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Marvair CoolLinks NextGen User Manual

Marvair CoolLinks NextGen
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NG-IOM-ATT Release 1.2 July 12, 2019
NextGen CoolLinks™ HVAC Controller
Installation & Operations Manual
This product manual describes the steps to install and operate the Marvair
®
NextGen CoolLinksHVAC controller. The
information contained in this manual is to be used as a guide only. This manual does not supersede or circumvent any
applicable national or local codes.
If you are installing the controller, scan the entire manual before starting work. The HVAC units should be installed before
the NextGen CoolLinks™ controller. For the installation instructions for the Marvair units, please contact Marvair. The
latest versions of all literature including the manuals can be downloaded from the Marvair customer portal on the Airxcel
website at www.airxcel.com.
Marvair
®
, Division of Airxcel™, Inc.
156 Seedling Dr. Cordle, GA. 31015
(229) 273-3636
Email: marvairtech@airxcel.com Web site: www.marvair.com
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Marvair CoolLinks NextGen Specifications

General IconGeneral
BrandMarvair
ModelCoolLinks NextGen
CategoryController
LanguageEnglish

Summary

Important Safety Information

Confidentiality Notice

This document and its contents are confidential and proprietary to Marvair.

Chapter 1 Materials Required for Installation

Installation Materials

Lists items included in the package and those provided by the installer.

Chapter 2 NextGen CoolLinks™ Overview

Equipment Architecture

Describes the physical setup and components of the NextGen CoolLinks™ system.

Cooling and Heating Control Logic

Details operation of DAC/WAC and HVAC units for cooling and heating based on temperature.

System Interlocks and Standalone Operation

How sensors and generator signals affect operation and unit behavior when offline.

Chapter 3 Mechanical Installation

Control Enclosure Mounting

Guidance on selecting a location and mounting the controller enclosure.

Inside Sensor Installation

Instructions for installing the sensor to monitor shelter conditions.

Chapter 4 Electrical Installation

Electrical Connection Overview

Provides a summary of principal electrical connections for the controller.

Control Power and Wiring

Details the 48VDC power feed, wire gauge, and connection procedures.

Sensor and Detector Wiring

Wiring for temperature/humidity sensors, smoke, hydrogen, and generator signals.

Unit Ethernet Connections

Connecting DAC/WAC and HVAC units via Ethernet and configuring IP addresses.

HVAC Unit Hardwired Interface

Describes the default five-wire thermostat cable connections for HVAC units.

Alarm and Bonding Connections

Wiring for RBS alarms and grounding procedures for the controller enclosure.

Chapter 5 Operator Interface

Basic Interface Functions

LCD display, Wi-fi hotspot setup, and general web page navigation.

System Status and Set Points

Viewing main web page status, sensor data, and adjusting cooling/heating set points.

Unit Control and Configuration

Operating DAC/WAC and DX units, managing blower settings, and system configuration.

Alarms, Events, and Updates

Monitoring active alarms, event logs, and performing system software updates.

Chapter 6 Functional Test Procedures

6.1 Pre-Test Checklist

Ensuring proper installation and conditions before performing functional tests.

6.2 DAC/WAC Unit Testing

Testing the DAC/WAC unit's response to cooling set points and blower speed.

6.3 HVAC Mechanical Cooling Testing

Verifying HVAC unit operation during mechanical cooling mode.

6.4 HVAC Electric Heating Testing

Verifying HVAC unit operation during electric heating mode.

6.5 Smoke Alarm Testing

Simulating and verifying the smoke alarm function and its impact on system operation.

6.6 Generator Running Testing

Testing the system's response to the generator running input signal.

6.7 Hydrogen Alarm Testing

Simulating and verifying the hydrogen alarm function and its system effects.

6.8 HVAC Fail Alarm Testing

Verifying RBS HVAC1 and HVAC2 Fail alarms by simulating unit failures.

6.10 Temperature Alarm Testing

Testing RBS High and Low Temperature alarms by adjusting set points.

6.12 Standalone Operation Testing

Confirming system behavior when controller communication is lost.

Marvair Contact Information