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Airmax MaxAir 50eP2 User Manual

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Brochure I0607B Rev. 19-02-19
209 Citation Drive, Units 5 & 6
Concord, ON, Canada, L4K 2Y8
Telephone
(
905
)
264-1414
Fax
(
905
)
264-1147
E-mail: info
@
airmaxtechnolo
g
ies.com
Web Site: www.airmaxtechnolo
g
ies.com
MaxAir
50e,70e,100eP2&P3Zoned
Mini Ducted 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
LISTED
PLASTIC MATERIAL
Listed in accordance with C AN/ULC-S102.2
Mounted as single units or in pairs, minimum spacing
of 610 mm between units.
Flame Spread 0 Smoke Developed - 70
AirDiffuserAssembly
Flame Spread 0 Smoke Developed - 30
Elbow, Extender, Take-Off, Dust Cap, Click Connector

Table of Contents

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Airmax MaxAir 50eP2 Specifications

General IconGeneral
BrandAirmax
ModelMaxAir 50eP2
CategoryAir Handlers
LanguageEnglish

Summary

INTRODUCTION

BENEFITS

Highlights the advantages of the MaxAir(e)™ Mini Ducted systems, focusing on venting flexibility and quiet operation.

APPLICATIONS

Details the suitable applications for MaxAir(e)™ Mini Ducted systems, including retrofit and new construction projects.

PRODUCT DESCRIPTION

cabinet

Describes the insulated cabinet panels, durable finish, and mounting flexibility of the air handler unit.

heating coils

Details the construction of heating coils, emphasizing copper, lead-free solder, and high-density aluminum fins.

ACCESSORIES

Lists and describes available accessories, including check valves, for the air handler system.

EQUIPMENT SELECTION AND SIZING

selecting the number of diffusers

Guidance on determining the number of diffusers needed based on heat loss/gain calculations for optimal system performance.

diffuser design notes

Provides notes on diffuser placement, velocity effect, and optimal locations for comfort and air mixing.

trunk duct design notes

Offers guidance on trunk duct layout, aiming for self-balancing systems and optimal branch run lengths.

indoor air quality

Discusses key factors for indoor air quality, including filtration, humidity control, and fresh air makeup.

INSTALLATION

air handler mounting

Provides instructions and precautions for mounting the MaxAir(e)™ combo air handler in various configurations.

domestic water piping

Details the installation requirements for domestic water piping, including drain valves and isolation valves.

diffuser location

Gives recommendations for diffuser placement to maximize system benefit and occupant comfort.

evacuating and charging

Explains the process of evacuating the system to 500 microns and charging it with refrigerant.

ELECTRICAL (MAXe UNITS)

DCC7235 LAYOUT

Diagram showing the layout of the DCC7235 microcontroller-based electronic volume controller.

POWER

Specifies the 24VAC power requirements, transformer rating, and voltage/current limits for the control.

CONTROL SYSTEM INPUTS

Details the various control system inputs, including 0-10VDC command and switched 24VAC inputs.

OUTPUTS

Describes the system outputs, including connections to EC motors and high voltage relay outputs.

DIP-SWITCHES: FLOW VOLUME SELECT OPTIONS

Explains how to use DIP switches to select flow volume levels for discrete input states.

START-UP PROCEDURES

General System Checks

Ensures all electrical connections are tight, proper airflow, and no damaged ducts before operation.

UNDERSTANDING THE ZONE CONTROLS

USING THE ZONE CONTROL WITH MULTI-STAGE EQUIPMENT

Explains how zone panels work with multi-stage HVAC equipment for comfort and economy.

2-Zone Panel Indicators

Details the indicators on the 2-zone panel for monitoring dampers and equipment status.

CONFIGURING THE ZONE PANEL

2-Zone Panel Configuration

Provides a table for configuring the 2-zone panel via DIP switches for various HVAC system types.

3-Zone Panel Configuration

Details DIP switch settings for the 3-zone panel, including additional staging features.

SERVICE AND MAINTENANCE

filter

Recommends monthly inspection, cleaning, or replacement of filters to maintain performance.

external pump

Details maintenance for the circulating pump, noting its water-lubricated nature and potential issues.

UNIT TROUBLESHOOTING

insufficient or no heat

Troubleshooting steps for common issues causing insufficient or no heat output from the system.

ZONE SYSTEM TROUBLESHOOTING

Provides guidance for diagnosing and resolving issues within the zone control system.

2 zone panel troubleshooting steps

A step-by-step guide to troubleshoot problems with the 2-zone panel and its connected components.

WIRING DIAGRAM (P2 UNITS)

WIRING DIAGRAM (P3 UNITS)

ZONE SYSTEM APPLIED WITH A HEAT PUMP CONDENSING UNIT

Two Zone

Details the specific wiring modifications required for a two-zone system with a heat pump.

Three Zone

Details the specific wiring modifications required for a three-zone system with a heat pump.

HORIZONTAL AIR FLOW SPACE CONSTRAINED EVAPORATOR COIL SIZES

COIL DIMENSIONS

Provides a table with dimensions and specifications for horizontal air flow evaporator coils.

SAMPLE PIPING SCHEMATICS

1. OPEN LOOP SYSTEM DIAGRAM

Illustrates a typical open loop system diagram for the air handler and domestic hot water storage.

2. CLOSED LOOP SYSTEM DIAGRAM

Illustrates a typical closed loop system diagram for the air handler and domestic hot water storage.

Terms and Conditions of Sale

Warranty Registration

Warranty Parts Request Form

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