Airmax MaxAir 70e LV HO - User Manual

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

Summary

Electrical (Maxe Units) Overview

DCC7235 Layout and Connections

Diagram and explanation of the DCC7235 control board layout and wiring.

Start-Up Procedures

Steps to follow for initial system startup and testing.

Troubleshooting

Common problems and their solutions for the unit.

Installation

Air Handler Mounting Procedures

Procedures and precautions for mounting the air handler unit.

Domestic Water Piping Installation

Instructions for connecting the domestic water supply and drain lines.

Cooling Coil and TX Valve Installation

Fan Coil Placement Considerations

Condensing Unit Installation

Freezestat and TX Valve Installation

Proper installation and insulation of the freezestat and TX valve sensing bulb.

Evaporator Coil Assembly Details

Refrigeration Piping Installation

Guidelines for installing refrigeration piping.

System Evacuating and Charging

Procedures for evacuating and charging the refrigeration system.

Electrical (Standard Units)

Motor Speed Setting Adjustments

How to adjust fan motor speeds for different operating modes.

Electrical (Maxe Units) Details

PSC Motor Control Board Overview

Details on the PSC Motor Control Board and its features.

DCC7235 Power Requirements

DCC7235 Control System Inputs

Explanation of how control signals interact with the DCC7235 controller.

DCC7235 DIP Switch Flow Control

Timed 2-Stage Heat Selector

2 Stage Operation Wiring

DCC7235 Typical Hookup

System Start-Up Procedures

Step-by-step guide for starting up the air handler and water heater system.

Standard Unit Sequence of Operation

Maxe Unit Sequence of Operation

Unit Service and Maintenance

System Troubleshooting Guide

Standard Unit Wiring Diagram

Maxe Unit Wiring Diagram

Fan Coil Dimensions & Return Air (Page 33)

Fan Coil Dimensions & Return Air (Page 34)

Fan Coil Dimensions & Return Air (Page 35)

Fan Coil Dimensions & Return Air (Page 36)

Horizontal Airflow Evaporator Coil Sizes

Vertical Airflow Evaporator Coil Data

1-2 Ton Evaporator Coil Sizes

2-2.5 Ton Evaporator Coil Sizes

Airmax MaxAir 70e LV HO Specifications

General

Brand	Airmax
Model	MaxAir 70e LV HO
Category	Air Handlers
Language	English