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Airmax MaxAir 100 LV - User Manual

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Brochure I0607B Rev. 04-03-19
209 Citation Drive, Units 5 & 6
Concord, ON, Canada, L4K 2Y8
Telephone (905) 264-1414
Fax (905) 264-1147
E-mail: info@airmaxtechnologies.com
Web Site: www.airmaxtechnologies.com
MaxAir 30(e), 50(e), 70(e), 100(e) Low
Velocity (LV) Fan Coil Systems
Combination Heating/Cooling Equipment
Design, Installation and Maintenance
Instructions
AirMax Technologies Mini Ducted
MaxAir(e) fan coil systems
Important: Read and save these instructions.
Install in accordance with CEC and NEC; All wiring shall conform to CEC, NEC, and
local building and electrical codes.
CERTIFIED
FAN COIL UNITS

Table of Contents

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Summary

Introduction

Equipment Selection and Sizing

Selecting the Fan Coil Unit

Guides the user on selecting the correct fan coil model based on heat load and outlet requirements.

Installation

Air Handler Mounting

Provides instructions for mounting the unit in various configurations, including pump shaft orientation.

Domestic Water Piping Installation

Details installing a sediment faucet for drain/purge, isolation valves, and lead-free solder for piping.

Cooling Coil and TX Valve Installation

Explains installation of accessory slab cooling coils, TX valve, and drain pan trap requirements.

DX Refrigerant Cooling Installation

Details unit installation for condensate drainage and proper clearances for service and piping.

Condensing Unit Placement

Guides on locating the outdoor unit, maintaining clearances, and ensuring it is level and supported.

Freezestat and TX Valve Installation

Explains the anti-ice control thermostat, TXV bulb placement, and insulation for proper operation.

Refrigeration Piping Installation

Provides guidelines for installing refrigerant piping, including insulation and traps to prevent liquid migration.

Evacuating and Charging System

Details the process of pressurizing the system, checking for leaks, and evacuating/charging with refrigerant.

Electrical (Standard Units)

Electrical (Maxe Units)

PSC Motor Control Board Overview

Introduces the microcontroller-based electronic volume controller for fan coils.

DCC7235 Layout and Power Input

Details the layout of the DCC7235 board and its power supply requirements.

Control System Inputs (0-10 VDC)

Explains 0-10VDC command input and its representation of PWM output.

Switched 24 VAC Inputs and Specifications

Describes discrete 24VAC inputs, their specifications, and outputs.

DIP-Switches for Flow Volume Control

Details dip-switch settings for selecting discrete or variable PWM output signal levels.

Heating System Selector (Single;Two-Stage)

Describes operation with furnaces and heat pumps for single and two-stage heating.

Wiring for 2 Stage Operation

Provides wiring options for true 2-stage heating/cooling and timed 2-stage heating.

Typical Hookup

Start-Up Procedures

System Purge and Initial Fill

Instructs on purging air from the heating loop and domestic water systems before operation.

Sequence of Operation (Standard Units)

Sequence of Operation (Maxe Units)

Service and Maintenance

Troubleshooting

External Pump Issues

Provides solutions for pumps not running or making noise, often due to air or hard water.

Heating Performance Problems

Addresses insufficient heat, cold water at faucet, and heating during off-cycle issues.

Wiring Diagram (Standard Units)

Wiring Diagram (Maxe Units)

Fan Coil Dimensions and Return Air Size & Location

Sample Piping Schematics

Airmax MaxAir 100 LV Specifications

General IconGeneral
BrandAirmax
ModelMaxAir 100 LV
CategoryAir Handlers
LanguageEnglish

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