.

Latent Setpoints

Configures latent setpoints and deadbands for IRDX models.

Humidity Setpoints

Configures return air humidity setpoints.

CO2 Setpoints

Configures CO2 levels for regulation (gPOD model).

MENU C – CLOCK/SCHEDULER Configuration

Clock Settings

Configures date, time, and zone clock sync.

Week Day Scheduler Setup

Configures timed actions for weekdays.

MENU D – INPUT/OUTPUT Configuration

Digital Input Status

Displays status of digital inputs.

Analog Input Status

Displays status of analog inputs.

Analog Output Status

Displays status of analog outputs.

MENU E – HISTORICAL DATA

Alarm Log Display

Shows historical alarm logs and data.

Run Hours Tracking

Displays accumulated run hours for components.

MENU F – INFORMATION

Information Screen 1

Manufacturer, SW version, Controller ID details.

Unit Identification Details

Model, Serial Number, and Job Number.

MENU G – NETWORK CONFIGURATION (Service Level)

BMS Port Protocol Configuration

Selects communication protocol for BMS card.

BMS Port Address and Baud Rate

Configures BMS port address and communication speed.

MENU H - CALIBRATE SENSORS (Service Level)

Sensor Offset Calibration

Adjusts sensor reading for calibration.

MENU I – MANUAL CONTROL (Service Level)

Return to Auto Timer

Sets timer for outputs to return to automatic mode.

Manual Control Modes

Selects automatic or manual mode for outputs.

MENU J – FACTORY SETTINGS

System Settings Overview

General system configuration options.

Compressor Settings Overview

Configures compressor type and cooling modes.

Reheat Mode Selection

Selects type of reheat used.

Economizer Settings

Configures economizer climate zone and modes.

MENU K – ALARMS & LIMITS (Service Level)

Alarm Settings Overview

Configures buzzer modes and power-up actions.

Flow Alarms Configuration

Sets actions for water and air flow alarms.

Return Air Alarms

Configures firestat, high, and low temp alarms.

Humidity Alarms Configuration

Configures high and low humidity alarms.

MENU L – CONFIGURE I/O (Factory Level)

Digital Input Configuration

Configures digital input action, delay, and status.

Analog Input Configuration

Configures analog input type, range, and offset.

Analog Output Configuration

Configures analog output action and span.

MENU M – SET ZONE CONTROL

Zone Control Parameters

Sets zone ID, units, online status, and schedules.

Zone Air Flow Control

Configures zone airflow setpoints and modulation.

Zone Unit Modes

Assigns modes (Standby, Prior, Off) to zone units.

Operation of Fan

Fan Speed Control Modes

Details different fan speed control methods.

Fan Modulation Safeties

Lists conditions forcing fan to max or min speed.

Operation of Chilled Water Cooling

CW Valve Control Methods

Describes On/Off and 0-10v CW valve operation.

Energy Saver Mode Operation

Explains energy saver mode for chilled water.

Operation of DX Cooling

Compressor Safeties Overview

Details pressure, general, circuit, and timing safeties.

Variable Speed Compressor Envelope Safeties

Explains envelope operation and alarms for variable compressors.

Compressor Operation

Standard On/Off Compressor Staging

Describes staging logic for standard compressors.

Single Variable Speed Compressor Operation

C1 Compressor Control Logic

Explains C1 turn-on and turn-off conditions.

Variable + Fixed Speed Compressor Operation

C1 and C2 Compressor Control Logic

Explains C1 and C2 turn-on/off logic.

Dual Variable Speed Compressors Operation

C1 and C2 Compressor Control Logic

Explains C1 and C2 turn-on/off logic.

Operation of Reheat

Reheat Mode Types

Lists available reheat modes like HGRH and HW Valve.

Reheat Configuration

SCR Reheat Settings

Configures SCR reheat parameters and safeties.

Staging Heating Elements

Describes staging logic for heating elements.

Operation of Dehumidification

Humidity Control Methods

Details relative humidity and dewpoint control.

Dehumidification Safeties

Lists conditions preventing dehumidification.

Dehumidification DX Unit Modes

DX Dehumidification Modes

Explains different DX dehumidification modes.

Reheat Limit for Dehumidification

Limits compressors during reheat in dehumidification.

Variable Compressor Controlling Relative Humidity

RH Control Strategies

Explains control based on return or discharge air RH.

Dewpoint Control Strategy

Explains variable compressor control based on dewpoint.

Operation of Humidifier

Humidifier Control Types

Details modulating and non-modulating control for RH and Dewpoint.

Humidifier Operation Details

Auto-Flush and Desaturation Cycle

Configures pan drain and humidification interruption.

Humidifier Safeties

Lists conditions preventing humidifier operation.

Operation of Zone Control

Zone Control Unit Interaction

How Unit 1 manages other units.

Zone Control Operation Overview

Fan Operation in Zone Control

How Unit 1 controls zone fans.

Zone Control Operation Continued

Temperature Assist and ES Settings

Configures temperature assist and ES before DX.

Standby Delay Settings

Configures delays for standby unit activation/deactivation.

Zone Control Operation Continued

Unit Mode Settings

Sets Standby, Priority, and Off modes for zone units.

Rotation Configuration

Configures scheduled rotation of lead units.

Zone Control Operation Continued

Holiday and Special Day Schedules

Configures zone schedules for holidays and special days.

Operation of Airside Economizer

Economizer Activation Notice

Important notice regarding activation codes.

Economizer Operation

Economizer Modes Explained

Details Fixed Dry Bulb, Fixed Enthalpy, etc.

Damper Modulation Control

Damper Operation Conditions

Conditions for damper modulation based on OA temp/enthalpy.

High OA Temperature Condition

Damper closes if OA temp exceeds Max OA Temp setpoint.

BMS Control of Damper

Damper Position Sensors and Switches

Describes sensors and switches for damper position verification.

Emergency Mode for Damper

Forces damper closed in emergency mode.

Alarms Overview

Sensor Failure Alarms

Details alarms for chilled water and return air sensors.

Power and UPS Alarms

Describes power up and UPS alarms.

Alarms Overview

Smoke Detector and Condensate Alarms

Describes smoke detector and condensate level alarms.

Fire Stat and Maintenance Timer Alarms

Describes fire stat and maintenance timer alarms.

Alarms Overview

Compressor Pressure Alarms

Details low and high pressure alarms for compressors.

Alarms Overview

Compressor Short Cycle and Humidity Alarms

Describes short cycle and humidity alarms.

Alarms Overview

Humidifier and Discharge Temperature Alarms

Details humidifier failure and discharge temp alarms.

Alarms Overview

Return Air Temperature Alarms

Describes low and high return air temperature alarms.

Alarms Overview

Air Flow and Water Flow Alarms

Details airflow and water flow alarms.

Alarms Overview

Humidity and Heat Inhibition Alarms

Describes humidity and heat inhibited alarms.

Alarms Overview

Filter and Humidity Sensor Alarms

Details dirty filter and humidity sensor alarms.

Alarms Overview

Pump, Lockout, and Freeze Stat Alarms

Details pump, lockout, and freeze stat alarms.

Alarms Overview

External Temperature and EVD Alarms

Details external temp and EVD failure alarms.

Phase Loss and High CO2 Alarms

Details phase loss and high CO2 alarms.

Alarms Overview

Low CO2 and VFD Failure Alarms

Details low CO2 and VFD failure alarms.

AE Damper Alarms

Details AE damper open/closed alarms.

Alarms Overview

Damper Position Feedback Alarm

Details damper feedback mismatch alarm.

Wiring Connections

Wiring Diagram Overview

Provides a general overview of wiring connections.

Dap4 Wiring Connections

Digital Outputs Table

Lists digital outputs, pin IDs, and terminals.

Dap4 Wiring Connections

Analog Outputs Table

Lists analog outputs and their connections.

Temperature vs. Resistance Table

Provides NTC sensor resistance data.

Glossary

Glossary Terms

Defines key terms used in the manual.

Contact Information

Data Aire Contact Details

Provides company address, phone, email, and website.