INSTALLATION MANUAL

MODULAR

NON-VARIABLE SPEED AIR HANDLERS

MODELS: MA

ISO 9001

Certified Quality

Management System

LIST OF SECTIONS

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ELECTRIC HEATER INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . 5 LOW VOLTAGE CONTROL CONNECTIONS . . . . . . . . . . . . . . . . . . 5

REQUIRED CONTROL SET-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 LINE POWER CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 BLOWER SPEED CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . .8 UNIT DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

LIST OF FIGURES

Typical Installation with MC or FC Evaporator Coil . . . . . . . . . . . . . . . 3 Coil and Air Handler Attachment Details . . . . . . . . . . . . . . . . . . . . . . . 3 Dimensions & Duct Connection Dimensions . . . . . . . . . . . . . . . . . . . . 4 Typical Horizontal Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Line Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

460V - Line Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 Blower Speed Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 460V - Blower Speed Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 Cooling Models with Electric Heat Wiring . . . . . . . . . . . . . . . . . . . . . .15 Two-Stage Cooling Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

LIST OF TABLES

Dimensions

. 4

Electrical Data - (For Single Source Power Supply) -

 

Low Voltage Connections

. 6

Copper Wire 1 Ø - 208/230-1-60

11

Fault Codes

. 6

Electrical Data - 3 Ø - 208/230-3-60

11

Low Fan Control Inputs

. 7

Electrical Data - (For Multi-Source Power Supply) -

 

Blower Delays

. 7

Copper Wire 3 Ø - 208/230-3-60

12

Heat Relays

. 7

Electrical Data - (For Single Source Power Supply) -

 

Physical and Electrical Data

. 9

Copper Wire 3 Ø - 208/230-3-60

12

Electrical Data - Cooling Only (60 Hz) - 208/230

. 9

Electrical Data - 460-3-60

12

Electrical Data - Cooling Only (60 Hz) - 460

. 9

Electrical Data - (For Single Source Power Supply) -

 

Conversion Table

. 9

Copper Wire 3 Ø - 460-3-60

12

Electrical Data - 1 Ø - 208/230-1-60

10

Air Flow Data - 60 Hz Models (230 & 460 Volt)

13

Electrical Data - (For Multi-Source Power Supply) -

 

Air Flow Data - 60 Hz Models (208 Volt)

14

Copper Wire 1 Ø - 208/230-1-60

10

 

 

SECTION I: GENERAL

This modular air handler provides the flexibility for installation in any upflow, downflow, or horizontal application. These versatile models may be used for cooling or heat pump operation with or without electric heat.

A BRAND LABEL (available from Distribution) may be applied to the center of the blower access panel.

The unit can be positioned for bottom return air in the upflow position, top return air in the downflow position, and right or left return in the hor- izontal position.

Top and side power wiring and control wiring, accessible screw termi- nals for control wiring and easy to install electric heaters all combine to make the installation easy, and minimize installation cost.

SECTION II: SAFETY

This is a safety alert symbol. When you see this symbol on labels or in manuals, be alert to the potential for personal

injury.

Understand and pay particular attention to the signal words DANGER,

WARNING, or CAUTION.

DANGER indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury.

WARNING indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury.

CAUTION indicates a potentially hazardous situation, which, if not

avoided may result in minor or moderate injury. It is also used to

alert against unsafe practices and hazards involving only property dam- age.

Improper installation may create a condition where the operation of the product could cause personal injury or property damage.

Improper installation, adjustment, alteration, service or mainte- nance can cause injury or property damage. Refer to this manual for assistance or for additional information, consult a qualified con- tractor, installer or service agency.

This product must be installed in strict compliance with the installa- tion instructions and any applicable local, state, and national codes including, but not limited to building, electrical, and mechanical codes.

262675-UIM-A-0806

Page 1
Image 1
York MA installation manual List of Sections, List of Figures, List of Tables, Section I General, Section II Safety

MA specifications

York, Maine, is a picturesque coastal town that embodies the charm and beauty of New England. Nestled along the shores of the Atlantic Ocean, this town is renowned for its stunning beaches, rich history, and vibrant community life. The natural landscape of York is characterized by its rugged coastline, rolling hills, and lush forests, making it a prime destination for outdoor enthusiasts and nature lovers.

One of the main features of York is its beautiful beaches, notably York Beach, Long Sands, and Short Sands. These sandy stretches attract visitors throughout the summer months, offering opportunities for swimming, sunbathing, and beachcombing. The picturesque lighthouse at Cape Neddick, often referred to as “Nubble Light,” is a beloved landmark that epitomizes the coastal aesthetic of the area and is a popular spot for photography.

York is steeped in history, with many historic sites that tell the story of its founding in the early 17th century. The Old York Historical Society offers insight into the town's past, featuring well-preserved structures and exhibits on colonial life. The charm of its historical architecture can also be seen in the area's classic New England homes and iconic buildings, such as the York Village Church.

In terms of technology, York has kept pace with modern advancements while preserving its historical identity. The town embraces sustainable practices, integrating technology in areas such as waste management and renewable energy initiatives. Residents enjoy access to high-speed internet, which has become increasingly vital for both remote work and education.

Community features in York include its bustling downtown area, where local shops, restaurants, and cultural attractions create a vibrant atmosphere. The blend of small businesses and artisanal shops provides a unique shopping experience, while local dining options celebrate the region's seafood bounty and farm-to-table concepts.

York also values education, with a strong emphasis on providing quality schooling for children. The town is known for its dedicated educators and active community involvement in fostering a nurturing environment for learning.

In summary, York, Maine, is a delightful combination of natural beauty, rich history, and modern amenities. The town’s commitment to preserving its character while embracing new technologies ensures that it remains a desirable destination for both residents and visitors alike. Whether enjoying the beaches, exploring historic sites, or relishing the local cuisine, York offers an enriching experience that captures the essence of coastal New England living.