CONTENTS

Getting Other Informations and Publications

3

Start Up

 

 

 

Important Installer Note

14

Wall Mount General Information

 

Service Hints

14

Air Conditioner Wall Mount Model Nomenclature

..... 4

High Pressure Switch

14

Shipping Damage

6

Sequence of Operation

14

General

6

Compressor Control Module

14

Duct Work

7

Adjustments

15

Filters

7

Pressure Service Ports

15

Fresh Air Intake

7

 

 

Condensate Drain

7

Troubleshooting

 

 

 

Fan Blade Setting Dimension

16

Installation Instructions

 

Refrigerant Charge

16

Wall Mounting Information

8

Pressure Tables

17

Mounting the Unit

8

Option Field Installed Accessories

17

Wiring – Main Power

12

 

 

Wiring – Low Voltage Wiring

12

 

 

Figures

 

 

Tables

 

 

Figure 1

Unit Dimensions

5

Table 1

Electric Heat Table

4

Figure 2

Blower Damper Assembly

7

Table 2

Electrical Specifications

6

Figure 3

Mounting Instructions

9

Table 3

Thermostat Wire Size

12

Figure 4

Wall Mounting Instructions

10

Table 4

Wall Thermostats

12

Figure 5

Wall Mounting Instructions

10

Table 5

Fan Blade Dimensions

16

Figure 6 Common Wall Mounting

 

 

Table 6

Suction Line Temperatures

16

 

Instructions

11

 

Table 8

Recommended Operating Ranges

16

Figure 7

Low Voltage Wiring

13

Table 7

Indoor Blower Performance

16

Figure 8 Fan Blade Setting Dimensions

16

Table 9

Maximum ESP of Operation

 

 

 

 

 

 

 

 

 

Electric Heat Only

16

 

 

 

Table 10

Pressure Table - Cooling

17

 

 

 

Table 11

Optional Accessories

17

Manual

2100-234I

Page

2 of 17

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Bard WA121 installation instructions Contents

WA121 specifications

The Bard WA121 is a cutting-edge heating and cooling unit that has been designed for residential and light commercial applications. With a focus on energy efficiency and user comfort, the WA121 stands out in the competitive HVAC market. One of its most notable features is its energy efficiency rating, which meets or exceeds the standards set by the Department of Energy. This translates to significant savings on utility bills, ultimately benefiting both the environment and the consumer's wallet.

A key characteristic of the Bard WA121 is its advanced direct expansion system. This feature allows for optimal heat transfer, resulting in quick and effective temperature regulation. The unit is equipped with a high-efficiency scroll compressor that ensures smooth operation and reduced noise levels, making it suitable for installation in residential settings without disrupting daily life.

The versatile design of the WA121 enables it to be used in various applications, from offices and schools to workshops. Its compact structure means that it can be easily integrated into tight spaces while still delivering robust performance. The unit is built to withstand harsh conditions, featuring a durable cabinet that is made from galvanized steel and finished with a weather-resistant powder coating.

Another outstanding feature is the integrated microprocessor control. This technology allows for precise temperature management, ensuring consistent comfort levels throughout the space. Additionally, the WA121 comes with a programmable thermostat option, providing users with the flexibility to optimize energy consumption based on usage patterns.

The Bard WA121 also focuses on user convenience with its easy-to-access maintenance points. The design allows technicians to perform routine service checks and repairs without excessive disassembly, thereby reducing downtime and maintenance costs.

In terms of airflow, the WA121 utilizes a multi-speed fan that can adjust to varying conditions, ensuring that air distribution remains efficient regardless of external temperatures. This adaptability enhances the overall performance of the unit, making it an ideal choice for diverse environments.

Overall, the Bard WA121 is engineered with a blend of efficiency, durability, and user-friendliness that positions it as a reliable solution for heating and cooling needs. With its commitment to performance and innovation, it is a solid investment for those looking to upgrade their HVAC systems.