Airmax MaxAir 70 LV - 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

Introduction to MaxAir Fan Coil Systems

MaxAir(e) Low Velocity Systems Applications

Product Description of MaxAir Fan Coil Units

Fan Specifications

Covers fan types, speeds, and mounting for standard and 'e' units.

Water Heater and Boiler Compatibility

Equipment Selection and Sizing

Selecting the Fan Coil

Guidance on choosing the correct MaxAir™ fan coil model based on load.

Installation Procedures

Air Handler Mounting

Instructions for installing the air handler in various configurations.

Domestic Water Piping

Guidelines for installing domestic water piping and purge valves.

Cooling Coil & TX Valve Installation

Details on installing the cooling coil and TX valve.

Fan Coil Placement

Condensation Management

DX Refrigerant Cooling

Specific installation notes for DX refrigerant cooling.

Freezestat and TX Valve

Proper installation of freezestat and TX valve sensing bulb.

Evaporator Coil Assembly

Evacuating and Charging

Steps for evacuating and charging the refrigeration system.

Electrical - Standard Units

Connection Locations

Changing Motor Speed Settings

Electrical - MAXe Units

DCC7235 Controller Layout

Overview of the DCC7235 microcontroller unit layout and features.

Control System Inputs

Details on 0-10VDC and switched 24VAC input signals.

Outputs

Service and Maintenance

Filter Maintenance

Importance of filter quality and replacement schedule.

Coil Cleaning

Fan and Motor Care

Troubleshooting Common Issues

External Pump Issues

Addresses problems like pump not running or being noisy.

Insufficient or No Heat

Troubleshooting steps for lack of heating.

Heating During Off Cycle

Wiring Diagram - Standard Units

Wiring Diagram - MAXe Units

Fan Coil Dimensions and Return Air

Horizontal Air Flow Evaporator Coil Sizes

Coil Dimensions Table

Sample Piping Schematics

Open Loop System Diagram

Closed Loop System Diagram

DPWH + Airmax + Storage Tank

Airmax MaxAir 70 LV Specifications

General

Brand	Airmax
Model	MaxAir 70 LV
Category	Air Handlers
Language	English