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Oxygen 8 NOVA Series - User Manual

Oxygen 8 NOVA Series
95 pages
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OPERATION &
MAINTENANCE
NOVA SERIES

Table of Contents

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Summary

1.0 General Information

Warnings and Caution

Explains warning and caution symbols and their meanings.

2.0 Configuration Chart

Model Nomenclature and Component Specifications

Describes model nomenclature and details unit components and options.

3.0 Specifications

System Overview and General Specifications

Overviews unit features, certifications, casing, electrical, controls, and options.

3.3 Electrical - DOAS;ERV

Model Electrical Specifications

Table detailing electrical specs for various models (Nom. V., Motor kW, FLA, MCA, MROP D, Rcmd Fuse).

3.4 Fan and Core Performance

ERV Performance Data

Tables showing ERV performance data (Airflow, SRE, LRE, TRE, PD) for different models.

3.5 Air Performance

Fan Data Specifications

Tables detailing fan performance data (CFM, Voltage, FLA, KW, SP "Wg) for various models.

3.5 Air Performance (continued)

Fan Performance Curves (A16, B20, C20)

Graphical representation of fan performance curves for specific models.

3.6 Dimensions

Model Dimension Drawings

Technical drawings showing dimensions for various unit models.

4.0 Configuring Controls

Setting Fan Operating Points and Start-Up Sequence

Explains setting fan speed, air volume control, and the system's start-up sequence.

4.0 Configuring Controls (continued)

Fan Control Modes Overview

Describes different fan control strategies based on pressure, flow, VOC/CO2, and motor speed.

4.2 Fan Control: Constant Pressure

Constant Pressure Control Setup

Details setting pressure transmitter ranges and fan control for constant pressure operation.

4.3 Fan Control: Constant Flow

Constant Flow Control Setup

Explains setting supply and return fan flow setpoints for constant flow operation.

4.6 Fan Control: Constant CO2

CO2 Level Control Configuration

Explains how to maintain constant CO2 levels by controlling air volume.

4.7 Fan Control: Compensation

Temperature-Dependent Ventilation Compensation

Describes how to compensate ventilation based on outdoor temperature.

4.8 Alarm Relay Function

Configuring Digital Outputs for Alarms

Details how to configure digital outputs to follow A-alarms and B-alarms.

4.10 Constant Room

Room Temperature Control Setup

Details how to control room temperature using a room sensor or external setpoint.

4.12 Cooling

Cooling Settings and Operation

Describes cooling function availability, settings, and recovery options.

4.13 Summer Night Cooling (Free Cooling)

Utilizing Free Cooling for Room Cooling

Explains the function of cooling the room using fresh cold air without active cooling.

4.14 Humidification

Humidity Control Configuration

Explains how to humidify supply air using a humidity sensor and controller.

4.15 Dehumidification

Dehumidification Process and Control

Describes the process of lowering room humidity using dehumidification control.

4.17 Summer;Winter Changeover

Automatic Seasonal Operation Switching

Details automatic switching between operating modes based on outside temperature or calendar.

4.18 Locking the Fan Speed

Fan Speed Lock for System Adjustment

Explains how to lock fan speed for VAV installations and system adjustment.

4.19 Communication Protocols

External Communication and BMS Setup

Details setting communication parameters for external connectivity and BMS integration.

4.19 Communication Protocols (continued)

BACnet Communication and Language Settings

Details BACnet setup and language selection for the controller.

4.20 Factory Reset Settings

Managing Factory Settings

Describes how to retrieve, save, and restore factory settings using the hand terminal or SD card.

5.0 Operation

Setting Operating Times and Weekly Programs

Explains how to set operating times and weekly programs for system control.

5.2 Setting Operating Times

Creating New Operating Periods

Describes how to set start and stop times for operating periods in daily or weekly programs.

5.3 Calendar Function (Year Clock Function)

Calendar Program Setup and Basic Operation Modes

Explains how to configure calendar programs and set basic operation modes.

5.3 Calendar Function (Year Clock Function) (continued)

Daily Operating Patterns and Exceptions

Explains how to set standard daily patterns and configure exceptions.

5.3 Calendar Function (Year Clock Function) (continued)

Setting Exceptions

Details how to set up schedules for exceptions to the normal operating pattern.

5.3 Calendar Function (Year Clock Function) (continued)

Calendar Periods and Extended Operation

Explains how to set up calendar periods and manage extended operation modes.

5.4 Temperature Setpoint

Changing Temperature Setpoints

Details how to change temperature setpoints for various control types.

5.5 Time and Date

Setting System Time and Date

Explains how to set the system's time and date, including automatic summer time.

5.6 Alarm and Log

Alarm and Log Management

Details how to manage alarms and logs, including alarm forecast and log viewing.

5.7 Status Display

System Status and Operating Conditions Overview

Provides an overview of the system's current status and operating conditions.

5.8 Email Settings

Configuring Email Notifications for Alarms

Details how to set up email notifications for system alarms.

6.0 Maintenance

Fan Maintenance and Safety

Provides safety warnings and instructions for cleaning the unit's fans.

6.2 DX Coil

DX Coil Operation and Maintenance

Instructions for first-time use, air distribution, and cleaning of DX coils.

6.3 Hydronic Coil

Hydronic Coil Operation and Maintenance

Instructions for first-time use, air distribution, and cleaning of hydronic coils.

6.4 Core

Core Cleaning and Winterizing

Recommends cleaning the exchanger annually and provides instructions for winterizing.

6.5 Filters

Filter Sizing and Specifications

Details filter sizes, dimensions, quantity, and MERV ratings for various models.

6.6 Fuse Replacement

Fuse Specifications

Provides a table of fuse sizes required for different models and voltage configurations.

6.7 Control Unit

Status Display and Override Function

Shows system status and explains the override function for testing unit outputs.

Settings Display

Component Service Parameters

Explains how to access and set service parameters for ventilation components.

Settings Display (continued)

Service Parameters for Cooling and Heat Recovery

Details service parameters for cooling and heat recovery configurations.

Setting Service Parameters for Fans

Inlet and Return;Exhaust Fan Settings

Explains settings for inlet, return, and exhaust fans (delayed start, K-factor).

Setting Service Parameters for Filter Monitoring

Filter Monitoring Setup

Details how to set up filter monitoring using pressure transmitters and alarm limits.

Setting Service Parameters for Filter Monitoring (continued)

Dynamic Filter Monitoring and Calibration

Explains dynamic filter monitoring and zero calibration of pressure transmitters.

Setting Service Parameters for Pre-heater: Water Battery

Water Battery Pre-heater Configuration

Details parameters for water battery pre-heaters, including pump operation and frost protection.

Setting Service Parameters for Pre-heater: Electric Battery

Electric Battery Pre-heater Configuration

Details parameters for electric battery pre-heaters, including after-cooling time and monitoring.

Setting Service Parameters for Heating: Water Battery 1

Water Battery 1 Heating Configuration

Details parameters for water battery 1 heating, including pump operation and frost protection.

Setting Service Parameters for Heating: Electric Battery 1

Electric Battery 1 Heating Configuration

Details control types and minimum flow settings for electric battery 1 heating.

Setting Service Parameters for Heating: Water Battery 2

Water Battery 2 Heating Configuration

Details parameters for water battery 2 heating, including pump operation and frost protection.

Setting Service Parameters for Cooling: Water Cooling

Water Cooling Configuration

Details parameters for water cooling, including pump operation and valve setpoint.

Setting Service Parameters for Cooling;Heating: Multipurpose Battery

Multipurpose Battery Configuration

Details parameters for multipurpose battery cooling/heating, including pump and frost settings.

Setting Service Parameters for Humidifier

Inlet Humidifier Configuration

Details parameters for the inlet humidifier, including setpoint and sensor configuration.

Setting Service Parameters for Heat Recovery: Cross-Flow + Double Cross-Flow Exchanger

Heat Recovery Configuration

Details parameters for heat recovery, including ice protection and efficiency settings.

6.8 Connectors Overview

Terminal Connections Overview

Displays terminal connections for the unit's various modules and sensors.

Fire Alarm

Internal Fire Alarm Monitoring

Explains internal fire alarm monitoring using inlet and exhaust sensors.

6.9 Setting Service Functions

Alarm and Log Management

Details how to manage alarms and logs, including alarm forecast and log viewing.

7.0 Alarm List

Alarm List Details (WEB and HTERM Text)

Lists alarm numbers and their corresponding WEB and HTERM text descriptions.

Oxygen 8 NOVA Series Specifications

General IconGeneral
BrandOxygen 8
ModelNOVA Series
CategoryFan
LanguageEnglish

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